Sumitomo SRDK Series - Page 95

TECHNICAL INSTRUCTION Sumitomo Heavy Industries, Ltd.
CSW-71C 7
1-2 CONSTRUCTION
Table 1.3 CONTROLS AND COUPLINGS FOR CSW-71C COMPRESSOR UNIT
(Continued)
10
COLD HEAD CONNECTOR :
(JC)
To use for connecting the Cold Head Cable to supply a Cold Head
driving power.
11
EXTERNAL CONNECTOR :
(JR)
To use for the external signal output of condition monitoring f
or the
compressor unit. The connector to be “D-
Sub 15 Pins (Female type)” in
use.
Warning;
Pay special attention to its wiring when using the external connector on
the Compressor Unit.
Connecting a jumper wire between Pins No.6 - No.8, No.6 - No.13 an
d
No.6 - No.15 may result in misoperation in some of safety devices in
the equipment, causing electric shock, burn or malfunction.
12 HE-GAS SUPPLY CONNECTOR To use for connecting a Flex Line (for Supply He-gas line)
13 HE-GAS RETURN CONNECTOR To use for connecting a Flex Line (for Return He-gas line)
14 HE-GAS CHARGE CONNECTOR To use for charging and refilling a He-gas.
15
COOLING WATER INPUT
CONNECTOR
A connector for cooling water inlet. (PT3/8 inch, Female type)
16
COOLING WATER OUTPUT
CONNECTOR
A connector for cooling water outlet. (PT3/8 inch, Female type)