Chiller Hire for Government Offices and Data Centre- DEFRA Reading. ACR Case Study
Chiller Hire for Government Offices and Data Centre- DEFRA Reading. ACR Case Study
Confident that we could offer a fast service, we were approached by a long term client with an emergency situation. Unfortunately, their fixed Carrier chiller plant had failed and they needed a solution to maintain building and data centre operation.
Speed was of the essence here as the server room was critical to DEFRA’s operations. With this in mind we moved swiftly to offer a full turnkey solution to chiller hire for government offices.
Two very reliable Trane RTAB's were installed for temporary chiller hire for government offices. Piped in tandem, they provided very stable temperature control
The total building load was calculated at 650Kw. Two reliable Trane RTAB air cooled temporary water chillers with a total cooling capacity of 750Kw were installed along with all cable, pumps and hosing as required.
As planned, the complete system was successfully installed in one day, leaving the client with a reliable fully commissioned chilled water system.
To date, the plant has been in successful operation for 18 months. Indeed, the lead chiller in the circuit has run continuously in all load conditions and has clocked up over 12,000 hours operation.
Weekly service checks by our fully qualified engineers have given the client high levels of peace of mind and ensured complete reliability of this chiller hire for government offices project.
To achieve more stable and accurate temperature control, the chillers where pipe in series ie. water flowing through one before the other. Because of this arrangement, the lead chiller predominantly cooled the base load with the second chiller floating against any excess.
Low supply water temperatures of 1.3 degrees were safely possible due to a 20% glycol mixed water system and excellent controls which constantly adapt to load conditions.
The lag machine set-point was set at 1.6 degrees to enable running only after the lead unit reached capacity. In this way very stable close control was achieved with flow temperatures in the range of 1.2- 1.6 degrees in all load conditions.
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Temporary chilled water hose and ancillaries rental from Advanced Climate Rentals.
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