OPERATION MANUAL Sumitomo Heavy Industries, Ltd.
SRDK Series CRYOCOOLER 49
6 TROUBLE SHOOTING FLOW CHART
<Caution against misoperation>
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.)
The cold head drive switch provided with the compressor unit is only used for maintenance. Be
sure to turn it OFF in normal operation. Using the compressor unit with the cold head drive
switch turned ON may result in misoperation or malfunction.
CAUTION
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