Mitsubishi City Multi Series PLFY-P08NCMU-E Technical & Service Manual page 14

PLFY-P08NCMU-ER4.TH
LEGEND
SYMBOL NAME
I.B INDOOR CONTROLLER BOARD
CN24 CONNECTOR EXTERNAL HEATER
CN32 REMOTE SWITCH
CN41 HA TERMINAL-A
CN51 CENTRALLY CONTROL
CN52 REMOTE INDICATION
FUSE FUSE(T6.3AL 250V)
MODE SELECTION
SW1 SWITCH
CAPACITY CODE
SW2
SW3 MODE SELECTION
SW4 MODEL SELECTION
SW11 ADDRESS SETTING 1s DIGIT
ADDRESS SETTING 10ths DIGIT
SW12
SW14 BRANCH No.
SWE DRAIN PUMP(TEST MODE)
DRAIN PUMP/DEW PREVENTION HEATER
X1 AUX.
RELAY
X4 FAN MOTOR(LL)
FAN MOTOR(Lo)
X5
X6 FAN MOTOR(Hi)
FAN MOTOR(Me)
X7
GRILLE
RED
10
RED 5
5
M
MV
7
RED
5
M
ORN 6
5
3
MV
2
5
M
1
BLU
MV
5
M I.B
MV
CN24
(YLW)
2
1
ON
OFF
ON
OFF
1 2
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,
6.The setting of the SW2 dip switches differs in the capacity. For the detail,
refer to the fig:*1.
7.Use copper supply wire.
LED on indoor board for service
Mark Meaning
LED1
Main power supply
(RED)
Power supply for
LED2
(RED) MA-Remote controller
OCH410D
PLFY-P12NCMU-ER4.TH
SYMBOL NAME
C1 CAPACITOR(FAN MOTOR)
DP DRAIN PUMP
DS DRAIN SENSOR
H2 DEW PREVENTION HEATER
LEV LINEAR EXPANSION VALVE
MF FAN MOTOR(WITH THERMAL FUSE)
MV VANE MOTOR
TB2 TERMINAL POWER SUPPLY
TB5 TRANSMISSION
BLOCK
TB15 MA-REMOTE CONTROLLER
TH21 THERMISTOR ROOM TEMP. DETECTION
(32 ° F/15k ,77 ° F/5.4k )
TH22 PIPE TEMP. DETECTION / LIQUID
(32 ° F/15k ,77 ° F/5.4k )
TH23 PIPE TEMP. DETECTION / GAS
(32 ° F/15k ,77 ° F/5.4k )
INDOOR POWER BOARD
P.B
MF
M
1~
ORN
C1
RED
FAN
SWE
(WHT)
1 3 5 7 9
OFF ON
CN32
(WHT)
3 X6 X5 X4 X7
1
CN41 CN51
SW1
(WHT) (WHT)
4 1 5
1 2 3 4 5 6 7 8 910
CN52
SW2 SW3 SW4
(GRN)
ON
OFF
1 2 34 5 5
1 2 3 4 5 6 7 8 910
3 4 5 6
See fig:*1
: terminal block,
Function
Main power supply (Indoor unit)
Power on → Iamp is lit
Power supply for MA-Remote controller
on → Iamp is lit
DP
M
1~
1 3
CND CNC
CNP
(ORN ) (RED )
(BLU)
1 3 1 3 1 3
FUSE
X1
CN90 CN60
(WHT) (WHT)
6
9 1
1
SW14 SW12 SW11
CN6V
(GRN)
6
1 1
BRANCH 10ths
No. DIGIT
6
5
M
LEV
<fig:*1>
MODELS
: connecter.
The black square (■) indicates a switch position.
14
PLFY-P15NCMU-ER4.TH
TB2
RED FUSE BREAKER
L1
PULL
(16A) (16A)
BLU
BOX
L2
GRN/YLW
GR
TO NEXT
INDOOR
UNIT
P.B
DC13.1V
TRANS
CN2S
CNSK
(RED ) (WHT)
3
2
1
1
CNDK
1
BLK
CN2D
(RED )
WHT
3 1
(WHT)
2
TB5
1
LED1
CN2M
(RED)
(BLU)
2
TB15
CN31 1
CN3A
(WHT)
(BLU)
3
1
1
3
LED2
(RED)
CN20
CN21
CN29
(RED)
(WHT) (BLK )
2 1 2 1 2 1
1s
DIGIT
t° t° t° t°
DS TH21 TH22 TH23
SW2
ON
P08
OFF
123456
ON
P12
OFF
123456
ON
P15
OFF
123456
POWER SUPPLY
208-230V 60Hz
TO OUTDOOR UNIT
M1
BC CONTROLLER
M2 M-NET REMOTE
CONTROLLER
S
DC24-30V
TO MA-REMOTE
1
CONTROLLER
2
DC8.7-13V