23
10. Electronic Circuit Diagram
ELECTRONIC
CONTROLLER
(SUB)
ELECTRONIC CONTROLLER
(MAIN)
ELECTRONIC
CONTROLLER
(DISPLAY)
ELECTRONIC
CONTROLLER
(RECEIVER)
CN–DISP
(WHT)
CN–RCV
(WHT)
CN–DISP
(YLW)
CN–RCV
(YLW)
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
B
R
BL
Y
W
NOISE FILTER
CIRCUIT
1
1
1
1
5
3
5
5
1
5
2
4
1
1
6
1
4
1
6
4
1
P
B
W
BL
GR
W
BR
G
Y
BR
R
O
Y
P
W
W
W
W
W
W
W
W
W
W
CN–STM1
(WHT)
CN–CNT
(WHT)
FUSE301
T3.15A L250V
SW01
CN–NANO
(YLW)
CN1
(WHT)
CN2
(WHT)
W
W
BL
HIGH VOLTAGE
POWER SUPPLY
NANOE
GENERATOR
4
1
CN–RMT
(WHT)
1
M
5
UP DOWN
LOUVER MOTOR
(OUTER)
1
7
4
CN–FM
(WHT)
FAN MOTOR
M
GROUNDING
TERMINAL
1
2
3
AC303
(WHT)
BLK
WHT
RED
GRN
YLW/GRN
AC306 (BLK)
AC304
(RED)
G301
(GRN)
TEMPERATURE FUSE
102°C
TERMINAL
BOARD
TO
O
U
TDOO
R
UN
IT
EVAPORATOR
CN-DATA 1
(GRN)
1
5
1
5
CN-101
(GRN)
W
W
W
W
W
CN-DATA 3
(YLW)
1
5
1
5
CN-103
(WHT)
W
W
W
W
W
EL
EC
TR
ON
IC
C
O
NT
RO
LL
ER
(W
IF
I M
O
D
U
LE
)
1
8
3
4
1
GR
GR
GR
GR
CN–WLAN
(WHT)
CN-WLAN
(BLK)
5V_3
5V_3
G3
C400
R401
G3
G3
R93
C401
G3
R405
C402
NONE
R406
NONE
C403
NONE
12V_1
G7
G7
S
-20V
-2A
C
E
B
D
G
G7
R109
C65
R108
Q21
Q18
Q20
F303
32V
500mA
4.7k
10K
50V
100mA
50V
100mA
C
E
B
4.7k
10K
t°
t°
t°
CN–TH
(RED)
1
6
PIPING TEMP. SENSOR 1 (THERMISTOR)
PIPING TEMP. SENSOR 2 (THERMISTOR)
SUCTION TEMP. SENSOR (THERMISTOR)
LEFT RIGHT
LOUVER MOTOR
1
5
BR
R
O
Y
P
CN–STM2
(YLW)
1
M
5
1
5
BR
R
O
Y
P
CN–STM3
(BLU)
1
M
5
UP DOWN
LOUVER MOTOR
(INNER)
5V
C28
R63
C27
1u
16V
B3
R61
20k
1%
C25
1u
16V
B3
R62
15k
1%
5V
L5
L6
12V
F301
32V
500mA
5V
C57
C56
C51
1000p
50V
B1
C52
1000p
50V
B1
R90
10k
5V
R58
JR4
0
5V
5V
C49
NONE
C47
NONE
R37
10k
R54
270
C45
12V
G7
5V
R112
R113
C67
50V
12V
R47
R46
1/3W
43
1/3W
43
IC05
IC05
IC05
IC05
IC05
IC05
IC05
IC05
16
15
14
13
12
11
10
1
2
3
4
5
6
7
12V
IC06
16
1
IC06
14
3
IC06
15
2
IC06
13
4
IC06
10
7
IC06
11
6
IC06
12
5
IC06
1
2
12V
5V
BZ01
A48PKM17EPP
R30
1k
IC03
16
1
IC03
15
2
IC03
14
3
IC03
13
4
IC03
12
5
IC03
11
6
IC03
5V
R402
NONE
C404
1000p
B1
50V
R403
510
5V
5V
TP2
TP3
C380
NONE
5V
GND-A
GND-A
R201
R202
R203
LED201
C
E
B
A
K
LED202
A
K
LED203
A
K
13V
LED204
A
K
R214
R204
R221
Q1
C202
C201
1
2
3
5V
IC201
R209
4
5
VOUT
VCC
GND
GND
GND
GND-A
5V_
GND-A
GND-A
70
60
50
40
30
20
-10
0
10
20
30
40
50
10
0
R
e
si
st
an
ce
(k
Ω
)
Sensor (Thermistor)
Characteristics
Pipe temp. Sensor
Intake Air Temp. Sensor
Temperature (°C)
REMOTE CONTROLLER