Mitsubishi Electric PCA-RP71HAQ Service Manual page 24

9-6-2. Indoor controller board
PCA-RP71HAQ
CN3C
Transmission
(Indoor/outdoor)
(0~24V DC)
CND
Power
supply input
(220~240V AC)
FUSE
(6.3A 250V)
CNDK
Connect to the indoor
power board (CNSK)
(220~240V AC)
CNP
Drain-pump output
(DP)
(220~240V AC)
CNC
Dew prevention
heater (H2)
(220~240V AC)
FAN
Fan motor output
PCA-RP125HAQ
CN2D
Connector to the indoor
power board (CN2S)
(12.5~13.7V DC)
LED1
Power supply
(I.B)
–
SWE
Emergency operation
24
LED3
LED2
Transmission
Power supply
(Indoor/outdoor)
(R.B)
CN22
} Remote controller
connecting wire
–
(10.4~14.6V DC)
CN20
Room temperature
thermistor (TH1)
CN21
Pipe temperature
thermistor/Liquid
(TH2)
CN29
Condenser/evaporator
temperature thermistor
(TH5)
CN31
Drain sensor (DS)
CN90
Connect to the wire-
less remote controller
board (CNB)
CN41
Connector
(HA terminal-A)
CN6V
Vane motor output
(MV)
CN51
Centrally control
1-2 : Control signal
3-4 : Operation indicator
3-5 : Malfunction indicator
CN2L
Connector
(LOSSNAY)
SW1
Model setting
SW2
Capacity setting
13V pulse input (1 : +)
13VDC (3 : +)
13VDC (3 : +)