Panasonic CS-Z25UB4EAW Service Manual page 34

10.2.2 CU-Z50UBEA CU-Z60UBEA
TO INDOOR UNIT
SINGLE PHASE
(BLK) (WHT) (RED)
POWER SUPPLY
L N 1 2
WHT
BLK
GRN
GRN
SOUND PROOF BOARD
FAN
MS
MOTOR
3~
TERMINAL
3
BOARD
RED
DATA
(RED)
NOISE FILTER
AC-BLK
CIRCUIT
(BLK)
FUSE 1
(25A 250V)
FUSE 8
T3.15A
L250V
AC-WHT
(WHT)
PFC
CIRCUIT
FG1 (GRN)
FG2 (GRN)
CN-MTR2
(WHT)
10
1
W
3
U
5
V
14
CN-MTR1
16
(RED)
1
IC19
5V
3
C401
0.1u
25V
ELECTRONIC CONTROLLER
B1
G5
Sensor (Thermistor)
Characteristics
70
Outdoor Air Sensor
Outdoor Heat Exchanger
60
Sensor
50
40
30
20
10
0
-10 0 10 20 30 40
o
Temperature ( C)
REACTOR
GRY GRY
RAT2 RAT1
(GRY) (GRY)
COMMUNICATION
CIRCUIT
FUSE 5
(20A 250V)
FUSE 6
(20A 250V)
RECTIFICATION
CIRCUIT
SWITCHING
POWER
SUPPLY CIRCUIT
RECTIFICATION
CIRCUIT
C99
R28
1u
4.99k
10V
B1
FUSE 3
T3.15A L250V
Q1 (RED) U
P
U
(BLU) V
V
(YLW) W
W
N
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
50 20 40 60
Temperature (
34
5V
R21
R22
15.8k
15k C98
1%
1% 470u
10V
C9 C10
KY
1u 1u
10V
10V
B1
G5 B1
OUTDOOR AIR TEMP. SENSOR
G5 CN-TH1
G5
(THERMISTOR)
(WHT)
1
tº
tº
4
PIPING TEMP. SENSOR
5V
(THERMISTOR)
CN-TANK
(WHT)
1
tº
3
COMPRESSOR TEMP.
SENSOR (THERMISTOR)
CN-STM1
IC8
1%
(WHT)
4 15
1
3 16
G5
2 17
1 18
15V
6
CN-HOT
C921
10 YLW
1
(WHT)
COMMON
0.1u
IC8
GND
50V
9
B3
3 YLW
D57
D59
NONE
G4A
G4A
RED
BLU
YLW
80 100 120 140
o
C)
M
ELECTRO-MAGNETIC COI
(EXPANSION VALVE)
ELECTRO-MAGNETIC
COIL
(4-WAY VALVE)
MS
3~
COMPRESSOR