25
9-4. TEST POINT DIAGRAM
9-4-1. Indoor controller board
PFFY-P20VKM-E2
PFFY-P25VKM-E2
PFFY-P32VKM-E2
PFFY-P40VKM-E2
SW2
Capacity setting
SW3
Function setting
SW4
Model setting
CN36
Limit switch (vane under)
CN44
Pipe temperature
1
-
2
: thermistor/Liquid
(TH22)
3
-
4
: thermistor/Gas
(TH23)
CN20
Room thermistor (TH21)
CN60
Linear expansion valve
(LEV)
CN31
Drain sensor (DS)
LED1
Indication of main
power supply ON/OFF
CN51
Centrally control
1
-
2
: Control signal
12VDC pulse input (
1
: +)
3
-
4
: Operation indicator
12VDC (
3
: +)
3
-
5
: Malfunction indicator
12VDC (
3
: +)
CN52
Remote indicator
1
-
2
: Status lamp 12VDC (
1
: +)
Fan motor output (SW1-5 OFF)
Thermostat ON (SW1-5 ON)
1
-
3
: Cooling/Dry status lamp
12VDC (
1
: +)
1
-
4
: Heating status lamp
12VDC (
1
: +)
The voltage range of DC12V above
is between DC11.5 V to DC 13.7 V.
FUSE
6.3A 250V
CND
Power supply
1
-
3
: 220-240V AC
CNMF1, CNMF2
FAN motor (upper)
CNMF1
1
-CNMF2
1
: DC310V-340V
CNMF2
3
-
1
: 15V DC
CNMF2
5
-
1
: 0-6.5V DC
CNMF2
7
-
1
: 0-15V DC
FAN motor (lower)
CNMF1
2
-CNMF2
2
: DC310V-340V
CNMF2
4
-
2
: 15V DC
CNMF2
6
-
2
: 0-6.5V DC
CNMF2
8
-
2
: 0-15V DC
CN2M
Connect to the terminal block TB5
(M-NET transmission connecting wire)
24-30V DC (non-polar)
CN105
CN3A
MA-Remote controller
connecting wire
1
-
3
8.7-13V DC (Pin
1
(+))
CN6V2
Vane motor
CN6V1
Vane motor
CN32
Connector (Remote switch)
LED2
Indication of power supply
for MA-Remote controller
OCH537
