OPERATION MANUAL Sumitomo Heavy Industries, Ltd.
SRDK Series CRYOCOOLER 4
SAFETY PRECAUTIONS
“WARNINGS”
<Warning about electric shock>
This cryocooler includes a high-voltage section. Touching it may result in electric shock. Handle it with
extreme care.
Make sure no power is applied to the compressor unit before starting the installation. Failing to observe this
precaution may result in electric shock.
Do not install the equipment near places subject to condensation such as a watering place. Failing to
observe this precaution may result in electric shock or malfunction.
Do not install the equipment in a dusty environment. Failing to observe this precaution may result in electric
shock or malfunction.
Make sure the power specification of the cryocooler used conforms to the customer's power supply before
using the equipment. Using the cryocooler with a non-conforming power supply may result in electric shock
or malfunction.
If the compressor unit used is the CSW-71D (water cooled, high voltage type), pay attention to the setting of
the applicable input supply voltage. The product is shipped with the input supply voltage set to 480V.
Before installing the equipment, be sure to check your supply voltage and change it to the appropriate setting
if necessary. Operating the equipment with your supply voltage different from the setting of the compressor
unit may result in electric shock or malfunction.
Make sure no power is applied to the compressor unit before starting operation when connecting or
disconnecting the cold head power cable. Failing to observe this precaution may result in electric shock.
Be sure to turn off and Lock Out with OFF position the main power of the customer's power source before
connecting or disconnecting the input power cable to the Compressor Unit, and then remove the input power
cable from the main power. Failing to observe this precaution may result in electric shock.
Do not change the setting of the dial above the main power switch of the compressor unit under any
circumstances. Failing to observe this precaution may result in electric shock.
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 and No.6 - No.15 may result in misoperation in some of
safety devices in the equipment, causing electric shock, burn or malfunction.
Be sure to turn off and Lock Out with OFF position the customer's main power before performing
maintenance work such as replacement of fuses. Failing to observe this precaution may result in electric
shock.
WARNING
To Next Page
Loading...
