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Preparation For Commissioning - LG RCWW Operation & Maintenance Manual

Water-cooled screw chiller
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6. Commissioning

6-2. Preparation for Commissioning

Get Ready for Commissioning
• We refer the task carried out before the initial operation after bringing in and installing the chiller, or re-operation
after stopping the operation for a long time(more than a month) as "Get Ready for Commissioning".
• Commissioning preparation work is the most fundamental and a very important task conducting the maintenance or
repair work at least once a year after delivery and installation of the Chiller.
Checking the leakage area in the machine
It is recommended to follow the leak test procedure as shown in Table 4-2.
Please refer to the refrigerant temperature/pressure values in Table 4-3.
Tightness test
Vacuum and shelf test
Refrigerant charging
Insulation resistance test
Starter panel ~Control
panel operational test
Check safety devices
Figure 53 Get Ready for Commissioning procedure
Exception : In the case
that the refrigerant was
charged in the Chiller
at the factory



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