23
WIRING DIAGRAM
6
PCA-P3HA
PCA-P5HA
J15
Service board
SW1
Manufacture
J14
J13
J12
J11
4
OFF
ON
5
3
2
1
PCA-P5HA
PCA-P3HA
1 2 3 4
ON
OFF
Service board
MODELS
SW2
Manufacture
1 2 3 4
ON
OFF
J24
J23
J22
J21
J24
J23
J22
J21
N
L
LEGEND
NAME
WHT
WHT
BLK
BLK
BLU
Symptom
Check code
Abnormality of room temperature thermistor(TH1).
Abnormality of pipe temperature thermistor/Liquid(TH2).
Freezing /overheating protection is working.
Abnormality of pipe temperature.
Abnormality of pipe temperature thermistor/ Condenser/Evaporator(TH5).
Abnormality of the signal transmission between remote
controller and indoor unit.
Abnormality of the signal transmission between indoor unit and
outdoor unit("EE" indicates abnormality of combination).
Abnormality in outdoor unit. Refer to outdoor unit wiring diagram.
Abnormality in outdoor unit. Refer to outdoor unit wiring diagram.
No trouble generated in the past.
No corresponding unit.
FFFF
----
F
✱
U
✱
E6—EF
E0—E5
P9
P8
P6
P2
P1
CONNECTING LINE)
SYMBOL
C1,C2
MF1,MF2
FAN MOTOR
CAPACITOR(FAN MOTOR)
CN2
TB6
TRANSMISSION LINE)
TERMINAL BLOCK(REMOTE CONTROLLER
CONNECTOR(PROGRAM TIMER)
REMOTE CONTROLLER BOARD
R.B
(0˚C/15k
Ω
, 25˚C/5.4k
Ω
DETECT)
CONDENSER / EVAPORATOR TEMPERATUR THERMISTOR
TH5
(0˚C/15k
Ω
, 25˚C/5.4k
Ω
DETECT)
PIPE TEMPERATUR THERMISTOR/LIQUID
TH2
(0˚C/15k
Ω
, 25˚C/5.4k
Ω
DETECT)
ROOM TEMPERATUR THERMISTOR
TH1
TRANSMISSION LINE)
TB5
TERMINAL BLOCK(INDOOR/OUTDOOR
TB4
DEW PREVENTION HEATER
H2
TERMINAL BLOCK(REMOTE CONTROLLER
SYMBOL
NAME
X1
X4
X5
X6
RELAY(FAN MOTOR)
RELAY(FAN MOTOR)
RELAY(FAN MOTOR)
RELAY(DEW PREVENTION HEATER)
JUMPER WIRE(MODEL SELECTION)
JUMPER WIRE(CAPACITY CODE)
SWITCH(EMERGENCY OPERATION)
SWE
SW2
SW1
POWER SUPPLY(I.B)
POWER SUPPLY(R.B)
TRANSMISSION(INDOOR-OUTDOOR)
LED3
LED2
LED1
CONNECTOR(HA TERMINAL-A)
CN41
CONNECTOR(REMOTE SWITCH)
CN32
CONNECTOR(LOSSNAY)
CN2L
INDOOR CONTROLLER BOARD
I.B
INDOOR POWER BOARD
FUSE(4A)
VARISTOR
ZNR
F1
P.B
[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.
Please set the voltage using the
remote controller.
For the setting method,please refer to
the indoor unit installation Manual.
S1
S3
S2
TB1
TB1
S1
S2
S3
L1
L2
L3
N
POWER SUPPLY
3N~(3PHASE 4WIRES)
380-400-415V 50Hz
<PU(H)-P3/5YGAA
1
.UK>
POWER SUPPLY
~(1PHASE)
220-230-240V 50Hz
<PU(H)-P3VGAA
1
.UK>
OUTDOOR UNIT
WHT
BLK
BRN
ORN
YLW
BLU
BLU
YLW
WHT
BLK
BLU
YLW
WHT
YLW
YLW
BLK
RED
ORN
RED
BLK
BLU
YLW
WHT
WHT
YLW
BLU
BLK
RED
ORN
X4
CN32
CN2L
CN41
1 2
3
1
X1
5
TH1
I.B
2
TB5
1
1 2
TB6
CN2
TH2
1
2
3
2
1
DC14V
CN2S(WHT)
CONT.BOARD
CN02(WHT)
1
2
3
OUTDOOR
CN01(BLU)
F1
TB4
S1
S2
S3
YLW
ORN
BRN
POWER
CN03
(RED)
POWER
CN2D(WHT)
REMOCON
CN22
(BLU)
LIQUID
CN21
(WHT)
INTAKE
CN20
(RED)
1 2
SW2
SWE
ON
OFF
J23
NOTES:
TRANSMISSION WIRES
DC12V
2
1
2
1
INDOOR UNIT
R.B
LED1
LED2
LED3
FAN
(WHT)
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, :Connector, :Terminal (block).
MF1
ORN
C1
2 3
5
1
4
7
5
3
1
6
X6
X5
X6
3
1
X5 X4
D.HEATER
CNC (RED)
H2
ZNR
P.B
J24
X1
1
1
MF2
1
2 3 4
5
6
C2
BRN
GRY
For
PCA-P5HA
J22
J21
SW1
J11
J12
J13
J14
J15
TH5
1 2
PIPE
CN29
(BLK)
1 2
1 3
OC289--1.qxp 03.3.19 10:50 AM Page 23
