Bosch Climate 5000 Series Service Manual page 86

8 6 | Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units
4. Remove screw to take out the driver board.
5. Disconnect the connectors and wires connected from PCB and other parts.
Connectors:
CN8: T3/T4 temperature sensor (2p/2p, white)
CN33: Discharge temperature sensor (2p, white)
CN13: T2B-A, B, C, D temperature sensor (2p/2p/2p/2p, white)
CN18/CN17/CN21/CN20: Electronic expansion valve A, B, C, D
(6p/6p/6p, red/red/red)
CN30/CN29/CN28/CN27: S-A, S-B, S-C, S-D (3p/3p/3p/3p,
white)
CN9: High and low pressure switch (2p/2p, white)
Wires:
CN3/CN22: 4-way valve (blue-blue)
CN4/CN40: Crankcase heating cable (black-red)
CN10/CN44: Crankcase heating cable (black-red)
CN1: L1-IN (red)
CN2: L2-IN (black)
CN18/CN17/CN21/CN20
CN8 CN9
Figure 141
6. Remove the right rear panel and disconnect the ground wire (yellow-green).
Data subject to change
Figure 142
7. Remove PCB.
CN30/
CN29/
CN28/
CN27/
Service Manual
08.2020 | Bosch Thermotechnology Corp.