Wiring Diagram - Mitsubishi Electric Mr. SLIM PLA Series Service Manual

7

WIRING DIAGRAM

PLA-A12EA7R1.TH
PLA-A30EA7R1.TH
2 Be sure to turn off the source power
and then disconnect fan motor connector.
(Failure to do so will cause trouble in Fan motor)
I.B
1
TB4
YE
S1
OG
TO
S2
OUTDOOR
OG
UNIT S3
BN
<Table 1> SW1 (MODEL SELECTION)
MODELS Manufacture/Service
PLA- 1 2 3 4 5 6
ON
A.EA7
OFF
<Table 2> SW2 (CAPACITY CODE)
CAPACITY Manufacture/Service CAPACITY
1 2 3 4 5
ON
12 30
OFF
1 2 3 4 5
18 ON 36
OFF
1 2 3 4 5
24 ON 42
OFF
TCH070A
TCH070A.indd 20 TCH070A.indd 20
PLA-A18EA7R1.TH
PLA-A36EA7R1.TH
[LEGEND]
SYMBOL NAME
I.B INDOOR CONTROLLER BOARD
CN2L CONNECTOR (LOSSNAY)
CN32 CONNECTOR (REMOTE SWITCH)
CN41 CONNECTOR (HA TERMINAL-A)
CN51 CONNECTOR (CENTRALLY CONTROL)
CN105 CONNECTOR (IT TERMINAL)
F1 FUSE (T6.3AL250V)
LED1 POWER SUPPLY (I.B)
LED2 POWER SUPPLY (R.B)
LED3 TRANSMISSION (INDOOR-OUTDOOR)
SW1 SWITCH (MODEL SELECTION) Refer to <Table 1>
SW2 SWITCH (CAPACITY CODE) Refer to <Table 2>
SWE CONNECTOR (EMERGENCY OPERATION)
DP DRAIN PUMP
FS DRAIN FLOAT SWITCH
MF FAN MOTOR
MV VANE MOTOR
MF DP
2
MS MS
TH5
3~ 3~
FS
t° t°
4 7 3 1 4 1 4
CNMF CNP CN4F CN44
(WH) (WH) (WH) (WH)
~
~
F1
LED1
CN01 CN3C (BU) CN32 (WH)
(BK)
1 3 5 1 3
BK
Manufacture/Service The black square ( ) indicates
a switch position.
1 2 3 4 5
ON
OFF
1 2 3 4 5
ON
OFF
1 2 3 4 5
ON
OFF
PLA-A24EA7R1.TH
PLA-A42EA7R1.TH
SYMBOL
TERMINAL BLOCK (INDOOR/OUTDOOR
TB4
CONNECTING LINE)
TERMINAL BLOCK (REMOTE CONTROLLER
TB5, TB6
TRANSMISSION LINE)
ROOM TEMP. THERMISTOR
TH1
(32°F / 15kΩ, 77°F / 5.4kΩ DETECT)
PIPE TEMP. THERMISTOR/LIQUID
TH2
(32°F / 15kΩ, 77°F / 5.4kΩ DETECT)
COND./EVA. TEMP. THERMISTOR
TH5
(32°F / 15kΩ, 77°F / 5.4kΩ DETECT)
R.B WIRED REMOTE CONTROLLER
OPTION PART
W.B PCB OF SIGNAL RECEIVER
BZ BUZZER
LED1 LED (OPERATION INDICATION : GREEN)
LED2 LED (PREPARATION FOR HEATING : ORANGE) [HEAT PUMP ONLY]
RU RECEIVING UNIT
SW1 EMERGENCY OPERATION (FAN/DOWN)
SW2 EMERGENCY OPERATION (COOL/UP)
MT I-SEE SENSOR MOTOR
TERMINAL BLOCK (INDOOR UNIT POWER
TB2
AND TRANSMISSION LINE)
.
AUTOMATIC FILTER
ELEVATION PANEL
I-SEE SENSOR
(OPTION PART)
CORNER PANEL
(OPTION PART)
M
1 4
TH2 TH1
CN4G
MT
t°
1 2 1 1 2 4 1 5 1
5
CN20
CN2L CN41 CN51
1 5
(RD) (RD) (WH) (WH)
4
1 5
CN5Y
1 4 (WH)
LED3
CN105
1
(RD)
CN4G
(BU)
CN4Z (WH)
SWE
CN90 (WH)
ON OFF
J52 J41 J42
SW2 SW1
3 1
Refer to Table 1 and 2
Notes: 1. Symbols used in wiring diagram above are,
:Connector.
2. Indoor and outdoor connecting wires are made with polarities, make
wiring matching terminal numbers (S1, S2, S3).
3. Since the outdoor side electric wiring may change be sure to check
the outdoor unit electric wiring for servicing.
4.This diagram shows the wiring of indoor and outdoor connecting
wires (specification of 208V/230V), adopting superimposed system of
power and signal.
If the separate indoor/outdoor unit power supplied system is
applied, refer to Fig 2.
For power supply system of this unit, refer to the caution label
located near this diagram.
1. Use copper supply wires.
,
Utilisez des fils d alimentation en cuivre.
20
NAME
MV MV MV MV
M M M M
5 5 5 5
I-SEE
SENSOR
20
2 20
1 19
CNV
(WH)
4
LED2
4
R.B
TB5
1 9 2 B
2
1 A
TB6
9
W.B
SIGNAL RECEIVER
BZ
9 1
LED2
LED1
CORNER PANEL
(OPTION PART)
RU
CNB
SW1 SW2
:Terminal (block),
7/2/2565 16:46:48 7/2/2565 16:46:48