Mitsubishi Electric MR. SLIM PCA Series Service Manual page 39

9-7. TEST POINT DIAGRAM
Indoor controller board
PCA-M35KA
PCA-M35KA-ER
PCA-M100KA
PCA-M100KA-ER
LED3
Transmission
(Indoor/outdoor)
CN90
Connect to the wireless remote
controller board (CNB)
CN105
LED2
Power supply (R.B)
CN4F
Drain float switch (FS)
(option)
CN44
Pipe temperature
thermistor
1-2 : Liquid (TH2)
3-4 : Cond./Eva. (TH5)
CN20
Room temperature
thermistor (TH1)
LED1
Power supply (I.B)
V : Voltage between
FG
PC672 and C955(-)
(Same as 7(+)–4(-) of CNMF)
V : Voltage between pins of
SP
C626
0 V DC (FAN stop)
1–6.5 V DC (FAN operation)
(Same as 6(+)–4(-) of CNMF)
CNMF
Fan motor
1-4: 310–340 V DC
5-4: 15 V DC
6-4: 0–6.5 V DC
7-4: Stop 0 or 15 V DC
Operation 7.5 V DC
(0–15 V pulse)
CNP
Drain-pump output (DP)
(220–240 V AC) (option)
OCH659A
PCA-M50KA
PCA-M50KA-ER
PCA-M125KA
PCA-M125KA-ER
SWE
Emergency operation
39
PCA-M60KA
PCA-M60KA-ER
PCA-M140KA
PCA-M140KA-ER
CN2L
Connector (LOSSNAY)
CNV
Vane motor output (MV)
12 V pulse output
SW1
Model selection
SW2
Capacity setting
Jumper wire J41,J42
Pair No. setting for wireless
remote controller
CN51
Centrally control
1-2 : Control signal
3-4 : Operation indicator
3-5 : Malfunction indicator
CN41
Connector (HA terminal-A)
CN22
Connect to the terminal
block (TB5)
(Remote controller con-
necting wire)
(10.4–14.6 V DC)
CN3C
Transmission
(Indoor/outdoor)
(0–24 V DC)
V
CC
C955 15 V DC
(Same as 5(+)–4(-) of CNMF)
CN01
Connect to the Terminal Block
(TB4)
(Indoor/outdoor connecting line)
Between 3 and 5
220–240 V AC
FUSE
6.3 A /250 V
PCA-M71KA
PCA-M71KA-ER
13 V DC pulse input (1: +)
13 V DC (3: +)
13 V DC (3: +)
: Voltage between pins of