Panasonic CS-XZ7SKEW Service Manual page 34

10.2.2 CU-Z12SKE
TO INDOOR UNIT
TERMINAL
S1 2 3
BOARD
RED
DATA
(RED)
AC-BLK
(BLK)
BLK
FUSE103
(20A 250V)
WHT AC-WHT
(WHT)
FG1 (GRN)
GRN
FG2 (GRN)
GRN
FAN
MOTOR
1
W
3
MS
U
3~
5
V
CN-MTR2
(WHT)
1
5
CN-MTR1
(WHT)
ELECTRONIC CONTROLLER
70
60
50
40
30
20
10
0
REACTOR
GRY
RAT2
(GRY)
NOISE FILTER
CIRCUIT
FUSE104
T3.15A L250V
PFC
RECTIFICATION
CIRCUIT
CIRCUIT
10
14
16
IC19
R311
R312
1k
5V
R313 1k
1k
C186
C188 C187
0.01u 0.01u 0.01u
C178
KB
KB KB
NONE
50V
50V 50V
G2
G2 G2
G2
Sensor (Thermistor)
Characteristics
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
-10 0 10 20 30 40 50
o
Temperature ( C)
GRY
RAT1
5V
(GRY)
R12
R11
15.0k
15.8k
1%
1%
C10
COMMUNICATION
1u
C9
10V
1u
CIRCUIT
KB
KB
10V
G2
G2
RECTIFICATION
CIRCUIT
4V
SWITCHING
R33
POWER
10k
SUPPLY CIRCUIT
b
FUSE101
T3.15A L250V
U (RED)
P
U
V (BLU)
V
W (YLW)
W
N
Q1
13V
IC4
VCC
9
1 16
2 15
3 14
13
4
5 12
6 11
10
7
D75
GND
13V
8
D73
G2
VCC
9
1
16
2 15
14
3
4 13
5 12
11
6
IC5
G2
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20 40 60 80 100 120
o
Temperature ( C)
34
CN-TH1
OUTDOOR AIR TEMP. SENSOR
(WHT)
(THERMISTOR)
1
tº
tº
KY
4 PIPING TEMP. SENSOR
C88
220u (THERMISTOR)
G2
10V
CN-TANK
5V
(WHT)
1
tº
C5
3
COMPRESSOR TEMP.
R1
1u
SENSOR (THERMISTOR)
4.99k
KB
10V
e
YLW
1
G2 G2
Q24
3 YLW
D23
D20
CN-HOT
c
1A5
(WHT)
G2
RED
BLU
YLW
13V
C174
1
G2
D76
M
D74
6
CN-STM
(WHT)
140
ELECTRO-MAGNETIC
COIL
(4-WAYS VALVE)
MS
3~
COMPRESSOR
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)