Panasonic CS-TZ20WKEW

52
10.2 Outdoor Unit
10.2.1 CU-TZ20WKE CU-TZ25WKE CU-TZ35WKE CU-TZ42WKE
CU-RZ20WKE CU-RZ25WKE CU-RZ35WKE
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10 0 10
Temperature (
o
C)
Resistance (k)
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 (k)
80 100 120 140
MS
3 ~
U
V
W
P
N
Q1
M
REACTOR
W
U
V
MS
3 ~
t°
t°
t°
TO INDOOR UNIT
(WHT)
S1 2 3
GRN
GRN
BLK
WHT
RED
AC-WHT
AC-BLK
(BLK)
DATA
(RED)
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
FUSE103
T3.15A L250V
FUSE104
T3.15A L250V
FUSE105
(15A 250V)
PFC
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING POWER
SUPPLY CIRCUIT
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
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
D602
AK
G2
C401
5V
R245
C222
G5G5
+
5V
G8
R209
4.99k
1%
C207
G8
5V
G8
R206R205
C205
G6
R208R207
C204
G6
14V
G4A
C601
IC3
COMMON
GND
IC3
G4A
16
15
14
13
12
11
10
1
2
3
4
5
6
7