Mitsubishi Electric Mr.SLIM PCA-RP50KAQ Service Manual page 30

9-7. TEST POINT DIAGRAM
Indoor controller board
PCA-RP50KAQ
PCA-RP100KAQ
LED3
Transmission
(Indoor/outdoor)
CN90
Connect to the wireless remote
controller board (CNB)
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)
V : Voltage between
FG
PC6722 and C955(-)
(Same as (+)– (-) of CNMF)
V : Voltage between pins of
SP
C626
DC0V (FAN stop)
DC1~6.5V (FAN operation)
(Same as (+)– (-) of CNMF)
CNMF
Fan motor
- : DC 310~340V
- : DC15V
- : DC0~6.5V
- : Stop Dc0 or 15V
Operation DC7.5V
(0~15V pulse)
CNP
Drain-pump output (DP)
(220-240V AC) (option)
PCA-RP60KAQ PCA-RP71KAQ
PCA-RP125KAQ PCA-RP140KAQ
SWE
Emergency operation
CN2L
Connector (LOSSNAY)
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
CN51
Centrally control
-
-
-
CN41
Connector (HA terminal-A)
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
CC
C955 15VDC
(Same as
CN01
Connect to the Terminal Block
(TB4)
(Indoor/outdoor connecting line)
Between
220-240V AC
FUSE
6.3A /250V
30
: Control signal
13VDC pulse input ( : +)
: Operation indicator
13VDC ( : +)
: Malfunction indicator
13VDC ( : +)
: Voltage between pins of
(+)– (-) of CNMF)
and