Mitsubishi Electric PCA-A24KA Service Manual page 26

9-7. TEST POINT DIAGRAM
Indoor controller board
PCA-A24KA PCA-A30KA
CN90
Connect to the wireless remote
controller board (CNB)
CN4Y
i-see sensor (option)
CN6Y
sensor motor (option)
LED2
Power supply (R.B)
CN4F
Drain float switch (FS)
(option)
CN44
Pipe temperature
thermistor
- : Liquid (TH2)
- : Cond./Eva. (TH5)
CN20
Room temperature
thermistor (TH1)
LED1
Power supply (I.B)
CN30
Connector (LLC)
CNMF
Fan motor
- : DC 294~325V
- : DC15V
CNP
Drain-pump output (DP)
(208/230V AC) (option)
PCA-A36KA PCA-A42KA
LED3
Transmission
(Indoor/outdoor)
26
CNV
Vane motor output (MV)
12V pulse output
SW1
Model selection
SW2
Capacity setting
Jumper wire J41,J42
Pair No. setting for wireless
remote controller
CN2L
Connector (LOSSNAY)
SWE
Emergency operation
CN51
Connector (Centrally control)
CN41
Connector (HA terminal-A)
CN24
Connector (Back-up heating)
CN22
Connect to the terminal
block (TB5)
(Remote controller con-
necting wire) (10.4~14.6V DC)
CN3C
Transmission
(Indoor/outdoor)
(0~24V DC)
V : Voltage between pins of
CC
C955 15VDC
(Same as (+)– (-) of CNMF)
CN01
Connect to the Terminal Block
(TB4)
(Indoor/outdoor connecting line)
Between and
208/230V AC
FUSE
6.3A /250V