Panasonic CS-TZ9SKEW Service Manual page 47

10.2.4 CU-TZ18SKE
SINGLE PHASE
TO INDOOR UNIT
POWER SUPPLY
(BLK) (WHT)
1 2
L N
(BLK) (WHT)
WHT
BLK
MS
FAN
MOTOR 3~
(RED)
TERMINAL
3
(RED) BOARD
RED
ELECTRONIC CONTROLLER
DATA (RED)
NOISE FILTER
AC-BLK FUSE 103 CIRCUIT
(BLK) (20A 250V)
AC-WHT (WHT)
FUSE 104
T3.15A L250V
GRN FG1 (GRN)
FG2 (GRN)
GRN
PFC
CIRCUIT
CN-MTR2
(WHT)
10
1
W
3
U
14
5
V
16
CN-MTR1 IC19
(WHT)
R311
1
R312
1k
R313
1k
1k
5V
C186 C188
5
0.01u 0.01u
+
KB KB
C178
50V 50V
G2 G2 G2
Sensor (Thermistor)
Characteristics
70
1 Outdoor Air Sensor
Outdoor Heat Exchanger
2
60
Sensor
50
40
1
30
2
20
10
0
-10 0 10 20 30
o
Temperature ( C)
REACTOR
GRY GRY
RAT2 RAT1
(GRY) (GRY)
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING
POWER SUPPLY
RECTIFICATION
CIRCUIT
C187
0.01u
KB
50V
G2
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
40 50 20
47
5V
R11 R12
15.8k 15.0k
1% 1%
KY
+
C9 C10
C88
1u 1u 220u
KB KB 10V
10V 10V
G2
G2
5V
G2
CN-TANK
13V
VCC
C5
9
1 16
1u R1
KB
2 15 4.99k
10V
3 14
G2 G2
4 13
IC4
5 12
D20
6 11
1A5
7 10
GND
8
G2
G2
C174
G2
13V
CIRCUIT
D75
VCC
9
1 16
D73
2 15
3 14
IC5
4 13
5 12
6 11
G2
U (RED)
P U
V (BLU)
V
W (YLW)
W
N
Q1
40 60 80 100 120 140
o
Temperature ( C)
OUTDOOR AIR TEMP.
CN-TH1
SENSOR (THERMISTOR)
(WHT) 1
t°
t°
4
PIPING TEMP. SENSOR
(THERMISTOR)
(WHT)
1
t°
3
COMPRESSOR TEMP.
SENSOR (THERMISTOR)
CN-HOT
(WHT)
1
3
ELECTRO-MAGNETIC
13V
COIL (4-WAYS VALVE)
1
D76
M
D74
ELECTRO-MAGNETIC
6
COIL
CN-STM
(EXPANSION VALVE)
(WHT)
RED
MS
BLU
3~
YLW
COMPRESSOR