How to use server room air conditioning
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Completion of server room air conditioning replacement for Gregory Wildman Accountants

Orion air conditioning and refrigeration limited has completed a small replacement server room air conditioning unit for Gregory Wildman Accountants in Wilden, Bedfordshire. The existing Daikin wall mounted air conditioning unit had failed due to old age, it was installed in 2003 and had been working continuously since installation. Daikin Air conditioning is renowned for long reliable life and are ideal for server rooms and coms rooms were a failure can mean the complete shut down of an entire business. The original Daikin air conditioning unit was on R407C refrigerant and was on of the first inverter models for use in the UK on R407C. The new unit is a energy efficient inverter system which has a high COP and modulated inverter compressor which can save up to 40% on server room air conditioning that will run 24 hours / 7 days a week.

 

Server Room Project Picture:

 

 

What air conditioning unit was installed in FibreFab:

1 x  Daikin Air Conditioning ATX25JV Wall Mounted Inverter Heat Pump (2.5 Kw / 9000 Btu) 240V~50hZ units which provided enough cooling for the 4 meter square area in the server room. These units have a COP 3.65 initial input which means that every 1000w of electrical energy going in produces 3650 watts of cooling. 3 times more effiecient than a direct electric heater.

 

Server room air conditioning efficiency and CO2 emissions:

This air conditioning system took around 20 minutes to cool fully the server room area to 18 DegC which was initially sitting at 28 DegC, but once cool the outdoor inverter units slowed down because the temperature  had been reached therefore just pumping small amounts of cooling in to maintain the server room. 

 

Server Room Heat Load Summery:

 
Server room efficiency: 85%
Total power of servers: 1000 Watts
Total heat loss: 150 Watts@85%
Room in Square Meters: 460 Watts
Total Heat Load: 610 Watts
 
Key points to think about when getting air conditioning for server rooms
  • Use inverter air conditioning as it will save energy in the long run.
  • Cheap air conditioning units do not work in cold weather because they do not have a outside fan speed controller (low ambient kit)
  • Use a established brand so if a part fails on you Server room air conditioning you are not waiting 8 weeks for a part.
  • Sometimes it is worth having two server room air conditioning units because if one fails you still have some cooling.
  • To establish the heat load of you servers add up all the power supplies of your servers rack and assume a 40% loss to heat. i.e- If you have 10 servers with 400watt power supply the total watts will be 4000 watts. assuming a 40% loss the heat load will be 1600 watts.
  • Work on a average watts per/Msq of 125watts, so if you server room is 5 x 5 meters you will require a base of 3.5kw/12000btu + the heat load.
  • Advised manufactures for server room air conditioning Mitsubishi, Daikin, Fujitsu, Sanyo.
  • Always use auto-restart units for server room air conditioning units as power failures can shut budget air conditioning down.
  • If your server room is temporary (ie short term lease on building) or has building restrictions then portable air conditioning maybe your only option.
  • If using portable air conditioning for your server room then make sure it recycles the water for better cooling performance of that it has a integral condensate pump.
  • Use a established business who will not be going out of business for your server room air conditioning installation as the warranty of the air conditioning is with the supplier not the manufacturer.
 

We offer a complete service to IT Managers, Building Managers and Server Room / Computer / COMS room managers. Call us for a comprehensive quotation on varied air conditioning manufactures to suit any budget on new installations. We have worked with many Blue-chip organisations in helping them develop their server room air conditioning.

 

 
Call: 0845 567 7080  for details on server room air conditioning quotations.

 

E-mail: info@orionair.co.uk

 

 

 

 

 

Orion Air Conditioning & Refrigeration Ltd, 10 Grisedale Court, Woburn Road Industrial Estate, Kempston, Bedfordshire, MK42 7EE, UK

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                               Last updated - 04/05/2016