Outdoor Unit - Panasonic CS-E12RB4UW Service Manual

8.2

Outdoor Unit

8.2.1 CU-E12RB4U
POWER SUPPLY
TO INDOOR UNIT
1
L1 L2
( BLACK )
YLW/GRN
BLK
BLK
REMARKS;
BLACK; (BLK)
BLUE; (BLU)
WHITE; (WHT)
RED; (RED)
YELLOW; (YLW)
GRN
GRAY; (GRY)
GREEN; (GRN)
BROWN; (BRW)
ORANGE; (ORG)
YELLOW/GREEN; (YLW/GRN)
FAN
MOTOR
ORG
ELECTRONIC
CONTROLLER
ORG
RY-HT2
HT2(ORG)
ACL(BRW)
Resistance of Compressor Windings
MODEL
CONNECTION
U-V
U-W
V-W
Note: Resistance at 20°C of ambient temperature.
2 3
TERMINAL BOARD
(WHITE) (RED)
WHT RED
DATA ( RED )
COMMUNICATION
AC-BLK
WHT
(BLK)
FUSE101
20A 250V
AC–WHT
(WHT)
FG1 (GRN)
GRN
LJP101 (GRN)
1
4
M
CN-DCFM
(WHT)
7
HT2 (ORG)
1
CN-HT1 CN4
5
1
CN-HT2 CN5
5
ACL(BRW)
BRW
CU-E12RB4U
5RS102XHA21
1.741 Ω
1.711 Ω
1.765 Ω
REACTOR
GRY GRY
RAT2 RAT1
(GRY) (GRY)
CIRCUIT
NOISE FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
FUSE103
T3.15A L250V
SWITCHING
POWER SUPPLY
CIRCUIT
19
ELECTRO-MAGNETIC
COIL (EXPANSION VALVE)
M
1
CN–STM
6
(WHT)
1
PFC
CIRCUIT 2
CN–TH
3
(WHT)
4
RECTIFICATION
CIRCUIT
1
CN–TANK
(WHT)
3
1
CN–HOT
2
(WHT)
Q1
( RED )
P
U
( BLU )
V
( YLW )
W
N
ELECTRONIC CONTROLLER
YELLOW (YLW)
BLUE (BLU)
RED (RED)
(TRADEMARK)
COMPRESSOR TERMINAL
THE PARENTHESIZED LETTERS IS
INDICATED ON TERMINAL COVER
AIR TEMP. SENSOR
(THERMISTOR)
t°
t°
PIPING TEMP. SENSOR
(THERMISTOR)
COMPRESSOR TEMP. SENSOR
(THERMISTOR)
t°
YLW
ELECTRO-MAGNETIC
COIL (4-WAY VALVE)
YLW
RED
M S
BLU
YLW ~
3
COMPRESSOR