4 Control system
Printed circuit board for RPC-FSR (PI153)
SMGB0137 rev.0 - 05/2021
81
4
4.4 Printed circuit board for RPC-FSR (PI153)
TR1
LED4
L3
LED5
LED1
LED3
LED6
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
TB1 Terminal board (Power)
TB2 Terminal board (Control)
EFR1 Fuse 5A
EF2 Fuse 0.5A
PCB1 Printed circuit board
NF1 Noise lter
THM1 Air inlet thermistor
THM2 Air outlet thermistor
THM3 Liquid pipe thermistor
THM4 Optional connector (for remote temperature sensor)
THM5 Gas pipe thermistor
CN1 Printed circuit board 2
CN2 Terminal board
CN3 Optional input functions
CN7 Aerial connector
CN8 Optional output functions
CN11 Expansion valve
CN14 Float switch
Switch indication
DSW3 Capacity code
DSW4 Unit model code
DSW5,
RSW1
Refrigerant cycle number setting
DSW6,
RSW2
Indoor unit number setting
DSW7 Transmission recovery
DSW9 Optional function