Panasonic CS-E18SD3UAW service manual - Page 24

CU-E9SD3UA, CU-E12SD3UA

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8.2 Outdoor Unit 8.2.1 CU-E9SD3UA CU-E12SD3UA SINGLE PHASE POWER SUPPLY TO INDOOR UNIT L1 YLW/GRN L2 1 2 3 (BLACK) (WHITE) (RED) TERMINAL BOARD BLK BLK WHT RED DATA (RED) WHT AC-BLK (BLK) COMMUNICATION CIRCUIT FUSE101 20A 250V NOISE FILTER CIRCUIT AC-WHT GRN (WHT) FG1 (GRN) GRN LJP101 (GRN) REMARKS BLK: BLACK BLU: BLUE FAN WHT: WHITE MOTOR RED: RED YLW: YELLOW M GRY: GRAY GRN: GREEN BRW: BROWN ORG: ORANGE YLW/GRN: YELLOW/GREEN 1 4 CN-DCFM (WHT) 7 YELLOW (YEL) ELECTRO-MAGNETIC COIL (EXPANSION VALVE) M REACTOR GRY RAT2 (GRY) GRY RAT1 (GRY) 1 CN-STM 6 (WHT) BLUE (BLU) RED (RED) (TRADEMARK) COMPRESSOR TERMINAL THE PARENTHESIZED LETTERS IS INDICATED ON TERMINAL COVER FUSE102 T3.15A L250V PFC CIRCUIT 1 CN-TH 2 (WHT) 3 4 RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT CN-TANK 1 (WHT) 3 CN-HOT 1 (WHT) 2 FUSE103 T3.15A L250V Q1 P U V (RED) (BLU) N W (YLW) SWITCHING POWER SUPPLY CIRCUIT ELECTRONIC CONTROLLER AIR TEMP. SENSOR (THERMISTOR) t˚ t˚ PIPING TEMP. SENSOR (THERMISTOR) COMPRESSOR TEMP. SENSOR (THERMISTOR) t˚ YLW ELECTRO-MAGNETIC COIL (4-WAY VALVE) YLW RED BLU MS YLW 3~ COMPRESSOR Resistance of Compressor Windings MODEL CU-E9SD3UA/CU-E12SD3UA CONNECTION 5RS102XHA21 U-V 1.741 Ω U-W 1.765 Ω V-W 1.711 Ω Note: Resistance at 68°F of ambient temperature. 24

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24
8.2
Outdoor Unit
8.2.1
CU-E9SD3UA
CU-E12SD3UA
t˚
t˚
t˚
M
M
FAN
MOTOR
GRN
GRN
1
P
N
U
V
W
Q1
4
7
BLK
BLK
L2
TO INDOOR UNIT
SINGLE PHASE
POWER SUPPLY
L1
YLW/GRN
1
(BLACK)
2
(WHITE)
3
(RED)
WHT
FG1 (GRN)
CN-DCFM
(WHT)
LJP101 (GRN)
FUSE103
T3.15A L250V
ELECTRONIC CONTROLLER
WHT
RED
DATA (RED)
TERMINAL BOARD
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
PFC
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
GRY
GRY
ELECTRO-MAGNETIC
COIL (EXPANSION VALVE)
1
6
1
1
2
3
3
4
RAT2
(GRY)
RAT1
(GRY)
YLW
1
2
YLW
FUSE102
T3.15A L250V
CN-STM
(WHT)
CN-TH
(WHT)
CN-TANK
(WHT)
CN-HOT
(WHT)
(RED)
(BLU)
(YLW)
RED
COMPRESSOR
BLU
MS
3~
YLW
AIR TEMP. SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
COMPRESSOR TEMP. SENSOR
(THERMISTOR)
ELECTRO-MAGNETIC
COIL (4-WAY VALVE)
YELLOW (YEL)
BLUE (BLU)
RED (RED)
(TRADEMARK)
COMPRESSOR TERMINAL
THE PARENTHESIZED LETTERS IS
INDICATED ON TERMINAL COVER
REACTOR
AC-BLK
(BLK)
FUSE101
20A 250V
AC-WHT
(WHT)
REMARKS
BLK: BLACK
BLU: BLUE
WHT: WHITE
RED: RED
YLW: YELLOW
GRY: GRAY
GRN: GREEN
BRW: BROWN
ORG: ORANGE
YLW/GRN: YELLOW/GREEN
Resistance of Compressor Windings
MODEL
CU-E9SD3UA/CU-E12SD3UA
CONNECTION
5RS102XHA21
U-V
1.741
Ω
U-W
1.765
Ω
V-W
1.711
Ω
Note: Resistance at 68°F of ambient temperature.