Outdoor Unit - Panasonic CS-PE9RKE Service Manual

9.2

Outdoor Unit

9.2.1 CU-PE9RKE CU-PE12RKE CU-UE9RKE CU-UE12RKE
TO INDOOR UNIT
1 2 3
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
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
IC19
10
W
U
V
14
16
R105
158
R111
159 1k
R120
1k
160
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
(GRY)
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
29
5V
R11
15.8k 15.0k
1%
541
C6
1µ
10V
10V
G8 G8
G8
5V
C3
1µ 4.99k
10V
G8 G8
SWITCHING
POWER
SUPPLY CIRCUIT
295
D9
CN-HOT
296
G2
Q1
P
U (RED)
U
V (BLU)
V
W (YLW)
W
N
40 60 80 100 120 140
o
Temperature ( C)
R12
1%
C7
OUTDOOR TEMP.
1µ
SENSOR (15kΩ 3950)
4
3
2
1
PIPE TEMP.
SENSOR1 (4.96kΩ 3800)
1
3
TANK TEMP.
R1
SENSOR (50kΩ 3950)
1%
3
1
4-WAYS VALVE
RED
BLU
MS
3 ~
YLW
COMPRESSOR