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17
9.2 Outdoor
Unit
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (
o
C)
Resistance (k
Ω
)
20
30
40
50
1
2
1
2
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20
40
60
Temperature (
o
C)
Resistance (k
Ω)
80
100
120
140
TERMINAL
BOARD
TO INDOOR UNIT
COMPRESSOR
AC-WHT
(WHT)
CN-MTR1
CN-MTR2
(WHT)
IC19
FG1
(GRN)
FG2
(GRN)
GRN
BLK
WHT
GRN
AC-BLK
(BLK)
DATA
(RED)
RED
GRY
RAT2
(GRY)
GRY
RAT1
(GRY)
REACTOR
RED
BLU
YLW
U (RED)
FUSE103
T3.15A L250V
V (BLU)
W (YLW)
U
V
W
3
5
1
10
14
16
P
N
SWITCHING
POWER
SUPPLY CIRCUIT
FUSE102
T3.15A L250V
FUSE101
(20A 250V)
3
2
1
COMMUNICATION
CIRCUIT
PFC
CIRCUIT
W
U
V
ELECTRONIC
CONTROLLER
MS
3 ~
3 ~
FUSE104
(15A 250V)
NOISE
FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
1
3
3
CN-T
ANK WHITE
5V
G8
R1
4.99k
1%
G8
B1
C3
1μ
C3
1μ
10V
Q1
CN-TH WHITE
5V
1
2
3
4
2
3
4
G8
G8
G8
R12
15.0k
1%
R11
15.8k
1%
C7
1μ
B1
B1
10V
C6
1μ
KB
10V
FAN MOTOR
3
2
1
C173
5V
R120
1k
B1
C175
0.01μ
50V
G5
G5
+
1
3
D9
1A5
AK
G2
CN-HOT
MS
3 ~
YLW
YLW
ELECTRO-MAGNETIC
COIL (4-WAYS VALVE)
COIL (4-WAYS VALVE)
ELECTRO-MAGNETIC
COIL (EXPANSION VALVE)
COIL (EXPANSION VALVE)
1
6
CN-STM
(WHT)
M
COMP. TEMPERATURE
SENSOR (THERMISTOR)
(50KΩ, 3950)
SENSOR (THERMISTOR)
(50KΩ, 3950)
t°
OUTDOOR AIR TEMP.
SENSOR
(THERMISTOR) (15KΩ, 3950)
SENSOR
(THERMISTOR) (15KΩ, 3950)
PIPING TEMP. SENSOR
(THERMISTOR)
(4.96KΩ, 3800)
(THERMISTOR)
(4.96KΩ, 3800)
t°
t°
D61
D62
D63
D64
AK
AK
AK
AK
G2
G2
13V
C189
0.1μ
B1
25V
15V
R127
10k
Q14
2SB1188Q
-32V
-2A
E
B
C
16
15
14
13
12
11
10
15
14
13
12
11
10
1
2
3
4
5
6
7
2
3
4
5
6
7
16
15
14
13
12
11
10
15
14
13
12
11
10
1
2
3
4
5
6
7
2
3
4
5
6
7
G2
G2
IC6
IC7
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