Outdoor Unit - Panasonic CS-E12RB4UW Service Manual

9.2

Outdoor Unit

9.2.1 CU-E12RB4U
POWER SUPPLY
1
L1 L2
(BLACK)
YLW/GRN
BLK
BLK
GRN
FAN
MOTOR
ORG
ELECTRONIC
CONTROLLER
ORG
13V
RY-HT2
HT2(ORG)
ACL(BRW)
BRW
TO INDOOR UNIT
2 3
TERMINAL BOARD
(WHITE) (RED)
WHT RED
DATA ( RED )
COMMUNICATION
AC-BLK CIRCUIT
WHT
(BLK)
NOISE FILTER
FUSE101
CIRCUIT
20A 250V
AC–WHT
(WHT)
FG1 (GRN)
GRN
LJP101 (GRN)
1
4
M CN-DCFM
(WHT)
7
HT2 (ORG)
5V 5V
R129
CN-HT1 CN4
1k
R130
1 1
R118
1k
2 2
3 3
R116
RY-HT1 4 4
16
5 5
15
14
13
13_1V 12
CN-HT2 CN5
1 1
2 2
3 3
4 4
RY-HT2
5 5
ACL(BRW)
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
(14) (32) (50) (68)
Temperature °C (°F)
COIL (EXPANSION VALVE)
REACTOR
GRY GRY
CN–STM
RAT2 RAT1
(WHT)
(GRY) (GRY)
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
FUSE103
T3.15A L250V
9
1
IC 1 2
2
ELECTRONIC CONTROLLER
SWITCHING
IC 1 2
3
IC 1 2 POWER SUPPLY
4
IC 1 2
CIRCUIT
5
IC 1 2
11 6
IC 1 2
10 7
IC 1 2
8
70
60
50
40
30
20
10
0
30 40 50
(86) (104) (122)
22
ELECTRO-MAGNETIC
M
5V
1 2 3 4 5 6
13V
R12
R11
C80
15.0k
15.8k
C7
1
C6
1
PFC
CIRCUIT
5V
C3
1
D19
Q1
( RED )
RED
P
U
( BLU ) M S
BLU
V
( YLW ) YLW
W
N
COMPRESSOR
Compressor Temp. Sensor
(Thermistor) Characteristics
20 40 60 80 100 120 140
(68) (104) (140) (176) (212) (248) (284)
Temperature °C (°F)
CN–TH
AIR TEMP. SENSOR
(WHT)
(THERMISTOR)
1
2
t°
3
4
t°
PIPING TEMP. SENSOR
(THERMISTOR)
CN–TANK
COMPRESSOR TEMP. SENSOR
(WHT)
(THERMISTOR)
1
t°
3
R1
4.99k
CN–HOT
(WHT)
1
YLW
ELECTRO-MAGNETIC
COIL (4-WAY VALVE)
2
YLW
~
3