Hitachi RAS-(3-6)HVNC1(E) Service Manual page 141

4 Electrical wiring
MARK
MC Motor (for compressor use)
M0F1
EF1
RVR
SVA
MV Electronic expansion valve
CMC Mag. Contactor (for compressor use)
TB1
TR1
PCB1
EFR1
EF1,3
EF1
Aux. Relay (for compressor and magnetic
Y52C
Y20A Aux. Relay (for solenoid valve use)
Y20C Aux. Relay (for solenoid valve use)
Y21SW Aux. Relay (for 4 way solenoid valve use)
YCH Aux. Relay (for oil heater use)
DM1
THM7 Thermisor (for outdoor temperature use)
THM8 Thermistor (for piping use)
THM9
127
SMGB0087 rev.0 - 12/2013
NAME
Motor (for fan use
Power fuse
4 way solenoid valve
Solenoid valve
Terminal stand
Transformer
Printed Board
Fuse
Fuse
Fuse
ontactor use)
Diode module
Thermistor (for TD use)
MARK
THM10 Thermistor (for condenser use)
THM Fan thermistor
Pd Pressure sensor (discharge side)
PSH High pressure switch (for protection)
PSL Low pressure switch (for control)
DCL
DIP-IPM Inverter module
NF1-4
PSW1 Switch (for forced defrosting use)
PSW2
Switch (for checking use ())
PSW3
Switch (for checking use ())
DSW1 Switch (for test run use)
DSW2 Switch (for aux. function setting use)
DSW3 Switch (for outdoor capacity setting use)
DSW4 Switch (for refrigerant system setting use)
DSW5
DSW6
RSW1 Switch (for refrigerant system setting use)
CH1,2
DS1,2 Plug-in connector
E1,2
CE1,2 Terminating connector
NAME
Reactor
Noise filter
Switch
Switch
Oil heater
Earth
4