Hitachi RPI-4.0FSN4E Service Manual

5 Control system
197
5
SMGB0077 rev.0 - 01/2013
5.1.9 Printed circuit board for KPI complementary systems
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.
PCB1 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 Green PCB power supply
PCB2 LED indicator
LED1 Yellow H-LINK transmission 1
LED2 Green PCB power supply
LED3 Yellow H-LINK transmission 2
PCB1 Connector indication
PCN1 230V transformer
PCN2 Not used
PCN3 Operation signal for electric heater installation
PCN5 Not used
PCN6 Not used
PCN7 TB1 and PCB2
PCN8 Not used
PCN10 Damper
PCN11 Not used
THM1 Air outlet thermistor
THM2 Air inlet thermistor
THM3 Liquid pipe thermistor
THM4 Not used
THM5 Gas pipe thermistor
CN1 Transformer
CN2 TB1 and PCB2
CN3 Not used
CN5 Not used
CN7 Not used

Hitachi RPI-4.0FSN4E Specifications

General

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