Mitsubishi Electric PLFY-P20VCM-E2.TH Technical & Service Manual page 21

8-3. TEST POINT DIAGRAM
8-3-1. Indoor controller board
PLFY-P20VCM-E2.TH
PLFY-P32VCM-E2.TH
CN2M
Connect to the terminal block (TB5)
(M-NET transmission connecting wire)
24-30V DC (non-polar)
CN2D
Connect to the indoor
power board (CN2S)
12.5-13.7V DC (Pin1 (+))
LED1
Main power supply
(Indoor unit : 220-240V)
CNDK
Connect to the indoor power
board (CNSK)
Between 1 to 3 220-240V AC
CNP
Drain pump output (DP)
Between 1 to 3 220-240V AC
FUSE
6.3A 250V
CND
Power supply for
indoor controller board
Between 1 to 3 220-240V AC
FAN
Fan motor output (MF)
PLFY-P25VCM-E2.TH
PLFY-P40VCM-E2.TH
CN3A
Connect to the terminal block (TB15)
(MA-Remote controller connecting wire)
Between 1 to 3 8.7-13V DC (Pin1 (+))
CN27
Connector
(Damper)
21
CN25
CN32
Connecter(Humidifier)
Connector
(Remote switch)
LED2
Power supply for
MA-Remote controller
CN29
Pipe temperature
detection/Gas (TH23)
CN21
Pipe temperature
detection/Liquid (TH22)
CN20
Room temperature
detection (TH21)
SW11
Address setting
1s DIGIT
CN31
Drain sensor (DS)
SW12
Address setting
10ths DIGIT
SW14
Branch No.
CN60
Linear expansion valve
output (LEV)
CN6V
Vane motor output (MV)
CN90
Connect to the wireless
junction cable
CN52
Remote indication
CN51
Centrally control
SW4
Model selection
SW3
Function setting
SW1
Model selection
SW2
Capacity setting
Jumper wire J41, J42
Pair No. setting for
wireless remote controller