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BSEE


VENTILATION


Carrier’s New Ultraslim Fan Coil offers big benefits for restricted space installations


challenge for installers. Recognising the problem, Carrier has developed a new range of ultra-slim Fan Coil Units (FCUs) designed to fit into the tightest of spaces. At just 150mm high, the new slim-line horizontal ducted 42EP FCU is the slimmest unit of its kind available today. It can be installed in very low- height ceiling voids and under-floor applications, saving habitable space and helping to maximise property values.


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The new 42EP fan coil unit opens up excing opportunies for installers and developers, says Carrier’s FCU specialist Mahew Malek


The 42EP can be used to enable higher ceiling heights within buildings, to provide a premium feel to residential accommodation and give occupants an enhanced sense of space. Alternatively, it gives developers the flexibility to add extra floors within a given permitted building height, again helping to maximise property values. This is a particular benefit as council planners are often keen to reduce the impact of new buildings on the skyline as a result of light obstruction. As a result they may impose restrictions on the height developers can build to. Due to its low profile, the 42EP enables more floors to be included within a given overall height.


The unit therefore enables developers to take advantage of permitted building height to maximise the rental and sale yield of projects in densely populated areas.


For example – in the case of a notional “50- storey” residential tower: A standard 235mm fan coil unit requires 300mm of ceiling space, whereas the new 42EP 150mm requires around 200mm of ceiling space. This represents a 30% reduction of ceiling void required, creating significant additional free useable vertical space. In the case of a notional 50-storey building, this equates to 50 x 100mm = 5m of additional available space. This creates an opportunity to add an additional floor within the existing permitted building height.


With typically six apartments per floor, and property values increasing towards the top of buildings to around £1.5m, the 42EP offers significant potential financial benefits to developers.


The unit operates with very low noise, between 45-60dB(A) depending on the model, making it particularly attractive for use in premium residential and hotel applications. It is also ideal


20 BUILDING SERVICES & ENVIRONMENTAL ENGINEER MARCH 2020 uCarrier’s new ultraslim 42EP fan coil unit – unrivalled on the market


for use in commercial offices, where similar space constraints and expectations for high performance apply.


The 42EP includes a number of innovative features:


• Use of a plug fan versus standard centrifugal motor technology: Traditional centrifugal fan motors can be bulky and do not lend themselves to low profile designs. The 42EP is based on a new patented design that incorporates a split supply and return chamber before the cooling coil. This enables a specially-selected plug fan to be perfectly positioned to minimise the use of internal space within the unit, resulting in an exceptionally slim line product.


• New inlet and outlet chamber design: Carrier went back to the drawing board in the design of these key elements, which is based on the optimal position of the plug fan, which is sited at an optimum angle within the unit, ensuring high performance, energy efficiency and low noise operation. • A CO2 sensor linked to fresh air valves: High quality indoor air is maintained at all times with the use of CO2 sensors, ensuring outstanding indoor conditions for building occupants.


• A unique mounting bracket for the controls: A completely new approach to control mounting was required since, when placed side-by-side with the fan coil unit, the controls are effectively taller than the unit is high. The new design gives optimal performance and space efficiency. Options include two-pipe and four-pipe versions, offering heating between 1kW to 4.3kW and cooling 0.8kW to 2.5kW. Water valves are


available as 2-way, 4-way, and auto-balancing. Control options include basic electro-mechanical, WTC Bacnet and third party controls. In summary, Carrier’s new ultra-slim 42EP fan coil unit opens up new opportunities for developers and installers. Despite its svelte design, it delivers the very highest levels of performance required by today’s premium residential and commercial applications, and in a compact package that is unrivalled in the market.


ith developers keen to maximise habitable space in new buildings, voids for the installation of building services equipment are getting ever tighter, posing a





The unit enables


developers to take advantage of permied building height to maximise the rental and sale yield of projects in densely populated areas


’ Read the latest at: www.bsee.co.uk


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