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26
9.2 Outdoor Unit
9.2.1 CU-RE9SKUA CU-RE12SKUA
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10 0 10
Temperature (
o
C)
Resistance (kΩ)
20 30 40 50
1
2
1
2
Outdoor Air 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 (kΩ)
80 100 120 140
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
(RED)
FUSE103
T3.15A L250V
(BLU)
(YLW)
U
V
W
3
5
5
4
3
2
1
10
14
16
1
P
N
SWITCHING
POWER
SUPPLY CIRCUIT
FUSE102
T3.15A L250V
FUSE101
(20A 250V)
PFC
CIRCUIT
W
U
V
ELECTRONIC
CONTROLLER
MS
3 ~
FUSE104
(15A 250V)
NOISE
FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
M
TANK TEMP.
SENSOR (50kΩ 3950)
1
3
CN-TANK
WHITE
5V
G8
R1
4.99k
1%
G8
C3
1µ
10V
CN-TH
WHITE
OUTDOOR TEMP.
SENSOR (15kΩ 3950)
PIPE TEMP.
SENSOR1 (4.96kΩ 3800)
5V
1
2
3
4
G8
G8
G8
R12
15.0k
1%
R11
15.8k
1%
C7
1µ
10V
C6
1µ
10V
*C173
5V
4-WAYS VALVE
1
3
D9
G2
CN-HOT
CN-STM
6
5
4
3
2
1
D60
D61
D62
D63
C190
0.1µ
25V
G2
13V
13V
1
2
3
4
5
6
7
16
9
8
15
14
13
12
11
10
IC12
GND
VCC
G2
13V
1
2
3
4
5
6
7
16
9
8
15
14
13
12
11
10
IC19
GND
VCC
G2
EXPANSION
VALVE
R156
1k
C176
0.01µ
50V
G5
R166
1k
C177
0.01µ
50V
G5
R167
1k
C175
0.01µ
50V
G5G5
+
Q1
FAN MOTOR
TERMINAL
BOARD
TO INDOOR UNIT
YLW/GRN
BLK
WHT
3
(RED)
2
(WHT)
1
(BLK)
(RED)(WHT)(BLK)
SINGLE PHASE
POWER SUPPLY
L2L1
GROUNDING TERMINAL
MS
3 ~
COMMUNICATION
CIRCUIT
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