Bosch Climate 5000 Series Service Manual page 81

8.2.2 Electrical Parts
PCB Board 6
1. Remove the screws and unfi x the hooks, then open the electronic control box
cover (5 screws and 2 hooks ).
Figure 113
2. Disconnect the connector for fan motor from the electronic control board.
3. Remove the connector for the compressor.
4. Pull out the two blue wires connected with the four way valve.
5. Pull out connectors of the condenser coil temp. sensor(T3),outdoor ambient
temp. sensor(T4) and discharge temp. sensor(TP).
6. Disconnect the electronic expansion valve wire.
7. Remove the connector for the DR and reactor.
8. Then remove the electronic control board.
Figure 114
Bosch Wall Mounted Ductless Split Air Conditioner / Heat Pump IDU-ODU - BTC 769102301 A (11.2022)
PCB Board 9
1. Disconnect the connector for compressor and release the ground wire(1
screw).
Figure 115
2. Pull out the wires from electrical supporting plate and turn over the electronic
control assembly.
Figure 116
3. Remove the electronic installing box subassembly (4 hooks).
Service Manual
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