Hitachi RCIM-0.6FSN4 Service Manual

5 Control system
Printed circuit boards for RCD-FSN3 indoor units
SMGB0099 rev.0 - 12/2016
188
5.3 Printed circuit boards for RCD-FSN3 indoor units
The indoor unit PCB operates with ve types of DIP switches and two rotary switches. The position is as follows:
PCN7 EF2
CN2
CN3
CN4CN14
CN5CN7CN8CN36
CN1
CN28
CN33
THM5THM4
THM3
THM2
THM1
CN6
CN10
CN11
EFR1
CN34
CN17
CN37
DSW3
DSW6
DSW5
HA
DSW4
DSW9
DSW7
RSW1
RSW2
PCN4
PCB1 (RCD-(0.8-6.0)FSN3
CN4
EF2
DSW1
CN1
CN2
EFR1
PCN1
PCB1 (RCD-(4.0-6.0)FSN3
LED indicator
LED1 Red This LED indicates the transmission status between the indoor unit and the remote control.
LED3 Yellow This LED indicates the transmission status between the indoor unit and the outdoor unit.
LED4 Red PCB power supply
Connector indication
PCN1 220 V transformer
PCN7 Power supply (1-R, 3-S)
THM1 Air inlet thermistor
THM2 Air outlet thermistor
THM3 Freeze protection thermistor
THM4 Remote thermistor
THM5 Gas pipe thermistor
CN1 Connector for Indoor motor fan
CN2 Connector to PCB1
CN3 Optional input functions
Connector indication
CN7 Optional output functions
CN8 Optional output functions
CN10 Optional connector (for motion sensor)
CN33 Connector to PCB2
CN17 Swing louver motor 4
CN4~6
Reserved connectorsHA
PCN4
EFR1 Fuse
EF2 PCB2 fuse
Switch indication
DSW3 Capacity code
DSW4 Unit model code
DSW5, RSW2 Refrigerant cycle number
DSW6, RSW1 Unit number setting
DSW7 Fuse re-establishing

Hitachi RCIM-0.6FSN4 Specifications

General

Brand	Hitachi
Model	RCIM-0.6FSN4
Category	Air Conditioner
Language	English