36
9-3. TEST POINT DIAGRAM
9-3-1. Indoor controller board
PLFY-P08NEMU-E PLFY-P12NEMU-E PLFY-P15NEMU-E PLFY-P18NEMU-E
PLFY-P24NEMU-E PLFY-P30NEMU-E PLFY-P36NEMU-E PLFY-P48NEMU-E
Note: The voltage range of 12 V DC in this page is between 11.5 to 13.7 V DC.
OCH611D
CN44
Pipe temperature thermistor
1
–
2
: Liquid (TH22)
3
–
4
: Gas (TH23)
CN4F
Drain float switch (FS)
CN20
Room temperature
thermistor (TH21)
CN27
Damper signal output
12 V DC (
1
: +)
CN90
Connect to the wireless
remote controller board
(W.B)
CNP
Drain pump output (DP)
1
–
3
: 12 V DC
FUSE
6.3 A, 250 V
CN24
External heater
12 V DC (
1
: +)
CND
Power supply for indoor controller board
3
–
5
: 208–230 V AC
CNMF
Connect to the
fan motor (MF)
1
–
4
: 310–340 V DC
5
–
4
: 15 V DC
6
–
4
: 0–6 V DC
7
–
4
:
0 or 15 V DC (Stop)
7.5 V DC (Operation)
(12 V DC pulse)
LED1
Main power supply
(Indoor unit: 208–230 V)
CN51
Centrally control
1
–
2
: Control signal
12 V DC pulse input (
1
: +)
3
–
4
: Operation indicator
12 V DC (
3
: +)
3
–
5
: Malfunction indicator
12 V DC (
3
: +)
CN52
Remote indicator
1
–
2
: Status lamp 12 V DC (
1
: +)
Fan motor output (SW1-5 OFF)
Thermostat ON (SW1-5 ON)
1
–
3
: Cooling/Dry status lamp
12 V DC (
1
: +)
1
–
4
: Heating status lamp
12 V DC (
1
: +)
CN4Z
i-see Sensor (sensor)
CN60
Linear expansion valve (LEV) out
-
put 12 V DC pulse output
CN5Y
i-see Sensor motor output (MT)
12 V DC pulse output
TB15
MA-Remote controller connecting wire
1
–
2
: 8.7–13 V DC (non-polar)
SW3
Function setting
SW4
Model selection
SW2
Capacity setting
SWE
Test run (Drain pump and indoor fan motor)
CN105
IT Terminal
TB5
M-NET transmission connecting wire
24–30 V DC (non-polar)
SW22
Pair No. setting for wireless remote
controller
CNV
Vane motor output
12 V DC pulse
CN32
Remote switch
LED2
Power supply for
MA-Remote controller
SW14
Branch No.
SW21
Ceiling height and discharge outlet
number selector
SW11
Address setting 1s digit
SW12
Address setting 10s digit
