47
10. Electronic Circuit Diagram
10.1 Indoor Unit
ELECTRONIC CONTROLLER
(MAIN)
WWWWWWWWWWW
5
1
CN–CNT
(WHT)
1
7
4
CN−FM (WHT)
ELECTRONIC CONTROLLER (DISPLAY AND RECEIVER)
CN-DISP (WHT)
1
11
FAN MOTOR
CN−TH
(RED)
PIPING TEMP. SENSOR 1 (THERMISTOR)
PIPING TEMP. SENSOR 2 (THERMISTOR)
SUCTION TEMP. SENSOR (THERMISTOR)
AC308 (BLK)
RY-PWR
RY-PWR2
AC307 (BRW)
AC303 (WHT)
AC304 (RED)
G301 (GRN)
EVAPORATOR
Y/G
Y/G
BL
BR
W
R
G
TERMINAL
BOARD
SINGLE PHASE
POWER SUPPLY
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
TO OUTDOOR UNIT
L
N
2
1
3
TEMP. FUSE 102°C
FUSE301
T3.15A L250V
GR GR GR
GR
ELECTRONIC CONTROLLER (WIFI MODULE)
CN-WLAN
(BLK)
CN-WLAN
(WHT)
4
1
38
1
RECTIFICATION
CIRCUIT
SW01
CN-DISP (YLW)
M
B
BL
Y
W
R
t°
t°
t°
1
6
111
Y/G (WITH CORE)
G
Y/G (EVA)
BR
W
R
BL
B
W
BL
G
WIRED
REMOTE
CONTROLLER
1
4
4
1
CN-RMT
(WHT)
CN-RMT
(WHT)
EVAPORATOR
G
5
1
CN–CNT (A)
(WHT)
6
1
CN–CNT (B)
(WHT)
UP DOWN LOUVER
MOTOR (LOWER)
UP DOWN LOUVER
MOTOR (UPPER)
LEFT RIGHT
LOUVER MOTOR
P
BR
R
O
Y
CN-STM3
(BLU)
5
1
1
M
5
P
BR
R
O
Y
CN-STM2
(YLW)
5
1
1
M
5
P
BR
R
O
Y
CN-STM1
(WHT)
5
1
1
M
5
REAR VIEW OF TERMINAL BOARD
5V
*C401
*R405
*C402
NONE
*R406
NONE
*C403
NONE
5V
*L5*L6
12V_1
*F301
5V
*C57
*C56
C51
1000p
50V
B1
C52
1000p
50V
B1
R90
10k
R82
10k
12V
IC06
116
IC06
125
IC06
107
IC03
161
12V
IC03
IC03
IC03
IC03
15
14
13
12
2
3
4
5
12V
IC06
152
IC06
161
IC06
143
IC06
134
5V
*C28
*R63
C27
1u
16V
B3
R61
20k
1%
C25
1u
16V
B3
R62
15k
1%
C3
0.1u
16V
B1
*C599 *C598
*R89
R38
510
5V
R119
10k
5V
R305
7.5k
ZD302
7.5V
R303
5.62k
1%
R302
4.75k
1%
PC303
Q304
PC306
AK
C
E
4.7K
4.7K
1
4
2
3
4
1
3
2
B
R304
10k
REMOTE CONTROLLER
12:00,Mon
SET TEMP.
FAN SPEED
25
.0
FLAP
AUTO
AUTO
MODE
AUTO
70
60
50
40
30
20
-10 0 10 20 30 40 50
10
0
Resistance (kΩ)
Sensor (Thermistor)
Characteristics
Pipe temp. Sensor
Intake Air Temp. Sensor
Temperature (°C)
5V
C49
NONE
R37
10k
*C45
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