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PCA-RP2GA PCA-RP2.5GA PCA-RP3GA
PCA-RP4GA PCA-RP5GA
SYMBOL
NAME
P.B
INDOOR POWER BOARD
F1
FUSE(4A)
ZNR
VARISTOR
INDOOR CONTROLLER BOARD
I.B
CN2L
CONNECTOR(LOSSNAY)
CN32
CONNECTOR(REMOTE SWITCH)
CN41
CONNECTOR(HA TERMINAL-A)
SW1
JUMPER WIRE(MODEL SELECTION)
SW2
JUMPER WIRE(CAPACITY CORD)
SWE
SWITCH(EMERGENCY OPERATION)
X1
RELAY(DRAIN PUMP)
X4
RELAY(FAN MOTOR)
FC
FAN PHASE CONTROL
LED1
POWER SUPPLY(I.B)
LED2
POWER SUPPLY(R.B)
LED3
TRANSMISSION(INDOOR-OUTDOOR)
C
CAPACITOR(FAN MOTOR)
MF
FAN MOTOR
INDOOR UNIT
MF
1 2 3
C
I.B
D.U.M
1
3 5
FAN
CNP
(WHT)
(BLU)
X4
FC
X4
SWE
SW2
SW1
ON
OFF
When installing drain-up
machine(Optional part).
CN31 DRAIN SENSOR
1 2
3
(WHT)
WWhen installing optional
drain-up machine,disconnect
the CN31 jumper connector
and replace it with the
drain sensor(DS).
DS
MODELS
SW1
Manufacture
2GA
J21
<For manufacture>
2.5GA
J21
J11
J12
J13
J14
J15
3GA
J21
4GA
J21
<For service board>
1
2
3
4
5
5GA
ON
OFF
J21
6GA
J21
PCA-RP6GA
SYMBOL
MV
VANE MOTOR
DP
DRAIN-UP MACHINE(OPTION)
DS
DRAIN SENSOR(OPTION)
TB4
TERMINAL BLOCK(INDOOR/OUTDOOR CONNECTING LINE)
TB5
TERMINAL BLOCK(REMOTE CONTROLLER
TRANSMISSION LINE)
TH1
ROOM TEMP.THERMISTOR
(0:/15k",25:/5.4k" DETECT)
TH2
PIPE TEMP.THERMISTOR/LIQUID
(0:/15k",25:/5.4k" DETECT)
TH5
COND./EVA.TEMP.THERMISTOR
(0:/15k",25:/5.4k" DETECT)
R.B
REMOTE CONTROLLER BOARD
CN2
CONNECTOR(SCHEDULE TIMER)
TB6
TERMINAL BLOCK(REMOTE CONTROLLER
TRANSMISSION LINE)
TB2
TERMINAL BLOCK(HEATER)
(OPTION)
DP
POWER
1
3
1 3
5
CN03
POWER
(RED)
CN2D(WHT)
CN41
X1
CN25
X1
LED3 LED2 LED1
D.SENSOR
INTAKE
LIQUID
PIPE
CN31
CN20
CN21
CN29
(WHT)
(RED)
(WHT)
(BLK)
1
2
3
1 2
1 2
1 2
TH1
TH2
[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.
SW2
[Self-diagnosis]
Service board
1.For details on how to operate self-diagnosis with the wireless
remote control,refer to the technical manuals etc.
1
2 3 4
ON
NOTES:
OFF
J22J23
J24
1.Since the outdoor side electric wiring may change be sure to
check the outdoor unit electric wiring for servicing.
1
2 3 4
2.Indoor and outdoor connecting wires are made with polarities,make
ON
OFF
wiring matching terminal numbers(S1,S2,S3).
J22
J23
J24
3.Make sure that the main power supply of the booster heater is
1
2 3 4
independent.
ON
4.Symbols used in wiring diagram above are,
OFF
J22
J23
J24
1
2 3 4
[Emergency operation procedure]
ON
OFF
1.When the wired remote control or the indoor unit microcomputer has failed,but all other
J22
J23
J24
components work properly, if you set the switch(SWE) on the indoor control panel ON,the indoor
1
2 3 4
unit will begin Emergency Operation.
ON
When Emergency Operation is activated, the indoor unit operates as follows:
OFF
(1)Indoor fan is running at high speed.
J22
J23
J24
(2)Drain-up machine(optional) is working.
1
2
3
4
ON
OFF
J22
J23
J24
NAME
SYMBOL
W.B
WIRELESS REMOTE CONTROLLER BOARD(OPTION)
RU
RECEIVING UNIT
BZ
BUZZER
LED(RUN INDICATOR)
LED1
LED2
LED(HOT ADJUST)
SW1
SWITCH(HEATING ON/OFF)
SW2
SWITCH(COOLING ON/OFF)
CN2S(WHT)
F1
2
DC14V
1
ZNR
3
2
1
CONT.BOARD
OUTDOOR
CN02(WHT)
CN01(BLU)
VANE
1
2
CN6V
6
6
MV
(WHT)
CN2L
WIRELESS
CN90
9
CN32
(WHT)
REMOCON
CN22
(BLU)
RU
1
2
1
2
RECEIVER
LED1
2
1
TRANSMISSION WIRES DC12V
1
2
TB5
TH5
:Connector,
: Terminal (block).
9
NAME
P.B
TB4
YLW
S1
}
1
TO
ORN
S2
2
BRN
S3
OUTDOOR
3
UNIT
P2,P3 TYPE
6
6
MV
P4~P6 TYPE
5
5
MV
CNB
BZ
LED2
SW2
SW1
W.B
R.B
CN2
1
2
TB6
Please set the voltage using
the remote controller.
For the setting method,
please refer to the indoor
unit Installation Manual.
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