Panasonic CS-RE9SKUA, Service Manual, Page: 27 / 138

27
9.2.2 CU-RE18SKUA CU-RE24SKUA
TO INDOOR UNIT
YLW/GRN
BLK
BLK
WHT
WHT
2
(WHT)
1
(BLK)
(WHT) (BLK)
SINGLE PHASE
POWER SUPPLY
L2 L1
GROUNDING TERMINAL
YLW/GRN
CONTROL
BOARD
CABINET
SIDE
PLATE
TERMINAL
BOARD
RED
3
(RED)
(RED)
AC-WHT
(WHT)
CN-DCFM
(WHT)
FG01
(GRN)
GRN
CONTROL
BOARD
AC-BLK
(BLK)
COM3
(RED)
GRY
L2-I
(GRY)
GRY
L2-O
(GRY)
REACTOR
BLU
ELECTRO-MAGNETIC COIL
(4-WAYS VALVE)
1 3
CN-HOT
(BLUE)
FUSE2
(T3.15A L250V)
Q10
FUSE1
(T2.5A L250V)
FUSE3
(20A 250V)
FAN MOTOR
ELECTRONIC CONTROLLER
7
1
M
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
RED
BLK
WHT
BLU
YLW
(RED)
(BLU)
(YLW)
U
V
W
P
N
RECTIFICATION
CIRCUIT
PFC
CIRCUIT
RY-HOT
COMPRESSOR
RED
BLU
YLW
RED
BLU
YLW
MS
3 ~
COMP. TEMP. SENSOR
(THERMISTOR)
(50kΩ 3950)
1
3
CN-TANK
5V
R410
4.99k
C49
1μ
10V
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
1 2 3 4 5 6
*D33
*D34
*D35
*D36
*C84
*CN-EV
13V
M
5V
R100
15.0k
R101
15.8k
C45
1μ
6.3V
C46
1μ
6.3V
CN-TH1
OUTDOOR AIR TEMP.
SENSOR
(THERMISTOR)
(15kΩ 3950)
PIPING TEMP. SENSOR
(THERMISTOR)
(4.96kΩ 3800)
1
2
3
4
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10 0 10
Temperature (
o
C)
Resistance (kΩ)
20 30 40 50
1
2
1
2
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20 40 60
Temperature (
o
C)
Resistance (kΩ)
80 100 120 140
13V
1
2
3
4
5
6
7 16
9
8
15
14
13
12
11
10
IC7
GND
VCC
13V
1
2
3
4
5
6
7 16
9
8
15
14
13
12
11
10
IC7
GND
VCC