Hotel’s chilled water fan coil upgrade an all-round winner
Guests at a busy Yorkshire hotel are starting to benefit from the latest air conditioning technology following the first phase of a rolling upgrade programme. The hotel’s owners are also benefitting from a refurbishment that has minimal impact on hotel operations and a gradual reduction in operating costs through energy savings, as the programme goes forward.
Hotel’s chilled water fan coil upgrade an all-round winner
The multi-storey, late 20th century hotel has a chilled water system that has been in place since opening day. After two decades in daily use the original fan coil units in the guest rooms started to become noisy and unreliable.
The concealed fan coil units have separate cooling and heating coils, fed by water circuits from chillers and boilers. Heat exchanger coils are selected automatically for each fan coil unit, according to the difference between actual room temperature and that selected by the guest on the room controller.
Lee Anderton, Client Service Manager at Daikin D1+ Partner Nationwide Air Conditioning
“The solution was simple. Daikin’s FWS-AT was the only modern chilled water fan coil unit that would fit through the existing ceiling hatches. This meant our engineers could complete each replacement – including changing the supply grilles to match the opening of the new Daikin units – without any repair or redecoration issues, enabling rooms to be returned to service quickly."
Substantial improvement in sound levels
Lee Anderton says: “With just water and electrical connections – there is no refrigerant gas – an upgrade of chilled water indoor units has very little impact on a hotel’s room availability. We worked on two rooms at a time, on a two-day cycle. Each pair of rooms was ready for guests by the evening of the second day once replacements were authorised.
“We compared sound levels before and after the units were changed. There was a substantial improvement.”
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