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27
9.2 Outdoor
Unit
9.2.1
CU-E9SD3UA CU-E12SD3UA
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
14
32
50
Temperature (
o
F)
Resistance (kΩ)
68
86
104
122
1
2
1
2
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
68
104
140
Temperature (
o
F)
Resistance (kΩ)
176
212
248
284
t˚
t˚
t˚
M
M
FAN
MOTOR
GRN
GRN
1
P
N
U
V
W
Q1
4
7
BLK
BLK
L2
TO INDOOR UNIT
SINGLE PHASE
POWER SUPPLY
L1
YLW/GRN
1
(BLACK)
2
(WHITE)
3
(RED)
WHT
FG1 (GRN)
CN-DCFM
(WHT)
LJP101 (GRN)
FUSE103
T3.15A L250V
ELECTRONIC CONTROLLER
WHT
RED
DATA (RED)
TERMINAL BOARD
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
PFC
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
GRY
GRY
ELECTRO-MAGNETIC
COIL (EXPANSION VALVE)
1
6
1
1
2
3
3
4
RAT2
(GRY)
RAT1
(GRY)
YLW
1
2
YLW
FUSE102
T3.15A L250V
CN-STM
(WHT)
CN-TH
(WHT)
CN-TANK
(WHT)
CN-HOT
(WHT)
(RED)
(BLU)
(YLW)
RED
COMPRESSOR
BLU
MS
3~
YLW
AIR TEMP. SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
COMPRESSOR
TEMP. SENSOR
(THERMISTOR)
ELECTRO-MAGNETIC
COIL (4-WAY VALVE)
REACTOR
AC-BLK
(BLK)
FUSE101
20A 250V
AC-WHT
(WHT)
C7
1u
KB
10V
C6
1u
KB
10V
R12
15.0k
1%
R11
15.8k
1%
G2
G2
G2
5V
C3
1u
KB
10V
G2
R1
4.99k
1%
G2
5V
G2
D9
13V
C80
G2
D26
D28
D27
D29
G2