Hitachi RCI Service Manual page 177

5 Control system
PCN1
PCN5
PCN6
PCN7
PCN201
PCN202
PCN203
THM1
THM2
THM3
THM4
THM5
CN1
CN2
CN3
CN4
CN7
CN8
CN11
CN14
CN17
CN201
EFS1
EFR1
EF1
EF4
DSW3
DSW4
DSW5, RSW2
DSW7
DWS6, RSW1
165
SMGB0063 rev. 1 - 10/2010
Connector indication
Electric heater for dew protection
Transformer (pins 1-2: 17.3 V/pins 3-4: 20.8 V)
Outdoor unit H-LINK II control circuit
Switch indication
220 V transformer
Drain pump motor
Power supply (1-R, 3-S)
Power supply (1-R, 3-S)
Power supply (1-R, 3-S)
DC motor control
Air inlet
Air outlet
Liquid pipe
Remote thermistor
Gas pipe
Optional input functions
Not used
Optional output functions
Optional output functions
Expansion valve control
Float switch
Swing louver motor 4
PCB1 connection
PCB2 fuse
PCB2 fuse
PCB1 fuse
PCB1 fuse
Capacity code
Unit model code
Refrigerant cycle number
Fuse re-establishing
Indoor unit number settings
5