Panasonic CS-RE9QKE Service Manual page 24

9.2.2 CU-RE12QKE CU-RE15QKE
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
IC20
10
W
U
V
14
16
R156
263
R166
264 1k
R167
1k
269
1k
5V
C175 C177 C176
+
*C173
0.01µ 0.01µ 0.01µ
50V 50V 50V
G5 G5 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
24
13V
C190
0.1µ
25V
G2
D60
153
D61 154
D62 145
146
D63
CN-STM
126
5V
134
144
R11 R12
15.8k 15.0k
1%
541
C6
C7
1µ 1µ
10V
10V
G8 G8
G8
5V
SWITCHING
POWER
C3 R1
4.99k
1µ
SUPPLY CIRCUIT
10V 1%
G8 G8
15V
R127
e
296
b
Q14
295
c
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
1%
OUTDOOR TEMP.
SENSOR (15kΩ 3950)
1
2
3
4
PIPE TEMP.
SENSOR1 (4.96kΩ 3800)
1
3
TANK TEMP.
SENSOR (50kΩ 3950)
3
1
4-WAYS VALVE
RED
BLU
MS
3 ~
YLW
COMPRESSOR