35
7
WIRING DIAGRAM
P.B
MV
YLW
BRN
ORN
6
TB4
S1
S2
S3
TO OUTDOOR UNIT
DIFFERENT FROM ABOVE
OFF
OFF
(0.4+0.4)SEC.FLASH
✕
1
1SEC.FLASH
✕
2
1SEC.FLASH
✕
8
1SEC.FLASH
✕
6
1SEC.FLASH
✕
2
1SEC.FLASH
✕
1
Operation lamp
U0~UL
Abnormality in outdoor unit. Refer to outdoor unit wiring diagram.
Abnormality of pipe temperature thermistor/ Condenser/Evaporator(TH5).
P9
9
No corresponding unit.
Abnormality of pipe temperature.
Freezing /overheating protection is working.
Abnormality of signal transmission between indoor unit and outdoor unit
("EE" indicates abnormality of combination).
FFFF
----
F1~F9
E6~EF
P8
P6
Abnormality of pipe temperature thermistor/Liquid(TH2).
Symptom
Abnormality of room temperature thermistor(TH1).
P2
P1
Check code
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, :Connector, :Terminal (block).
ZNR
VANE
CN6V
(WHT)
F1
OUTDOOR
CN01 (BLU)
3
2
1
CONT.BOARD
CN02 (WHT)
CN2S(WHT)
DC14V
1
TB5
2
FAN
(WHT)
LED3 LED2 LED1
INDOOR UNIT
1 2
1 2
J14
J13
J12
J11
OFF
ON
SWE
SW1
SW2
2
1
INTAKE
CN20
(RED)
LIQUID
CN21
(WHT)
REMOCON
CN22
(BLU)
POWER
CN2D (WHT)
POWER
CN03
(RED)
3
2
1
1
2
3
2
1
1
I.B
TH1
5
MF
C
3 5
FC
1 3
2
1
CN41
CN2L
X4
J15
X4
TH2
TH5
PIPE
CN29
(BLK)
2
1
WIRELESS
CN90
(WHT)
RED
CN25
CN32
BRN
ORN
YLW
WHT
BLK
WHT
BLK
TRANSMISSION WIRES DC12V
RECEI
-VER
RU
CNB
LED2
BZ
LED1
SW1
SW2
W.B
J21
J22
J23
J24
2
1
HEATER
CN24
(YLW)
No trouble generated in the past.
1
2
TB6
CN2
R.B
Please set the voltage
using the remote controller.
For the setting method,
please refer to the indoor
unit Installation Manual.
J24
J23
J22
J21
OFF
1
ON
4
3
2
4FAL
J24
J23
J22
J21
OFF
1
ON
4
3
2
3FAL
SW1
Manufacture
Service board
J15
J14
J13
J12
J11
OFF
ON
5
4
3
2
1
SW2
J24
J23
J22
J21
Manufacture
OFF
1
ON
4
3
2
Service board
MODELS
2.5FAL
P4
1SEC.FLASH
✕
4
Abnormality of drain sensor(DS).
P5
1SEC.FLASH
✕
5
Malfunction of drain-up machine.
TERMINAL BLOCK(INDOOR/OUTDOOR
BUZZER
BZ
RU
RECEIVING UNIT
WIRELESS REMOTE CONTROLLER BOARD
W.B
REMOTE CONTROLLER BOARD(OPTION)
R.B
CN2
TB6
CONNECTOR(SCHEDULE TIMER)
TRANSMISSION LINE)
TERMINAL BLOCK(REMOTE CONTROLLER
TRANSMISSION(INDOOR-OUTDOOR)
LED3
VANE MOTOR
MV
POWER SUPPLY(R.B)
POWER SUPPLY(I.B)
LED2
LED1
SWITCH(COOLING ON/OFF)
SW2
SW1
LED2
LED1 LED(RUN INDICATOR)
SWITCH(HEATING ON/OFF)
LED(HOT ADJUST)
CONDENSER / EVAPORATOR TEMPERATURE
THERMISTOR (0
°
C/15k
Ω
, 25
°
C/5.4k
Ω
DETECT)
NAME
TRANSMISSION LINE)(OPTION)
TERMINAL BLOCK(REMOTE CONTROLLER
TB5
F1
ZNR
P.B
PIPE TEMPERATURE THERMISTOR/LIQUID
TH5
TH2
TH1
ROOM TEMPERATURE THERMISTOR
(0
°
C/15k
Ω
, 25
°
C/5.4k
Ω
DETECT)
(0
°
C/15k
Ω
, 25
°
C/5.4k
Ω
DETECT)
CONNECTING LINE)
TB4
CAPACITOR(FAN MOTOR)
C
FAN PHASE CONTROL
RELAY(FAN MOTOR)
SWITCH(EMERGENCY OPERATION)
JUMPER WIRE(CAPACITY CODE)
JUMPER WIRE(MODEL SELECTION)
CONNECTOR(HA TERMINAL-A)
CONNECTOR(REMOTE SWITCH)
CONNECTOR(LOSSNAY)
FC
X4
SWE
SW2
SW1
CN41
CN32
CN2L
INDOOR CONTROLLER BOARD
VARISTOR
FUSE(4A)
INDOOR POWER BOARD
I.B
NAME
SYMBOL
NAME
SYMBOL
SYMBOL
MF
FAN MOTOR
Buzzer sound
Single beep
✕
1
Single beep
✕
2
Single beep
✕
4
Single beep
✕
5
Single beep
✕
6
Single beep
✕
8
Single beep
✕
2
Double beep
✕
1
Sounds other than
above
No sound
Triple beep
[Self-diagnosis]
An explanation of the wireless remote controller self checking operations, check codes, buzzer sounds and LED signals are given
below. For check codes and symptom see the table below please.
1.Press the CHECK button twice continuously.
• CHECK begins to light and refrigerant address display
"00" begins to blink.
• Start this operation from the status of remote controller
display turned off.
2.Press the TEMP
▼
,
▲
buttons.
• Set the refrigerant address of the indoor unit that is to
be self-diagnosed.
• Set the refrigerant address of outdoor unit by outdoor unit
dip switch "SW1".
(Refer to installation manual of outdoor unit for the detail.)
3.While pointing the remote controller toward the unit's
receiver, press the h button.
• The check code will be indicated by the number of times
that the buzzer sounds from the receiver section and the
number of blinks of the operation lamp.
4.While pointing the remote controller toward the unit's
receiver, press the ON/OFF button.
• Self-check mode is canceled.
PKA-RP2.5FAL PKA-RP3FAL PKA-RP4FAL
OC301B--2.qxp 13.8.20 3:22 PM Page 35
OC301B
