Electrical Wiring Diagrams - Mitsubishi Electric PLFY-P-NCMU-E Data Book

4. ELECTRICAL WIRING DIAGRAMS

PLFY-EP08, 12, 15, 18, 24, 30, 36, 48NEMU-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
CNMF
(WH)
+
POWER SUPPLY
208/230V AC 60Hz
BREAKER
(16A)
1 3 5
FUSE(16A)
* 1
BK
RD
PULL BOX
L1
BU
L2
TO NEXT
INDOOR UNIT
<Table 1> SW2 (CAPACITY CODE)
MODELS SW2 MODELS SW2
ON ON
08 24
OFF OFF
1 2 3 4 5 6 1 2 3 4 5 6
ON ON
12 30
OFF OFF
1 2 3 4 5 6 1 2 3 4 5 6
ON ON
15
36
OFF OFF
1 2 3 4 5 6 1 2 3 4 5 6
ON ON
18 48
OFF OFF
1 2 3 4 5 6 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
MODE SELECTION
SW3
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)
THERMISTOR ROOM TEMP. DETECTION
TH21
(32ºF/15kΩ, 77ºF/5.4kΩ)
LED on indoor board for service
Mark Meaning
Main Power supply (Indoor unit:208/230V AC)
LED1 Main power supply
power on → lamp is lit
Power supply for Power supply for MA-Remote controller
LED2
MA-Remote controller on → lamp is lit
MEE16K008_U
W.B
BZ
CNB
LED2 LED1
RU
9 1
SW1 SW2
DP
MS
3~
9
7 4 1
3
CNP
(WH)
9
1
2
CN90
CN27
(WH)
(RD)
LED1
SWE
-
F1
O F F O N
CN4Z
(WH)
4
0 9 8 7 6 5 4 3 2 1
CND
OFF
(BK)
ON
1
SW3
SW4
I-SEE SENSOR
Refer to table 2.
(CORNER PANEL
OPTION PART)
I-SEE
SENSOR
<Table 2> SW4 (MODEL SELECTION)
MODELS SW equipped
PLFY-EP. ON
OFF
NEMU-E
1 2 3 4 5 6
SYMBOL
TH22 THERMISTOR
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
PCB FOR WIRELESS REMOTE CONTROLLER
W.B
BZ BUZZER
LED1 LED (OPERATION INDICATION : GREEN)
LED2 LED (PREPARATION FOR HEATING : ORANGE)
RU RECEVING UNIT
SW1 EMERGENCY OPERATION (HEAT / DOWN)
SW2 EMERGENCY OPERATION (COOL / UP)
Function
TH22
FS
tº
TH21 TH23
tº tº
1 1 4 2 1 5
4
CN4F CN44 CN51
CN20
(WH) (WH) (WH)
(RD)
1 2 1
CN5Y CN60
CN24
(WH) (WH)
(YE)
5 1 6
3
CN32
(WH)
SW11
6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 4 3 2 1
OFF OFF OFF
ON ON ON
SW2 SW1 SW22 1s DIGIT
Refer to table 1.
M
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
LEV
M
6
1 5 1
TB15
2
CN52
1
(GN)
TB5
LED2
S
M2
1
M1
2
1
1
CNV
(WH)
SW12 SW14
6 5 4 3 2 1
OFF
ON
19 20
BRANCH No.
10s DIGIT SW21
20
5 5 5
M M
M V M V
: terminal block, : connector.
TO MA-REMOTE
CONTROLLER
8.7-13V DC
TO OUTDOOR UNIT
BC CONTROLLER
REMOTE CONTROLLER
24-30V DC
5
M M
M V MV
14