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Model
CS-TZ20TKEW-1 CS-TZ25TKEW-1 CS-TZ35TKEW-1 CU-TZ20TKE-1 CU-TZ25TKE-1 CU-TZ35TKE-1
Pages
127
Size
17.76 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner / AIR CONDITIONER
File
cs-tz20tkew-1-cs-tz25tkew-1-cs-tz35tkew-1-cu-tz20t.pdf
Date

Panasonic CS-TZ20TKEW-1 / CS-TZ25TKEW-1 / CS-TZ35TKEW-1 / CU-TZ20TKE-1 / CU-TZ25TKE-1 / CU-TZ35TKE-1 Service Manual ▷ View online

29 
10.2 Outdoor Unit 
 
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
MS
3 ~
U
V
W
P
N
Q1
M
REACTOR
W
U
V
MS
3 ~
TO INDOOR UNIT
SINGLE PHASE
POWER SUPPLY
(WHT)
(WHT)
(WHT)
(BLK)
(RED)
(RED)
L
N
(BLK)
1
2
3
GRN
GRN
BLK
BLK
YLW/GRN
WHT
WHT
RED
AC-WHT
AC-BLK
(BLK)
DATA
(RED)
GROUNDING TERMINAL
FUSE101
(20A 250V)
FG 1
(GRN)
FG 2
(GRN)
CN-MTR1
(RED)
CN-MTR2
(WHT)
FAN MOTOR
NOISE
FILTER
CIRCUIT
3
5
1
1
10
14
16
3
IC19
ELECTRONIC CONTROLLER
FUSE102
T3.15A L250V
FUSE104
(15A 250V)
PFC
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING POWER
SUPPLY CIRCUIT
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
FUSE103
T3.15A L250V
GRY
RAT2
(GRY)
RAT1
(GRY)
GRY
TERMINAL
BOARD
OUTDOOR AIR TEMP.
SENSOR (THERMISTOR)
1
4
CN-TH
(WHT)
PIPING TEMP. SENSOR
(THERMISTOR)
1
3
CN-TANK
(WHT)
COMP. TEMPERATURE
SENSOR (THERMISTOR)
YLW
YLW
1
3
CN-HOT
(WHT)
ELECTRO-MAGNETIC
COIL (4-WAYS VALVE)
ELECTRO-MAGNETIC
COIL
(EXPANSION VALVE)
CN-STM
(WHT)
1
6
RED
BLU
YLW
U (RED)
V (BLU)
W (YLW)
COMPRESSOR
D9
1A5
AK
G2
C173
5V
R120
1k
B1
C175
0.01u
50V
G5
G5
+
5V
G8
R1
4.99k
1%
B1
C3
1u
10V
G8
5V
G8
R12
15k
1%
R11
15.8k
1%
C7
1u
B1
10V
G8
C6
1u
B1
10V
G8
C189
0.1u
B1
25V
G2
13V
D64
K
A
D63
K
A
D62
K
A
D61
K
A
G2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
30 
11.  Printed Circuit Board 
11.1 Indoor Unit 
11.1.1  Main Printed Circuit Board 
 
AC303
AC306
AC304
CN-STM3
CN-STM1
CN-DISP
CN-RMT
CN-TH
CN-CNT
JP1 (Random Auto Restart enable/disable)
CN-FM
 
 
 
 
 
 
 
 
 
 
 
 
 
 
31 
11.1.2 Indicator 
Printed Circuit Board 
 
CN-DISP
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
32 
11.2 Outdoor Unit 
 
CN-HOT
CN-STM
CN-TH
CN-MTR1
CN-MTR2
CN-TANK
AC-BLK
DATA
AC-WHT
POWER
TRANSISTOR
(IPM)
CURRENT
TRANSFORMER
(CT)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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