Mitsubishi Electric e Series Service Handbook page 157

[ IX Troubleshooting ]
Main Compressor Replacement Instructions
1
2 2
3 3 3
4 4 4
5
HWE1417B
Decoration panel SR
Panel SR
Panel F
Control box
Pi Pipe connections
Fixing screws Fixing screws
Fixing screws Fixing screws
1. Switch off the power of the unit.
Before collecting refrigerant from the unit, drain water from the
plate heat exchanger to keep the water from freezing and
damaging the unit.
2. Collect the refrigerant.
1. Remove the decoration panel SR and panels SR and F on the
front of the unit.
1. Remove the control box.
1. Remove the belt heater and the wires.
2. Debraze the pipe connections at two locations.
3. Unscrew the four fixing screws, and remove the compressor.
4. Install the new compressor.
5. Connect the pipes by brazing.
6. Re-place the belt heater and the wires.
1. Re-place the control box.
2. Re-place the decoration panel SR and panels SR and F.
3. Charge the unit with refrigerant.
- 148 -
GB