4. ELECTRICAL WIRING DIAGRAMS
YKB/YLM 2nd
1 - 142
PLFY-VC
M/VBM
MEE15K022
4. ELECTRICAL WIRING DIAGRAMS
SYMBOL
NAME
I.B
INDOOR CONTROLLER BOARD
CN32
CN41
CN51
CONNECTOR
REMOTE SWITCH
P.B
OPTION PART
INDOOR POWER BOARD
W.B
PCB FOR WIRELESS REMOTE CONTROLLER
SW1
SW2
EMERGENCY OPERATION(HEAT)
EMERGENCY OPERATION(COOL)
LED(OPERATION INDICATOR:GREEN)
RECEIVING UNIT
JEMA HA TERMINAL-A
CENTRALLY CONTROL
CN52
REMOTE INDICATION
X1
X4
X5
X6
X7
AUX.
RELAY
FUSE
FUSE (T6.3AL 250V)
CN100
IT TERMINAL
LED1
BUZZER
BZ
LED2
RU
SYMBOL
NAME
TH21
DP
DS
THERMISTOR
ROOM TEMP. DETECTION
(
0
º
C
/
1
5
k
Ω
,
2
5
º
C
/
5
.
4
k
Ω
)
PIPE TEMP. DETECTION / LIQUID
(
0
º
C
/
1
5
k
Ω
,
2
5
º
C
/
5
.
4
k
Ω
)
PIPE TEMP. DETECTION / GAS
(
0
º
C
/
1
5
k
Ω
,
2
5
º
C
/
5
.
4
k
Ω
)
C1
CAPACITOR (FAN MOTOR)
DRAIN PUMP (TEST MODE)
TH22
TH23
DRAIN PUMP
DRAIN SENSOR
H2
DEW PREVENTION HEATER
DRAIN PUMP/DEW PREVENTION HEATER
FAN MOTOR (LL)
FAN MOTOR (Lo)
FAN MOTOR (Hi)
FAN MOTOR (Me)
MF
MV
LEV
LINEAR EXPANSION VALVE
FAN MOTOR (WITH THERMAL FUSE)
VANE MOTOR
TB2
TB5
TB15
TRANSMISSION
MA-REMOTE CONTROLLER
TERMINAL
BLOCK
POWER SUPPLY
SW4
SW11
SW12
SW14
SWE
ADDRESS SETTING 1s DIGIT
ADDRESS SETTING 10ths DIGIT
BRANCH No.
SW1
SW2
SW3
CAPACITY CODE
MODE SELECTION
MODE SELECTION
MODEL SELECTION
SWITCH
MODELS
P20
SW2
123456
ON
OFF
P15
123456
ON
OFF
P25
123456
ON
OFF
P32
123456
ON
OFF
P40
123456
ON
OFF
LED(PREPARATION FOR HEATING : ORANGE)
Notes:
1.At servicing for outdoor unit,always follow the wiring diagram of outdoor unit.
2.In case of using MA-Remote controller, please connect to TB15.
(Remote controller wire is non-polar.)
3.In case of using M-NET, please connect to TB5. (Transmission line is non-polar.)
4.Symbol [S]of TB5 is the shield wire connection.
5.Symbols used in wiring diagram above are, : terminal block, : connecter.
6.The setting of the SW2 dip switches differs in the capacity. For the detail,
refer to the fig:*1.
Mark
Meaning
Function
Power supply for
MA-Remote controller
Main power supply (Indoor unit)
P
o
w
e
r
o
n
→
I
a
m
p
i
s
l
i
t
LED on indoor board for service
LED1
Main power supply
Power supply for MA-Remote controller
o
n
→
I
a
m
p
i
s
l
i
t
LED2
LEGEND
PLFY
-P15, 20, 25, 32, 40VCM-E2
10
LED2
LED1
1
1
9
2
2
3
3
4
6
6
7
7
8
5
5
5
W.B
GRILLE
*Case of wireless grille type
8
1
CN100 *2
(WHT)
M
MV
RED
YLW
YLW
YLW
H2
WHT
VLT
ORN
RED
YLW
ORN
BLU
PINK
GRY
SKY BLU
BLU
BRN
5
M
MV
5
9
9
5
M
MV
5
M
MV
CNB
SW1
BZ
RU
SW2
LED2
12345
ON
OFF
SW4
ON
OFF
12345678910
SW1
SW3
12345678910
123456
SW2
ON
OFF
See fig *1
4
1
CN41
(WHT)
5
1
CN51 *2
(WHT)
CN31
(WHT)
3
1
tº
DS
5
1
CN52 *2
(GRN)
9
1
CN90
(WHT)
6
1
CN60
(WHT)
M
LEV
RED
YLW
WHT
ORN
BLU
BRN
6
6
1
CN6V
(GRN)
5
1
2
tº
TH23
1
2
tº
TH22
1
2
tº
TH21
CN20
(RED)
CN21
(WHT)
CN29
(BLK)
0
1
2
3
4
5
6
7
8
9
SW12
0
1
2
3
4
5
6
7
8
9
SW11
SW14
10ths
DIGIT
1s
DIGIT
BRANCH
No.
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
CN3A
(BLU)
CN2M
(BLU)
TB5
M1
M2
TB15
1
S
2
TO MA-REMOTE
CONTROLLER
DC8.7-13V
TO OUTDOOR UNIT
BC CONTROLLER
M-NET REMOTE
CONTROLLER
DC24-30V
CN2D
(WHT)
1
2
1
2
1
3
WHT
BLK
L
N
1
3
M
1~
RED
YLW
YLW
WHT
DP
BLU
TB2
RED
GRN/YLW
PULL
BOX
FUSE
(15A)
BREAKER
(15A)
TO NEXT
INDOOR
UNIT
POWER SUPPLY
~/N220-240V 50Hz
2
1
3
1
P.B
CNSK
(RED)
DC13.1V
CN2S
(WHT)
TRANS
M
1~
RED
ORN
BLU
YLW
BLK
WHT
BRN
MF
C1
1
3
5
7
9
FAN
(WHT)
1
1
3
1
3
1
3
3
CNP
(BLU)
CND
(ORN)
CNC
(RED)
FUSE
250V 6.3A
X7
X4
X1
X5
X6
LED1
CNDK
(RED)
I.B
CN32
(WHT)
3
1
J42
J41
JP17
JP16
Pair No.
SWE
OFF
ON
In connecting optional IT terminal,
use either CN51 or CN52 which is
not connected.
Be careful for connector colors.
CN51(WHT)
CN100(WHT)
1
3
4
5
8
1
5
5
1
IT terminal
PAC-IT51AD-E
*2
CN52(GRN)
CN100(WHT)
1
4
5
8
1
5
5
1
IT terminal
PAC-IT52AD-E
The black square(■)indicates
a switch position. <*1>
