Compressor replacement
Split ODU – 6 720 817 722 (2015/06)
35
4
Compressor replacement
1. Disconnect the unit from power supply.
2. Detach the motor plug from the compressor.
3. Remove the sound proof covering the faulty compressor.
4. Pump out the refrigerant completely.
5. Disconnect the brazing sections of the suction pipe by using brazing
torch.
6. Remove the three nuts at cushion rubber section to take out the
faulty compressor outside the unit.
7. Install the new compressor in the unit. Be sure to insert the cushion
rubbers before tightening the fixing nuts of the compressor.
8. Remove the rubber caps put on the suction and discharge pipes of
the new compressor to release the sealing nitrogen gas.
9. Braze the suction and discharge pipe to the compressor with brazing
torch.
10.Conduct air tight test to check that the piping system is free from
leakage.
11.Re-connect the power cable to the terminal board of the
compressor.
12.Attach the sound-proof covering to the compressor.
13.Conduct vacuum suction.
14.After completion of vacuum, open the service valves.
15.Charge the unit with the correct amount of refrigerant.
Fig. 33 Compressor replacement
[1]
Insert the sound proof counter-clockwise
[2]
Suction pipe
[3]
Discharge pipe
2
3
1
6 720 817 722-30.1I
