39
10.2 Outdoor Unit
10.2.1 CU-Z20TKE
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
402
403
404
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)
FUSE101
T3.15A L250V
V (BLU)
W (YLW)
U
V
W
3
5
5
4
3
2
1
10
14
16
1
P
N
SWITCHING
POWER
SUPPLY
CIRCUIT
FUSE103
(20A 250V)
3
2
S1
COMMUNICATION
CIRCUIT
PFC
CIRCUIT
W
U
V
ELECTRONIC
CONTROLLER
MS
3 ~
NOISE
FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
*C178
5V
4-WAYS VALVE
1
3
D20
G2
CN-HOT
179 828
829
180
R311
1k
C187
0.01μ
50V
G2
R312
1k
C188
0.01μ
50V
G2
R313
1k
C186
0.01μ
50V
G2
G2
+
Q1
FAN MOTOR
MS
3 ~
TANK TEMP.
SENSOR (50kΩ 3950)
1
3
CN-TANK
WHITE
5V
G2
R1
4.99k
1%
C5
1μ
10V
G2
CN-TH1
WHITE
OUTDOOR TEMP.
SENSOR (15kΩ 3950)
PIPE TEMP.
SENSOR1 (4.96kΩ 3800)
5V
1
2
3
4
G2
R12
15.0k
1%
R11
15.8k
1%
420
419
C10
1μ
10V
G2
C9
1μ
10V
G2
FUSE104
T3.15A L250V
RECTIFICATION
CIRCUIT
M
CN-STM
63
64
30
31
835
836
837
838
6
5
4
3
2
1
D74
D75
D76
C174
0.1μ
25V
G2
13V
EXPANSION
VALVE
D73
13V
1
2
3
4
5
16
9
15
14
13
12
IC4
VCC
G2
13V
1
2
3
4
16
16
10
14
12
16
10
14
12
9
15
14
13
IC5
CN1
CN1
VCC
5
12
6
7
11
10
G2
169
171
170
168
AMP Air Conditioning
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