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Air conditioning
Thermal comfort via heat reco very
Health Imaging Solutions, a specialist service support company based in Dinnington, South Yorkshire looked to Fujitsu to provide a comfortable and stable environment for their employees to service and repair medical diagnostic imaging equipment
The installation is al l about thermal comfort hence the reason for a heat r ecovery VRF
hey chose a F ujitsu AirstageTM VRII heat recovery system, which provides individual climate control in offices, meeting rooms and common areas with dedicated server support split systems across their premises. The space saving 28kW, VRF outdoor module has a footprint of just 0.71m2 and has been located in a purpose built compound adjacent to the building. With three individual refrigerant branch boxes inside, each connected to a four- way cassette, the module is capable of
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repositioning its electrical panel for better access. Mark Derriman, Fujitsu’s southern business
development manager said: “Having an existing ceiling grid of 600 x 600mm, the compact cassette’s chassis fits perfectly without having to adjust the grid. This kept the work required for installation to a minimum. Our new circular flow cassette provides 360-degree air flow and worked out an ideal choice for the large meeting room as the air that is distributed reaches every corner .” He added: “The installation in these offices and meeting rooms is al l about thermal comfort, hence the reason for a heat reco very VRF. The system can provide simultaneous cooling and heating and works by reusing heat energy rather than wasting it The system is capable of reaching operating efficiencies of up to 8.82; that’s over 800%.We commissioned the system by reducing the cassette’s pre-set external static pressure selections within the controllers. With a low ceiling, the people sitting under our units don’t suffer from any draughts and so are always comfortable when working.”
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The installation was carried out by Orpington-based Friargreen Construction which specialises in turn-key projects for clients working in the healthcare sector. Managing director Toby Sparks said: “The project had to be one of quality. Not only the installation, but also the equipment. The wall-mounted systems that are installed are located in rooms with servers that are operating when staff are servicing or testing CT scanning equipment. Failure to regulate the temperature of these servers could result in huge losses to the business in down-time.We chose to use Fujitsu because we have been extremely impressed with the high level of support they have provided in the past and their equipment is known for its reliability.
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