Call: +44(0)1234 841221 E-mail: [email protected] Replacement server room air conditioning for Saga Healthcare 02/12/12Orion air conditioning has completed the
installation of a replacement server room air conditioning system for
Saga Healthcare in Hatfield. The existing mix of cassette and wall
mounted air conditioning units were R22 which is now banned for use in
the UK and R407c which is banned for use in the UK from 2015. Because
the units were old and fixed speed (either on or off according to the
thermostat) the efficiency had dropped and the technology had become
outmoded. The systems were at the end of their economical and safe life
span. Mitsubishi Electric air conditioning
units are renowned for long reliable life span and are ideal for server
rooms and Comm's rooms were a failure can mean the complete shut down of
an entire business or at worst server damage. The new units are energy
efficient inverter systems which have a high COP and modulated inverter
compressor which can save up to 40% on server room air conditioning that
can run 24 hours / 7 days a week.
Pictures of the project:
What air conditioning units were
installed at Saga Healthcare:
4 x Mitsubishi
Electric Air Conditioning Power Inverter Mr Slim PKA-RP100KAL (10kW /
33000 Btu)
which
provided enough cooling for the 15 meter square area and 6 server
racks in the server room with spare cooling capacity in case of
failures. The full replacement of the existing systems with all wall air
conditioning units, instead of a mix of cassettes was a safer option
because when air conditioning unit fails they tend to leak water. If the
water leaks out of a cassette it can drip into the top of important
server equipment, with wall units this limits the leakage to the sides
of the room. These Mitsubishi PKA-RP100KAL can be found worldwide and
have a amazing COP (3.61 x initial electrical input) which means that
every 1000w of electrical energy going in produces 3610 watts of
cooling. For more information on air
conditioning suitability for server rooms visit our advice
page. Server room air conditioning
efficiency and CO2 emissions:
This air conditioning system,
because oversized for the area meant we had spare capacity in case of
any failure on any of the systems. The clients servers held critical
medical data relating patients so could never fail. The bonus of the
extra capacity was that the systems ticked over at sub 50% capacity and
the outdoor inverter units slowed down because the temperature had
been reached, therefore just pumping small amounts of cooling energy in
to maintain the server room. The energy saving was phenomenal and CO2
emissions significantly improved. Why use a Vapac humidifier for
your Server room:
The Vapac humidifier is another
world renowned product for reliable and safe production of humidity for
server rooms, this is ideal when air conditioning is being used as it
counter acts the drying affect air conditioning tends to have on a
area. The Vapac unit can be controlled by a humidistat which gives you
the option of setting the actual humidity percentage for a particular
application. For server rooms there are two reasons why you should have
humidity control. Firstly ASHRAE’s
"Design Considerations for Data and Communications Equipment
Centres" recommends relative humidity conditions between 40% and
55%, with an allowable level between 20% and 80%. If a server
room has a very low humidity the chance of static can rise to problem
levels even with earth strips installed. Secondly if the server room is
worked in by personnel the affect of dry air sub 20% is detrimental to
health, skin and eyes. Power / Heat-Loss Summery:
Server
room efficiency: 85% approximately 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.
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.
Contact Us:Sales Installation and Service
UK: +44 (0)1234 841221
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