PLFY-10
PLFY-P-NCMU-ER4, -NBMU-E2 (November 2015)
© 2015 Mitsubishi Electric US, Inc.
PLFY-P08, 12, 15, 18, 24, 30, 36NBMU-E2
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 fig <*1>.
CN27
CN32
CN51
CN52
SW2
SW3
SW4
SWE
FUSE
X1
LED1
LED2
MF
MV
DP
FS
TB2
TB5
TB15
TH21
TH22
TH23
LEV
SW1
SW11
SW12
SW14
SWA
SWB
SWC
W.B
RU
BZ
LED1
LED2
SW1
SW2
POWER SUPPLY
TRANSMISSION
MA-REMOTE CONTROLLER
ROOM TEMP. DETECTION
PIPE TEMP. DETECTION / LIQUID
PIPE TEMP. DETECTION / GAS
FAN MOTOR
VANE MOTOR
DRAIN PUMP
DRAIN FLOAT SWITCH
TERMINAL
BLOCK
THERMISTOR
LINEAR EXPANSION VALVE
I. B
Mark
LED1
Main power supply
Power supply for
MA-Remote controller
Main Power supply (Indoor unit:208-230V)
power on → lamp is lit
Power supply for MA-Remote controller
on → lamp is lit
LED2
Meaning
Function
INDOOR CONTROLLER BOARD
CONNECTOR
DAMPER
EXTERNAL HEATER
REMOTE SWITCH
CENTRALLY CONTROL
REMOTE INDICATION
CAPACITY CODE
MODE SELECTION
MODEL SELECTION
DRAIN PUMP (TEST MODE)
SWITCH
FUSE (T6.3AL250V)
AUX. RELAY
POWER SUPPLY (I. B)
POWER SUPPLY (I. B)
DRAIN PUMP
SYMBOL
A. B
OPTION PART
ADDRESS BOARD
SWITCH
MODE SELECTION
ADDRESS SETTING 1s DIGIT
ADDRESS SETTING 10ths DIGIT
BRANCH NO.
CEILING HEIGHT SELECTOR
DISCHARGE OUTLET NUMBER
SELECTOR
OPTION SELECTOR
PCB FOR WIRELESS REMOTE CONTROLLER
RECEVING UNIT
BUZZER
LED (OPERATION INDICATION : GREEN)
LED (PREPARATION FOR HEATING : ORANGE)
EMERGENCY OPERATION (HEAT / DOWN)
EMERGENCY OPERATION (COOL / UP)
SYMBOL
NAME
NAME
LED on indoor board for service
CN24
SYMBOL
NAME
MT
I-SEE SENSOR MOTOR
CN105
IT TERMINAL
(32°F/15kΩ, 77°F/5.4kΩ)
(32°F/15kΩ, 77°F/5.4kΩ)
(32°F/15kΩ, 77°F/5.4kΩ)
1
9
*Be sure to turn off the source power
and then disconnect fan motor connector.
(Failure to do so will cause trouble in Fan motor)
A.B
(RED)
ADDRESS
CN43
ADDRESS
CN81
(RED)
LED2
ADDRESS
CN42
(RED)
(RED)
ADDRESS
CN82
VANE
CNV
(WHT)
SWB
SWA
SW1
MV MV MV MV
CN32
(WHT)
SW3
SW4
SWE
SW2
ON
OFF
ON
OFF
ON
OFF
ON
OFF
9
6
5
4
8
5
5
5
5
4
3
2
1
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6
1 2 3 4 5
GRILLE
2
3
4
See fig: *1
*2
M-NET
CN2M
(BLU)
CND
(BLK)
CNAC
(WHT)
D.U.M
CNP
(BLU)
FAN
CNMF
(WHT)
INTAKE
CN20
(RED)
CN25
(WHT)
FLOAT SW
CN4F
(WHT)
WIRELESS
CN90
(WHT)
LEV
CN60
(WHT)
WH
T
YL
W
OR
N
BL
U
RE
D
BR
N
MA REMOCON
CN3A
(BLU)
I-SEE SENSOR
CN4Y
(WHT)
I-SEE SENSOR MOTOR
CN6Y
(RED)
LIQUID/GAS
CN44
(WHT)
CN41
(WHT)
CN51
(WHT)
CN52
(GRN)
CN3G
(BLK)
TH21
TH23
TH22
FS
CN27
(RED)
LED1
X1
FUSE
TB5
(SHIELD)
TB2
RED
BLU
GRN/YLW
TO OUTDOOR UNIT
BC CONTROLLER
REMOTE CONTROLLER
24-30V DC
TO NEXT
INDOOR UNIT
PULL BOX
FUSE(16A)
BREAKER
(16A)
POWER SUPPLY
~/N 208-230V 60Hz
I.B
DC311~339V
RECTIFICATION
BZ
LEV
MT
LED2
SW1
CNB
TO MA-REMOTE
CONTROLLER
8.7-13V DC
I-SEE SENSOR CORNER PANEL
(OPTION PART)
(OPTION PART)
I-SEE
SENSOR
TB15
SW2
LED1
RU
W.B
Pair No.
J42 J41
2
2
1
4
1
2
1
4
1
8
1
5
1
5
1
6
M
M
1
4
1
6
1 3
1
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
P12
MODELS
MODELS
<*1>
SW2
SW2
P15
P18
P24
P30
P36
ON
OFF
1 2 3 4 5 6
P08
t°
t°
1
4
1
4
2
1
CN24
(YLW)
2
1
3
1
2
1
2
1
7
4
1
1
3
1
3
3~
MF
MS
M
1~
2 1
1 3 5
L1
L2
GR
M1
M2
S
M M M M
1
4
1
8
CN105
(RED)
1
5
DP
is the switch position.
t°
1 2 3 4 5 6 7 8 9 10
*2. Use copper supply wires.
*2. Utilisez des fils d’alimentation en cuivre.
012
34
56
789
AB
C
D
EF
0 1
2
3
45
6
7
8
9
0 1
2
3
45
6
7
8
9
10ths
DIGIT
1s
DIGIT
BRANCH
No.
SWC
SW12 SW11
SW14
2
1
4. ELECTRICAL WIRING DIAGRAMS
