Wiring Diagram - Mitsubishi Electric CITY MULTI Series Technical & Service Manual

6

WIRING DIAGRAM

PLFY-P08NEMU-E
PLFY-P24NEMU-E
* Be sure to turn off the source power and then
disconnect fan motor connector.
(Failure to do so will cause trouble in Fan motor)
MF
MS
3~
I.B
1 4
CNMF
(WH)
+
POWER SUPPLY
208/230V AC 60Hz
BREAKER
(16A)
1 3
FUSE(16A)
* 1
BK
RD
PULL BOX
L1
BU
L2
TO NEXT
INDOOR UNIT
<Table 1> SW2 (CAPACITY CODE)
MODELS SW2 MODELS
ON ON
08 24
OFF OFF
1 2 3 4 5 6
ON
ON
12 30
OFF OFF
1 2 3 4 5 6
ON ON
15 36
OFF OFF
1 2 3 4 5 6
ON
ON
48
18
OFF OFF
1 2 3 4 5 6
SYMBOL NAME
I. B INDOOR CONTROLLER BOARD
F1
FUSE (UL 6.3A 250V AC)
CN24 CONNECTOR EXTERNAL HEATER
CN27
DAMPER
CN32 REMOTE SWITCH
CN51 CENTRALLY CONTROL
CN52
REMOTE INDICATION
MODE SELECTION
SW1 SWITCH
SW2 CAPACITY CODE
SW3 MODE SELECTION
SW4 MODEL SELECTION
SW11 ADDRESS SETTING 1s DIGIT
SW12 ADDRESS SETTING 10s DIGIT
SW14 BRANCH NO.
SW21 CEILNG HEIGHT/DISCHARGE OUTLET
NUMBER/OPTION SELECTOR
SW22 PAIR NO. SETTING
SWE DRAIN PUMP (TEST MODE)
TH21 THERMISTOR ROOM TEMP. DETECTION
(32ºF/15kΩ, 77ºF/5.4kΩ)
LED on indoor board for service
Mark Meaning
LED1
Main power supply
Power supply for
LED2
MA-Remote controller
OCH611D
PLFY-P12NEMU-E
PLFY-P30NEMU-E
W.B
BZ
CNB
LED2 LED1
RU
1
9
SW1 SW2
DP
MS
3~
9
7 3 1
CNP
(WH)
9 1
2
CN90
(WH)
LED1
SWE
-
F1
OFF ON
CN4Z
(WH)
4
0 9 8 7 6 5 4 3 2 1
CND
(BK)
1
5
SW3
SW4
I-SEE SENSOR
Refer to table 2.
(CORNER PANEL
OPTION PART)
<Table 2> SW4 (MODEL SELECTION)
MODELS SW equipped
SW2
PLFY-P.
ON
OFF
NEMU-E
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
SYMBOL
THERMISTOR
TH22
TH23
MF FAN MOTOR
MV VANE MOTOR
MT I-SEE SENSOR MOTOR
DP DRAIN PUMP
FS
DRAIN FLOAT SWITCH
TB2
TERMINAL
TB5 BLOCK
TB15
LEV LINEAR EXPANSION VALVE
OPTION PART
W.B PCB FOR WIRELESS REMOTE CONTROLLER
BZ
BUZZER
LED1 LED (OPERATION INDICATION : GREEN)
LED2 LED (PREPARATION FOR HEATING : ORANGE)
RECEVING UNIT
RU
SW1 EMERGENCY OPERATION (HEAT / DOWN)
SW2 EMERGENCY OPERATION (COOL / UP)
Function
Main Power supply (Indoor unit:208/230V AC)
power on → lamp is lit
Power supply for MA-Remote controller
on → lamp is lit
PLFY-P15NEMU-E
PLFY-P36NEMU-E
TH22
FS
tº
TH21 TH23
tº tº
4 1 2 1 4 1
CN44
CN4F CN20
(WH) (RD) (WH)
1 2 1
CN5Y
CN27 CN24
(WH)
(RD) (YE)
5 1
1
CN32
(WH)
6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 4 3 2 1
OFF OFF OFF OFF
ON ON ON ON
SW2 SW1 SW22
Refer to table 1.
I-SEE M
SENSOR
MT
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-Remote controller, 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 SW2 and SW4 differs in the capacity and model. For the detail, refer the table 1 and 2.
7. Make sure to turn off the indoor and the outdoor units before replacing indoor controller board.
8. is the switch position.
*1. Use copper supply wires.
*1. Utilisez des fils d'alimentation en cuivre.
NAME
PIPE TEMP. DETECTION / LIQUID
(32ºF/15kΩ, 77ºF/5.4kΩ)
PIPE TEMP. DETECTION / GAS
(32ºF/15kΩ, 77ºF/5.4kΩ)
POWER SUPPLY
TRANSMISSION
MA-REMOTE CONTROLLER
20
PLFY-P18NEMU-E
PLFY-P48NEMU-E
LEV
M
6
5 1 5 1
CN51 CN52
(WH) (GN)
LED2
CN60
(WH)
6
1
1
3
CNV
(WH)
SW11 SW12 SW14
6 5 4 3 2 1
OFF
ON
19
BRANCH No.
1s DIGIT 10s DIGIT SW21
: terminal block,
TB15
2 TO MA-REMOTE
CONTROLLER
1
8.7-13V DC
TB5
S
TO OUTDOOR UNIT
M2
BC CONTROLLER
M1
REMOTE CONTROLLER
24-30V DC
2
20
20
5 5 5 5
M M M M
MV MV MV MV
: connector.