Hitachi RCI-1.0FSN3 Service Manual page 208

5 Control system
LED1
LED3
LED4
PCN500
PCN550
THM1
THM2
THM3
THM4
THM5
CN2
CN3
CN5A
CN5B
CN7
CN8
CN10
CN11
CN14
CN17A
CN17B
CN18
CN19A
CN19B
HA
DSW3
DSW4
DSW5, RSW2
DWS6, RSW1
DSW7
DSW9
196
SMGB0077 rev.0 - 01/2013
LED indicator
This LED indicates the transmission status between the indoor unit
Red
and the remote control.
This LED indicates the transmission status between the indoor unit
Yellow
and the outdoor unit.
Green PCB power supply
Connector indication
Motor for indoor fan
Air inlet thermistor
Air outlet thermistor
Freeze protection thermistor
Gas piping thermistor
Micro-computer control expansion valve
Motor for automatic swing louver
Motor for automatic swing louver
Switch indication
Unit model code
Refrigerant cycle number
Indoor unit number settings
Fuse re-establishing
TB1
Not used
TB2
Not used
Not used
PCB3
Not used
Not used
PCB4
Not used
PCB2
PCB2
PCB2
Not used
Capacity code
Not used