Hitachi RPI-4.0FSN4E Service Manual

5 Control system
192
SMGB0077 rev.0 - 01/2013
Connector indication
THM1 Air inlet thermistor
THM2 Air outlet thermistor
THM3 Liquid pipe thermistor
THM4 Not used
THM5 Gas pipe thermistor
THU1 Not used
CN1 Printed circuit board 2
CN2 Terminal board
CN3 Not used
CN7 Not used
CN8 Not used
CN9 Not used
CN11 Expansion valve
CN14 Float switch
CN19 Printed circuit board 2
CN28 Not used
CN33 Not used
CN201 Motor for indoor fan
CN202 Printed circuit board 1
CN203 Printed circuit board 1
EFR1 PCB2 fuse
EF2 PCB1 fuse
HA Not used
TP Not used
Switch indication
DSW3 Capacity code
DSW4 Unit model code
DSW5, RSW2 Refrigerant cycle number
DWS6, RSW1 Indoor unit number settings
DSW7 Fuse re-establishing
DSW8 Additional functions
DSW9 0.6HP capacity setting
5.1.7 Printed circuit board for RPI-(8.0/10.0) FSN3E units
C A U T I O N
Turn off the power supply before setting the DIP switches. If not, the settings will not be valid.
N O T E
• Thesymbol“■”indicatesthepositionoftheDIPswitches.Theguresshowthesettingbeforetransmission
or after selection.
• Ifthe“■”markisnotdisplayed,thisindicatesthatthepositionofthepinisnotaffected.
The indoor unit PCB operates with four types of DIP switches, a slide switch and a rotary switch. The position is as follows:

Hitachi RPI-4.0FSN4E Specifications

General

Brand	Hitachi
Model	RPI-4.0FSN4E
Category	Air Conditioner
Language	English