Panasonic CS-RE18QKE

20
9. Electronic Circuit Diagram
9.1 Indoor Unit
FAN MOTOR
CN-FM (WHT)
Y
7 4 1
B
W
BL
R
M
FUSE301
T3.15A L250V
RY-PWR
RY-PWR2
Y/G Y/G
TEMP.
FUSE
102°C (3A)
TEMP.
FUSE
102°C (3A)
EVAPORATOR
1 2 3
AC304
(RED)
AC303
(WHT)
G301
(GRN)
GROUNDING
TERMINAL
L
W
R
G
P
BL
BR
TERMINAL
BOARD
GROUNDING
TERMINAL
L
N
SINGLE PHASE
POWER SUPPLY
1ø 230V 50Hz
ELECTRONIC CONTROLLER (MAIN)
NOISE
FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
COMMUNICATION
CIRCUIT
TO
OUTDOOR
UNIT
MODE
OFF/ON
TIMER
SET
CANCEL
ON
OFF
1
2
3
AIR SW ING
FAN SPEED
SET CHEC K C LOCK RESET
AC
RC
FAN SPEED AIR SWING
AUTO
HEAT
COOL
DRY
REMOTE CONTROLLER
70 60 50
Resistance (kΩ)
Temperature (ºC )
Sensor (Thermistor)
Characteristics
40 30 20 10
-10 0 10 20 30 40 50
0
Pipe Temp . Sensor Intake Air Te m p . Sensor
1
1
2
2
C25
1µ
16V
R62
15.0k
C27
1µ
16V
R61
20.0k
PIPING TEMP. SENSOR 1 (THERMISTOR) PIPING TEMP. SENSOR
2
(THERMISTOR) SUCTION TEMP. SENSOR (THERMISTOR)
6 5 4 3 2 1
t
0
t
0
t
0
169 170 171
5V
*CN-TH
RED
*CN-DISP
YELLOW
UP DOWN LOUVER MOTOR
CN-STM1
WHITE
1 5 4 3 2
12V
74
144
70 64 61
M
12V
1 2 3 4 5 6 7
16
9
8
15 14 13 12 11 10
IC03
R47 1/2W
68 5%
143
R46 1/2W
68 5%
GND
VCC
*CN-STM2
LEFT RIGHT LOUVER MOTOR
1 5 4 3 2
12V
398 397 396 395
M
GND
VCC
5V
R30
1k
BZ
BZ01
6 1 2 3 4 5
CN-DISP
WHITE
5 4 3 2 1
ELECTRONIC CONTROLLER
(DISPLAY & RECEIVER)
P. C . B
PCB201
POWER
(green)
TIMER
(orange)
16
15
17
R201 470
1/10W 5%
R202 2k
1/10W 5%
LED201 LED202
GND-A
5V_
5V_
1 2 3
Vout
Vcc
GND
GND
+
GND
54
IC1
C201
47µ
6.3V
R209
47 1/10W
5%
4321
210
157 159 155
11 10
9 8 7
209
208
207
C3
0.1µ
16V
*C49
*C28*R63
*C45
*R89
*R37
*R54
*CN-RMT
5V 5V
5V
GND-A
5V
12V
1 2 3 4 5 6 7
16
9
8
15 14 13 12 11 10
IC05