21
9. Electronic Circuit Diagram
9.1 Indoor
Unit
t˚
t˚
t˚
Y
B
W
BL
R
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
M
CN-FM
(WHT)
7
6
5
4
1
2
1
G
BL
W
R
Y/G
G01(GRN)
AC01(BLK)
AC02(WHT)
AC03(RED)
FUSE01
T3.15A L250V
TRANSFORMER
MOTOR
DRAIN PUMP
M
~
1
TO
O
U
T
D
OO
R
U
N
IT
ELECTRONIC CONTROLLER (MAIN)
ELECTRONIC
CONTROLLER
(DISPLAY)
SW02
SW01
HIGH STATIC
PRESSURE
(FAN)
1
3
1
10
1
4
CN-TH1
(WHT)
CN-DISP(WHT)
CN-TH2
(BLU)
1
4
MOTOR
FLOAT
SWITCH
INTAKE AIR TEMPERATURE SENSOR
(15k 3950)
CN-STM1
(WHT)
5
1
CN-T2
(YLW)
CN-T1
(WHT)
1
2
2
1
T-
B
L
K
1
T-
B
L
K
2
CN-DRMTR1
(BLU)
TERMINAL
BOARD
BL
BL
Y
Y
R
R
BR
R
O
Y
P
BL
BL
P
P
BL
BL
BL
BL
BL
BL
BR
BR
R R B
B
W
Y Y W
INDOOR PIPE
TEMPERATURE
SENSOR 2
(20k 3950)
INDOOR PIPE
TEMPERATURE
SENSOR 1
(20k 3950)
P
O Y
R
BR
1
5
CN-STM2
(YLW)
MOTOR
CN-CNT
(WHT)
5
1
10
1
CN-DISP(WHT)
M
5
1
M
1
5
DRAIN PUMP
TEST RUN
3
C04
1
C43
R75
5V
R31
20.0k
R55
10k
R56
10k
R57
1k
R54
1k
R33
15.0k
C29
1000p
5V
5V
5V
C31
0.01
C05
1
12V
12V
12V
12V
IC05
IC07
7
6
5
4
3
2
1
7
6
5
4
3
2
1
10
11
12
13
14
15
16
10
11
12
13
14
15
16
8
9
8
9
12V
SSR01
SSR02
5V
C30
R13
BZ
5V
R203
10k
IC201
Vout 1
R202
47
C202
Vout 2
GND 3
(NHG)
5V
R201
1k
BZ201
5V
SW201
Auto
1
D201
D202
D203
D204
D205
Power
Timer
Powerful
Quiet
Air Swing
3
+ C201
47 F
5V
5V
REMOTE CONTROLLER
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
(14)
0
(32)
10
(50)
Temperature °C (°F)
R
e
sista
n
ce
(k
)
20
(68)
30
(86)
40
(104)
50
(122)
1
2
2
1
Pipe temp. Sensor
Intake Air Temp. Sensor
MODE
PO W ER F U L/
Q U IE T
T E M P
OFF/ON
TIMER
SET
CANCEL
ON
OFF
1
2
3
A IR SW IN G
F A N S PE E D
SET C HE CK C LO C K
R ESET
A C
R C
FAN
SPEED
AIR
SWING
AUTO
HEAT
COOL
DRY
FAN
/
T E M P
OFF/ON
TIMER
SET
CANCEL
ON
OFF
1
2
3
C H ECK