OPERATION MANUAL Sumitomo Heavy Industries, Ltd.
SRDK Series CRYOCOOLER 19
2-4 SITE REQUIREMENT
2-4-1 REQUIRED FOR AIR COOLED COMPRESSOR UNIT
・An almost level and even area in the field will be selected to install the Compressor Unit.
・An area to be influenced by splashing water and/or dusts will not be selected to install the Compressor
Unit.
・A clean environmental condition without dirt and/or free from an exhausted heat will be selected to install
the Compressor Unit in the field.
・An efficient ventilated area will be required to free from an exhausted heat of the Compressor Unit in the
field.
・A suitable air conditioning capacity will be secured for an installing area for the Compressor Unit in the
field.
・Any object and/or obstacle cannot be positioned on a ventilation fan outlet in a top area of the enclosure
and/or on surroundings of the Compressor Cooler.
・Any heat sensitive object cannot be positioned on surroundings of the Compressor Unit.
AMBIENT TEMPERATURE CONDITION
The ambient temperature must be between 5 deg.C (41 deg.F) and 28 deg.C (82.4 deg.F) to get the
specified cooling capacity. The system can operate up to 35 deg.C (95 deg.F) with less than 5%
cooling capacity down. The maximum relative air humidity is 85%RH.
HELIUM SUPPLY SYSTEM
A helium supply system is necessary if you need to decontaminate the helium gas, or or charge the
helium gas that has leaked out of the system. A helium supply system includes a Grade 5 (99.999%
up pure) helium gas bottle, a regulator, an outlet valve, and a charging hose or equivalent delivery line.
POWER SOURCE
Ensure the correct AC power source is available for the Compressor Unit. See “TECHNICAL
INSTRUCTION” of CSA-71A, for AC power source requirement.
SAFETY / SEISMIC REQUIREMENT
Secure to lock the locking device of compressor castor.
SERVICE AREA
Air-cooled Compressor Unit should have enough space for air-flow as shown in “TECHNICAL
INSTRUCTION” of CSA-71A.
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