16
17
WIRING DIAGRAM
7
SYMBOL
SYMBOL
NAME
NAME
I.B
INDOOR CONTROLLER BOARD
FUSE (T6.3AL250V)
CONNECTOR (LOSSNAY)
CONNECTOR (REMOTE SWITCH)
CONNECTOR (HA TERMINAL-A)
CONNECTOR (CENTRALLY CONTROL)
POWER SUPPLY (I.B)
POWER SUPPLY (R.B)
TRANSMISSION (INDOOR-OUTDOOR)
RELAY (DRAIN PUMP)
SWITCH (MODEL SELECTION)
w
See table 1
SWITCH (CAPACITY CODE)
w
See table 2
CONNECTOR (EMERGENCY OPERATION)
FAN MOTOR
VANE MOTOR
DRAIN PUMP
DRAIN FLOAT SWITCH
TERMINAL BLOCK (INDOOR/OUTDOOR CONNECTING LINE)
TERMINAL BLOCK (REMOTE CONTROLLER
TRANSMISSION LINE)
ROOM TEMP. THERMISTOR
(0°C
/15kΩ, 25
°C
/5.4kΩ DETECT)
PIPE TEMP. THERMISTOR/LIQUID
(0°C
/15kΩ, 25
°C
/5.4kΩ DETECT)
COND./EVA. TEMP. THERMISTOR
(0°C
/15kΩ, 25
°C
/5.4kΩ DETECT)
MF
FUSE
MV
DP
CN2L
FS
CN32
CN41
CN51
TB4
LED1
TB5,TB6
LED2
TH1
LED3
X1
TH2
SW1
TH5
SW2
SWE
[LEGEND]
Notes:
1. SymboIs used in wiring diagram above are, :Connector, :Terminal (block).
2. Indoor and outdoor connecting wires are made with poIarities, make wiring matching terminal
numbers (S1, S2, S3).
3. Since the outdoor side electric wiring may change be sure to check the outdoor unit electric wiring for servicing.
4. This diagram shows the wiring of indoor and outdoor connecting wires (specification of 220 - 240V), adopting
superimposed system of power and signal.
[Self-diagnosis]
1.For details on how to operate self-diagnosis with the wireless
remote control,refer to the technical manuals etc.
2.For the wired remote control:When you quickly press twice the CHECK switch on the remote
control, the unit begins self-diagnosis, and Check Codes generated in the past appear on the
display.
For Check Codes and Symptoms refer to the table below.
W.B
RU
BZ
LED1
SW1
SW2
OPTION PART
PCB FOR WIRELESS REMOTE CONTROLLER
RECEIVING UNIT
BUZZER
LED (OPERATION INDICATION : GREEN)
EMERGENCY OPERATION (FAN/DOWN)
EMERGENCY OPERATION (COOL/UP)
w
Be sure to turn off the source power and then
disconnect fan motor connector.
(Failure to do so will cause trouble in fan motor)
2 1
1
1 2
3
5
1
4
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
X1
DP
MF
D.U.M
CNP
(BLU)
FUSE
TB4
YLW
ORN
ORN
BRN
YLW
ORN
OUTDOOR
CN01
(BLK)
INDOOR/OUTDOOR
COMMUNICATION
CN3C
(BLU)
REMOCON
CN22
(BLU)
VANE CNV(WHT)
CN32
(WHT)
CN51(WHT)
CN41(WHT)
CN2L
FAN
CNMF
(WHT
)
ON
SWE
INTAKE
CN20
(RED)
FLOAT SW
CN4F
(WHT)
LIQUID/PIPE
CN44
(WHT)
Pair No.
J42
J41
SW2
SW1
Refer to tables 1 and 2
LED3 LED2 LED1
5
5
5
5
TH5
TH2
FS
TH1
MV
MV
MV
MV
GRILLE
TB5
TRANSMISSION
WIRES
DC12V
2 1
TB6
R.B
I.B
<Table 1> SW1 (MODEL SELECTION)
Manufacture/Service
SW1
ON
OFF
1 2 3 4 5
1
6
1
3
3 1
5
LED2
LED1
RU
SW2
SW1
CNB
3
9
4
5
3
CN3G
M
MT
BZ
W.B
U.B
AUTOMATIC FILTER ELEVATION PANEL
(OPTION PART)
I-SEE
SENSOR
CN4Y
(WHT)
I-SEE
SENSOR MOTOR
CN6Y
(RED)
I-SEE SENSOR
CORNER PANEL
(OPTION PART)
I-SEE
SENSOR
WIRELESS
CN90
(WHT)
AUTO GRILLE
CN3G
(BLK)
AUTO
GRILLE
POWER
CNAC
(WHT)
CN3A
1 3
1
5
3
1
3
S1
S2
S3
t°
t°
t°
OFF
1
3
1
4 1
4
1 2 7
4
1
MS
3~
1
4
1
1
3
9
M
M
M
M
2
1
M
1~
The black square ( )
indicates a switch position.
5
1
CN105
TO
OUTDOOR
UNIT
<Table 2> SW2 (CAPACITY CODE)
Manufacture/Service
PLY-P18BA
MODELS
SW2
ON
OFF
1 2 3 4 5
Manufacture/Service
PLY-P36BA
MODELS
ON
OFF
1 2 3 4 5
PLY-P24BA
ON
OFF
1 2 3 4 5
The black square ( ) indicates a switch position.
+
–
PLY-P30BA
ON
OFF
1 2 3 4 5
PLY-P42BA
PLY-P48BA
ON
OFF
1 2 3 4 5
ON
OFF
1 2 3 4 5
PLY-P18BA.TH
PLY-P24BA.TH PLY-P30BA.TH
PLY-P36BA.TH
PLY-P42BA.TH PLY-P48BA.TH
OCH551A
