OPERATION MANUAL Sumitomo Heavy Industries, Ltd.
SRDK Series CRYOCOOLER 18
2-4 SITE REQUIREMENT
2-4 SITE REQUIREMENT
<Caution against misoperation>
Do not use inverter for the main power source of the compressor unit. Operating with inverter
may result in the damage or malfunction of the compressor electric circuit.
Avoid using the transformer for the main power source of the compressor unit. If the
transformer is installed at the upstream of the unit, lacking phase protection circuit with the
cryocooler occurs in a malfunction. That may result in misoperation or malfunction. When
using the transformer, install the other lacking phase protection device in upstream of the
transformer.
Secure enough space around the compressor unit for heat radiation and maintenance. Failing
to secure enough space may result in misoperation or malfunction. (See the technical
instruction of the compressor unit used, for details.)
If the compressor unit used is the CSA-71A (air cooled, low voltage type), sufficient space is
required for venting. Failing to secure sufficient space may result in misoperation or
malfunction. (See the CSA-71A technical instruction, for details.)
If the compressor unit used is the CSA-71A (air cooled, low voltage type), it should be installed
in a clean environment. Installing it in a dusty environment such as inside a factory will require
frequent cleaning of the cooler fins or may result in misoperation or malfunction.
If the compressor unit used is a water-cooled type (CSW-71C, CSW-71D), use cooling water
with appropriate temperature, flow rate and water quality. Using inappropriate cooling water
may result in misoperation or malfunction. (See the technical instruction of the compressor unit
used, for details.)
If the compressor unit used is a water-cooled type (CSW-71C, CSW-71D), do not use the
demineralized water for cooling water. Using demineralized water for cooling water may result
in water leakage or malfunction.
“IMPORTANT”
See “TECHNICAL INSTRUCTION” of Compressor Unit used, for detail of Site Requirement.
The Compressor Unit can be installed at the field as complying with the Site Requirement;
CAUTION
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