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