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3
WIRING DIAGRAM
PLA-RP1.6AA
PLA-RP1.6AA.UK
PLA-RP3AA
PLA-RP3AA
1
PLA-RP3AA.UK
PLA-RP3AA
.UK
1
[LEGEND]
SYMBOL
NAME
P.B
INDOOR POWER BOARD
FUSE (4A)
F1
ZNR
VARISTOR
INDOOR CONTROLLER BOARD
I.B
CN2L
CONNECTOR (LOSSNAY)
CN32
CONNECTOR (REMOTE SWITCH)
CONNECTOR (HA TERMINAL-A)
CN41
JUMPER WIRE (MODEL SELECTION)
SW1
JUMPER WIRE (CAPACITY CORD)
SW2
SWITCH (EMERGENCY OPERATION)
SWE
RELAY (DRAIN PUMP)
X1
X4
RELAY (FAN MOTOR)
FC
FAN PHASE CONTROL
POWER SUPPLY (I.B)
LED1
POWER SUPPLY (I.B)
LED2
LED3 TRANSMISSION (INDOOR-OUTDOOR)
CAPACITOR (FAN MOTOR)
C
MF
FAN MOTOR
GRILLE
MV
MV
MV
5
5
MF
5
1
2
3
6
1 2 3
1
2
3
DP
C
I.B
D.U.M
1
3
5
1
3
FAN
CNP
(WHT)
(BLU)
X4
FC
X1
X4
X1
D.SENSOR
SW2
SWE
SW1
ON
OFF
DS
TH1
TH2
NOTES:
1.Since the outdoor side electric wiring may change be sure to
check the outdoor unit electric wiring for servicing.
2.Indoor and outdoor connecting wires are made with polarities, make
wiring matching terminal numbers (S1,S2,S3).
3.Symbols used in wiring diagram above are,
[Servicing]
Fasten terminal of the terminal board "TB4" equips lock system.
To remove the fastened terminal, pull it while pressing the protruding portion (locking lever) of
the terminal. The fastened terminal protruding portion should face upward.
SW1
MODELS
Manufacture
PLA-RP1.6,2,2.5AA
PLA-RP3,4,5,6AA
J11J12J13J14
J15
PLA-RP3,4,5,6AA
1
PLA-RP2AA
PLA-RP2AA.UK
PLA-RP4AA
PLA-RP4AA
1
PLA-RP4AA.UK
PLA-RP4AA
.UK
1
SYMBOL
MV
VANE MOTOR
DP
DRAIN PUMP
DS
DRAIN SENSOR
H2
DEW PREVENTION HEATER
TERMINAL BLOCK (INDOOR/OUTDOOR CONNECTING LINE)
TB4
TB5
TERMINAL BLOCK (REMOTE CONTROLLER
TRANSMISSION LINE)
TH1
ROOM TEMPERATURE THERMISTOR
(0:/15kΩ, 25:/5.4kΩ DETECT)
PIPE TEMPERATURE THERMISTOR/LIQUID
TH2
(0:/15kΩ, 25:/5.4kΩ DETECT)
COND./EVA. TEMPERATURE THERMISTOR
TH5
(0:/15kΩ, 25:/5.4kΩ DETECT)
R.B
REMOTE CONTROLLER BOARD
CONNECTOR (PROGRAM TIMER)
CN2
TB6
TERMINAL BLOCK (REMOTE CONTROLLER
TRANSMISSION LINE)
MV
2
5
5
1
H2
3
4
9
7
8
5
10
2
1
CONTROLLER BOARD
CN02 (WHT)
D.HEATER
POWER
1
3
1
3
5
1 2
CNC (RED)
CN2D
POWER
(WHT)
CN03
(RED)
CN41
CN2L
CN32
LED3
LED2
LED1
LIQUID
PIPE
INTAKE
REMOCON
CN31
CN20
CN21
CN29
CN22
(BLK)
(WHT)
(RED)
(WHT)
(BLU) WIRELESS
1 2 3
1
2
1
2
1 2
1 2
TH5
:Connector,
:Terminal (block).
Service board
Manufacture
MODELS
1
2
3 4 5
PLA-RP1.6AA
ON
J21
J22
OFF
PLA-RP2AA
J21
J22
PLA-RP2.5AA
J21
J22
PLA-RP3AA
PLA-RP3AA
1
J21
J22
PLA-RP2.5AA
PLA-RP2.5AA.UK
PLA-RP5AA
PLA-RP5AA
1
PLA-RP5AA.UK
PLA-RP5AA
.UK
1
NAME
SYMBOL
W.B
RU
BZ
LED1
LED2
SW1
SW2 SWITCH (COOLING ON/OFF)
P.B
CN2S(WHT)
F1
DC14V
ZNR
TB4
YLW
1
ORN
2
BRN
3
OUTDOOR UNIT
CN01 (BLU)
5
VANE
CN6V
(WHT)
W.B
BZ
9
CNB
CN90
(WHT)
TB5
2
1
TRANSMISSION
WIRES DC12V
Please set the voltage using
the remote controller.
For the setting method, please
refer to the indoor unit Installation
Manual.
SW2
Service board
Manufacture
MODELS
1
2
3
4
PLA-RP4AA
ON
PLA-RP4AA
1
OFF
J21J22J23 J24
J23
J24
1
2
3
4
ON
PLA-RP5AA
OFF
J23
J24
J21
J22
PLA-RP5AA
1
1
2
3
4
PLA-RP6AA
ON
OFF
PLA-RP6AA
J21J22J23 J24
1
J23
J24
1
2
3
4
ON
OFF
J23
J24
6
PLA-RP6AA
PLA-RP6AA
1
PLA-RP6AA.UK
PLA-RP6AA
.UK
1
NAME
WIRELESS REMOTE CONTROLLER BOARD
RECEIVING UNIT
BUZZER
LED (RUN INDICATOR)
LED (HOT ADJUST)
SWITCH (HEATING ON/OFF)
S1
S2
S3
TO OUTDOOR UNIT
LED2
LED1
RU
SW1 SW2
R.B
CN2
1 2
TB6
C
TB4
Service board
1
2
3
4
ON
OFF
1
2
3
4
ON
OFF
J23
J24
1
2
3
4
ON
OFF
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