20
21
TCH070A
7
WIRING DIAGRAM
PLA-A12EA7R1.TH PLA-A18EA7R1.TH PLA-A24EA7R1.TH
PLA-A30EA7R1.TH PLA-A36EA7R1.TH PLA-A42EA7R1.TH
Notes: 1. Symbols used in wiring diagram above are,
2. Indoor and outdoor connecting wires are made with polarities, make
3. Since the outdoor side electric wiring may change be sure to check
4.This diagram shows the wiring of indoor and outdoor connecting
wiring matching terminal numbers (S1, S2, S3).
the outdoor unit electric wiring for servicing.
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.
:Terminal (block),
:Connector.
24
18
12
Manufacture/Service
Manufacture/Service
ON
OFF
ON
PLA-
A.EA7
OFF
1 2 3 4 5
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4 5
ON
OFF
ON
OFF
CAPACITY
CAPACITY
42
36
30
Manufacture/Service
ON
OFF
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
ON
OFF
ON
OFF
MODELS
<Table 2> SW2 (CAPACITY CODE)
<Table 1> SW1 (MODEL SELECTION)
NAME
SYMBOL
NAME
SYMBOL
I.B
INDOOR CONTROLLER BOARD
TERMINAL BLOCK (INDOOR/OUTDOOR
CONNECTING LINE)
TERMINAL BLOCK (REMOTE CONTROLLER
TRANSMISSION LINE)
ROOM TEMP. THERMISTOR
(32
°F / 15kΩ, 77°F / 5.4kΩ DETECT)
(32
°F / 15kΩ, 77°F / 5.4kΩ DETECT)
(32
°F / 15kΩ, 77°F / 5.4kΩ DETECT)
PIPE TEMP. THERMISTOR/LIQUID
COND./EVA. TEMP. THERMISTOR
WIRED REMOTE CONTROLLER
PCB OF SIGNAL RECEIVER
BUZZER
LED (OPERATION INDICATION : GREEN)
RECEIVING UNIT
EMERGENCY OPERATION (FAN/DOWN)
EMERGENCY OPERATION (COOL/UP)
I-SEE SENSOR MOTOR
TERMINAL BLOCK (INDOOR UNIT POWER
AND TRANSMISSION LINE)
LED (PREPARATION FOR HEATING : ORANGE) [HEAT PUMP ONLY]
TB4
TB5, TB6
TH1
TH2
TH5
BZ
LED1
LED2
RU
SW1
SW2
MT
TB2
R.B
W.B
OPTION PART
CONNECTOR (LOSSNAY)
CN2L
CN32
CN41
CN51
CN105
F1
LED1
LED2
LED3
SW1
SW2
SWE
DP
FS
MF
MV
CONNECTOR (REMOTE SWITCH)
CONNECTOR (HA TERMINAL-A)
CONNECTOR (CENTRALLY CONTROL)
CONNECTOR (IT TERMINAL)
CONNECTOR (EMERGENCY OPERATION)
DRAIN PUMP
DRAIN FLOAT SWITCH
FAN MOTOR
VANE MOTOR
FUSE (T6.3AL250V)
POWER SUPPLY (I.B)
POWER SUPPLY (R.B)
TRANSMISSION (INDOOR-OUTDOOR)
SWITCH (MODEL SELECTION) Refer to <Table 1>
SWITCH (CAPACITY CODE) Refer to <Table 2>
[LEGEND]
SIGNAL RECEIVER
CORNER PANEL
(OPTION PART)
(OPTION PART)
CN4G
FS
TH1
TH5
CN44
TB6
TB5
CN90 (WH)
(WH)
(WH)
LED3
LED2
CNV
SW1
SW2
OFF
CN3C (BU)
CN01
ON
SWE
Refer to Table 1 and 2
J41
J52
J42
(RD)
(RD)
(BK)
BK
BN
OG
OG
YE
TO
OUTDOOR
UNIT
TB4
S1
S2
S3
LED1
F1
~
~
(BU)
(WH)
(WH)
(WH)
2
B
A
2
4
5
4
1
CN20
CN4F
CN105
CN4G
CNP
CNMF
TH2
CNB
BZ
W.B
I.B
MF
3~
3~
MS
MS
DP
R.B
RU
1
9
LED2
SW1 SW2
LED1
1
1
1
1
5
(WH)
CN41
4
1
2
t°
t°
t°
1
4
1
20
2
1
3
1
1 3 5
CN32 (WH)
3
1
20
5
5
5
MV
MV
M
M
M
M
MV
MV
5
19
1
9
9
4
4
4
CN4Z (WH)
1
4
1
3
7
4
1
(OPTION PART)
MT
I-SEE
SENSOR
M
ELEVATION PANEL
.
AUTOMATIC FILTER
I-SEE SENSOR
CORNER PANEL
(RD)
CN2L
1
2
(WH)
CN51
5
1
(WH)
CN5Y
1
5
The black square ( ) indicates
a switch position.
1. Use copper supply wires.
Utilisez des fils d,alimentation en cuivre.
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)
2
TCH070A.indd 20
TCH070A.indd 20
7/2/2565 16:46:48
7/2/2565 16:46:48