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– 39 –
BLU : BLUE
YEL : YELLOW
BRN : BROWN
WHT : WHITE
GRY : GRAY
ORN : ORANGE
GRN : GREEN
RED : RED
BLK : BLACK
PNK : PINK
VIO : VIOLET
WIRING DIAGRAM
MODEL RAS-50WX8 / RAC-50WX8
RAS-D18EX3 / RAC-D18EX3
CAUTION
The marked parts are very
important ones for safety.
INDOOR
UNIT
OUTDOOR
UNIT
CIRCUIT
SW
PO
WER
BLK
BLK
REVERSING
VALVE
GRY
GRY
GRY
GRY
PNK
WHT
YEL
ORN
BLU
BRN
RED
PNK
GRN
FAN
MOTOR
ELECTRIC
EXPANSION
VALVE
OUTDOOR
TEMPERATURE
THERMISTOR
DEFROST
THERMISTOR
OVER
HEAT
THERMISTOR
COMPRESSOR
WHT
WHT
YEL
YEL
RED
RED
BLK
RED
WHT
YEL
BLU
WHT
25A
FUSE
MAIN
P.W.B.
(BRN) (RED)
BRN
RED
L
N
TERMINAL
BOARD
(BLK) (WHT)
BLK
WHT
(GRN+YEL)
GRN
CONNECTING
CORD
C
D
+
-
〜
〜
U
V
W
+
-
+
-
L001
〜
L002
CT1
〜
CN15
CN10
RED
CN9
BLU
CN8
WHT
-
+
+
-
CN13
CN13
5
CN14
10
CN14
CN11
CN11
5
CN12
CN12
CN6
WHT
RED
L2
L1
CN2
M
DIODE
STACK
VARISTOR2
2A
FUSE
NF
COIL1
COIL
3A
FUSE
POWER
RELAY
STACK
DIODE
SURGE
ABSORBER
VARIST
OR1
VARISTOR3
SYSTEM
PO
WER
MODULE
GRY
YEL
BLU
RED
YEL
REA
CT
OR
YEL
-
+
C003
C006
R001
C002
C001
R007
+
+
R011
R010
C011
C010
C014
C015
C013
C008
C012
C007
R002
RELAY
ICP
R008
(GRN+YEL)
POWER SOURCE
AC220-230V
50Hz
M
CN11
M
CN10
CN3
CN7
CN9
4
3
2
1
CN2
9
CN2
INDOOR
FAN MOTOR
RED
BLK
WHT
YEL
BLU
GRY
WIRELESS REMOTE
CONTROL
CONTROL
P.W.B.
WIRED
REMOCON
H-LINK
1 2 3 4 5 6
12V Rx
Tx 0V
0V 12V Rec Send
M
CN1
GRY
CN4
AUTO SWEEP
MOTOR2
AUTO SWEEP
MOTOR1
INDICATION,
TEMPORARY SW
AND
LIGHT RECEIVING UNIT
P.W.B.
BLK
BLK
11
M
4
D
C
BRN
RED
CONNECTING
TERMINAL BOARD
CORD
(BRN)
(GRN&YEL)
HEAT
EXCHANGER
THERMISTOR
ROOM
THERMISTOR
TEMPEATURE
FRONT PANEL
MOTOR
LIMIT
SWITCH
(RED)
IONIZER