Service
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7 Service
7.1 Inspection
7.1.1 Function check
If the application is being inspected for other reasons, the following points can be checked:
1. Is the oil level regulator complete and mechanically undamaged?
•
Replace oil level regulator if necessary.
2. Is the sight glass filled up to half?
•
See Chapter Malfunctions and Troubleshooting.
3. Is the oil level regulator still properly mounted; are the connections sealed?
•
Tighten the mounting screws if necessary.
7.2 Maintenance
7.3 Cleaning
7.3.1 INT280 B
7.3.2 "INT280-xxx"
1. Switch the system free of voltage.
2. Evacuate the refrigerant compressor.
3. Depressurise oil connection.
4. Remove the oil level regulator.
5. Clean the glass prim with a soft cloth.
KRIWAN oil level regulators are maintenance-free and therefore there are no fixed inspection
intervals specified for them.
The device is maintenance-free.
Replace the oil level regulator if there is a malfunction.
No special cleaning measures necessary.
The oil level regulator cannot be cleaned at the parts that determine the function.
Replace the oil level regulator if there is a malfunction.
If the oil level regulator signals that it is soiled, it can be removed and the glass prism can be cleaned
with a soft cloth.
Electric shock
• Touching live parts can lead to serious to fatal injuries.
 Work on the electric equipment may only be carried out by electricians.
 Disconnect the current from the respective part of the system before the disassembly.
Pressure in the compressor
• Working on pressurised parts can cause serious to fatal injuries.
 Work on the pneumatic equipment may only be carried out by refrigeration technicians.
 Depressurise the respective part of the system before installation or disassembly.
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