26 
8.2.2  CU-UE18RKE  
 
TERMINAL
BOARD
TO INDOOR UNIT
COMPRESSOR
OUTDOOR AIR TEMP.
SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
1
4
t
0
t
0
AC-WHT
(WHT)
CN-MTR1
(WHT)
CN-MTR2
(WHT)
IC19
Q1
FG1
(GRN)
FG2
(GRN)
GRN
BLK
WHT
GRN
AC-BLK
(BLK)
DATA
(RED)
RED
GRY
RAT2
(GRY)
GRY
RAT1
(GRY)
REACTOR
RED
BLU
YLW
U (RED)
FUSE101
T3.15A L250V
V (BLU)
W (YLW)
U
V
W
3
5
5
1
10
14
16
1
COMPRESSOR TEMP.
SENSOR (THERMISTOR)
1
3
CN-TANK
(WHT)
t
0
ELECTRO-MAGNETIC
COIL (4-WAYS VALVE)
1
3
CN-HOT
(WHT)
CN-TH1
(WHT)
P
N
SWITCHING
POWER
SUPPLY CIRCUIT
FUSE103
(20A 250V)
321
COMMUNICATION
CIRCUIT
PFC
CIRCUIT
W
U
V
FAN MOTOR
ELECTRONIC CONTROLLER
MS
3 ~
NOISE
FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RED (RED)
TRADE MARK
BLUE (BLU)
YELLOW (YLW)
COMP. TERMINAL
ELECTRO-MAGNETIC
COIL
(EXPANSION VALVE)
CN-STM
(WHT)
1
6
M
REMARKS
BLACK: (BLK) RED: (RED)
WHITE: (WHT) BROWN: (BRW)
YELLOW: (YLW) GREEN: (GRN)
ORANGE: (ORG) GRAY: (GRY)
BLUE: (BLU) YELLOW/GREEN: (YLW/GRN)
MS
3 ~
FUSE104
T3.15A L250V
 
 
Resistance of Compressor Windings     
MODEL  CU-UE18RKE       
CONNECTION  5RD132XBE21       
U-V  1.897 Ω       
U-W  1.907 Ω       
V-W  1.882 Ω       
Note: Resistance at 20°C of ambient temperature.