1 - 172
PKFY
4. ELECTRICAL WIRING DIAGRAMS
YKB/YLM 2nd
MEE15K022
4. ELECTRICAL WIRING DIAGRAMS
PKFY
-P15, 20, 25VBM-E
Note
1. At servicing for outdoor unit, always follow the wiring diagram of outdoor unit.
2. In case of using MA-remote controller,please connect MA remote controller cable in an accessory
to the connector . (Remote controller wire is non-polar.)
3. In case of using M-NET,please connect to TB5 (Transmission line is non-polar.)
4. Symbols used in wiring diagram above are, : terminal block, : connector
5. The setting of the SW2 dip switches differs in the capacity. For the detail, refer to the fig : *1.
6. Please set the switch SW5 according to the power supply voltage.
Set SW5 to 240V side when the power supply is 230 and 240 volts.
When the power supply is 220 volts, set SW5 to 220V side.
Legend
Symbol
I.B
CN32
CN51
CN52
CN105
SW2
SW2
SW3
TH21
TH22
Remote switch
Centrally control
Remote indication
IT Terminal
Capacity code
Mode selection
Room temp,detection
(0°C/15kΩ,25°C/5.4kΩ)
Pipe temp,detection/Liquid
(0°C/15kΩ,25°C/5.4kΩ)
Name
Indoor controller board
P.B
W.B
Indoor power board
FUSE
Fuse (T6.3AL 250V)
F.C
Fan phase control
MF
Fan motor
C1
Capacitor (Fan motor)
MV
Vane motor
LEV
Linear expansion valve
Connector
Switch
Switch
Thermistor
Symbol
TB2
TB5
Power supply
Transmission
Address board
Mode selection
Name
Symbol
Name
Terminal
block
TH23
Pipe temp,detection/Gas
(0°C/15kΩ,25°C/5.4kΩ)
Models
P15
1
2
3
4
ON
OFF
SW2
Models
P20
1
2
3
4
ON
OFF
SW2
Models
P25
SW2
1
2
3
4
ON
OFF
1
2
A.B
SW1
SW1
SW5
RU
BZ
LED1
LED (Operation indicator:Green)
LED (Preparation for heating:Orange)
Emergency operation (Heat)
Emergency operation (Cool)
LED2
SW11
SW12
SW14
Voltage selection
Address setting 1s digit
Address setting 10ths digit
Branch No.
Switch
Receving unit
Buzzer
Wireless remote controller board
Mark
LED1
LED2
Meaning
Main power supply
Power supply for
MA-Remote controller
Function
Power supply for MA-Remote controller
o
n
→
l
a
m
p
i
s
l
i
t
Main power supply(Indoor unit : 220-240V)
p
o
w
e
r
o
n
→
l
a
m
p
i
s
l
i
t
LED on indoor board for service
The black square (■) indicates a switch position. <*1>
MV
M
RED
WHT
BLU
ORN
YLW
CN5V
VANE
(BLU)
CN52
(GRN)
CN51
(WHT)
CN41
(WHT)
CN32
(WHT)
6
5
9
CN60
LEV
(WHT)
BRN
RED
BLU
ORN
YLW
WHT
9
CN3A
MA-
REMOCON
(BLU)
MF
FAN
(GRN)
CND
(RED)
CN2M
M-NET
(BLU)
TO OUTDOOR UNIT
BC CONTROLLER
M-NET REMOTE CONTROLLER
DC24 - 30V
BREAKER
(15A)
FUSE
(15A)
PULL
BOX
TB2
TO NEXT
INDOOR UNIT
POWER SUPPLY
~/N 220 - 240V 50Hz
~/N 220V 60Hz
RED
RED
WHT
BLK
BLU
GRN /YLW
BLU
BLU
1
TB5
2
TO MA-REMOTE
CONTROLLER
DC8.7 - 13V
ORN
ORN
FUSE
250V
6.3A
C1
LED1
TAB1
CN35P
(BLU)
F.C
CN53P
(RED)
CN53M
(RED)
CN35M
(BLU)
LED2
CN29
GAS
(BLK)
CN21
LIQUID
(WHT)
TH23
TH22
CN20
INTAKE
(RED)
TH21
CN81
ADDRESS
(RED)
(RED)
ADDRESS
CN82
CN42
ADDRESS
(RED)
(RED)
ADDRESS
CN43
SW2
SW3
J41
Pair No.
J42
12345678910
1234
ON
OFF
I.B
See fig :*1
SW5
SW1
220V
240V
A.B
W.B
ON
OFF
P.B
4
8
12345678910
4
1
1
1
1
1
2
1
2
1
3
2
1
3
1
3
1
4
6
1
3
1
4
5
6
CN90
WIRELESS
(WHT)
9
1
1
4
1
8
1
1
5
5
8
1
1
5
LED2
CNB
RU
SW1
SW2
LED1
BZ
t°
t°
t°
M
M
1~
LEV
M1
M2
L
N
CN105
(RED)
5
1
1
3
1
2
1
5
1
5
SW14
BRANCH
No.
SW11
1s
DIGIT
SW12
10ths
DIGIT
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
