Hitachi RCI-4.0FSR - Printed Circuit Board for RPI(L;H)-(0.4-6.0)FSRE (PI161)

4 Control system
Printed circuit board for RPI(L/H)-(0.4-6.0)FSRE (PI161)
SMGB0137 rev.0 - 05/2021
82
4.5 Printed circuit board for RPI(L/H)-(0.4-6.0)FSRE (PI161)
THM4 PCN6
TP CN33
CN14
CN4
CN8
CN7HA
CN7CN3
L3
LED5
LED6
LED1
LED3
LED4
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
LED5 Red
PCB power supply high
voltaje
LED6 Green Not used
Connector indication
CN36 Drain pump
PCN7 Printed circuit board 2
THM1 Air inlet thermistor
THM2 Air outlet thermistor
THM3 Liquid pipe thermistor
THM4
Optional connector (for remote
temperature sensor)
THM5 Gas pipe thermistor
CN2 Terminal board
CN3 Optional input functions
CN7 Optional output functions
CN8 Optional output functions
CN11 Expansion valve
CN14 Float switch
CN36 Drain pump
EFR1 Power supply fuse
EF2 PCB1 fuse
Switch indication
DSW3 Capacity code
DSW4 Unit model code
DSW5,
RSW2
Refrigerant cycle number
setting
DSW6,
RSW1
Indoor unit number setting
DSW7 Fuse recovery
DSW8 Additional functions
DSW9 Optional function