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Fan coil units for heavy-duty areas Based on the successful Lynx fan coil unit, Super Lynx has been designed specifically to serve high duty areas. With outputs up to 15kW, the new Super Lynx Series of horizontal waterside control chassis fan coil units have been developed to accommodate high duty areas, while meeting the demands of the high-end commercial market sectors, where high quality components and proven reliability are essential pre-requisites. The new models join the current Lynx range, an established and important part of Dunham-Bush’s fan coil product offering. Super Lynx is a 385mm deep concealed, horizontal fan coil unit available in two size variants producing air flows up to 1400 l/s and 1900 l/s. It uses the latest EC motors driving all-metal fans with specific fan powers of less than 0.6 W/l/s for system resistances of 100 Pa. Standard features on all models include a rectangular discharge plenum and galvanised condensate drip trays. A variety of options are available to meet most installation requirements, including single rectangular or multiple circular spigots, 400mm and 600mm inlet acoustic attenuators, stainless steel condensate drip trays, a 200mm drip tray extension to accommodate larger valves sets ONLINE ENQUIRY 101 and condensate pumps.
Online check for R-32 safety compliance Toshiba has developed an online tool that automatically checks R-32 refrigerant-based air conditioning designs for compliance with the safety requirements of European Standard EN 378. EN 378 – Refrigerating Systems and heat pumps: Safety and environmental requirements sets out limits for refrigerant charge size in occupied spaces. These vary according to the toxicity and flammability of the refrigerant, the size of the occupied space, the accessibility of the area, and the scale of possible exposure by individuals and the public in the unlikely event of a refrigerant leak. “The calculation for specific projects under EN378 becomes quite complex, due to the number of variables involved,” said Oliver Sanders, TCUK’s new equipment pre-sales manager. “The tool enables designers to quickly input the key details for a project and simply hit return; it automatically calculates whether the proposed system is compliant or not.” If a proposed design proves to be non-compliant, the tool suggests practical mitigation measures that can be used to ensure the project meets the requirements. These may include installation of a fixed refrigerant monitoring and alarm system, use of isolation valves, and/or installation of ventilation fans in the area affected by a potential leak.
ONLINE ENQUIRY 102
Commercial floor-standing water heaters Water heater manufacturer Lochinvar has launched a range of high performance electric floor standing storage water heaters for commercial and large residential applications. Cavalier water heaters are available in seven models all of which meet the requirements of the EcoDesign (ErP) directive and can operate at working pressures of up to 8 bar. These fully packaged water heaters represent a significant advance for this type of technology because they feature factory-fitted multiple immersion elements for rapid hot water production. This ranges from three 3kW elements in the lowest output model (9kW) up to nine 6kW elements powering the highest output (54kW) water heater, which is capable of providing up to 929 litres of continuous hot water per hour at a temperature rise of 50ºC. The immersion elements operate in sequence to provide fast recovery of hot water and better efficiency, especially during off-peak demand periods. The independent operation of each element provides stand-by in the unlikely event of any individual element failure. The water heaters also work with Lochinvar’s Amicus range of heat pumps when installed as part of a ‘hybrid’ system, making them ideal for projects requiring a hot water solution with zero on-site emissions. As they produce no on-site carbon or NOx emissions, they are BREEAM and ‘London Plan’ compliant. Storage capacities are either 200 or 300 litres and the enamelled steel storage vessels include an integral magnesium anode for cathodic protection. They are insulated with 65mm polyurethane foam and encased in an enamelled grey jacket to ensure heat losses are substantially lower than the standard required by Part L of the Building Regulations. The Cavalier range is designed for ease of maintenance with all of the electrical components accessible from the front of the units. “This product is an important addition to our portfolio as we are seeing growing demand for all-electric, zero on-site emission solutions in a wide range of buildings,” said Lochinvar sales director Liam Elmore.
ONLINE ENQUIRY 103
Panel mount analyser for 3 phase systems Carlo Gavazzi has extended its product offering by launching the WM15, a 96x96 panel mount power analyser for three phase systems (MID versions available) which can be installed into any switchboard to manage and control energy consumption, main electrical variables and harmonic distortion. The WM15 is easy to install due to the intuitive setup and navigation whilst the wizard and wiring check on first startup provides a quick, guided and error free installation and commissioning via the free UCS software. This new 3 phase power analyser is particularly suited to the measurement of main electrical variables, voltage, current harmonic distortions, measures active and reactive energy, apparent energy and load operating hours. All measurements are displayed on the easy to read backlit matrix LCD display in both digits and bar graph format. Its front panel uses a simplified 4 push button user interface for easier switching between pages, and fast scrolling through the readout. Providing error proof installation by using selfpower supply and phase sequence detection the WM15 offers various interfacing capabilities such as digital output for pulse transmission or alarm, optional RS485 Modbus RTU (100ms data refresh) and continuous sampling of each voltage and current. The onboard optical port provides fast, easy and remote programming for mass production of electrical panels via the Optoprog battery powered device. The embedded Bluetooth 4.0 communication allows the user to connect a Smartphone (via UCS Mobile Android APP) or a PC (via UCS Desktop software) to the meter, allowing fast and easy configuration.
ONLINE ENQUIRY 104
20 | ENERGY IN BUILDINGS & INDUSTRY | FEBRUARY 2020
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