42
PLA-RP35AA PLA-RP50AA PLA-RP60AA PLA-RP71AA
INDOOR POWER BOARD
[LEGEND]
P.B
INDOOR CONTROLLER BOARD
I.B
FUSE(T6.3AL250V)
FUSE
CN2L
VARISTOR
ZNR
CONNECTOR(LOSSNAY)
CN32
FAN CONTROL ELEMENT
BCR
CONNECTOR(REMOTE SWITCH)
CN41
CONNECTOR(HA TERMINAL-A)
CN51
CONNECTOR(CENTRALLY CONTROL)
SW1
SWITCH(MODEL SELECTION) See table 1
SWITCH(CAPACITY CODE) See table 2
SW2
SWE
CONNECTOR(EMERGENCY OPERATION)
X1
RELAY(DRAIN PUMP)
X4
RELAY(FAN MOTOR)
LED1
POWER SUPPLY(I.B)
LED2
POWER SUPPLY(I.B)
LED3
TRANSMISSION(INDOOR-OUTDOOR)
SYMBOL
NAME
SYMBOL
NAME
SYMBOL
NAME
C
CAPACITOR(FAN MOTOR)
MF
FAN MOTOR
MV
VANE MOTOR
DP
DRAIN PUMP
DS
DRAIN SENSOR
H2
DEW PREVENTION HEATER
TB4
TERMINAL BLOCK (INDOOR/
OUTDOOR CONNECTING LINE)
TB5, TB6
TERMINAL BLOCK(REMOTE
CONTROLLER TRANSMISSION LINE)
TH1
ROOM TEMP.THERMISTOR
(0°C/15k
Ω
,25°C/5.4k
Ω
DETECT)
TH5
COND./EVA. TEMP. THERMISTOR
(0°C/15k
Ω
,25°C/5.4k
Ω
DETECT)
R.B
WIRED REMOTE CONTROLLER BOARD
W.B
WIRELESS REMOTE CONTROLLER BOARD
RU
RECEIVING UNIT
BZ
BUZZER
LED1
LED(RUN INDICATOR)
LED2
LED(HOT ADJUST)
SW1
SWITCH(HEATING ON/OFF)
SW2
SWITCH(COOLING ON/OFF)
3
2
1
3
2
1
5
3
1
MF
FAN
(WHT)
RED
WHT
BLK
BLK
X1
X4
X1
X4
C
BCR
3
1
DP
D.U.M
CNP
(BLU)
YL
W
YL
W
ORN
ORN
YL
W
3
1
3
1
3
1
3
1
YL
W
YL
W
D.HEATER
CNC(RED)
RED
WHT
WHT
BRN
POWER
CNDK
(RED)
POWER
CND
(ORN)
2
1
POWER
CN2D
(WHT)
INDOOR/OUTDOOR
COMMUNICATION
CN3C
(BLU)
CN41
CN51
CN2L
CN32
9
WIRELESS
CN90
(WHT)
BZ
5
VANE
CN6V
(GRN)
CN2S
(WHT)
CNSK
(RED)
W.B
LED2
CNB
LED1
SW1
SW2
RU
2
1
2
2
1
1
REMOCON
CN22
(BLU)
TB5
TRANSMISSION WIRES
DC12V
TB6
R.B
BLU
BLU
3
2
1
2
1
2
1
D.SENSOR
CN31
(WHT)
INTAKE
CN20
(RED)
HEATER
CN24
(YLW)
LIQUID
CN21
(WHT)
DS
TH2
2
1
PIPE
CN29
(BLK)
TH3
TH1
LED3 LED2 LED1
ON
OFF
SWE
Refer to tables 1
and 2.
SW2
SW1
9 5 10
7
6
3
2
1
8
4
5
MV
5
MV
5
5
MV
5
MV
GRILLE
H2
S1
S2
S3
TB4
TO OUTDOOR
UNIT
DC
13.1V
1
2
2
3
1
P.B
ZNR
FUSE
I.B
YLW
ORN
BRN
ORN
Please set the voltage using the
remote controller.
For the setting method, please refer to
the indoor unit Installation Manual.
1 2 3 4 5
ON
OFF
MODELS
Table 1
SW1
Service board
PLA-RP. AA
1 2 3 4 5
ON
OFF
MODELS
Table 2
SW2
Service board
PLA-RP35AA
PLA-RP50AA
PLA-RP60AA
PLA-RP71AA
1 2 3 4 5
ON
OFF
1 2 3 4 5
ON
OFF
1 2 3 4 5
ON
OFF
TH2
PIPE TEMP.THERMISTOR/LIQUID
(0°C/15k
Ω
,25°C/5.4k
Ω
DETECT)
Notes:
1. SymboIs used in wiring diagram above are, : Connector,
: Terminal (block).
2. Indoor and outdoor connecting wires have poIarities, make sure to match
terminal numbers (S1, S2, S3) for correct wirings.
3. Since the outdoor side electric wiring may change, be sure to check the outdoor
unit electric wiring diagram for servicing.
4. This diagram shows the wiring of indoor and outdoor connecting wires (specification of 230V),
adopting superimposed system of power and signal.