Mitsubishi Electric PLFY-P32VBM-E Service Manual page 26

9-3. TEST POINT DIAGRAM
9-3-1. Indoor controller board
PLFY-P32/40/50/63/80/100/125VBM-E.UK
CN60
Linear expansion valve (LEV)
output
12VDC pulse output
CN4Y
i-See sensor
CN52
Remote indicator
CN51
Centrally controlled
CN44
Pipe temperature thermistor
1 1 -2 2 : Liquid (TH22)
3 3 -4 4 : Gas (TH23)
CN4F
Drain float switch (FS)
CN20
Room temperature
thermistor (TH21)
CN27
Damper signal output
12VDC(1 1 : +)
CN3G
Auto grille signal output
CN90
Connect to the wireless
remote controller board
(W.B)
LED1
Main power supply
(Indoor unit : 220-240V)
CNMF
Connect to the
fan motor (MF)
1 1 -4 4 : DC310~340V
5 5 -4 4 : DC15V
6 6 -4 4 : DC0~6V
7 7 -4 4 : DC0 or DC15V (Stop)
DC7.5V (Operation)
(12VDC pulse)
CNP
Drain pump output (DP)
1 1 -3 3 : 220-240VAC
CNAC
Auto grille power
(220-240VAC)
PLFY-P32/40/50/63/80VBM-E
26
.UK
1
CN6Y
i-See sensor motor output
12VDC pulse output
CN3A
Connect to the terminal block (TB15)
(MA-Remote controller connecting wire)
1 1 - 3 3 : 8.7-13V DC (Pin1 1 (+))
CNV
vane motor output
12VDC pulse
CN32
Remote switch
Jumper wire J41, J42
Pair No.setting for wireless
remote controller
LED2
Power supply for
MA-Remote controller
SW3
Function setting
SW4
Model selection
SWE
Test run(Drain pump)
SW2
Capacity setting
CN2M
Connect to the terminal block (TB5)
(M-NET transmission connecting wire)
24-30VDC (non-polar)
CND
Power supply for indoor
controller board
3 3 - 5 5 : 220-240VAC
FUSE
6.3A 250V