Outdoor Unit - Panasonic CS-DZ50VKE Service Manual

10.2 Outdoor Unit

10.2.1 CU-DZ25VKE CU-DZ35VKE CU-PZ25VKE CU-PZ35VKE
CU-UZ25VKE CU-UZ35VKE
TO INDOOR UNIT
1 2 3
ELECTRONIC
CONTROLLER
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
3 ~
5
CN-MTR1
(RED)
1
2
5V
3
+
G5
REACTOR
TERMINAL
BOARD
GRY
RAT2
(GRY)
FUSE105
(15A 250V)
NOISE
FILTER
CIRCUIT
FUSE102
T3.15A L250V
FUSE103
PFC
CIRCUIT
IC19
10
W
U
V
14
16
R245
1k
C401 C222
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 40
o
Temperature ( C)
GRY
RAT1
(GRY)
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
T3.15A
SWITCHING
L250V
POWER
SUPPLY CIRCUIT
RECTIFICATION
CIRCUIT
FUSE104
T3.15A
L250V
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
50 20 40 60
Temperature (
44
5V
R205 R206
R207
R208
C204
C205
G6 G6
G8
5V
C207
R209
G8 G8
D602
CN-HOT
G2
CN-STM
(WHT)
IC3
4 13
3 14
2 15
1 16
5 12 14V
6 11
7 10
COMMON
C601
G4A
GND
G4A
Q1
P
U (RED)
U
V (BLU)
V
W (YLW)
W
N
80 100 120 140
o
C)
OUTDOOR AIR TEMP.
SENSOR
(THERMISTOR)
1
t°
2
3
t°
4
PIPING TEMP. SENSOR
(THERMISTOR)
1
t°
3
COMP. TEMPERATURE
SENSOR (THERMISTOR)
YLW
3
1
YLW
ELECTRO-MAGNETIC
COIL (4-WAYS VALVE)
6
M
1
ELECTRO-MAGNETIC
COIL (EXPANSION VALVE)
RED
BLU
MS
3 ~
YLW
COMPRESSOR