OPERATION MANUAL Sumitomo Heavy Industries, Ltd.
SRDK Series CRYOCOOLER 11
1-1 GENERAL INFORMATION
1 INTRODUCTION
1-1 GENERAL INFORMATION
This manual provides instructions for initial inspection, installation, operation and service for the
component of SRDK Series Cryocooler system in Table 1.1.
Table 1.1 CRYOCOOLER MODELS COVERED IN THIS MANUAL
COMPONENT MODEL
COLD HEAD
RDK-408D2
RDK-408D 4K COLD HEAD
RDK-415D
RDK-408S2
10K COLD HEAD
RDK-408S
SINGLE STAGE COLD HEAD RDK-400B
COMPRESSOR UNIT
AIR COOLED (Low Voltage) CSA-71A
WATER COOLED (Low Voltage) CSW-71C
WATER COOLED (High Voltage) CSW-71D
FLEX LINE*
20 A x 6 m (19.7 feet)
20 A x 20 m (69.6 feet) SUPPLY (Female - Female)
20 A x 6 m (19.7 feet) + Buffer Tank
20 A x 6 m (19.7 feet)
20 A x 20 m (69.6 feet) RETURN (Female - Female)
20 A x 6 m (19.7 feet) + Buffer Tank
COLD HEAD POWER CABLE
6 m (19.7 feet)
* To operate the RDK-415D and RDK-400B (including the special flange model) with specified cooling capacity, use
the 20A x 20m flex line or 20A x 6m flex line + Buffer Tank.
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