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9-3. TEST POINT DIAGRAM
9-3-1. Indoor controller board
PLFY-P20VCM-E.TH
PLFY-P25VCM-E.TH
PLFY-P32VCM-E.TH
PLFY-P40VCM-E.TH
LED1
Main power supply
(Indoor unit : 220-240V)
CND
Power supply for
indoor controller board
Between
1
1
to
3
3
220-240V AC
CNP
Drain pump output (DP)
Between
1
1
to
3
3
220-240V AC
FUSE
6.3A 250V
CNDK
Connect to the indoor power
board (CNSK)
Between
1
1
to
3
3
220-240V AC
FAN
Fan motor output (MF)
CN2D
Connect to the indoor
power board (CN2S)
12.5-13.7V DC (Pin
1
1
(+))
CN2M
Connect to the terminal block (TB5)
(M-NET transmission connecting wire)
24-30V DC (non-polar)
CN3A
Connect to the terminal block (TB15)
(MA-Remote controller connecting wire)
Between
1
1
to
3
3
8.7-13V DC (Pin
1
1
(+))
CN29
Pipe temperature
detection/Gas (TH23)
CN21
Pipe temperature
detection/Liquid (TH22)
LED2
Power supply for
MA-Remote controller
SW4
Model selection
CN60
Linear expansion valve
output (LEV)
CN31
Drain sensor (DS)
SW3
Function setting
CN51
Centrally control
SW2
Capacity setting
CN52
Remote indication
CN6V
Vane motor output (MV)
CN20
Room temperature
detection (TH21)
CN32
Connector
(Remote switch)
CN25
Connecter(Humidifier)
CN27
Connector
(Damper)
OC314--1.qxp 04.8.27 11:44 Page 23