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M-SV-VT-001-EN Rev. A
Compressor Removal and Installation
7.2 Compressor Removal
1. Close the suction, discharge, and economizer isolating valves as appropriate.
2. Close the motor-cooling liquid line shut-off valve.
3. Manually open the EXV. Refer to the “Motor Cooling EXV Assembly” section.
4. Connect a refrigerant recovery system to the compressor as per industry-standard procedures
and transfer the refrigerant to an appropriate containment vessel.
1. Isolate the Compressor and VFD power as described in the “Electrical Isolation of the
Compressor/VFD” section of this manual.
2. Remove the Motor Power Cover.
3. Remove the M10 nuts, flat washers, and lock washers off the top of the copper spacers.
4. Remove the motor power cables. Protect/isolate the cable ends.
5. Remove the three (3) copper spacers.
6. Remove the ground wire from the ground post.
7.1 Refrigerant
Containment
• • • CAUTION • • •
Isolation and recovery of the refrigerant must be performed by a qualied service technician
adhering to industry/ASHREAE standards.
• • • CAUTION • • •
Ensure that there is no secondary power source connected to the compressor before disconnecting
the following cables:
Figure 200 - Compressor
Assembly