Wiring Diagram - Mitsubishi Electric PLFY-P20VEM-E Technical & Service Manual

6

WIRING DIAGRAM

PLFY-P20VEM-E.UK
PLFY-P50VEM-E.UK
PLFY-P125VEM-E.UK
SYMBOL
I. B INDOOR CONTROLLER BOARD
CN27 CONNECTOR DAMPER
CN32 REMOTE SWITCH
CN51 CENTRALLY CONTROL
CN52 REMOTE INDICATION
F1 FUSE (T 6.3AL 250V)
MODE SELECTION
SW1 SWITCH
SW2 CAPACITY CODE
SW3 MODE SELECTION
SW11 ADDRESS SETTING 1s DIGIT
SW12 ADDRESS SETTING 10s DIGIT
SW14 BRANCH NO.
SW21 CEILING HEIGHT
DISCHARGE OUTLET NUMBER
OPTION SELECTOR
SW22 PAIR NO. SETTING
SWE DRAIN PUMP (TEST MODE)
* 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
~/N 220-240V 50Hz
F1
220V 60Hz
BREAKER
(16A)
FUSE(16A)
3 5
1
BK
RD
PULL
L
BOX
BU
N
TO NEXT
INDOOR UNIT
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 ME-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,
: terminal block,
6. The setting of SW2 differs in the capacity and model.
For the detail, refer to the table 1.
7. Make sure to turn off the indoor and the outdoor units
before replacing indoor controller board.
8. is the switch position.
OCH657
PLFY-P25VEM-E.UK
PLFY-P63VEM-E.UK
NAME SYMBOL
DP DRAIN PUMP
FS DRAIN FLOAT SWITCH
LEV LINEAR EXPANSION VALVE
MF FAN MOTOR
MV VANE MOTOR
TH21 THERMISTOR
TH22
TH23
TB2 TERMINAL
TB5 BLOCK
TB15
W.B
BZ
CNB
LED2 LED1
RU
9 1
SW1 SW2
DP
MS
3~
9
7 3 1
CNP
(WH)
9 1
CN90
(WH)
LED1
SWE
-
OFF ON
CN4Z
(WH)
4
0 9 8 7 6 5 4 3 2 1
CND
(BK)
1
SW3
I-SEE SENSOR
CORNER PANEL
(OPTION PART)
4
<Table 1> SW2 (CAPACITY CODE)
MODELS
20
25
32
: connector.
LED on indoor board for service
Mark
LED1
LED2
PLFY-P32VEM-E.UK
PLFY-P80VEM-E.UK
OPTION PART
NAME
W.B
BZ
LED1
LED2
RU
SW1
ROOM TEMP. DETECTION
SW2
(0ºC/15kΩ, 25ºC/5.4kΩ)
MT
PIPE TEMP. DETECTION / LIQUID
(0ºC/15kΩ, 25ºC/5.4kΩ)
PIPE TEMP. DETECTION / GAS
(0ºC/15kΩ, 25ºC/5.4kΩ)
POWER SUPPLY
TRANSMISSION
MA-REMOTE CONTROLLER
TH22
FS
tº
TH21 TH23
4 tº tº
4 1
4 1 2 1 4 1
CN4G
CN4F CN44
CN20
(BU)
(WH) (RD) (WH)
2
1
CN5Y
CN27
(WH)
(RD)
5 1
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
Refer to table 1.
I-SEE M
SENSOR
5
MT
SW2 MODELS SW2 MODELS
ON ON
40 80
OFF OFF
1 2 3 4 5 6 1 2 3 4 5 6
ON ON
50 100
OFF OFF
1 2 3 4 5 6 1 2 3 4 5 6
ON ON
63 125
OFF OFF
1 2 3 4 5 6 1 2 3 4 5 6
Meaning
Main Power supply (Indoor unit:220-240V AC)
Main power supply
power on → lamp is lit
Power supply for Power supply for MA-Remote controller
MA-Remote controller on → lamp is lit
20
PLFY-P40VEM-E.UK
PLFY-P100VEM-E.UK
PCB FOR WIRELESS REMOTE CONTROLLER
BUZZER
LED (OPERATION INDICATION : GREEN)
LED (PREPARATION FOR HEATING : ORANGE)
RECEIVING UNIT
EMERGENCY OPERATION (HEAT / DOWN)
EMERGENCY OPERATION (COOL / UP)
I-SEE SENSOR MOTOR
AUTOMATIC FILTER
ELEVATION PANEL
1 4
(OPTION PART)
CN4G
LEV
M
6
5 1 5 1
CN51 CN52
(WH) (GN)
LED2
CN60
(WH)
6
1
1 3
CN32
CNV
(WH)
(WH)
SW11 SW12 SW14
6 5 4 3 2 1
OFF OFF
ON ON
19
BRANCH No.
1s DIGIT 10s DIGIT SW21
SW2
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
Function
TB15
2
1
TB5
S
M2
M1
1 2
20
20
5 5 5 5
M M M M
MV MV MV MV