Bosch Climate 5000 Series Service Manual page 70

7 0 | Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units
Service Manual
5. EXV check
Step 1. Disconnect EXV connectors from PCB
Figure 78
Step 2. Check the resistance value on EXV coil
Color of lead wire Normal Value
Red- Blue
Red - Yellow
About 50
Brown-Orange
Brown-White
Table 38
Data subject to change 08.2020 | Bosch Thermotechnology Corp.