Bosch Climate 5000 Series Service Manual page 80

8 0 | Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units
7. Disconnect the connectors and wires connected the PCB from other parts.
Connectors:
CN17: T3/T4 Temperature sensor (2p/2p,white)
CN7: Discharge temperature sensor (2p,white)
CN15:T2B-A,B,C temperature sensor (2p/2p/2p,white)
CN18/CN19/CN22: Electronic expansion valve A,B,C
(6p/6p/6p,red/red/red)
CN25/CN23/CN20: S-A,S-B,S-C (3p/3p/3p,white/white/white)
Wires:
CN1/CN2: 4-way valve (blue-blue)
CN5/CN6: Crankcase heating cable (red-red)
CN3:L1-IN (red)
CN4:L2-IN (black)
CN17 CN15 CN7
CN1/CN2
Figure 119
Data subject to change
CN18/CN19/CN22
CN20
CN23
CN25
CN3
CN4
CN5/CN6
8. Disconnect the grounding wire (yellow-green).
Figure 120
9. Remove PCB.
Service Manual
08.2020 | Bosch Thermotechnology Corp.