Hitachi RCI-4.0FSR - Printed Circuit Board for RPF(I)-FSN2 E Units (PI073)

4 Control system
Printed circuit board for RPF(I)-FSN2E units (PI073)
SMGB0137 rev.0 - 05/2021
87
4
4.9 Printed circuit board for RPF(I)-FSN2E units (PI073)
PCB1
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
PCB1 Connector indication
PCN1 230V transformer
PCN2 Internal thermostat for indoor fan motor
PCN7 Terminal board 1 (TB1)
PCN8 Capacitor for indoor fan
PCN10 Motor for indoor fan
PCN11 Motor for indoor fan
THM1 Air inlet thermistor
THM2 Outlet air thermistor
THM3 Liquid pipe thermistor
THM4 Optional connector (for remote temperature sensor)
THM5 Gas pipe thermistor
CN1 Transformer 12V
CN2 TB2
CN3 Optional input functions
CN7 Optional output functions
CN8 Optional output functions
CN11 Expansion valve
CN14 Bridge
EFR1 Power supply fuse
EF2 PCB fuse
EF3 Fuse for PCN5 connector
Switch indication
DSW3 Capacity code
DSW4 Unit model code
DSW5,
RSW2
Refrigerant cycle number setting
DSW6,
RSW1
Indoor unit number setting
DSW7 Fuse recovery