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40
10.2 Outdoor Unit
10.2.1 CU-Z20VKE
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
TERMINAL
BOARD
TO INDOOR UNIT
COMPRESSOR
OUTDOOR AIR TEMP.
SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
1
4
t°
t°
t°
AC-WHT
(WHT)
CN-MTR1
(RED)
CN-MTR2
(WHT)
IC19
Q1
FG 1
(GRN)
FG 2
(GRN)
GRN
BLK
WHT
GRN
AC-BLK
(BLK)
DATA
(RED)
RED
GRY
RAT2
(GRY)
GRY
YLW
YLW
RAT1
(GRY)
REACTOR
RED
BLU
YLW
U (RED)
V (BLU)
W (YLW)
U
V
W
U
V
W
3
5
3
1
10
14
16
1
COMP. TEMPERATURE
SENSOR
(THERMISTOR)
1
3
CN-TANK
(WHT)
ELECTRO-MAGNETIC
COIL
(4-WAYS VALVE)
1
3
CN-HOT
(WHT)
CN-TH
(WHT)
P
N
SWITCHING POWER
SUPPLY CIRCUIT
FUSE103
T3.15A L250V
FUSE102
T3.15A L250V
FUSE104
T3.15A L250V
FUSE 101
(20A 250V)
3
2
S1
COMMUNICATION
CIRCUIT
FAN
MOTOR
ELECTRONIC CONTROLLER
MS
3 ~
ELECTRO-MAGNETIC
COIL
(EXPANSION VALVE)
CN-STM
(WHT)
1
6
NOISE FILTER
CIRCUIT
PFC
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
FUSE105
(15A 250V)
M
MS
3 ~
D602
G4A
AK
16V
Q604
D
S
G
5V
R209
4.99k
1%
G5
5V
R205
15.8k
1%
R206
15k
1%
G5
5V
C401
G5
R245
C222
G6
14V
C601
G4A
IC3
16
15
14
13
1
2
3
4