Vertiv™ | Liebert® SRC-G | User Manual 70
System Operation and Maintenance
6.3.4. Compressor
The compressor fault is generally classified into two types:
1. Motor failure (such as winding burnout, insulation failure, short-circuit between coils and so on)
2. Mechanical failure (such as compressing failure, relief valve fault, therm-o-disc fault and so on)
No. Description No Description
1 Outdoor cover plate 2 Location of the compressor
Figure 6-5 Location of Compressor
If the suicient operating pressure is not established, it is an indication of the compressor has failed. It can be
confirmed - if the suction pressure and discharge pressure are balanced, and the motor does not rotate reversely.
The controller of the unit has a powerful alarm and protection functions to ensure safe operation of the
compressor. The maintenance personnel should record the high pressure and the low pressure, and find out the
cause of an alarm protection during periodical maintenance and inspection.
Avoid touching or contacting the residual gas and oils in compressor with exposed skin. Wear long rubber
gloves to handle contaminated components.
Check the following particulars before replacing the compressor
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