Bosch BMS500-AAU036-1AHCXC - Page 59

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Service Manual
Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units (01.2023)
Figure 60
IPM Board
(for 18K & 27K models)
Figure 61
P(or E1/E2/E3) -N(GND)
Bridge rectifier
(for 18K & 27K models)
Remark:
Measure the DC voltage
between + and - port. The
normal value should be between
190V~250V.
(for 18K & 27K models)
Bridge rectifier
(for18K & 27K models)
IPM Module
(for 18K & 27K models)