Panasonic CS-E7PKEW Service Manual page 50

9.2.2 CU-E9PKE CU-E12PKE CU-E15PKE
TO INDOOR UNIT
S1 2 3
(BLACK) (WHITE) (RED)
RED
DATA
(RED)
AC-BLK
(BLK)
FUSE101
(20A 250V)
AC-WHT
(WHT)
FG1
(GRN)
GRN
FG2
(GRN)
GRN
FAN MOTOR CN-MTR2
(WHT)
1
MS
3
5
CN-MTR1
1
2
3
4
5
REACTOR
TERMINAL
BOARD
GRY
RAT2
(GRY)
ELECTRONIC
CONTROLLER
FUSE104
(15A 250V)
NOISE
FILTER
CIRCUIT
FUSE102
T3.15A L250V
PFC
CIRCUIT
10
W
U
V
14
16
IC19
R156
263
R166
1k
264
C176
R167
1k
269
0.01µ
C177
50V
1k
5V
0.01µ
C175
50V
0.01µ G5
50V
G5
+
*C173
G5
G5
Sensor (Thermistor)
Characteristics
70
1
Outdoor Air Sensor
2 Outdoor Heat Exchanger
60
Sensor
50
40
1
30
2
20
10
0
-10 0 10 20 30
o
Temperature ( C)
GRY
RAT1
13V
(GRY)
447
VCC
9
443
1 16
444
2 15
445
3 14
IC12
4 13
556
5 12
6 11
459
7 10
GND
8 13V
G2
VCC
9
1 16
2 15
3 14
IC19
4 13
5 12
6 11
7 10
GND
8
G2
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
FUSE103
T3.15A L250V
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
40 50 20
50
13V
C190
0.1µ
25V
G2
D60 153
D61 154
D62 145
D63 146
CN-STM
5V
126
134
R11
144
15.8k 15.0k
1%
541
C6 C7
1µ
10V
10V
G8 G8
G8
5V
C3 R1
SWITCHING
4.99k
1µ
1%
10V
POWER
G8 G8
SUPPLY CIRCUIT
15V
e
b
Q14
c
295
D9
296
G2
Q1
P
(RED)
U
(BLU)
V
(YLW)
W
N
40 60 80 100 120 140
o
Temperature ( C)
6
5
4
EXPANSION
M
3
VALVE
2
1
R12
1%
OUTDOOR TEMP.
1µ
SENSOR (15kΩ 3950)
4
3
2
1
PIPE TEMP.
SENSOR1 (4 96kΩ 3800)
1
3
TANK TEMP.
SENSOR (50kΩ 3950)
3
1
4-WAYS VALVE
RED
BLU
MS
3 ~
YLW
COMPRESSOR