FAN COIL SYSTEMS
WITH A MOVE AWAY FROM TRADITIONAL ANGLED OR CLOSED COUPLED FAN COIL UNITS, MARK MOGEY, HEAD OF OEM SALES UK AND
ROI, DISCUSSES HOW NEW UNIT DESIGNS CAN HELP MAKE INSTALLATION AND MAINTENANCE EASIER… Prioritising design of fan coil units
Mark Mogey, Altecnic.
A fan coil system is a
THE BENEFITS OF PRE- ASSEMBLY Pre-assembled kits, unlike buying
to each fan coil. The water loops are insulated, thus providing heating and cooling with water at a very low transportation or pump work cost. As a result, fan coils are an energy- efficient system choice for a range of building types. However, they are a complex and timely installation for many installers and require a great understanding of the make-up of a fan coil unit to ensure that they work effectively. HOW CAN DESIGN ASSIST AN INSTALLER? Dealing with fan coils and air handling units can be a tough matter without the right equipment. Having a pre- assembled kit for terminal units, which is compact and composed of all devices needed for the operation, can make the job easier for the installer and contribute to quick commissioning and maintenance.
decentralized HVAC system with fan coils, or terminal units,
at or near the occupied space serviced by central heating and cooling plants. A fan coil system can be used in many building types, including hotels, multi- family residentials, offices, schools and office blocks. They are made up of an enclosure, fan and motor, coil with drain pan and a filter. Fan coils come in a wide range of configurations including the wall, ceiling exposed, horizontal ceiling concealed, stacked and large capacity. Terminal units heat or cool by using hot water from a central heating plant and chilled water from a central chiller plant. The fan is powered by a small electric motor that circulates room air through the filter and coil. Four pipe fan coil systems have two water loops (hot and chilled water) throughout the building connected
components separately, assure both the installer and end-user. Through design specification, pre-assembled fan coil units can be custom-made to include specific connection types and flow rates in a single assembly. This simplifies the design process for the specifiers and subsequently saves time for the installer. Due to the design of pre-assembled kits, with all elements of the kit being readily joined and the kit requiring a minimum number of additional joints, the likelihood of leakages is reduced massively. This generates a cost-benefit, with a reduction in both water usage and potential maintenance costs. To further ensure peace of mind, the pre-assembled fan coil units are often pre-tested to certify their standard. When this is done, the quality and performance of the fan coil unit can be
“It is of great importance that their installation, maintenance and commissioning are made as easy as possible for the installer.”
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14 | PLUMBING & HEATING MAGAZINE
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