Outdoor Unit - Panasonic CS-E9PKEA Service Manual

9.2

Outdoor Unit

9.2.1 CU-E9PKEA CU-E12PKEA
TO INDOOR UNIT
1 2 3
(BLACK) (WHITE) (RED)
ELECTRONIC
CONTROLLER
RED
DATA
(RED)
AC-BLK
(BLK)
BLK
FUSE103
(20A 250V)
AC-WHT
(WHT)
WHT
FG1
(GRN)
GRN
FG2
(GRN)
GRN
FAN MOTOR
CN-MTR2
(WHT)
1
MS
3
FAN
MOTOR
5
CN-MTR1
1
2
3
4
5
REACTOR
TERMINAL
BOARD
GRY
RAT2
(GRY)
NOISE
FILTER
CIRCUIT
FUSE104
T3.15A L250V
PFC
CIRCUIT
10
W
U
V
14
16
IC19
402
403
*R311
404
1k
*R312
5V
1k
*R313
1k
*C186 *C188
0.01µ 0.01µ
+
50V 50V
*C178
G2 G2
G2
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
13V
(GRY)
VCC
9
1 16
2 15
3 14
IC4
4 13
29
5 12
6 11
13V
7 10
GND
8 VCC
9
1 16
G2
2 15
3 14
IC5
4 13
5 12
891
6 11
G2
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
FUSE101
T3.15A L250V
*C187
0.01µ
50V
G2
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
40 50 20
27
13V
*CN-STM
*C174
G2
*D73
835 63
*D74
836 64
*D75
837 30
838 *D76 31
5V
R11 R12
15.8k 15.0k
1% 1%
+
C9
C10
1µ
1µ
20
10V
10V
52 G2
G2
419
420
CN-TH1
G2
5V
*CN-DIS
890
*R455
*C244
G2
5V
CN-TANK
SWITCHING
R1
C5
POWER 4.99k
1µ
1%
10V
SUPPLY CIRCUIT
G2 G2
15V
e
b
*CN-HOT
*Q23
c
179 828
*D20
180 829
G2
P
(RED)
U
(BLU)
V
(YLW)
W
N
Q1
40 60 80 100 120 140
o
Temperature ( C)
6
5
4
EXPANSION
M
3
VALVE
2
1
C88
220µ
10V
OUTDOOR AIR TEMP.
SENSOR (15kΩ 3950)
1
2
3
4
PIPING TEMP.
SENSOR1 (4.96kΩ 3800)
1 t
0
2
DISCHARGE TEMP.
SENSOR (THERMISTOR)
1
3
COMP. TEMP.
SENSOR (50kΩ 3950)
3
1
4-WAYS VALVE
RED
BLU
MS
3 ~
YLW
COMPRESSOR