Mitsubishi Electric PEA Series Service Manual page 31

9-6-2. Indoor controller board
CN3C
Transmission
(Indoor/outdoor)
(0~24V DC)
Non polarity
CND
Power
supply input
(220~240V AC)
FUSE
(6.3A 250V)
CNDK
Connect to the indoor
power board (CNSK)
(220~240V AC)
CNC
Dew prevention
heater (H2)
(220~240V AC)
CNP
Drain-pump output
(DP)
(220~240V AC)
FAN
Fan motor output
CN2D
Connector to the indoor
power board (CN2S)
(12.5~13.7V DC)
–
SWE
Emergency operation
31
LED1
LED2
Power supply
Power supply
(I.B)
(R.B)
SW2
Capacity setting
LED3
Transmission
(Indoor/outdoor)
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
wireless remote
controller board
(CNB)
CN41
Connector
(HA terminal-A)
CN6V
Vane motor output
(MV)
CN51
Centrally control
CN2L
Connector
(LOSSNAY)
SW1
Model setting