Panasonic CU-2E18SBE - Cu-3 E23 Sbe

31
7.2 CU-3E23SBE
HIGH PRESSURE SW
LIQUID PIPE SENSOR A LIQUID PIPE SENSOR B LIQUID PIPE SENSOR C
SENSOR COMPLETE SENSOR COMPLETE
SENSOR
COMPLETE
SENSOR
COMPLETE
SENSOR
COMPLETE
ELECTRO-
MAGNET IC COIL
(EXPAND VALVE)
ELECTRO-
MAGNETIC COIL
(EXPAND VALVE)
ELECTRO -
MAGNETIC COIL
(EXPAND VALVE)
ELECTRO- MAGNETIC COIL
CRANK
CASE
HEATER
MM M
CN-TH4
WHITE
CN-TH1
WHITE
OUTLET TEMP. SENSOR
(THERMISTOR)
COND. TEMP. SENSOR
(THERMISTOR)
PIPE TEMP. SENSOR(OFF)
(THERMISTOR)
DIS. T. TEMP. SENSOR
(THERMISTOR)
4
4
1
CN-TH2
YELLOW
CN-DIS
WHITE
CN-EV3
BLUE
CN-EV2
YELLOW
CN-EV1
YELLOW
CN-HT1 BLACK
CN-HOT BLUE
CN-DISP 2
WHITE
CN-DISP 1
WHITE
CN-NMODE
YELLOW
CN-NMODE 1
WHITE
CN-DISP 1
WHITE
ELECTRONIC CONTROLLER (DISPLAY)
ELECTRONIC CONTROLLER (SUB)
GROUND PLATE
Y/G
TO INDOOR UNIT C
1 2 3
TO INDOOR UNIT B
1
BL W
2 3
TO INDOOR UNIT A
P
O
W
E
R
SUPPLY
1
BL
TERMINAL BOARD
TERMINAL BOARD
CORE
CORE CORE
BL
G
G
BL W
Y/G
W
CORE
CORE
WHITE ACN1
BLACK ACL1
CN-COM
R
B Y
1 3 5 7 9
FUSE 401 30A 250V
FG1 FG2
GRY
GRY
GRY
L1-I L2-I L2-O L1-O
DB3
P N
1
FM
FAN
MOTOR
CN-FM1
WHITE
FUSE1
T3.15A
L 250V
RY-PWR
RY-AC
PTC1
PTC2
DB2
FUSE2
T2.5A
L 250V
CORE
CORE
BL
CN-BLK
11
9
CN-DATA
WHITE
CN-DATA
WHITE
9
CN-WHT
W
AC-BLK
AC-WHT
RY-C
CN-PSW1
BLUE
7
1
R R
2
U
V
W
DB1
CT400
GRY
REACTOR
BL
R
33
B
BL BL
Y
CORE
1
1
COMPRESSOR
R B Y
BL
1 1
4CONNECTOR
WHITE
4
REACTOR
L N
W
2 3
3
3
81 1 1
1
1
11
1 1
1
W
W W W W W W W W W
W W W W
W W W
W W W W W W W W W W W W W
14
77
6
8
1
1
2
66
T1
ELECTRONIC CONTROLLER (MAIN)
RY-HOT
RY-HT
CR3
1
1
10
11
GAS PIPE SENSOR A GAS PIPE SENSOR B GAS PIPE SENSOR C
CN-HEAT
(WHITE)
CONNECTOR
(WHITE)
W W
W
1
3
Q26
C218
e
c
b
13V
R366
Q25
e
c
b
13V
R365
D33
*Q29
*R367
*C219
e
c
b
13V
1
IC15
VCC
4 5 6 7
16 13 12
11
10
8
GND
9
IC15 IC15 IC15 IC15
C62
13V
*D65
*D66
*D67
*D68
D61
D62
D63
D64
D57
D58
D59
D60
1
IC8
VCC
4 5 6
16 13 12
11
9
IC8 IC8 IC8
5V
C209
R102
C47
C48
R103
5V
C49 R104
C45
R100
5V
C46 R101
*R341 *R342 *R336
5V
CN-TH3
WHITE
R333
R338
R334
C232C241C233
5V
R138
13V
R147 R146
R256
R395
R386
5V
5V
5V
13V
IC17
TC4052B
IC18
TC4052B
15 16 14 13 12 11 10 9
1
VDD
2X 1X
X-COM
0X 3X
A
B
0Y 2Y Y- CO M 3Y 1Y INH VEE VSS
VDD
2X 1X
X-COM
0X 3X
A
B
0Y 2Y Y- CO M 3Y 1Y INH VEE VSS
2 3 4 5 6 7 8
15 16 14 13 12 11 10 9
1 2 3 4 5 6 7 8
5V
5V
5V
5V
5V
R304 R305 R306 R307 R308 R309
SW1
1 2
3 4
1 2
3 4
SW4
ON OFF
1 2
321
3 4
SW5
GREEN LED1
*JP1
ON OFF
321
GREEN LED2
GREEN LED3
GREEN LED4
GREEN LED5
GREEN LED6
SW2 SW3
0
10 20
20 40 60 80 100 120 140
30 40 50 60 70
Temperature (°C)
Resistance (k)
Compressor Temp. Sensor
(Thermistor) Charateristics
0
10
-10 10 20 30 40 500
20 30 40 50 60 70
Temperature (°C)
Resistance (k)
Sensor (Thermistor)
Characteristics




Outdoor Air Sensor Outdoor Heat Exchanger Sensor