The Toolshed

1 Quality touch

Quality Air Equipment (QAE) has released of a new range of Qline eight-zone and six-zone glass touchpads. They are fully compatible with the company’s 24V motorised zone dampers, which are used to control airflow in HVAC heating or cooling systems. QAE says the main advantage of the new glass touchpads, aside from their modern look, is that they are connected to the zone damper through the main control module (MCM). This allows use of up to eight controllers at the same time. The MCM can be programmed to select individual zones available for individual touchpads and program spill function. New touchpads are connected to the MCM with “RJ45, 8-pin cable”, and dampers are connected to the MCM via “RJ11, 4-pin cable”. QAE also offers one-zone to four-zone touchpad controllers, as well as 240V zone dampers.

The range of QAE’s dampers consists of sizes 150–450mm in diameter, available in both 24V and 240V options. QAE has housed the motors (yellow) 24V and (red) 240V for convenience. Other features include a 3.5Nm torque motor, additional blade support, sealed joints (no rivets, no spot welds), insulated casing and sealed joints (to eliminate air leakages), dual-earth cable option (240V), and five-year warranty for motors in a domestic application and a one-year warranty for commercial applications. Go to qualityairequipment.com.au ■

2 Carel’s Boss attitude

Carel has extended its range of local supervisors with the addition of Boss Micro, a new format that completes the Boss range and enhances its offering of local monitoring systems. The new device is designed for applications with a limited number of units – such as edge data centres, c-stores and petrol stations – but that still require the same user experience and advanced system management functions. There are four different hardware versions to adapt to different needs, integrating a wi-fi hotspot and a 4G modem for local and/or remote access without requiring additional infrastructure. Like the other supervisors in the Boss range, Boss Micro implements cyber-security standards to ensure controlled and secure access to the information at all times, as well as undergoing a periodic security assessment, performed by outside organisations.

“Boss Micro is not a simple gateway,” says Carel, “but rather an edge device in its own right, because in addition to connecting the field devices it provides local processing, storing and displaying data as trends, as well as an intuitive and easy-to-navigate responsive web pages for all devices, even smartphones.”

Carel says the wide range of additional software components means the Boss Micro supervisor can optimise system performance in many HVAC&R applications. Go to www.carel.com/carel-australia ■

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3 HVAC know-how

AIRAH has released two Design Application (DA) manuals focusing on commissioning air distribution systems and hydronic water systems.

DA04 Air System Balancing – in HVAC is a new release in AIRAH’s collection of technical resources. The manual discusses the testing, adjusting and balancing (TAB) of air distribution systems in HVAC&R applications. It also promotes best practice for the balancing of air distribution systems in the industry. DA24 Hydronic System Balancing – in HVAC is a revised and updated Design Application manual, which focuses on the testing, adjusting and balancing of hydronic water systems. The previous version of this technical resource was titled DA24 Water Systems Balancing. AIRAH members can purchase the manuals for $59, and non-members for $209. AIRAH members also have exclusive digital access to the manuals. Go to www.airah.org.au/DA_manuals ■

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4 New kicks in nubuck

Blundstone has expanded its selection of durable boots with the launch of the #984. Market research undertaken by Blundstone revealed that young workers were looking for colour variations in their safety footwear. The #984 in a stone colour nubuck leather was the result.

“An extension of the hugely successful XFOOT rubber range, the new boot is packed with all the benefits of Blundstone’s legendary safety and comfort features,” Blundstone says. Features include water-resistant nubuck leather, YKK heavy-duty zip, and thermal regulating bamboo lining for breathability.

“The #984 is a new addition to our range, with all the best in class features you know and love from Blundstone,” says Blundstone global work and safety range manager Adrian Blandford. “Packed with our premium safety and comfort features, we’ve wrapped up this new boot in a sleek, stone colour nubuck upper that discerning tradies will love.”

Other features include low-density shock absorbing midsole with anti-bacterial agent; rubber outsole designed to increase slip resistance; and broad-fitting impact-resistant steel toe cap.

Blundstone says the #984 is heat resistant to 300˚C; oil, acid and organic-fat-resistant; and electrical hazard resistant. The recommended retail price is $220.

Go to www.blundstone.com.au/work-boots/new-arrivals ■

5 RectorSeal of approval

RectorSeal has introduced two new products to the RSH Series of surge protection devices (SPD) and voltage range monitoring (VRM) kits.

RectorSeal RSH Series devices have been designed to protect HVAC equipment from electrical surges, brownouts, and other voltage disturbances resulting from transient over-voltage and natural-cause surges.

“The RSH series is a preferred choice for HVAC technicians,” says the company. “Offering easy installation, proven performance, and an outstanding limited warranty, RSH Series products are weather-rated under NEMA 3R and can be installed within minutes to the outdoor disconnect electrical box.”

The RSH-VRM60A voltage range monitoring device is designed to support 120/240 single phase, 60-amp double pole capacity relays for loads of 15–60 amps. It can be used with ductless and ducted HVAC systems. Features include a voltage read-out screen, a large, easy-to-read LED digital display, and dual red and green LED diagnostic indicators. The RSH-VRM60A also has an over/under voltage cut-off device with an auto restore and push-button cut-off setpoint adjustments to cover a wide range of input voltages. A two-year limited warranty covers the device.

The RSH-50VRM Kit is a surge protector and voltage range monitor designed to support 120/240 single phase, 60-amp double pole capacity relays of 15–60 amps. According to RectorSeal, no laptop or programming tools are required, resulting in easy set-up, and the device is field programmable. For more information, go to www.rectorseal.com ■

6 Bitzer’s comprehensive guide

Fundamentals of Refrigeration is a new manual published by Volker Stamer, Director of the international Bitzer training centre Schaufler Academy.

According to Bitzer, the text is a comprehensive guide to refrigeration, with a wealth of basic information aimed at new entrants to the industry, and extensive reference material that will serve experienced refrigeration technicians.

“The manual gives new recruits and experienced readers alike an overview of all the important aspects of refrigeration and fills in partial knowledge gaps,” says Bitzer. “The content of the compact 220-page manual is both graphic and realistic for readers, from the fundamentals of thermodynamics and the components of a refrigerating circuit through to commissioning and troubleshooting refrigeration systems. The various subject areas of refrigeration are made easy to understand with numerous colourful diagrams, illustrations and overviews.”

The bilingual manual – written in English and German – was developed with the help of external experts as well as Bitzer staff. It is available in hardback and as an e-book.

Go to trainings-events.bitzer.de/Handbook ■

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7 Heat exchangers to a T

Alfa Laval is promoting its T10 heat exchanger in the Australian market. According to the company, the T10 has been built with an entirely redesigned plate concept, which boosts energy efficiency and sustainability, while reducing total cost of ownership thanks to a smaller footprint and reduced maintenance needs.

The T10 is the successor to the long-selling M10 in Alfa Laval’s industrial line of plate-and-frame heat exchangers.

“Built with a revolutionary new plate concept, T10 eliminates the compromise between efficiency and pressure drop,” says Alfa Laval. “With the improved design, customers can better accommodate uneven flows, making it possible to optimise the performance of the heat exchanger according to its specific position in the processes.”

The T10’s major update from the previous generation is a new plate concept.

“With the new FlexFlow plate design feature, T10 units can be configured more precisely without compromising between thermal performance and pressure drop,” says Alfa Laval. FlexFlow enables as many as 10 channel combinations using only two plates. Go to www.alfalaval.com.au ■

DO YOU HAVE A NEW PRODUCT TO GO IN THE TOOLSHED? Email mark.vender@airah.org.au All submissions received will be considered, though publication cannot be guaranteed.

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