Bosch Climate 5000 Series Service Manual page 44

4 4 | Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units
Note:
Use a multimeter to test the DC voltage between black pin and white pin
of signal wire. The normal value should be around 5V.
Figure 47
Data subject to change
Use a multimeter to test the DC voltage between black pin and red pin of
signal wire. The normal value should be around 12V.
Figure 48
Service Manual
08.2020 | Bosch Thermotechnology Corp.