54
7
WIRING DIAGRAM
PCA-RP2GA PCA-RP2.5GA PCA-RP3GA
PCA-RP4GA PCA-RP5GA
PCA-RP6GA
Service board
2 3 4
ON
1
OFF
2 3 4
ON
1
OFF
2 3 4
ON
1
OFF
2 3 4
ON
1
OFF
2 3 4
ON
1
OFF
OFF
ON
4
3
2
1
Manufacture
<For service board>
<For manufacture>
OFF
ON
5
4
3
2
1
J21
J21
J21
J21
J21
J21
J22
J22
J22
J22
J22
J22J23
J23
J23
J23
J23
J23
J24
J24
J24
J24
J24
J24
J15
J14
J13
J12
J11
MODELS
SW1
SW2
2GA
2.5GA
3GA
4GA
5GA
6GA
[Self-diagnosis]
1.For details on how to operate self-diagnosis with the wireless
remote control,refer to the technical manuals etc.
[Emergency operation procedure]
1.When the wired remote control or the indoor unit microcomputer has failed,but all other
components work properly, if you set the switch(SWE) on the indoor control panel ON,the indoor
unit will begin Emergency Operation.
When Emergency Operation is activated, the indoor unit operates as follows:
(1)Indoor fan is running at high speed.
(2)Drain-up machine(optional) is working.
NOTES:
2.Indoor and outdoor connecting wires are made with polarities,make
wiring matching terminal numbers(S1,S2,S3).
4.Symbols used in wiring diagram above are,
3.Make sure that the main power supply of the booster heater is
independent.
1.Since the outdoor side electric wiring may change be sure to
check the outdoor unit electric wiring for servicing.
:Connector, : Terminal (block).
[Servicing]
CN31 DRAIN SENSOR
When installing drain-up
machine(Optional part).
W
When installing optional
drain-up machine,disconnect
the CN31 jumper connector
and replace it with the
drain sensor(DS).
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.
TRANSMISSION(INDOOR-OUTDOOR)
LED3
VANE MOTOR
MV
POWER SUPPLY(R.B)
POWER SUPPLY(I.B)
LED2
LED1
SWITCH(COOLING ON/OFF)
SW2
SW1
LED2
RU
BZ
W.B
LED(RUN INDICATOR)
SWITCH(HEATING ON/OFF)
LED(HOT ADJUST)
BUZZER
RECEIVING UNIT
WIRELESS REMOTE CONTROLLER BOARD(OPTION)
TERMINAL BLOCK(REMOTE CONTROLLER
TRANSMISSION LINE)
CONNECTOR(SCHEDULE TIMER)
REMOTE CONTROLLER BOARD
TB6
CN2
COND./EVA.TEMP.THERMISTOR
(0
:
/15k
"
,25
:
/5.4k
"
DETECT)
NAME
R.B
DRAIN-UP MACHINE(OPTION)
TRANSMISSION LINE)
TERMINAL BLOCK(REMOTE CONTROLLER
TB5
F1
ZNR
P.B
PIPE TEMP.THERMISTOR/LIQUID
TH5
TH2
TH1
ROOM TEMP.THERMISTOR
(0
:
/15k
"
,25
:
/5.4k
"
DETECT)
(0
:
/15k
"
,25
:
/5.4k
"
DETECT)
TERMINAL BLOCK(INDOOR/OUTDOOR CONNECTING LINE)
TB4
DRAIN SENSOR(OPTION)
DS
DP
FAN MOTOR
MF
CAPACITOR(FAN MOTOR)
C
FAN PHASE CONTROL
RELAY(FAN MOTOR)
RELAY(DRAIN PUMP)
SWITCH(EMERGENCY OPERATION)
JUMPER WIRE(CAPACITY CORD)
JUMPER WIRE(MODEL SELECTION)
CONNECTOR(HA TERMINAL-A)
CONNECTOR(REMOTE SWITCH)
CONNECTOR(LOSSNAY)
FC
X4
X1
SWE
SW2
SW1
CN41
CN32
CN2L
INDOOR CONTROLLER BOARD
VARISTOR
FUSE(4A)
INDOOR POWER BOARD
NAME
SYMBOL
NAME
SYMBOL
SYMBOL
TB2
TERMINAL BLOCK(HEATER)
LED1
3
1 2
DS
(WHT)
1 2
TH1
TH2
TH5
BLK
BLK
2
1
BLU
BLK
BLK
BLU
R.B
CN2
TB6
2
1
1
TB5
2
TRANSMISSION WIRES DC12V
Please set the voltage using
the remote controller.
For the setting method,
please refer to the indoor
unit Installation Manual.
I.B
D.SENSOR
CN31
(WHT)
INTAKE
CN20
(RED)
LIQUID
CN21
(WHT)
REMOCON
CN22
(BLU)
PIPE
CN29
(BLK)
1 2
1 2
2
1
3
2
1
2
1
SWE
SW1
SW2
OFF
ON
J14
J13
J12
J11
J15
J21
J22
J23
J24
FAN
(WHT)
FC
POWER
CN03
(RED)
D.U.M
CNP
(BLU)
X1
X4
X1
X4
LED3 LED2 LED1
VANE
CN6V
(WHT)
POWER
CN2D(WHT)
WIRELESS
CN90
(WHT)
CN41
CN2L
CN25
CN32
5
1 3
2
1
BRN
ORN
YLW
WHT
BLK
(OPTION)
1
DP
3
ZNR
F1
OUTDOOR
CN01(BLU)
P.B
3
2
1
CONT.BOARD
CN02(WHT)
CN2S(WHT)
DC14V
1
2
3
2
1
YLW
BRN
ORN
TO
OUTDOOR
UNIT
TB4
S1
S2
S3
}
RECEIVER
RU
CNB
LED2
BZ
LED1
SW1
SW2
W.B
P4~P6 TYPE
6
MV
6
MV
5
5
P2,P3 TYPE
9
6
MV
6
INDOOR UNIT
1 2 3
1
I.B
MF
C
3 5
RED
BLK
WHT
OC311--2.qxp 04.5.31 1:04 PM Page 54
