Outdoor Unit - Panasonic CS-RE9SKUA Service Manual

9.2

Outdoor Unit

9.2.1 CU-RE9SKUA CU-RE12SKUA
TO INDOOR UNIT
(BLK) (WHT)
SINGLE PHASE
POWER SUPPLY
1 2
L1 L2
(BLK) (WHT)
WHT
BLK
YLW/GRN
FAN MOTOR
MS
3 ~
(RED)
3
TERMINAL
(RED) BOARD
GRY
RAT2
(GRY)
ELECTRONIC
CONTROLLER
RED
FUSE104
(15A 250V)
DATA
(RED)
NOISE
FILTER
AC-BLK
CIRCUIT
(BLK)
FUSE101
(20A 250V)
AC-WHT
(WHT)
FG1
(GRN)
GRN
FG2
GRN (GRN)
IC19
CN-MTR2
10
(WHT)
1
W
3
U
5
V
14
16
CN-MTR1
R156
1
R166
2
1k
R167
3
1k
4
5V 1k
5
C175 C177
+
*C173
0.01μ 0.01μ
50V 50V
G5 G5 G5
Sensor (Thermistor)
Characteristics
70
Outdoor Air Sensor
1
Outdoor Heat Exchanger
2
60
Sensor
50
40
1
30
2
20
10
0
-10 0 10 20
Temperature (
REACTOR
GRY
RAT1
13V
(GRY)
VCC
9
1 16
2 15
3 14
IC12
4 13
5 12
6 11
7 10
GND
8
G2
VCC
IC19
COMMUNICATION
FUSE102
T3.15A L250V
PFC RECTIFICATION
CIRCUIT CIRCUIT
C176
0.01μ
50V
G5
70
60
50
40
30
20
10
0
30 40 50
o
C)
26
13V
C190
0.1μ
25V
G2
D60
D61
D62
D63
13V
9
1 16
5V
2 15
3 14
R11
4 13
15.8k
1%
5 12
6 11
C6
7 10
1μ
GND
10V
8
G8 G8
G2
CIRCUIT
G8
RECTIFICATION
CIRCUIT
5V
CN-TANK
SWITCHING
POWER
SUPPLY CIRCUIT
C3 R1
1μ 4.99k
10V 1%
G8 G8
D9
FUSE103
T3.15A L250V
G2
Q1
P
U
V
W
N
Compressor Temp. Sensor
(Thermistor) Characteristics
20 40 60 80 100 120 140
o
Temperature ( C)
6
5
4
EXPANSION
M
3
VALVE
2
1
CN-STM
R12
15.0k
1%
C7
OUTDOOR TEMP.
1μ
SENSOR (15kΩ 3950)
10V
1
2
3
4
PIPE TEMP.
CN-TH
WHITE
SENSOR1 (4.96kΩ 3800)
WHITE
1
3
TANK TEMP.
SENSOR (50kΩ 3950)
3
1
CN-HOT
4-WAYS VALVE
(RED) RED
(BLU) BLU
MS
3 ~
(YLW) YLW
COMPRESSOR