Mitsubishi Electric Mr.SLIM PLA Series Service Manual page 31

9-7. TEST POINT DIAGRAM
Indoor controller board
PLA-ZRP100BA
LED3
Transmission (Indoor/outdoor)
CN90
Connect to the wireless
remote controller board (CNB)
CN4Y
i-see sensor
CN6Y
i-see sensor motor output
12V DC pulse output
CN105
LED2
Power supply (R.B)
CN4F
Drain float switch (FS)
CN44
Pipe temperature
thermistor
1-2 : Liquid (TH2)
3-4 : Condenser/Evaporator(TH5)
CN20
Room temperature
thermistor (TH1)
LED1
Power supply (I.B)
CNMF
Fan motor
1-4: DC 310~340V
5-4: DC15V
CNP
Drain-pump output (DP)
(220-240V AC)
CNAC
Connect to the auto grille
controller board (CN3A)
(220-240V AC)
OCH529
CN3G
Connect to the auto grille controller board (CN3G)
13V pulse output
FUSE 6.3A /250V
31
CNV
Vane motor output (MV)
12V pulse output
SW1
Model selection
SW2
Capacity setting
CN2L
Connector (LOSSNAY)
Jumper wire J41,J42
Pair No. setting for wireless
remote controller
CN51
Centrally control
1-2 : Control signal
13V pulse input (1: +)
3-4 : Operation indicator
13VDC (3: +)
3-5 : Malfunction indicator
13VDC (3: +)
CN41
Connector
(HA terminal-A)
CN32
Connector
(Remote switch)
SWE
Emergency operation
CN3C
Transmission
(Indoor/outdoor)
(0~24V DC)
CN22
Connect to the terminal
block (TB5)
(Remote controller con-
necting wire)
(10.4~14.6V DC)
V : Voltage between pins of
CC
C955 15VDC
(Same as 5(+)–4(-) of CNMF)
CN01
Connect to the Terminal Block (TB4)
(Indoor/outdoor connecting line)
Between 3 and 5
220-240V AC