Hitachi UTOPIA RAS-4HVRP2E Service Manual page 76

4 Electrical and control settings
Electrical wiring diagrams
Mark
MC Motor for Compressor
MOF Motor for Outdoor Fan
RVR Reversing Valve Relay
EFR1,
Fuse on PCB
PF1,3
Micro-Computer Control
MV1
Expansion Valve
TB1 Terminal Board
PCB1,2 Printed Circuit Board
THM7~10 Thermistor
PSH High Pressure Switch for Protection
PSC Pressure Switch for Control
CH Oil heater
ACL Reactor
IPM Inverter System Power Module
NF1 Noise Filter
PSW1~3,351
DSW1~7,301, 302 Setting Switch on PCB
RSW1
Indication Lamp for
SEG1
7-Segment
LED1~3
LED351,353 Indication Lamp
LD1~4
74 SMGB0136 rev.0 - 07/2021
Name