Page 2 - Cannon Cool Rear Door Cooling Unit

cabinet.
fans open.
principle:-
automatic).
TITLE
maximised.
conditions:-
(not included).
ASHRAE 2009b
where applicable.
DC0652
minimised within reason.
coil by high efficiency fans.
point), (5.5C dew point at low end).
circulating counter currently in the coil.
cause a hazard to persons and equipment.
condensate pump may be fitted if required.
All unused rack space should be blanked off.
low voltage directive / SELV where appropriate.

2 of 8
remove water vapour as condensate when the humidity level is high.
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Rear Door Cooling Unit
ISO 14644-1 Class 8 dust and particulates standard should also be met.
main system chiller loop though a variable flow control valve (optional
Thermal Guidelines for Data Processing Environments, Second Edition,
Cannon Water Cooling solutions work on the air to water heat exchanger
The now cold air is carried out of the coil and blown into the cold aisle or
Any installations must meet local building and electrical supply regulations
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The water that has been warmed by the heat exchanger coil is returned to the
The climate inside a data center should meet the standards set by ASHRAE:-
The Computer room should be sealed from outside heat sources and fresh air
Performance of the system is dependant on many climatic and environmental
Cannon equipment is designed and built to comply with BS EN60950 and the
Warm air from a cabinet, room or aisle is forced through a heat exchanger fan
Cannon computer rack cabinet / aisle water cooling systems are not traditional
taken to the sides of equipment to keep the airways to and from the equipment
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The heat in the warm air will naturally dissipate into the fins of the coil as they
air conditioners, they do not regulate humidity. In humid atmospheres they will
1
In some situations the room humidity may be too low, and static electricity may
Technical Overview
The condensate drain should be run to a normal gravity drain sump. An optional
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Rear Door Cooling Unit
Water /Air Cooling Unit
Cannon Cool
Plenum
19" equipment
19" equipment
19" equipment
19" equipment
10/01/11
being drawn in to the rear door cooling unit, then cold
air blown into the plenum to start the cycle over again.
with cool air rising from the plenum,being drawn through
the 19" equipment ,warm air off the rear of the equipment
Air Flow: The above picture shows the airflow path starting