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Case Study of Air conditioning Heat-pump installation at Autologic PLC Doncaster (21/02/10)

Installation of Autologic PLC air conditioning heat-pumps :


Orion air conditioning & refrigeration ltd complete the installation of a Fujitsu VRF air conditioning heat-pump heating system for the 2 storey office building in Doncaster Yorkshire. Autologic Doncaster is a 1950's building made of a concrete structure with 18 areas which needed heating. The building had around 400 meters/Squared of area that used a oil fired convector heating system which was costing a great deal to maintain.


What air conditioning heat-pumps were installed in Autologic Doncaster:

8 x  Fujitsu ASYA09-LG Wall Mounted Air conditioning (2.5Kw / 8500Btu) and 4 x Fujitsu ASYA12-LG Wall Mounted Air conditioning (3.5Kw / 12000Btu) 6 x Fujistu AUYF12L Compact Cassette Air conditioning ( 3.5 kW / 12000 Btu) VRF Air Conditioning units running on 2 x 31 kW / 100000 Btu condensing unit heat pumps  which provided enough heat for the 14 areas in the building. These units have a high COP (3.65 initial input on) which means that every 1000w of electrical energy going in produces 3650 watts of heat. For more information on heat-pump inverters please here.

Background of the Autologic air conditioning heat-pumps:

Autologic was quoted on various heating systems including split heat pump systems and a replacement oil fired boiler which came in over budget what the price of the Fujitsu air conditioning Heat-Pump units which where installed. The Fujitsu air conditioning heat-pump systems provided a great value way of heating a office building within a short space of time and with little cost and also reduces CO2 emissions.

Office air conditioning Heat-pump efficiency and CO2 emissions:

This Autologic office air conditioning heat-pump system took around half an hour to heat fully but once warm the outdoor heat-pump ramped down because the temperature  had been reached therefore just pumping small amounts of heat in to maintain heat.

Heat-pump installation criteria:

This Autologic Office air conditioning heat-pump installation was undertaken by lead engineer Geza Toth with assistance from installation engineer Craig Fogarty and Miles Taylor. All pipe and services were installed on the outside of the building on cush clamp pipe fittings at the back of the office building. The office air conditioning heat-pump units have a life span of around 15 to 25 years depending on their use.  Installation time 20 days.

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