Mitsubishi Electric CRHV-P600YA-HPB Service Handbook page 161

[ IX Troubleshooting ]
4
1 screw
3 screws
5
Clamps
(back)
6
• Inlet water temperature
thermistor (identification
Clamps
tape: none)
• Pipe cover
Clamps
3
• Outlet water temperature
thermistor (identification
Ground wire
tape: brown, 1 piece)
• Pipe cover
HWE1312A
1 screw
<SUB>
control box
<SUB> control
box support plate
3 screws
7 base clamps
<SUB>
compressor terminal
<SUB>
control box
<SUB> control
1 screw
box support plate
<MAIN>
Clamps
2 1
compressor terminal
• Outlet water temperature
thermistor (Identification
tape: brown, 2 pieces)
• Pipe cover
1. Remove the 7 base clamps.
2. Remove the 6 fixing screws of the <SUB> control box support
plate and the 2 mounting screws of the <SUB> control box.
1. Open the <SUB> control box.
2. Disconnect the compressor power wiring of the <SUB>
compressor terminal.
3. Remove the 1 mounting screw of the <SUB> control box and
then remove the <SUB> control box.
4. Remove the 3 clamps securing the wiring to the back of the
<SUB> control box support plate and then remove the <SUB>
control box support plate.
1. Remove the 2 clamps 1 securing the compressor power
wiring connected to the <MAIN> compressor terminal.
2. Remove the 3 clamps 2 securing the water temperature
thermistors and then remove the water temperature
thermistors and pipe covers from the heat exchanger.
3. Remove the 2 clamps 3 securing the high-voltage wiring.
4. Remove the 1 screw securing the refrigerant circuit ground
wiring.
* The removed parts are required as they will be reattached
after replacement of the heat exchanger. Do not throw them
away.
- 154 -
GB