Home / HVAC / New NHS Nightingale Hospital in Exeter is air conditioned with Toshiba SHRM-e Heat Recovery VRF

New NHS Nightingale Hospital in Exeter is air conditioned with Toshiba SHRM-e Heat Recovery VRF


Toshiba provided 46 Toshiba SHRM-e VRF systems to the hospital

High-efficiency Toshiba variable refrigerant flow (VRF) air conditioning – supported by some 5km of electrical cabling – has been installed as part of a fast-track project for the new NHS Nightingale Hospital at Exeter. Toshiba Carrier UK Ltd (TCUK) is a joint venture between Toshiba Carrier Corporation and Carrier in the United Kingdom, and is part of Carrier Global Corporation (NYSE: CARR), a leading global provider of innovative heating, ventilating and air conditioning (HVAC), refrigeration, fire, security and building automation technologies.

The Toshiba VRF project involves 5km of electrical cabling

The 116-bed facility, operated by the Royal Devon and Exeter NHS Foundation Trust, is part of the UK’s network of seven Nightingale Hospitals designed to treat patients with coronavirus, and remains on standby in case extra capacity is needed for patients with COVID-19.

The air conditioning project was designed and installed in seven weeks, and includes 46 Toshiba Super Heat Recovery Multi (SHRM-e) air conditioning systems linked to the manufacturer’s high capacity 14kW cassette indoor units. The system serves hospital wards, testing facilities, meeting rooms and clinical support areas. A high performance Toshiba split system also cools the hospital’s server room.

“It is a substantial project and involved high heat gains due to the intensive care medical equipment used on wards. It required careful planning due to the complexities of the site and the critical healthcare application,” said Gary Tidball, who headed the design and installation project for Mechanical and Electrical contractor TClarke. “We selected Toshiba because of its reliability and the company’s large capacity cassettes, which enable a high density of cooling with minimal intrusion of indoor units into the space.

“The support we received from Toshiba throughout the project was outstanding. Seven-day-a-week working was required to meet the project timetable, and early on in the project, Toshiba’s regional sales manager Wayne Dolley himself delivered units to site over a weekend to ensure work could progress.”

Toshiba’s large capacity ceiling-suspended cassettes provide an ideal solution as they pack a lot of cooling into a small space

To optimise air circulation and cooling, TClarke converted the 4-way cassettes to two-way units, augmenting lateral coverage along the length of wards. Closing off two side-outlets in this way delivers increased cooling and air-throw to the remaining open louvres.

Toshiba’s SHRM-e three-pipe heat recovery VRF air conditioning system sets an industry benchmark for energy efficiency performance and continuous heating, achieving a world-first European Seasonal Energy Efficiency Ratio (ESEER) of 8 in most capacities.

The system uses an advanced rotary compressor, developed and manufactured by Toshiba, which uses a two-stage compression process for improved efficiency and performance. Wear surfaces on compression vanes are treated with a high-tech Diamond-Like Carbon (DLC) coating, giving outstanding hardness, wear resistance and reliability. This enables a significant increase in compressor rotation speed, resulting in a higher displacement volume – up to 50% greater than for the previous generation of VRF systems, delivering a higher duty from a smaller compressor, with less power.

More details on Toshiba SHRMe here: https://www.toshiba-aircon.co.uk/product/shrme-3-pipe-heat-recovery-outdoor/

About Toshiba Carrier UK
Toshiba Carrier UK Ltd is a joint venture between Toshiba Carrier Corporation and Carrier in the United Kingdom, and provides sustainable solutions integrating energy efficient products for residential and light commercial customers. Toshiba Carrier UK and its subsidiary companies are a part of Carrier, a leading global provider of innovative HVAC, refrigeration, fire, security and building automation technologies.

For more information, visit http://www.toshiba-aircon.co.uk


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