Bosch BMS500-AAU018-1AHDXB - Wiring Diagrams; 18 K Multi Zone Regular System

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Service Manual
Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units (01.2023)
5 Wiring Diagrams
5.1 For Model: 18K Multi Zone Regular System
BMS500-AAM018-1CSXRC
Figure 9
5
Compressor Crankcase Heater
Base Pan Heater
Items listed as OPTIONAL depend on
the specific model installed.