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Country report: uSA
An analysis on how the HVACR sector is driving towards sustainability
September 2017
the
big
Supplement
news
VArsity
ASHRAE to inaugurate first international training centre in Dubai
report: VRF industry steps up its game
emirates Green Building Council to conduct buildingretrofit training programme
Case-in point:
Going beyond G+3 Dharmesh Sawant, LG electronics
While regulations can propel the economy, how do manufacturers view them as protecting their interests? Perspectives
MBBr/IFAS... all things considered
Legionella… averting a diasaster
Christian Börner and René Trübenbach, Mutag
Peter Tracey, Feedwater
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VOL. 12 NO. 9
SEPTEMBER 2017
On the Cover pa g e
08 How are manufacturers coping with the current set of regulations? What do regulators think? 4
September 2017
find inside VOL. 12 NO. 9
SEPTEMBER 2017
PERSPEcTIvES
20
42
Averting a disaster
All things considered
Peter Tracey of Feedwater offers an insight on how to control Legionella
Christian Börner and René Trübenbach of Multi Umwelttechnologie (Mutag) explain the criticalities behind the careful installation of wastewater treatment plants
MultiBrief: UK getting smarter about #'energy storage | #HVAC #airconditiong #refrigerants - http:// bit.ly/2vJMKGZ
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cOUNTRy REPORT SUPPLEMENT
VARsity Looking into the world of variable refrigerant flow systems
25 VRF industry steps up its game Manufacturers speak of being able to offer sophisticated solutions for complex problems
48 Red, white, blue… and green An analysis on how the HVACR sector is driving towards sustainability
September 2017
36
27
case-in point
REGULARS
Going beyond G+3
06
EDITOR'S NOTE
What we intend to in September (Part 3)
Dharmesh Sawant of LG Electronics shares the success story behind the installation of a VRF system in a high-rise building
60 68
Regional News Global News
September 2017
5
EDITOR’S NOTE
What we intend to do in
L
B Surendar Editor @BSurendar_HVACR
COUNTRY REPORT: USA
An analysis on how the HVACR sector is driving towards sustainability
September 2017
the
big
Supplement
news
VARsity
ASHRAE to inaugurate first international training centre in Dubai
report: VRF industry steps up its game
Emirates Green Building Council to conduct buildingretrofit training programme
Case-in point:
Going beyond G+3 Dharmesh Sawant, LG Electronics
Get the next issue of Climate Control Middle East early!
While regulations can propel the economy, how do manufacturers view them as protecting their interests? Perspectives
MBBR/IFAS... all things considered
Legionella… averting a diasaster
Christian Börner and René Trübenbach, Mutag
Peter Tracey, Feedwater
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US$15
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September 2017
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Founder, CPI Media Group Dominic De Sousa (1959-2015)
6
(Part 3)
ast month, I discussed The Consultant Contractor Conference, in midSeptember, in considerable detail, especially the perceived need amongst MEP consultants and MEP contractors for the regulatory bodies to step in to address issues they are facing with regard to the drafting of contracts and payment delays. The conference, specifically on September 18 and 19, is structured in such a way that Day 1 is reserved for the MEP community to elaborate on the issues it faces, many of which, if not resolved, reportedly threaten the very fabric of its existence. The focus of Day 2 is to explore possible solutions, with the motivation being that the vast gathering of consultants, contractors, developers and government officials has a rare opportunity to push for a consensus-based paradigm shift in stakeholder interactions, leading to greater clarity and a more business-enabling environment. Now, given the fact that numerous factors would need to be considered, the shift is not likely to be rapid, but the discussions could at least pave the way for a change in mindset to emphatically and substantially accommodate MEP interests, including regulation specific to drafting of contracts, payment conditions, specification and installation of proper equipment on site and post-handover site visits by consultants. The conference has received a boost following confirmation of participation from regulatory bodies and also developers, which means it opens up a tremendous opportunity for feedback and an understanding of how a specific set of stakeholders thinks and feels about the concerns of the MEP industry. Over the past three months, I have taken the rather unprecedented step of specifically speaking about a conference, as opposed to broader topics of concern in my editorial. The reason for doing so, though, is the unique and compelling nature of the discussions, and the need to urgently seek out solutions for long-outstanding issues. Some of them apparently are impeding the entire HVACR industry from expressing itself in a manner so as to offer the best of solutions relating to energy efficiency, environmental protection, reliability and indoor environmental quality across multiple sectors, including commercial, residential and industrial. To quite state the obvious, the success of a project across its entire lifecycle is not just about equipment but also about specialised human expertise and experience, and their interests need to be fully protected.
Managing Director & Associate Publisher Frédéric paillé | fred@cpi-industry.com Assistant Editor Benwen Lopez | ben@cpi-industry.com
September
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September 2017
7
OVER STORY
Regulations
What feelings do regulations evoke amongst manufacturers? And what is the regulator point of view? Benwen Lopez has the story‌
8
September 2017
September 2017
9
OVER STORY
Regulations
Dr P R Jagannathan
Faisal Rashid
I
n a world of enterprising markets and rapid growth, regulations play a significant role in bringing a balance in the race. There is a host of reasons why governments see a need to press the regulations button; whatever they may be, industry insiders have a mixed reaction towards welcoming regulations. Generally speaking, the industry accepts regulations with a sanguine attitude, with a hope that they will propel businesses and escalate markets to new levels. But despite the optimistic outlook towards regulations, some industry insiders believe that the cavity between drafting and enforcing needs a smooth filling.
IMPACT OF A REGULATORY ENVIRONMENT
Tariq Al Ghussein
Anne Le Guennec
Levent Taşkın
Paul McGarrigle
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September 2017
In the United States in 2008, when the financial crisis razed many institutions to the ground, many blamed a ‘complex regulatory framework’ for the collapse. But can a regulated market propel the economy? Explaining how regulations play a significant role in boosting the economy and market, Dr P R Jagannathan, Manager of Sustainability, Trakhees, says: “Regulations are instruments that support specific policy objectives of the government. As regulations get more progressive, there would be an automatic demand for high-tech products and services that add value to society. “Progressive regulations tend to propel innovation, which in the process encourages research and development. The overall process of research, development, demonstration and deployment gets quicker in a competitive and progressive society, and we are already seeing that happening here [in the UAE]. Concepts and strategies that were considered less likely a contestant here are now being widely practised, thanks to the vision of the UAE Government.” Regulations do not just boost the market, but they also act as a mechanism to protect investors and end-users. Concurring with this view, Faisal Rashid, Director of Demand Side Management, Dubai Supreme Council of Energy, says: “Regulations have a role to play, where there is a failure of natural market forces or a lesser reaction from end-users. Regulations can ensure that the
benefits of District Cooling [for instance] are shared between customers, developers and investors. However, only when these three key stakeholders feel they benefit from regulations, will the market prosper.” Stakeholders like Tariq Al Ghussein, Chairman & CEO, Taqeef, mirrors the Government’s view that regulations augment growth, innovation and open up new market opportunities. He says: “I agree that regulations play a significant role in driving businesses. When the energy saving regulations came into effect, we set up an energy solution division to tap into the retrofit market, and we already have worked on one building in Dubai, where we replaced the chillers with VRF systems and achieved 66% savings, and we also got an independent company to certify this project. Such regulations create new opportunities for businesses, and it is healthy for the country and economy and prevents wastage.” Sharing a similar view, Levent Taşkın, President (Middle East & Africa), Danfoss, says: “For us, the most tangible impact of regulations are on energy efficiency and the change in demands for specific refrigerants. When it comes to global frameworks, we have to comply with specific demands for each country and region that give an international standard for best practices. Although there are challenges for global industries, complying with regulations does optimise our portfolio.” Others, such as those belonging to the food transportation segment, not only believe that regulations push businesses to achieve excellence but also suggest that businesses that cross the excellence mark should be recognised by regulators. Paul McGarrigle, Strategic Account Manager (Middle East & Africa), Thermo King, says: “Leading companies ensure the municipal standards are not only being met, but they strive to surpass regulation to a higher level. Supporting consistently good companies
through recognition could have positive results.” Saying that regulations are important, McGarrigle calls for specific regulatory attention in the area of cross-border food transportation. “While we can point to many good regulation changes with regard to food distribution at the local level, there is still room for improvement in the cross-border haulage segment,” he says. “Tonnes of produce cross into the UAE from throughout the Gulf, every day. Unfortunately, this element is not in focus, perhaps as it's a much greater challenge to align international haulage standards, such as the mandatory ATP certificate requirements currently used in Europe for all International perishable food haulers.”
When they set a major regulation or standard and decide that it needs to be implemented within six months, it can become a panic situation for manufacturers, because they have to make a lot of internal changes While the impact of regulations is known to boost businesses, a question that needs answering is, ‘How have certain segments progressed with regulations?’
TOWARDS BETTER BUILDING PERFORMANCE
With the exponential growth in the construction sector in the GCC region, it was critical for the government to come up with building performance regulations to drive towards greater energy efficiency. Explaining how Dubai has progressed over the last 10 years with the masterstroke
September 2017
11
Regulations Food Chain 2017, Dubai
Green Building Regulations, Dr Jagannathan says: “Since the landmark Green Building Regulations of October 2007 by H.H. Sheikh Mohammed bin Rashid Al Maktoum came into effect, Dubai has progressed a long way in its pursuit of high-performance buildings. It has rolled out several policy instruments, mainly regulatory and control ones, to promote green buildings. This has further been complimented by support and information tools to boost large-scale adoption of sustainable practices.” Speaking on how stakeholders are conforming to the Green Building Regulations, Anne Le Guennec, CEO, Enova, says: “In line with Dubai’s Green Building Regulations, our integrated solutions target two areas: Creating the safest and most comfortable environment for the end-user, while optimising and reducing buildings’ resource consumption. We are also a partner in Majid Al Futtaim’s sustainability journey, being the first to commit to Net Positivity in the region.”
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September 2017
▶ Aerial view of Riyadh downtown, Saudi Arabia
OVER STORY
CHALLENGES
The HVACR industry is one of the most crucial sectors in the GCC region, owing to the high demand that is placed on it, stemming from predominantly highambient conditions. Several regulations govern the industry, and therein lies a challenge. Al Ghussein says: “Ideally, there should be a unified code across the GCC region, but currently the challenge is that each emirate or other GCC countries have set their own standards and testing procedures. Then we have manufacturers struggling to meet the testing and standards, because they have to customise the product for that particular country and then worry about selling it.” Speaking on another aspect of the uneven path of regulations, Taşkın points out to a gap between the regulations and demands. He says: “We have often come across different regulations that cross each other. For example, the demands for new refrigerants do not always match the latest energy-efficiency regulations, and vice versa. This is why we have to stay well-informed of the implications of each regulation, to ensure we are creating the best product for the end-user, while always complying with the rules.” The other challenge, Al Ghussein says, is the period between the drafting and the implementation. “There is a requirement for better clarity and prudence in this area,” he says. “While regulations are welcome, there is also a need for better standards and vision. Because when they set a major regulation or standard and decide that it needs to be implemented within six months, it can become a panic situation for manufacturers, because they have to make a lot of internal changes, which causes a lot of hindrances, especially when innovations are also in the process of being launched.” He further adds that sometimes, discussions hit roadblocks without further action of implementation, thus causing frustrations among manufacturers, owing to uncertainty. Sharing similar concerns, Taşkın says: “One of the biggest issues we face when new regulations are passed, is the time taken for enforcement. When running against internal design cycles, it can be very challenging to ensure that we are working to the correct guidelines and by the deadline.” However, Al Ghussein also believes that there is a level of maturity among regulators, owing to their exposure to
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13
OVER STORY
Regulations
international bodies like Eurovent (Europe’s Industry Association for Indoor Climate (HVAC), Process Cooling, and Food Cold Chain Technologies). Giving a government perspective, Rashid recognises the need for reducing the burden on stakeholders, while addressing the critical factors, owing to the adverse effects on end-users and the market at large. He says, “As with most regulations, regulators need to address the key areas of concern without creating an excessive burden on the market participants, thus preventing escalation of prices for consumers or developing unintended consequences in another area of the market.”
IS THE PARTICIPATION BALANCED?
For a healthy regulatory environment, it is critical to have a balanced involvement of all stakeholders, particularly in the drafting stages of the regulations. And regulatory bodies make an effort to ensure an equitable participation. Explaining how regulatory bodies work with relevant stakeholders, Rashid says: “We connect with relevant stakeholders when it comes to drafting policies. We also conduct workshops, meetings and share questionnaires. A balanced-elastic input is essential for an objective and balanced output.” Further explaining the importance of balanced participation, Dr Jagannathan says: “The need to have a fair participation of the stakeholders cannot be overemphasised. It is important to capitalise on the collective wisdom as well as the experience while establishing policy frameworks and regulatory instruments, as they play a vital role in enforcement.” Dr Jagannathan believes that there is further room for better participation, and it is achievable if the commitment level is high. He says: “I am of the opinion that there is adequate space for strengthening the participation even more. This, however, takes time, as the market becomes more mature, and I am confident that over a period of time, I can expect to see significant voluntary participation that is driven by a sense of involvement, mutual engagement and aspiration for a better future.”
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September 2017
VRF is classified as an air conditioner with a capacity exceeding 70,000 BTU/hour. We are developing a draft of regulations for such air conditioners among the GCC countries, according to voltages, frequencies and the test criteria
Sharing similar views from a manufacturer’s perspective, Taşkın says: “Although government bodies draft regulations, they are heavily influenced by the industrial stakeholders. There are vast differences between the regions, but I believe that the industry can be proactive and make an impact on future regulations proposals.” Adding to Taşkın’s view, McGarrigle says: “We have seen a marked improvement in recent times, where regulatory bodies are taking part in various public-interest forums, in addition to requesting information from industry experts based both locally and from abroad. There are many lessons to be learnt from developed countries that have been at the forefront of “green” regulation change for decades.” Offering a different opinion, Al Ghussein says, “You cannot just copy and paste regulations from other regions, like Europe, without customising it for the GCC region. However, through industrial bodies, like Eurovent, I believe the regulators are getting more exposure, and we, too, can voice our opinion through such associations. We do require more dialogue and more enforcement in projects, and they should give high preferences to high-efficiency products.”
REGULATORY INITIATIVES
As the region witnesses an upward spiral of technology and innovation, the various governments seem to be believing in the importance of developing more regulations for growing sectors, such as District Cooling and VRF, as well as for controlling the dumping of goods in the region. Explaining how District Cooling regulations are driving the sector, Rashid says: “Currently, there are two regulations in effect, and they concern the use of recycled water and the installation of thermal energy storage. Since the regulations came into force, we have observed a significant increase in the demand for cooled water that has been met by recycled water.” He further points out that currently, all new plants with a cooling capacity of over 10,000 tonnes of refrigeration (TR) are installed with thermal energy storage. Considering the strides made by the VRF segment, the GCC Standardization
September 2017
15
OVER STORY
Regulations
Tarek M Al-Sitt
Organization (GSO) has taken up the initiative to draft specific regulations to govern VRF manufacturers. Speaking about the initiative, Tarek M Al-Sitt, Senior Standards Researcher, GSO, says: “As you know, VRF is classified as an air conditioner with a capacity exceeding 70,000 BTU/hour. We are developing a draft of regulations for such air conditioners among the GCC countries, according to voltages, frequencies and the test criteria. Our committee is currently studying the draft.” He adds that feedback from manufacturers is being considered.
ANTI-DUMPING LAW Karim Toumi
However, it's not just about governments being ready to listen, but it is also about how much domain knowledge industry representatives possess and are prepared to offer
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September 2017
In April 2017, the Federal National Council of UAE passed the anti-dumping law to safeguard the interests of the market, industry and consumers from unfair trade practices. This law is aligned with the antidumping agreements prescribed by the World Trade Organization. Highlighting the basis of the law, Karim Toumi, International Trade Law Expert, the UAE Ministry of Economy, says: “The anti-dumping law is formulated based on the agreements between members of the World Trade Organization (WTO) that gives power to the member governments to impose additional duties above the already bound duty.” Citing an example, he says: “Suppose the bound duty is five per cent, the government cannot charge more than this bound duty because of the WTO agreements. However, with the anti-dumping law, the government has the power to charge an additional duty over the already bound duties, if the exporter manufacturer is found to be guilty of this unfair trade practice." Further elaborating on the law, Toumi says: "The main objective of this law is to offer trade remedies for industries against unfair trade practices that affect the markets and take action against the violators. “There are three types of complaints that can be accepted, and they are antidumping, safeguarding and countervailing complaints to initiate an investigation, which is for one year, and will result in imposing of an additional variable duty on the product over the regular duties. This imposed duty can last for five years, 10 years or a lifetime, depending on the type of violation and its density.” However, he adds that even during the investigation period, a company is free to export their goods until the verdict is reached.” Speaking on the challenges of the law, Toumi adds: “The investigation itself is a challenge because of its complexity and
technicalities. We take a thoughtful approach towards the investigation, and we examine every aspect of the complaint to reach an accurate verdict; therefore, it is spread out for one year. We want to ensure fair treatment for every party concerned in the complaint.” Toumi hopes that with this law, violators will be discouraged from committing such acts of dumping imports that hurt the local economy and market. He also hopes that foreign investors will be encouraged with this law to invest in the UAE, because such laws safeguard their business interests and products.
IS IT ONLY ABOUT BUSINESS?
Sometimes, it is not just about driving businesses and safeguarding markets, but governments also look at more pressing issues to press the regulations button. Elaborating on the bigger picture of regulations, Dr Jagannathan says: “Globally, regulations are drafted in such a manner that it reflects the urgent needs of a region. In the case of the UAE, there is an overarching agreement that energy, water, indoor air quality are most important aspects of the regulatory basket that require urgent attention. This is on the back of the commitment of UAE towards emission reductions and climate change mitigation.”
MOVING ON
Both sides of the table have a certain level of expectations from each other to fill the potholes on the road to progress. Governments expect a more qualitative contribution from the industry stakeholders, especially when regulations are being drafted. Elaborating on this need, Dr Jagannathan says: “I would expect stakeholders to be an active part of our journey by supporting our policies and, in turn, providing us with their valued feedback for strengthening them further. Each of them has specific roles to play, which if carried out diligently would help us succeed.” Citing an example of how stakeholders can support government regulators and achieve the desired goals, he adds: “I would expect the engineering community to serve as a strong interface between the regulatory bodies, developers and investors in terms of explaining to them the policies, regulations and their benefits. “The developer would, then, be much more inclined to support the policies rather than being sceptical of the intent.
September 2017
17
OVER STORY
Regulations
Regulatory bodies should serve as an entity that the stakeholders can trust, respect and look forward to supporting.” McGarrigle believes that a clear line of communication between regulators and the industry will help smooth issues out. “Constant communication channels must remain open to regular dialogue, and with our experience, we can offer an in-depth insight to regulators,” he says. However, it's not just about governments being ready to listen, but it is also about how much domain knowledge industry representatives possess and are prepared to offer. Sharing this view, Taşkın says, “Regulatory bodies usually listen to industry perspectives and points of view, if the industry is well prepared and can bring them facts, evidence and materials that prove suggested measures.” Le Guennec believes that regulators must drive stakeholders, especially from the building industry, to set high standards and adopt best practices right from the design stages, which will enable a better utilisation of resources. Taqeef says that for its part, it is taking strategic efforts to foster relationships with the regulators.
Citing an example, Al Ghussein says: “For better understanding and implementation of regulations, we set up our internal regulatory division to collaborate with regulatory bodies like ESMA (Emirates Authority for Standardization and Metrology). This will enable a better interpretation of regulations, as well.” He adds that associations like Eurovent act as channels for communication with regulators. It is a no-brainer! In an uncertain economic climate, with volatile oil prices, regulations can bolster the economy; at the same time, they can pose a few challenges. The challenges, though, can be overcome through a tandem relationship between stakeholders and regulators working together to foster opportunities for long-term investment projects while advocating for healthy financial markets and safeguarding the interests of all stakeholders.
HAVE YOUR SAY! We welcome your views on the article. Write to editor@cpi-industry.com
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ERSPECTIVE
Peter Tracey is Business Development Manager (Gulf Region), Feedwater. He can be contacted at peter.tracey@feedwater.co.uk.
I Averting A disAster Relating from his experience, Peter Tracey broadly outlines the various strategies and measures that can be adopted to control Legionella…
t is worth reminding ourselves of the history of Legionella, or more precisely of Legionnaires Disease, which can sometimes raise its head with disastrous consequences. Legionnaires Disease can be defined as an acute bacterial infection of the lower respiratory tract with accompanying pneumonia. It was first identified in 1976, after an outbreak of a pneumonia-like illness, following an American Legionnaires Convention in Philadelphia, in the United State – hence the name Legionnaires Disease. The cause was identified as a bacterial organism disseminated by the hotel’s cooling tower. The organism was named as Legionella pneumophila, and since those days over 30 sero-groups, or strains, have been identified. Most commonly associated with outbreaks is Legionella pnemophila subgroup one sub type Pontiac. Legionella can also cause a milder form of infection, known as Pontiac Fever, which is self-limiting and exhibits flu-like symptoms. This article is a walk through the over 50 years of experience and an examination of some of the misconceptions about Legionella, which can lead to an outbreak.
GROWTH OF LEGIONELLA
Legionella are found everywhere in Nature but do not pose any danger until a certain set of conditions are met… 1.
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September 2017
Legionella proliferate between 20 and 45 degrees C. It is said that a temperature of 35 degrees provides optimal conditions for growth. The growth is stagnant below 20 degrees C, and the bacteria are killed, when the temperature goes above 45 degrees C. 2. They have to be present in water, which is in the form of an aerosol. The size of the droplets has to be less than five microns. 3. The droplets have to be ingested deep into the lungs. There is no evidence of people developing
Another misconception that is fairly common is that testing water for the presence of Legionella is adequate. This can lead to the mistaken assumption that there is no risk
Legionnaires Disease from drinking contaminated water or by person-toperson contact. The Centre for Disease Control and Prevention (CDC) in the United States, however, has recently reported a possible case of person-toperson infection.
SUSCEPTIBLE GROUPS
There are also susceptible groups that are more likely to contract Legionnaires Disease than others. These include‌ 1.
2. 3. 4. 5.
Older people. It is reported that people over 50 years of age are more susceptible Males are more susceptible than females Smokers Immuno-suppressed people, who are receiving treatment for, say, cancer People with existing respiratory illnesses
CONDITIONS THAT STIMULATE GROWTH
Certain conditions encourage the growth of Legionella‌ 1. A source of metal ions, particularly iron (Fe) 2. Low oxygen, high carbon dioxide 3. The presence of amino acids 4. The presence of other microbes, such as amoeba 5. Periodic stagnant conditions This set of conditions contributes to the misconception that Legionella only pose a danger in cooling towers. In fact, the evidence shows that you are more likely to encounter Legionella in hot and cold water services than in cooling towers. This is probably because cooling towers routinely use biocides to kill Legionella. Legionella can also be found in spa pools, decorative fountains and, in fact, in any water system, where bacteria can proliferate and an aerosol can be generated.
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ERSPECTIVE
Another misconception that is fairly common is that testing water for the presence of Legionella is adequate. This can lead to the mistaken assumption that there is no risk. Testing is a valuable part of the management process but, in itself, is not adequate.
GUIDELINES AND LEGISLATION
The growth in rate of reported cases of Legionellosis (Legionnaires Disease and Pontiac Fever) over the years has prompted ever tightening legislation and updated guidelines from professional bodies, leading to a massive wealth of knowledge on the subject. ASHRAE, Building Services Research and Information Association (BSRIA), Cooling Technology Institute (CTI) all publish excellent guidelines for the control of Legionella. The CTI Guideline is specific to cooling towers. The Health and Safety Executive (UK) publishes L8 Approved Code of Practice, along with HSG 274, depending on whether the application is evaporative cooling towers or not. Eurovent issues guidelines regarding evaporative cooling systems. Some manufacturers, including those in the cooling tower business, also issue their own guidelines, but these are often linked to the aforementioned or similar documents. The most important guidelines are, however, from the authority in which you are working. The Emirates of Dubai and Abu Dhabi have their own guidelines, which should be consulted. All of these take a tried-and-tested, common sense approach to Legionella control. These all say, in essence, that for control, you need to‌ 1. 2. 3. 4.
Due to its ability to penetrate biofilms and its environmental profile, chlorine dioxide is fast becoming the disinfectant of choice in hot and cold water systems
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Identify and assess the risk Work out a management programme that manages the risk Review, monitor and inspect Keep adequate records
These guidelines are dynamic in the sense that maintenance and review are at the heart of the process. In fact, there is much evidence to suggest that there has never been a Legionnaires Disease outbreak associated with a well-maintained system.
SOME METHODS FOR BACTERIAL CONTROL
An important part of the control process is that of bacterial control. Bacteria cannot be eliminated entirely, as systems are regularly re-infected. A measured approach to controlling bacteria is necessary.
HOT AND COLD WATER SERVICES Obviously, in hot and cold water services, extra care must be taken to prevent harm to users compared with more industrial/ commercial applications.
TEMPERATURE In cases where calorifiers are used, raising the temperature temporarily to above 60 degrees will kill Legionella. Care must be taken not to affect end-users, as water at this temperature will scald.
technology. This has shown effectiveness at controlling Legionella, though.
ULTRA-VIOLET (UV) Ultra-violet light will kill Legionella but must be used close to the point of application, as UV does not impart a residue to the water.
EVAPORATIVE COOLING SYSTEMS There are more options to use in control of Legionella in the case of evaporative cooling systems.
OXIDISING BIOCIDES Chlorine and chlorine dioxide are the most commonly used chemicals in hot and cold water services. Due to its ability to penetrate biofilms and its environmental profile, chlorine dioxide is fast becoming the disinfectant of choice in hot and cold water systems.
OXIDISING BIOCIDES In addition to chlorine and chlorine dioxide, bromine can be used to give effective control of Legionella. Bromine, like chlorine dioxide, is less pH affected than chlorine.
NON-OXIDISING BIOCIDES SILVER AND COPPER IONS Less commonly used is silver and copper ions
THPS. These biocides work at different kill doses and depend on residence time in the cooling tower.
Effective biocides against legionella include isothiazalone, glutaraldehyde, DBNPA and
Some commercial bodies pay close attention to Legionella compliance. These include travel companies, who have a duty of care to their travellers. As international travel is now commonplace, the control of legionella itself becomes more international. Public Health England reports that in 2015 of the 388 cases reported in England and Wales, 46% involved travel outside the United Kingdom. Other interesting statistics were that 75% were male and 80% were over 50 years of age. These grim figures confirm earlier findings regarding susceptible groups.
CPI Industry accepts no liability for the views or opinions expressed in this column, or for the consequences of any actions taken on the basis of the information provided here.
September 2017
23
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EXHIBITION & CONVENTION EXPERT
September 2017
VARsity Looking into the world of variable refrigerant flow systems
September 2017
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Looking into the world of variable refrigerant flow systems
Technology offers solutions for more complex problems, say most manufacturers, and consultants, by and large, agree By Hannah Jo Uy | Features Writer
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Kandasamy Anbalangan
Tariq Al Ghussein
Syed Jafar Imam
Scott Coombes
Fady Nassar
V
RF technology has stepped out of the shadows of other cooling approaches to secure its position as a strong contender in the region. The positive trajectory that the technology enjoys is confirmed by consultants, such as Kandasamy Anbalangan, Managing Partner, Proleed Engineering Consultants. Based on his experience of working with VRF technology for the past decade, he says it is now widely accepted. “I started doing VRF 10 years back,” Anbalangan says, “where we could not have more than two outdoor units because of space. Then, subsequently, we have introduced VRFs in schools as an addition to existing school [cooling systems]. And now, VRF has been accepted as an alternative to DX and also chillers.” Tariq Al Ghussein, CEO, Taqeef, highlights the solid position VRF has carved for itself in the industry. VRF, he says, is the natural evolution of the split unit. The introduction of inverter technology with variable-speed compressor, he says, has made existing systems more efficient. The multi-split feature of VRF technology, he adds, allows users to save in capacity and assign particular loads to indoor units, as required, making it more sophisticated with more controls and “proving it is a smarter and more effective split unit”. “The technology of VRF,” he says, “competes with chillers, not against split units, because it is [essentially] a split unit, but there are certain applications where VRF is a much better solution.” Al Ghussein says that VRF systems are poised to have some of the market share of split units and some of the market share of chillers, though eventually its impact will most probably be most felt by the latter. “This is because it’s new,” he says. “It’s the fastest-growing sector in air conditioning at the moment, worldwide. When it gets saturated and people are using VRF where they’re best [used], then it will reach a more normal rate of growth.” Syed Jafar Imam, Regional Director, AHI Carrier, echoes this, adding that the UAE has been a frontrunner in terms of specifying VRF technology for specific projects. “If you look at any major development in the past two years,” he says, “all those projects are designed with VRF.” He goes on to say that clients have become more aware about what they want and there has been stronger cooperation among consultants.
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Looking into the world of variable refrigerant flow systems
Hassan Younes
Jean Van Loggerenberg
Nabil Shahin
Dharmesh Sawant
Dick Shi
Despite the great strides VRF technology has made with regard to gaining stronger acceptance in the industry, many people believe there is still a lot of room for growth in the GCC region. This is demonstrated by a study that Scott Coombes, Director, AESG, shared with fellow panellists during the 5th Annual Middle East Variable Refrigerant Flow Conference. “We did a study for RSB, last year,” Coombes says, "and when we look at GFA basis, when we look at 120,000 buildings, VRF is [at] four per cent and air-cooled chillers [is at] 40%. The uptake of VRFs is still slow. When you talk of sustainability point of view, it is very projectspecific, and we see VRF systems bridging the gap between a packaged or ducted split and a chiller, but that’s really down to the building size. And in Masdar, with different sustainability aspirations and price, most logical [solution] was VRF for them. And savings were a lot higher.” Fady Nassar, Director of Unitary Business, SKM, presents a more conservative perspective of the VRF market, saying that the forecast of its penetration in the UAE is less than they expected, especially compared to countries such as Iran and Turkey, where, he says, VRF enjoys a penetration of between 60 and 75%. Echoing Coombes, Nassar says that VRF – if specifically looked at from the GCC region context – still has not developed the way manufacturers are expecting. Pointing out that the technology is predominantly from the East – Japan, South Korea and, recently, China, Nassar says that several manufacturers have proved that they have good manufacturing, but it’s not the UAE that’s scoring the highest in VRF. “I was surprised to find out that District Cooling will be number one, water cooling, then DX, and then last is VRF,” he says. “So, in my experience, consultants are still reluctant in areas like UAE, Qatar, Kuwait and Bahrain. Saudi is picking up but, still, it’s not the winning bet.”
SO, WHAT’S THE HOLD UP?
The lower penetration of VRF technology in the countries that make up the GCC region, compared to other countries, is encouraging manufacturers to look at potential areas of improvement. A number of consultants have shared their concerns with regard to using VRF technology in their projects, which represent bottlenecks towards its greater adoption. Hassan Younes, Technical Director, Griffin Consultants, touches on an old issue that consultants often have with VRF technology,
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which is with regard to leakage, saying that compared to chillers, since VRF systems run inside the room, in the event of a leakage the situation could be harmful to people living inside the space. He says that though calibrations could be made, this isn’t often done by consultants or contractors. Shedding light on a different issue, Juanito H Ingal, Mechanical Engineer, KN International Abu Dhabi, says that KN’s primary interest in learning about VRF technology lies in knowing which products have features that his firm can adopt during the design stage. He also places heavy emphasis on the importance of tailoring design needs. “The supplier decides, depending on the conditions in the Middle East, he says. “You have to adopt it even in the stage of the design development. In each company, it all boils down to the design development, that’s where the new technology comes in, and that’s where they adopt the standards they prefer.”
Even if you went on the Internet, you see chiller vs VRF technology. Many are very pro-chillers, but facts speak for themselves
Ingal also says that the cost of the product is also a concern. He says that from his experience working in Abu Dhabi, since VRF technology has not been explicitly approved or introduced by authorities it is difficult to adapt a technology if it has to go through a registration process. He adds that, often, the problem is also that the designer takes the risk, and it’s no longer the responsibility of the developer. Jean Van Loggerenberg, Mechanical Engineer Director, CKR, echoes the issue of the price being a disadvantage, adding that another matter of concern is that “the level of expertise you need in
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Looking into the world of variable refrigerant flow systems
terms of the technicians -- is slightly more complicated”. Versatility is the main concern that Ross Mclean, Senior Associate Director, Rider Levett Bucknall, points to, when asked his views on the VRF technology, saying that the main challenge is with regard to the capacity and efficiency of VRF technology for high-rise projects.
HEEDING THE CALL
Manufacturers, however, are becoming more aware of both old and new issues, often making a case that while disadvantages continue to be highlighted, advantages are undeniable. As a result, they are being proactive with developing and sharing solutions that will unleash the potential of their respective products, employing the latest technological advancements and smart systems as well as establishing training and support infrastructure to overcome technical challenges and negative perception. “Some GCC customers are somewhat nervous about this relatively new HVAC product category,” Nabil Shahin, Director of Product Marketing, Daikin, admits. “It is mostly due to the lack of familiarity with VRF. Some tend to believe that it is rigged with electronics and complicated, but at the same time, they understand or hear about VRF’s benefits regarding energy saving, installation and comfort, so customers tend to go with trusted manufacturers to ease their fear.” Al Ghussein echoes Shahin when he says: “People are afraid of new technology, and they are not aware of new technology. Even if you went on the Internet, you see chiller vs VRF technology. Many are very pro-chillers, but facts speak for themselves.” Companies that have established training programmes are now reaping the benefits, as greater awareness among relevant stakeholders seems to be driving a more cohesive ecosystem and knowledge exchange. Dharmesh Sawant, Senior Manager, LG Electronics, says that recently there has been a lot of interest among FM companies to train their personnel, which he notes, is a vital element in the successful deployment of a VRF system. “One
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of the major developers,” he recalls, “who is prominent in VRF use, sent their FM personnel for training and for evaluation of their skills on VRFs. At the same time, I request all developers to make it mandatory for their FM guys to get certification.” “I think VRF is part of the future,” adds Al Ghussein. “We have invested a lot of money [in it], and we have our own training centre. We are training our own people and any contractor or consultant that want to know [about the system]. We invest in our capability in service, in installation, in commissioning, and we will personally test and commission for free, even if we’re not installing it. We also want to teach people how to use [the system] smartly and efficiently, because a lot of features are not being used.” Shahin also emphasises the technological advancements of VRF technology, saying that VRV [as Daikin calls it] systems are getting more and more integrated with smart home controls. As an example, he shares that Daikin offers a new central control tablet to accommodate not only the VRV AC function but also other devices, such as lighting. “Commissioning is no longer done with dip switches; it is done from the comfort of the technicians’ laptops,” he says. “VRF has detailed diagnostic feedback features that help the service and repairman pinpoint the problems, quickly reducing guesswork and downtime.”
Imam also touches on the importance of such features, stressing that the proper use of the smart applications and systems is necessary for the product’s successful commissioning. This, he adds, alleviates certain issues and addresses the issue of leakage, through both prevention and cure. “In VRF, there is always a piping software,” he says. “Manufacturers make it available, and it suggests thickness of the pipe and size, based on the distance of the indoor to the roof. In VRF, you can’t use cheap-quality pipes, so there are bare minimum requirements – you have to [use] good quality pipes. This is prevention.” The second issue, he notes, is installation and the importance of proper brazing. “If the guy is not doing brazing, the machine will show leakage and gas pressure,” he says. [The machine] won’t allow you to commission. After this, the chance of leaking is not possible, because you use goodquality pipes, as recommended in [the] system and piping.”
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Al Ghussein adds to the robust argument presented by Imam with regard to leakage no longer being an issue of concern. “There’s never been an incident in Japan with a gas leak,” he remarks. “When you install a system and pressure-test it, it doesn’t leak, it’s sealed. The system is huge. [For example] one outdoor unit is connected to three rooms; if that leaks, it’s harmless. Unless, let’s say, you decided to do a building in one loop, that’s 100 air conditioners and all the gas of the 100 air conditioners go to that one room and the room is closed. However, now there are restrictions, you cannot have more than a certain number of units in one loop. It [leakage] doesn’t happen. There are no incidents such as these. It’s not dangerous; if it was, such governments like in Japan, would put regulations, but they haven’t. There are only limitations that you cannot connect so many in a row.” Dick Shi, Regional Director, Middle East and Africa (MEA), Qingdao Hisense Hitachi Air-conditioning Marketing, addresses the issue of leakage by reiterating his company’s commitment to training. “Leakage,” he says, “is because of the installation. We have strict installation procedure and standards. We pressure-test the tightness to make sure there is no leakage, 600 psi for 24 hours. We have met a lot of installers that only pressure-
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Looking into the world of variable refrigerant flow systems
test under 500 or 450 psi, but our standard is 600 psi. We vacuum the gas, we charge the refrigerant, the working period is over two hours to make sure there is no leakage in the pipe.” In addition, Shi notes that the company has a stringent system across its chain of distributors and stakeholders to ensure all inspections and systems are carried out properly and as per its standards.
While manufacturers operating in the Middle East are eagerly capitalising on the latest technologies and developing campaigns to help educate the market, the East, however, has long accepted VRF technology as a normal part of everyday life. Shi stresses that in China, VRF has transformed into a B2C system, instead of just a B2B system. “The China market for VRF is 40% of the world in value; if you add Japan and Korea, it’s 63%,” says Shi, quoting from a BSRIA study. Shi’s colleague, Zhang Wenquiang, Senior Vice President of Qingdao Hisense Hitachi Airconditioning Systems, points to how VRF has gained in acceptability as a solution for highrise towers in China. He says, “In China and Japan, a lot of successful projects in high-rise buildings use VRF, [such as] government buildings, school, hotels, hospital and offices.” He says that this is owing to the company’s proactive efforts at the time of introducing the product to the market. “We spent a lot of time educating and in communication with consultants and institutes, to tell them we can use this in high-rise buildings,” he says. “It takes time, but it can be worthy.” Shi adds that the growth of construction activity in China has also played a role in this development. “In the last 15 years, China [has] changed a lot,” he says. “There are more cities, more buildings. The Chinese economy relies on real estate a lot. China is the biggest construction site in the world.” This, says Shi, has driven demand for air conditioning and VRF technology. Shi draws a parallel between China and the UAE, gleaning from his observation of massive projects underway and construction activity across the country. “The UAE is the biggest market in the Middle East for VRF,” he remarks, “and it’s growing; compared with Saudi and Iran, the market share of VRF is bigger.” That said, speaking specifically about the ‘Made in China’ tag, Shi says that negative perception about Chinese brands, however, is a problem, when overseas. “For our brand, the bottleneck is the branding as well as prejudice and concerns of Chinese products,”
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▶ Huangpu River. Shanghai city skyline, China
TAKING A CUE FROM THE EAST
VRF, as such, requires more of a united engineering approach than product approach to convince the consultant or you will end up as BMS, which has been around for long but has been misused
Shi says. “The consultant and contractor [have yet] to accept our brand, because it is more famous in China. In other regions, it takes more time to convince them that Chinese brands are as good as Japanese, Korean or US brands.” Al Ghussein also comments on this issue. “We learn a lot from both our partners, Fujitsu General and Midea, who spends a billion on R&D,” he says. “People are still hesitant, and there is a lot of apprehension. People still think they don’t want Chinese products. However, they are the manufacturers of the world; now they are rebuilding their own brands. I’ve seen how they’ve changed – their products are as good as any.”
FORESHADOWING: CAN VRF’S SUCCESS IN CHINA BE REPLICATED IN THE MIDDLE EAST?
With a number of Chinese brands proactively entering the local market, does their move to penetrate the UAE signal the country’s potential to embrace VRF technology with the same vigour as in China? And will the GCC region soon be welcoming the system
with the same level of enthusiasm across its high-rise projects? The answer may lie in mindful application and in challenging the status quo. Providing evidence on the importance of collaboration across the design process, Shi says that in China, using VRF for projects up to 300 metres poses no problem, as people can simply put in another mechanical floor for the outdoor units. “This is planned during the design stage,” he says. “If you need to put VRF, we start from architectural drawings. The architects [in China] are already familiar with VRF systems, so in the initial design they consider location.” Abdelraheem Sallam, Manager of Engineering Services, Real Estate Operations, Dubai Properties, provides an end-user perspective as he stresses on the issue of design processes across the country. All new project designs coming in for review, he says, contain many mistakes, and most of the consultants are copying from one another. A project, he says, is not tailored according
to the needs; [there is] no creativity, no one has the courage to take the risk and do something new. Most copy and paste from one another to be safe. Coombes also touches on the issue of the “copy-paste approach to design”, saying that it is still prevalent in the region and that some regulation is needed to help in this regard. “If support [is given to] consultants on implementation,” he says, “then VRF can get better traction. If healthier budgets are allocated to design, then VRF could score. Lifecycle-wise also, VRF can be beneficial.” Al Ghussein further makes a case for VRF in this regard. “There used to be lack of regulation,” he says. “Traditionally, you can buy products that were really inefficient. Also, engineers are used to chillers, which they can install with their eyes blindfolded. Now, there are certain densely packed scenarios, big open spaces like Dubai Mall, where, yes, I would put a District Cooling plant there. District Cooling can be efficient, but if it’s not run or managed well, it’s quite
expensive. Also, what about pumping cost and the effect of water – that’s becoming cost prohibitive.” Al Ghussein adds that with the cost of electricity bills coming in higher, more and more people are becoming more conscious of electricity consumption. “In some situations, I would recommend VRF,” he says. “In others, I would recommend the use of split unit. Where VRF has not yet taken off is in high-rises, [but] in 10-20 metres, it is the perfect solution – it saves cost and installation [time].”
ON ADAPTING GLOBAL STANDARDS
There has been a lot of discussion on the establishment of regulation and standards in relation to VRF technology. Dr P R Jagannathan, Manager, Sustainability, Trakhees, says that there is no regulation specific to VRF and that the main focus is on how the technology achieves energy efficiency, which he says, is decided by the stakeholders.
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Zhang Wenquiang
Dr P R Jagannathan
Federico Muñoz Sánchez
Carlos Amaya
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▶ Traditional and modern architecture in Abu Dhabi
Looking into the world of variable refrigerant flow systems
The issue of efficiency, however, also leads to a discussion on certification of products, and ensuring their conformity with particular testing standards. In that context, it is interesting to listen to Federico Muñoz Sánchez, Technical Commercial Director of CEIS, which is set to launch the largest European laboratory for the testing of air-to-air equipment, including VRF technology, at Móstoles in Madrid, Spain. “CEIS, as a test laboratory,” he says, “will effectively carry out the evaluation of VRF technologies based on the SEER approach. The SEER approach is, indeed, much more representative of the overall behaviour of a VRF than single standard EER rating.” He says that the laboratory will also be calibrating its tests to address the needs of the Middle East region. “CEIS carries out tests in accordance with the European standard EN 14511-3 and takes into account the partial-load conditions laid down in the European standard EN 14825, which allows the calculation or verification of the performance of the equipment under seasonal conditions,” he says. “However, the new test facility is designed to reach outdoor temperatures of up to 55 degrees C, so that specific weather conditions for the Middle East region can be reached.” He says that since the number of VRF manufacturers are not so high, CEIS, which works closely with Europe-based HVACR association, Eurovent, will be able to utilise its facilities in Spain to address the needs of leading manufacturers in Japan, South Korea and those in the Middle East region. Sánchez says that there is no need to adopt new standards for the Middle East, as those that exist globally would be of use to the region: “We consider [it] fundamental that regardless of the test method used, authorities such as ESMA or SASO, who consider implementing MEPS for VRF equipment, use reference schemes based on those used in other regions of the world. In this sense, we understand that European schemes can be a perfect basis for the development of local schemes.” Carlos Amaya, Senior Specialist, Conformity Scheme Services – Product Conformity, Abu Dhabi Quality and Conformity Circle (QCC), is an advocate of the SEER approach to testing VRF systems. “I agree with the European approach, and [it] would be much
better,” he says. “As QCC, we can facilitate a working group with ESMA and Eurovent to come up with a roadmap to come up with a seasonal approach.” Manufacturers and distributors have affirmed their strong belief in the importance of such developments. “Taqeef is keen on working with these bodies,” says Al Ghussein. “We are a member of Eurovent, and we work with QCC to offer any advice we can.” Al Ghussein speaks of how all the positive talk relating to regulation bodes well for the company’s recent initiative of offering retrofit solutions. “Retrofit [projects] offer a lot of opportunity for VRF.” He speaks of one case study, where the company installed VRF system in a 25-year-old building and requested an independent company accredited by Dubai government to audit the electricity consumption and determine the energy saving. He is optimistic about the possibilities this offers to the retrofit market and confirms the company’s move to further explore this path. This, he says, only further reinforces the importance of third-party standards and tests. “You need to have independent studies,” he stresses, “because there are a lot of doubters.”
BRIDGING THE GAP: A STEP IN THE RIGHT DIRECTION
It would seem that VRF technology has all the right tools to succeed and secure greater penetration. The answers to the problems exist, and as more complex issues emerge, more sophisticated solutions are being set in motion, say industry insiders. The issue now, it would seem, is in developing stronger communication channels that will educate relevant stakeholders of the existing solutions. Overall, a mood of general optimism prevails with regard to VRF technology, and consultants, such as Younes, among others, commend manufacturers for their efforts in making VRF technology more efficient and reliable, noting that there have been many developments in this regard. “I see the VRF market kind of booming,” he says. “A lot of people talking about it, it might have challenges. In some cases, projects might fail in terms of energy if they don’t hit the energy targets they expected. But it’s not one-size-fits-all. In some projects, where VRF wasn’t the best solution, it will show when it’s not working properly, which may lead to clients and consultants being dissatisfied, and it might backfire, and they might think VRF is not a good technology. But, I still think it’s here to stay. It’s adapting to the market, and I see many people using it.” Jagannathan says that the technology has done all it can to prove itself, and that it is now up to the relevant stakeholders to ensure that VRF technology continues to move in the right direction. “VRF, as such, requires more of a united engineering approach than product approach to convince the consultant,” he says, “or you will end up as BMS, which has been around for long but has been misused.” He issues a careful reminder to manufacturers to remain vigilant, saying, “The onus to prove this system works as good as, if not more than, other systems, lies with you with engineering solutions and installation practices.”
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ASE-IN POINT
Dharmesh Sawant is Senior Manager – HVAC Engineering 1 Team at LG Electronics MEA. He can be contacted at dharmesh.sawant@lge.com.
Going beyond G+3 The deployment of VRF system in a G+35 high-rise in the UAE busts the myth that the technology is suitable only for villas and low-rise buildings in the GCC region, writes Dharmesh Sawant
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Looking into the world of variable refrigerant flow systems
M
any a times, I come across the statement that VRF technology is only suitable for villas and lowrise buildings. On further probing, I realised that the market is driven by this perception, because it is common practice to locate the condensing units on the roof to hide the so-called ugly-looking units and not to disturb the beautiful glass façade, typical of so many buildings in the GCC region. Therefore, the common understanding is that it is not feasible to use VRF technology in high-rise towers (G+30 and above) for the following reasons…
The next issue was to make sure that there was no heat-island effect, as there were four outdoor units in each utility room, and we wanted to put to rest any doubt of short circuiting of the hot air from one floor to another
a) The increase in cost in running the insulated refrigerant pipe from individual floors to the roof b) The increase in cost in running the power cable from each apartment to the roof c) The increase in the capacity to counter the piping deration d) Reduced space on the roof for the condensing unit, as the roof is narrow for high-rise towers, making it difficult to accommodate all the services. Owing to the above reasons, the client usually turns to a chiller system and, by doing so, relinquishes the opportunity of benefitting from the following features inherent in a VRF system… a) Lower total CAPEX (15-20% lower than a chiller system) b) Direct individual billing between the utility and the tenant – in the case of buildings with a chiller system, many owners are finding their electricity bill increasing year on year with the increase in electricity tariff and slabwise tariff. c) Ease in retrofitting – a chiller retrofit needs a heavy crane for lifting the unit to the roof d) Lower connected electrical load (25~30%)
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ASE-IN POINT
Looking into the world of variable refrigerant flow systems
With all the above-facts placed in front of you, now what if there is a way out by which we can utilise the above benefits by eliminating the limitations of the VRF system for high-rise buildings. Bingo! My colleagues and I precisely did that in a project we were awarded recently. The project in question was a G+35 residential building in Wadi Al Safa. The consultant team comprised Archgroup Consultant and Consistent Engineering Consultant (CEC). The contractor was International Electromechanical. This project was initially designed to accommodate a chiller system. The building owner had his concerns relating to the operating cost, though. Typically, buildings with a chiller system are connected to the owner’s DB (Distribution Board). This means the tenant doesn’t have to pay for the electrical consumption of air conditioning; it is understood to be included in the rent. This leads to over consumption of the air conditioning system. The rent depends on the market forces, and might increase or decrease, but the electricity consumption keeps on increasing year after year due to ageing of the equipment and to the increase in the electricity tariff, as a chiller system always falls in the highest slab of 38 fils/ KWh. At the same time, the owner wanted to reduce the project’s capital expenditure. The obvious solution was to go for a VRF system, but the increase in the piping and cabling cost and the deration due to piping loses increased the overall cost of the project. Also, the compact roof space made it difficult to accommodate all the condensing units. The owner gave flexibility to the architect for amending the design to meet the intent. The Architect, MEP Engineering Consultant, and LG went back to the drawing board to find out space on each floor for accommodating the condensing unit. The architect came up with the idea of utilising a dead space on each floor to accommodate the outdoor units. For proper heat exchange, they covered it with Mashrabiya (an architectural feature that emerged in Egypt, it is a type of projecting window, enclosed with delicately carved wood latticework). The next issue was to make sure that there was no heat-island effect, as there were four outdoor units in each utility room, and we wanted to put to rest any doubt of short circuiting of the hot air from one floor to another. LG conducted the CFD analysis through 3D-modelling and concluded that a flat louvre with a maximum angle of 20 degrees will not cause any tripping or overheating of the condenser unit. The result of the CFD analysis is as follows…
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September 2017
Looking into the world of variable refrigerant flow systems
September 2017
39
ASE-IN POINT
▶ Figure 1: Typical floor plan showing the utility area on each floor
3D modelling Unit:Multi V VI, Multi S Analysis cases:With air guide Louvre spec:flat type, below 20 degrees, distance above 160mm
10ºF
Top View
1ºF
Front View *This CFD analysis is the result without considering certain environment condition, thus there can be a difference with the actual operation.
▶ Figure 2: 3D modelling for CFD analysis
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September 2017
Looking into the world of variable refrigerant flow systems
RESULTS 8dcY^i^dc/ 6bW^Zci iZbe ^h )+§8 HdbZ Y^hX]Vg\ZY [adlh \d dji d[ i]Z Wj^aY^c\
Erratum The cover story (The Full Potential of ‘Smart’ Remains Elusive) in the July 2017 issue of the magazine had the following text attributed to Dr P R Jagannathan of Trakhees, "…because expert studies have shown that a DDC fully optimises the BMS by lowering utility costs, maintaining measured comfort and increasing productivity of building occupants." *This CFD analysis is the result without considering certain environment condition, thus there can be a difference with the actual operation.
▶ Figure 3: The result of the CFD analysis
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Dr Jagannathan, in fact, said the following:
"If an approach is taken to push BMS, irrespective of the needs of the client, it would be a disaster. The system would be a failure if the team fails to capitalise on the advanced computing techniques of DDC towards energy optimisation, such as scheduling, trending, peak load shelving, etc. BMS can only assist in energy savings and optimisations, if conceived properly. It cannot be an energy saving strategy by itself." The inaccuracy in reporting is regretted. –Editor
CPI Industry accepts no liability for the views or opinions expressed in this column, or for the consequences of any actions taken on the basis of the information provided here.
September 2017
41
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Christian Börner VcY René Trübenbach VgZ l^i] Bjai^ JblZaiiZX]cdad\^Z BjiV\ # I]Zn bVn WZ XdciVXiZY Vi c.boerner@mutag.de VcY r.truebenbach@mutag.de.
ALL THINGS CONSIDERED The size of the MBBR/IFAS tanks and the related carrier media filling rate are determined based on the pollutant loads and in consideration of specific product factors of the carrier media. These and other factors need to be considered in arriving at a correct application profile of MBBR and IFAS technologies in biological water treatment, say Christian Börner and René Trübenbach
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September 2017
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WHAT IS THE REASON?
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NOW HIRING! SALES DIRECTOR Job Description: Â&#x2122; BVcV\^c\ i]Z dkZgVaa YVn id YVn HVaZh 9ZeVgibZci VcY hVaZh iVg\Zi [dg J6: Â&#x2122; GZedgi^c\ id bVcV\ZbZci l^i] eZg^dY^X gZedgih/ LZZ`an VcY Bdci]an HVaZh GZedgi! FjVgiZgan HVaZh GZedgi ^cXajY^c\ [dgZXVhi Â&#x2122; GZhedch^WaZ [dg hVaZh VcY bVg`Zi^c\ VXi^k^i^Zh ^c J6: VcY ZchjgZ i]Z VX]^ZkZbZci d[ 8djcign hVaZh iVg\Zi
Skills & Qualification: =K68! 6eea^ZY! higViZ\n! IZVb bVcV\ZbZci ! E A BVcV\ZbZci ! ¹7gVcY^c\ BVg`Zi^c\ higViZ\nº Â&#x2122; BZX]Vc^XVa :c\^cZZg$ B76 l^i] Vi aZVhi - id &% nZVgh d[ ZmeZg^ZcXZ ^c V h^b^aVg gdaZ l^i] ZmiZch^kZ `cdlaZY\Z ^c i]Z =K68 hZXidg! XdchigjXi^dc! Wj^aY^c\ hZgk^XZ egd_ZXi bVcV\ZbZci dg h^b^aVg ^cYjhign l^i] gZ\VgY id hVaZh X]VccZah VcY Y^hig^Wji^dc Â&#x2122; Higdc\ hVaZh bVg`Zi^c\ WVX`\gdjcY VcY hdjcY jcYZghiVcY^c\ d[ iZX]c^XVa egdYjXih bV^can Veea^ZY ^h Xg^i^XVa Â&#x2122; HjWhiVci^Va E A VXXdjciVW^a^in! ZmeZgi^hZ ^c Wjh^cZhh YZkZadebZci! Xa^Zci gZaVi^dch]^e! egdYjXi" VcY bVg`Zi YZkZadebZci Â&#x2122; EgdYjXi `cdlaZY\Z d[ [^gZ"gViZY YjXildg`! ;^gZ"gViZY YVbeZgh! 6Xdjhi^Xh VXXZhhdg^Zh! AdjkZgh ^h V bjhi#
SALES MANAGER Job Description: Â&#x2122; Egdk^YZ VccjVa egd_ZXiZY hVaZh iVg\Zih VcY egZhZci V gdVYbVe eaVc id VX]^ZkZ ^i Â&#x2122; BZZi l^i] XdchjaiVcih VcY jcYZgiV`Z eaVcc^c\ VcY egdXZhhZh id \Zi i]Z XdbeVcn a^hiZY Vh V egZ"VeegdkZY kZcYdg l^i] B:E XdchjaiVcih Â&#x2122; HZi hVaZh iZVb \dVah VcY iVg\Zih Â&#x2122; 8dcig^WjiZ id ^cXgZVhZ bVg`Zi h]VgZ ^c J6: Â&#x2122; :c\V\Z l^i] `Zn XjhidbZgh VcY ldg` id\Zi]Zg l^i] HVaZh eZghdccZa id ZchjgZ id hjXXZhh d[ hVaZh aZVY Â&#x2122; >YZci^[n VcY [daadl"je cZl Wjh^cZhh deedgijc^i^Zh
Skills & Qualification: Â&#x2122; BZX]Vc^XVa :c\^cZZg$ B76 l^i] Vi aZVhi ( id + nZVgh d[ ZmeZg^ZcXZ ^c V h^b^aVg gdaZ l^i] ZmiZch^kZ `cdlaZY\Z ^c i]Z =K68 hZXidg! XdchigjXi^dc! Wj^aY^c\ hZgk^XZ egd_ZXi bVcV\ZbZci dg h^b^aVg ^cYjhign l^i] gZ\VgY id hVaZh X]VccZah VcY Y^hig^Wji^dc Â&#x2122; Higdc\ hVaZh bVg`Zi^c\ WVX`\gdjcY VcY hdjcY jcYZghiVcY^c\ d[ iZX]c^XVa egdYjXih bV^can Veea^ZY ^h Xg^i^XVa Â&#x2122; HjWhiVci^Va E A VXXdjciVW^a^in! ZmeZgi^hZ ^c Wjh^cZhh YZkZadebZci! Xa^Zci gZaVi^dch]^e! egdYjXi" VcY bVg`Zi YZkZadebZci Â&#x2122; EgdYjXi `cdlaZY\Z d[ [^gZ"gViZY YjXildg`! ;^gZ"gViZY YVbeZgh! 6Xdjhi^Xh VXXZhhdg^Zh! AdjkZgh ^h V bjhi#
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www.careersbay.com or email alissa@careersbay.com 43
September 2017
ERSPECTIVE
WHY IS THE WATER TEMPERATURE RELEVANT?
WHICH FACTORS ARE IMPORTANT?
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September 2017
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WHY DOES THE YIELD MATTER?
In order to minimise the risks of an inaccurate plant dimensioning, the removal performance of porous carriers used in the specific type of wastewater to be treated has to be proven on binding basis
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WHAT IS THE REASON FOR DETERMINING REMOVAL RATES?
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FOUNDED TO LEAD
Allied has grown into one of the leading Engineering and Project Management firms in the Middle East, boasting offices in 3 major Countries in the Middle East (Egypt, United Arab Emirates, Kingdom of Saudi Arabia). Allied offers full range of Engineering and Project Management services provided by nearly 140 dedicated professionals distributed among Egypt, UAE and KSA. The company is a multidisciplinary consulting firm and has a track record and specialization in Buildings, Industrial Works and District Cooling and Power Generation Plants.
September 2017
45
ERSPECTIVE
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โ ถ Chip (14 mm) after R&D from 2008
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โ ถ MultiFlow 50 from 2002
โ ถ BioChip blue (25 mm) from 2017
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CPI Industry accepts no liability for the views or opinions expressed in this column, or for the consequences of any actions taken on the basis of the information provided here.
#Empower connects its district cooling solutions to 75 buildings Year to Date 2017 . Read more:
Energy News @renewable_eqpts
SUMMARY
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September 2017
47
COUNTRY REPORT
48
September 2017
USA
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THE ROLE OF REGULATION
US brands seem to be on a relentless drive in pursuit of sustainability
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49
COUNTRY REPORT
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▶ Chicago Downtown Skyscrapers
Holley Chant
USA
Jim Rutz
Chris Opie
Hamid A. Syed
PREVAILING TRENDS DRIVEN BY INSIGHT AND ANTICIPATION
Julian Iosifescu
William P Bahnfleth
50
September 2017
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A particular concern today is the security and stability of power supplies, with hardening against cyber-attacks being high on the list
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September 2017
51
COUNTRY REPORT
USA
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Wal-Mart, the spokesperson says, is working to improve efficiency in current systems and to transition to new systems using refrigerant gases with lower overall environmental impacts. The chain has outlined a three-fold approach towards addressing the issue
Dan Mizesko
Thomas Morrison
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▶ The statue of Liberty
THE PRICE OF EFFICIENCY
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COMPETITIVE ADVANTAGE
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September 2017
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▶ New York City skyline
COUNTRY REPORT
SUSTAINABILITY FOR THE PEOPLE, BY THE PEOPLE
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Similarly, operating and maintaining plants in the GCC region has allowed the company to develop operational strategies for energy savings that it has brought back to the United States
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THE WAL-MART, FACEBOOK EXAMPLES
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DCServe has played a major part in supporting the District Cooling industry throughout the Gulf region. We have hand-picked our partner manufacturers, offering products, namely: Heat Exchangers from Sondex (Denmark), Hydronic Balancing and Control Solutions from IMI Hydronic Engineering (Sweden), Cooling Towers from Kelvion (The Netherlands), Sand Separators from Lakos (U.S.A), Self-Cleaning System and Disc Filtration System from STF Filtros (Spain) and Ice Thermal Energy Storage from CRYOGEL (France). Armed with expertise in design, installation and maintenance and backed up by complete range of products, DCServe is the ultimate partner.
September 2017
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56
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▶ Aerial view of Boston in Massachusetts, USA
COUNTRY REPORT
BRANCHING OUT: HOW END-USERS AND HVACR MANUFACTURERS IN THE UNITED STATES ARE BRINGING THEIR PRACTICES TO THE MIDDLE EAST
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Rick Fedrizzi
Giorgio Elia
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▶ View of the city of Chicago
COUNTRY REPORT
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INSPIRATION, NOT COMPLACENCY
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September 2017
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NEWS REGIONAL
DSI bags aED 175 million Dubai project Project will feature 252 apartments, says DSI official 7n CCME Content Team
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Mohammad Atatreh
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aSHraE announces inaugural training course in Dubai Participants will receive real-world examples of HVAC systems, says Society President 7n CCME Content Team
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ASHRAE to inaugurate first international training centre in Dubai Focus of the centre is to make curricula-based, region-specific training conveniently available on a regular schedule, says Society President By CCME Content Team
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Looking forward to harnessing ENGIE’s best-in-class operational and project financing excellence, says Tabreed CEO By CCME Content Team
he National Central Cooling Company (Tabreed), has announced that France-based ENGIE is now officially its shareholder after successfully acquiring 40% of shares, the company said through a Press communiqué. Speaking on the development, Jasim Thabet, CEO of Tabreed, said: “With the successful completion of the transaction by ENGIE, we as a regional company are advancing to international frontiers. We look forward to harnessing ENGIE’s best-in-class operational and project financing excellence, which will build on our financial strength and leading market position to support us in the next phase of our ambitious growth plans. “With the region’s growing cooling demand driven by population growth and investment in key infrastructure and development projects, our focus remains on the GCC, while we will evaluate opportunities outside the region.”
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SHRAE will inaugurate its first international training centre in Dubai on September 19, 2017, the society said in a Press Bjarne W. Olesen communiqué. The Global Training Center will serve ASHRAE members and other building systems professionals in the GCC region, and surrounding areas. Speaking on the development, Bjarne W. Olesen, President of ASHRAE, said: “The ASHRAE Global Training Center in Dubai is a tangible step toward our goal of extending our global community to embrace our industry’s shared needs and objectives effectively. “By creating this training centre, our members in the Middle East will be more empowered to continue producing and sharing technical guidance worldwide, while being better equipped to serve the needs of their local communities.” Elaborating on the centre’s objectives, Olesen said: “The focus of the centre is to make curricula-based, region-specific training conveniently available on a regular schedule. The training programmes that will be offered at the centre will be customised and scalable based on climate, culture, suppliers, energy sources, prices, codes and construction practices. The instructors are engineers who are familiar with the intricacies of the Middle East.” Walid Chakroun, Chair of ASHRAE’s Publishing and Education Council, added: “Market demand for ASHRAE education and training has been well established here in the Middle East. The ASHRAE Global Training Center will bring the Society’s most respected and well-known workforce development tools and resources to an area where demand is high due to robust economic activity and demanding climatic conditions.”
Tabreed announces successful completion of ENGIE investment
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September 2017
61
NEWS REGIONAL
Artificial intelligence and IAQ
Fortment claims it has developed a device to detect toxins in the air; vision is to solve air-quality problems using technological approaches, including artificial intelligence, says CEO & Founder of the US-based company By Benwen Lopez | Assistant Editor
nspired by people who suffer from different diseases caused by poor air quality, Ali Payani, CEO & Founder of Fortment, a US-based start-up, has developed a device that, he says, can measure the quality of air and detect the harmful toxins present in it, using artificial intelligence on a real-time basis. Payani is a former resident of the UAE. Speaking about the invention, Payani said: “For over a year, our team has conducted extensive research and development to understand the most harmful gases that affect respiratory patients. I believe that detection is not enough but analysing is important.” Highlighting the key features of the device, Payani added: “The device can detect the most harmful gases, such as NO2 and NH3, present in indoor and outdoor air on a real-time basis. The detection is done through artificial intelligence for smart analysis. With accurate and proper algorithms, we can prevent air pollution from worsening by collecting as much data for better measures and prediction.
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Ali Payani
“Using this data, users can effectively manage their health and avoid going to polluted areas. For asthma patients, we have developed an advanced feature, Asthma+, that uses the artificial intelligence algorithm to let them control and manage their situations, when they are on the move.” Payani further added that his vision is to solve airquality problems using technological approaches such as detecting, monitoring prediction and, possibly, even a “cleaning process in the future”.
Emirates Green Building Council to conduct building-retrofit training programme Certification course, which aims to offer viable retrofit methods, is in partnership with the Dubai Supreme Council of Energy and Masdar By CCME Content Team
mirates Green Building Council (EGBC) has announced the launch of a building-retrofit training programme, developed in partnership with the Dubai Supreme Council of Energy and Masdar. The programme targets existing buildings in the UAE and aims to provide building stakeholders with “viable building retrofit methods”. EGBC said the programme aims to support the objectives of UAE Vision 2021 and Abu Dhabi Vision 2030 for sustainable urban development, as well as Dubai Integrated Energy Strategy 2030 (DIES) for energy efficiency in Dubai and DSCE’s Demand Side Management (DSM) Strategy to reduce energy demand in Dubai.
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The training programme will have a Level 1 Beginners Course and a Level 2 Advanced Course. Level one, the organisation said, is a one-day workshop that offers training for beginners and foundational knowledge of sustainability “to primarily non-technical participants and industry professionals who want an overview of viable retrofit methods applicable in the Gulf region”. Level two, EGBC said, is a three-day workshop that offers more advanced training, tackling more technical topics compared to the beginner’s course. The programme aims to prepare candidates to participate in ongoing retrofit projects in order to streamline their own technical knowledge for more “effective post-retrofit maintenance and preventive care”.
Attendees, said EGBC, will learn about “general building sustainability, viable building retrofit methods applicable in the UAE and MENA region and sustainable methods that can improve indoor environmental quality in the home, office and/or facility”. EGBC noted that the programme is primarily for industry professionals, such as architects, consultants, contractors, MEP professionals, manufacturers and suppliers. The body said the programme is ideal for building owners, such as home owners, landlords and developers; building operators, such as facility managers, hospitality professionals and for building end-users, such as tenants, students, and public- and commercial-sector professionals.
‘Fire-protection systems can harm the functionality of data centres’ Industry experts in the GCC region call for specialised design features and equipment to curb noise and vibration issues in data centres
‘High efficiency and IEQ standards are at the core of our product development’ Carrier highlights product range for Middle East market By Hannah Jo Uy | Features Writer
By Benwen Lopez | Assistant Editor
ighlighting the threat posed by noise and vibration to data centres, industry experts are calling for the need to pay greater attention to design features and to take mitigation measures with regard to fire-protection systems, the noise Paul Schwarz from which could damage sensitive components in data centres. Speaking on the critical acoustical issues faced by data centres, Paul Schwarz, Chairman of Middle East Acoustic Society, said: “Some of the issues that data centres face are environmental noise and vibrations caused by road, rail, aircraft and Miguel Coll industrial processes, located outside the data centre. These activities can affect the operational effectiveness and efficiency of the servers and very sensitive switch systems in data centres.” Emphasising the need for proper design features, Schwarz added: “If the building and its individual floors and rooms are not isolated properly, then the potential for equipment damage and data loss is often so great that it is incalculable.” Highlighting the threat posed by fire alarms and suppression systems to data centres, Miguel Coll, Director of Engineered Systems at Tyco, called for the need to install specialised equipment to mitigate noise. “The new generation of hard drives are more sensitive to noise and vibrations,” he said. “A source for noise that could affect data centres are fire-protection systems. Therefore, data centre owners need to ensure that fire alarms and suppression systems must not exceed 110 decibels, otherwise it could affect the functionality of the hard drives.” Speaking on available acoustic solutions, Coll added: “We have developed an acoustic calculation tool, which allows the input of the specific parameters of the room to channelise the acoustic energy that will be reaching the hard drives. The solution is designed to keep the acoustic footprint at the required levels where it is no longer harmful for the operations of hard drives. It can also decrease and predict the noise level of fire suppression system discharge in areas containing sensitive hard drives.”
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arrier emphasised its commitment towards high efficiency and IEQ standards with Giorgio Elia, Vice President and Managing Director, Giorgio Elia UTC Climate, Controls & Security Middle East, saying that both aspects are “at the core of our product development across chillers, airside, residential and light commercial and control product ranges”. Providing a comprehensive update on the company’s wide range of product solutions, Elia highlighted key features of its inverter units. Elia said that the inverter hi-walls are up to 30% more efficient, ensuring a quicker payback period. The additional investment on an inverter hi-wall unit, compared to a fixed-speed unit, he said, can be recovered within a year in terms of energy savings. The calculation, he said, was based on a comparison of a 1.5 TR Carrier hi-wall unit. Elia also spoke on the company’s VRF systems, which, he said, were designed and manufactured to operate efficiently in the high-ambient conditions of the Middle East and were tested for operation at 52 degrees C. The systems, he said, are available in CDU capacities from 8 to 18 HP, with a maximum modular capacity of 72 HP. Both the hi-wall inverter and VRF product, he said, use non-HCFC refrigerant and surpass the ASHRAE 90.1 minimum energy-efficiency requirements, as well as GCC regulations. Lastly, touching on chillers, Elia highlighted the Carrier AquaForce 30XA air-cooled chillers which, he said, follow both the global AHRI certification, based on ARI 551/ 591 standards and Eurovent certification, based on EN 14511 standards, as well as Middle Eastern certification requirements. He also spoke on the recent launch of the company’s new generation of AquaForce 30XV air-cooled chillers, which he said, features variable-speed drive (VSD) technology and IPLV of 21, which contributes to significant energy cost savings when compared with a fixed-speed chiller.
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NEWS REGIONAL
‘IAQ management is beyond functional maintenance of properties’ Industry insiders reiterate importance of following ASHRAE standards for better IAQ management By Benwen Lopez | Assistant Editor
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onsidering the hostile climatic conditions in the GCC region, indoor air quality (IAQ) management in buildings remains a top priority. But what are facility management companies doing to enhance IAQ in their
facilities? Rijo Abraham, Assistant Manager – Energy Performance at Farnek, said: “In terms of maintaining good IAQ, we look to comply and educate the client to follow international standards like ASHARE 62.1. As an FM company, we focus on HVAC maintenance, such as filter inspections, cleaning of coils and replacement of worn-out parts. “We ensure that we use materials that do not contain problematic VOCs that can affect the IAQ, and we screen all cleaning products before they are used.” Voicing a similar view, Hidenori Matsubara, General Manager – IAQ Eco Solutions Division at Panasonic Marketing (Middle East & Africa), said: “The general rule of thumb is to follow ASHRAE requirements for air changes in indoor spaces. In the GCC region, FM companies must focus on the quality of the fresh air supply into the facility. Before the outside air enters the building, it must be purified using heat exchangers and multistage filters.”
George Thomas, Vice President at Environmental Protection Service Company (EPSCO), added: “Many of the FM companies focus on the functional maintenance of the facility, like MEP maintenance, housekeeping and security etc., whereas IAQ management is beyond functional maintenance of properties.” Highlighting some best practices to improve IAQ, Thomas further added: “A constant awareness is needed to inform people about the adverse effects of poor IAQ. It is also important to conduct periodic testing of IAQ in buildings, and timely maintenance of HVAC systems to ensure proper filtration, adequate ventilation and the right temperatures are maintained.” Speaking on available solutions to enhance IAQ, Thomas said: “One of our key offerings is the HVAC assessment, cleaning and restoration, according to the NADCA ACR standard. We also offer IAQ-testing procedures, mould inspection, removal and remediation services.” Matsubara added: “Our energy recovery ventilator (ERV) ventilates homes with a minimal energy loss, and it reduces power consumption of up to 61%. Using an ERV in this region is beneficial, because it can be customised to deal with tough weather conditions of the Middle East.”
Region ripe for renewables, says CESI Middle East ‘It is inevitable we will shift from fossil fuels to clean energy,’ says senior official from the company By Hannah Jo Uy | Features Writer
he GCC region is steadily moving towards clean energy, according to CESI Middle East. Dr Floris Hendrikus Schulze, Managing Director, CESI, said this on the basis of the profile of projects the company has been heavily involved in over the past few years, which includes global integration and rooftop solar projects in Saudi Arabia, UAE, Oman, Jordan and, most recently, Bahrain. “The region is excellent,” Dr Schulze said. “Three or four years ago, when we set up the Middle East operations, I predicted that the GCC region will be a renewable hub for Europe, Asia and Africa because of its strategic geographic location. [There are] a lot of projects connecting the region to Europe and Asia.
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Many of these developments are kicking off in the region.” One example, he said, is Bahrain’s increasing focus on renewables. Dr Schulze explained that the GCC region enjoys a lot of sunshine, though temperatures are also high, and there is a proliferation of dust. He noted that technology has advanced in such a way to address this, proving that it is an ideal time to look into such projects. Aside from the environmental benefits from a political perspective, he added, it is an important development for a country like Bahrain to be standing in the international stage by entering the clean energy programme, especially when, at the end of the day, this is the general direction where most countries are moving. “I think it is inevitable we will shift from fossil fuels and
move to renewable and clean energy,” he said. “It’s already taking place; how fast will depend on the coming years.” He added that experience has afforded stakeholders with a lot of lessons, which, in turn, has been supporting the fast development of rooftop solar and PV panels as well as inverters. This, he said, is because more people recognise the viability of solar energy as a source of electricity in the future. “Those providing electricity by using conventional generation, they need to change, because their way of operating will be different,” he said. “Globally, everybody is acknowledging it as a way forward, you see things automatically integrated in the master planning and layout of smart cities. Smart cities are an example of renewable development.”
Summer heat fires up rental demand for cooling division, says RSS Company notes spike in wild air cooling By Hannah Jo Uy | Features Writer
he summer months’ harsh climate continues to drive demand for cost-effective solutions, especially with regard to the rental of HVAC equipment. This was confirmed by Russel Moxham, Area General Manager – Gulf, Rental Solutions and Services (RSS), who said that the summer period is the busiest for the company’s cooling division. “Whether it be for short-term rentals to support temperature control in the construction industry or long-term requirements to boost District Cooling facilities,” he said, “demand for our solutions and services is at its peak during Q2 and Q3.” Sharing his insight on further trends in the region, Moxham added that there is also a spike in demand for wild air cooling during the summer months. “When a project is coming into fit out or final commissioning and the handover of the HVAC system,” he said, “you need a temperature-controlled environment to keep the air circulating, reduce humidity and avoid damage to the building, for example, doors being warped.” Moxham emphasised that this is also vital to ensure that employees are working in a safe and comfortable environment. Moxham emphasised that during this time the market is especially cost-conscious, which, he said, prompted the company to tailor and customise its solutions according to the needs of the clients. “We also carry out regular maintenance and monitoring to ensure that the customer is using the load required for that project throughout the contracted period,” he said. “Our engineers are on hand to reduce or increase this as needed, always focusing on achieving results for our customers.”
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Russel Moxham
Dr Floris Hendrikus Schulze
Furthermore, Dr Schulze noted that increasing recognition of Solar PVs viability as a renewable energy option has decreased its price, making it more cost competitive and, thus, more attractive. In Africa, he said, many have become dependent on PV panels for their electricity supply, and there has been an uptake in developments combining PV with diesel generation. He added that CESI has witnessed a number of similar projects and requests to reduce the consumption of diesel and reduce impact on the environment by combining it with solar energy. Dr Schulze said that from the point of view of customers, it is an attractive method to offset energy consumption and reduce their overall electricity bill. Speaking again on the GCC perspective, Schulze said that Oman is heavily involved in developing hybrid system diesel generators with PV. He remarked that with countries such as the UAE housing test facilities and notable organisations doing R&D, things are truly “getting interesting in the GCC region”.
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Eurovent Middle East to host training seminar for engineering and MEP consultants in UAE Seminar aims to provide professionals with hands-on knowledge and techniques to handle future requirements in the HVACR sector, says Association Chairman By CCME Content Team
urovent Middle East will be conducting a training seminar series titled, HVACR Consultant Leadership Workshops, on 25 September 2017, at the Le Méridien Dubai Hotel & Conference Centre, the association said in a Press communiqué. Speaking on this development, Brian Suggitt, Chairman of Eurovent Middle East, said: “As a consultant, you find yourself at the interface between project developers, contractors and manufacturers. Price pressure can often lower one’s sights on product quality and life cycle costs. “Our new seminar series aims to provide local engineering and MEP consultants in the UAE with hands-on knowledge and techniques on how to rightly handle today’s and future requirements in the HVACR sector.” Suggitt added that the event has been specially customised for engineering and MEP consultants based in the UAE, with the core aim of informing them about standards and industry recommendations in the field of ventilation, air conditioning, and refrigeration. The discussions will be on topics like life cycle costs, indoor air quality, energy efficiency, refrigerants, and an in-depth introduction on certification and labelling. The non-commercial seminars are spread across multiple workshops and supported by the EU-GCC Trade and Business Cooperation Facility, AESG, and Climate Control Middle East. Registrations are being accepted at the association’s website.
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Ultra-modern projects an ‘honour, challenge and incentive’, says TROX Regional Managing Director outlines international and GCC-wide cultural projects By Hannah Jo Uy | Features Writer
ollowing on the heels of the opening of the Elbphilharmonie concert venue in Germany, earlier in the year, for which TROX supplied fire protection and ventilation systems. Matthias Kasprowicz, Regional Managing Director of TROX, spoke extensively on the company’s portfolio of cultural projects in the GCC region. He highlighted how the company has provided air-distribution technology to the Dubai Opera House. The venue, he said, contains 1,900 seats. Under each seat, he said, is a floor diffuser; additionally TROX has supplied jet nozzles and displacement diffusers, he said. The company, he shared, has also been involved in a number of other venues, such as the Opera Muscat; the National Museum Doha; the Museum of Islamic Art, also in Doha; the Ittihad Museum in Dubai and the Louvre in Abu Dhabi. Commenting on the peculiarities of working on such developments, given the sensitive nature of concert events, the large crowds such sites are expected to hold and the expectations of the end-users, Kasprowicz said: “For us, the participation in such ultramodern projects is an honour, a challenge and an incentive, at the same time. It confirms the reputation that TROX carries in the market, as the provider of highest quality.” He added that participating in the design of such buildings also serves as motivation and affirmation in the move to spur the development of new products.
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LG Electronics Gulf joins Eurovent Middle East
Entry of South Korea major reflects increasing recognition of Eurovent Middle East in the region, the industry body says By CCME Content Team
G Electronics Gulf has become Eurovent Middle East’s latest member, the industry body said through a Press communiqué. Describing LG as a globally recognised innovator of home appliances, air conditioning and air quality systems, the body said LG Electronics Gulf is determined to support Eurovent Middle East and its more than 30 member organisations in jointly working towards higher standards and quality ideals for the region. According to the communiqué, LG Electronics Gulf is creating total solutions for
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Hospitality sector calls for greater transparency and ethical enterprises Industry insider shares expectations from the HVAC community By Hannah Jo Uy | Features Writer
otels put a premium on the construction, maintenance and operation of their respective developments, as they play a vital role in their ability to ensure customer satisfaction and, by extension, fortify their brand name. In light of this, the hospitality sector aims to develop and establish best practices, but is the MEP community helping the sector meet the respective standards? G Ramamurthy Thevar, Group Director of Engineering, Abjar Hotels International, said that for his part, this is not the case. When asked what his expectations were for the MEP community, he said, “Honest, ethical technical services delivered.” Unfortunately, he added, these expectations were not being met. Without delving too deeply into the numerous difficulties Abjar has faced in its projects, Thevar provided a possible antidote to help industry standards. “Most contractors just want to make money,” he said. “Some hide facts, too, and the ignorant clients are taken for a ride; it can be avoided if they are transparent and build ethical enterprises.”
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the home with its industry-leading core technologies. LG Electronics Gulf has long been in line with the major regulations prevalent in the region, including, among others, Arab Energy Efficiency Building Regulations, and GCC Standardization Council (GSO), the communiqué said. LG Electronics Gulf ensures that its products strictly comply with the latest energy-efficiency norms, laid down by the respective regulators and governments, the communiqué added. Speaking on the occasion, Alex Heo, Senior Director of HVAC Business, LG Electronics Middle East and Africa, said: “At LG, we are committed to making life better for consumers around the world by providing thoughtfully designed products along the entire HVACR value chain. Joining Eurovent Middle East is an important step for our company, through which we further reinforce our high quality and compliance ideals. We look forward to cooperating with the region’s leading players in our industry to jointly support the development of higher standards, their enforcement and surveillance in the region.” LG Electronics Gulf is also an active contributor to Eurovent Middle East’s upcoming ‘HVACR Consultant Leadership Workshops’ Launch Event, on September 25 at Le Meridien Dubai.
He also touched on the HVAC industry, gleaning from his experience. He emphasised that equipment should, in a nutshell, address total environmental issues. He added that though the products are fine, there is greater room for improvement with regard to after-sales service and a need for better transparency. In light of this, Thevar pointed to the importance of being discerning and following a system of proper evaluation and comparison of products. This, he said, is what he personally does to ensure high-quality performance of HVAC products in order to maintain the distinguished standards of the hotel.
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Chigo introduces the CMV-T New DC-inverter-based VRF system, company says, covers a wide capacity range from 8HP to 22HP for a single module By CCME Content Team
higo has launched its CMV-T, which the company described as a T3-type, high-ambient and high-efficiency, full-DC-inverter VRF system. The system also has a DC compressor and a DC brush-less fan motor. According to Chigo, the CMV-T covers a wide capacity range from 8HP to 22HP for single module, with a maximum capacity of 88HP, where four 22HP units are combined. The CMV-T also covers a wide operating range and can operate stably at extreme temperatures ranging from -20˚C to 55˚C, the company claimed. Besides, it has various safety protections to keep running in a stable manner and to keep delivering high efficiency, the company further claimed. According to the company, the CMV-T has a three-stage backup function, which allows the whole system to continue working even in emergency situations.
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ASHRAE to conduct LowDown Showdown building competition Event, which will encourage participants to work as an integrated team to use their design and modelling skills to create a near-net-zero-energy building, will take place in end-September By CCME Content Team
SHRAE will be conducting the LowDown Showdown competition, during the Building Performance Analysis Conference, from September 27 and 29 in Atlanta. According to ASHRAE, the Showdown seeks to broaden the industry’s ability to engage architects, engineers, designers and energy modellers to create an effective workflow and an outstanding design in real-word building-efficiency challenges. The contest will encourage participants to work as an integrated team to use their design and modelling skills to create a near-net-zero-energy building. “The goal of the competition is to challenge participating teams to provide the most up-todate best practices, work flows and processes required to plan, design, construct and operate a high-performing, low-energy-consuming building that is environmentally responsive and responsible, safe, secure and healthy for human occupancy,” said Dennis Knight, Conference Chair. According to ASHRAE, this year, teams will be tested with a real building that was constructed in the 1970s. The building has a traditional VAV reheat system in the office areas and is similar to thousands around the United States. It is located in a challenging northern Virginia climate, and it has large storage areas, which have very specific temperature and humidity requirements. Each competing team will create an energy model and submit a results spreadsheet, narrative and poster using templates provided. Teams will be judged on their design’s energy use, practicality, and calibration, as well as their teamwork, creativity and overall presentation.
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Commercial buildings can reduce energy by 29% Simple practices of controlling basic lighting and cooling equipment can increase energy efficiency, says US-based scientist By Benwen Lopez | Assistant Editor
onsidering the enormous power consumed by commercial buildings, researchers have identified measures that could reduce the energy consumption by an average of 29%, according to a recent study sponsored by the US Department of Energy’s Pacific Northwest National Laboratory (PNNL). Dr Srinivas Katipamula, Staff Scientist at PNNL and co-author of the study, said: “Most large commercial buildings are already equipped with building management systems that deploy controls to manage building energy use. But those controls often aren't properly programmed and are allowed to deteriorate over time, creating unnecessarily large power bills. "In our research, we observed that
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Dr Srinivas Katipamula
significant nationwide energy savings are possible if all US commercial building owners periodically looked for and corrected operational problems, such as air conditioning systems running too long, especially when rooms are empty." Elaborating on the details of the study, Dr Katipamula added: “Our team identified 34 individual basic energy-efficiency measures that can improve commercial building performances. These practices include: Fixing broken sensors, turning off power-using devices when not in use, diming lights in areas that are already illuminated with natural lighting. “If these operations are corrected, this would result in between four and five quadrillion British thermal units in national energy savings, which is about 4-5% of the energy consumed nationwide.” Dr Katipamula further added that although commercial buildings have the potential to save energy up to 29%, other buildings, such as secondary schools, have the potential to save up to 49% of energy.
UK-based engineering firm bags £3 million project in western Africa
Presenting
1 8 - 20 SEP 2017 D U B A I WO R L D T R A D E C E N T R E
Project encompasses the design, build, supply and installation of heating, ventilation and air conditioning units for several offshore installations By Benwen Lopez | Assistant Editor
K-based HVAC & Refrigeration Engineering (HVAC & R) has secured a project worth GBP 3 million in western Africa, said Shaun Struthers, Products Director of the company. Speaking on the development, Struthers said: “This is a significant contract for us, contributing to our revenue targets for the year and securing a number of positions in its fulfilment. It’s a unique project that has required a very specific and complex installation process. “The project encompasses the design, build, supply and installation of heating, ventilation and air conditioning units for several offshore installations. We are now looking forward to completion and installation of the remaining units throughout the remainder of this year and into 2018.” Struthers added that future projects include design and supply of ATEX compliant (zone 2) air conditioning and condensing units for OPS Angola, as well as an additional 26 water tank chiller units for Hughes Safety Showers, Middle East.
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CSG: China eager for training on flammable refrigerants Centro Studi Galileo receives a Chinese delegation of 18 university professors, following request from the United Nations for a training course on alternative and eco-friendly refrigerants By CCME Content Team group of Chinese delegates, which included 18 university professors and two senior government officials from the People’s Republic of China, received customised training for the safe handling of alternative refrigerants for air conditioning and refrigeration applications, Italy-based Centro Studi Galileo (CSG) said. The European Project Real Alternative for Life supported the training programme by CSG. It is not the first time that Chinese experts have paid a visit to the Italian capital of refrigeration; delegations from China travelled to Casale Monferrato, where CSG is based, in 2012 and 2013, as well. According to CSG, owing to the success of the previous collaborations, there was strong support for the organisation of the recent session, which promoted fruitful cooperation between Italy and China and delivered bespoke training for the attending delegates. A core topic of the training, which is fundamental for the future of the sector, was the implications of the Kigali Amendment to the Montreal Protocol. The Kigali Amendment, which was signed by all of the Parties, requires all involved nations to gradually switch from using Hydrofluorocarbons (HFCs) to natural gases, or the brand new synthetic fourth-generation Hydrofluoro-olefins (HFOs). Although the greener alternatives have a lower polluting potential, they also have some features, such as high flammability, which means that specific training is required for their safe handling. In line with this, the main focus of the training was the safety issues related to hydrocarbon plants, industrial systems working with ammonia and cascade systems with carbon dioxide.
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ASHRAE seeks public opinion on guideline to minimise Legionnaires’ disease in building water systems Public input is a vital step in the development of ASHRAE guidelines, says official By CCME Content Team
SHRAE is requesting public opinion on its Guideline 12-2000, in order to minimise the risk of Legionnaires’ disease, associated with building water systems, the society said in a Press communiqué. The opinions will be accepted until September 11, 2017 on the Society’s website. Michael Patton, Member of ASHARE Standing Standard Project Committee (SSPC) 118, said: “Public input is a vital step in the development of ASHRAE guidelines.
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India-based start-up develops energy-analytics platform Product can also predict downtime of equipment and identify refrigerant leaks, says founder By Benwen Lopez | Assistant Editor
The SmartSense energy-analytics platform
n order to counter the soaring usage of energy, an India-based start-up has claimed to have developed an energy-analytics platform to monitor and control energy consumption. Explaining the dynamics of the platform, Harit Soni, Founder and Director of Ecolibrium Energy, said: “SmartSense is an energy-analytics platform, which can be used in factories and buildings to monitor energy consumption. This plug-and-play platform has capabilities to integrate with existing sensors and transfer data to a cloud.” Elaborating further on the features of the platform, Soni said, “The platform identifies energy hotspots and overconsumption, and it can even predict downtime of machines, for companies to service them. “It can also predict refrigerant leaks in air conditioning systems. And it can be integrated with modern building management
systems, apart from conventional building-monitoring systems.” Speaking about the start-up’s strategic ventures with local companies, Soni said: “We have currently tied up with Blue Star, Fiat Automobiles, Godrej, Tata and other reputed companies. They have started using our product and are experiencing significant energy saving results.” Speaking about expansion plans in the UAE, Soni added: “In the Middle East, the cooling load is very high, which leads to high energy usage. Our platform can optimise HVAC equipment for better energy usage. We are still exploring to increase our presence in the UAE and currently are in talks with certain stakeholders. We also hope to work closely with District Cooling plants and centralised chiller plants.” Soni said his team has managed to raise USD 2.6 million in a recently held funding round, which will boost the company’s activities, including global expansion.
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Our goal with Guideline 12 is to have a strong companion document that works in tandem with ASHRAE Standard 188. We invite all interested and affected parties to review and comment on Guideline 12 during its public review period. This will help ASHRAE and SSPC 188 to create better resources that would help building owners minimise the risk of Legionellosis.” Patton explained that the ASHRAE Guideline 12 was developed by the (SSPC) 118 and is intended for the use of building owners and those involved in the design, construction, installation, commissioning, management, operation, maintenance and service of centralised building water systems and components. Explaining the benefits of the Guideline 12, he said: “The guideline will provide essential information and guidance to assist in the control of Legionellosis associated with building water systems. It also gives users direction in implementing ASHRAE Standard 188, which covers risk management for building water systems.” Patton further added: “The Centers for Disease Control and Prevention estimates there are between 8,000 and 18,000 cases of Legionnaires’ disease in the United States each year, and more than 10% of these cases are fatal. Most of those cases are the result of exposure to Legionella associated with building water systems.”
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