5. Wiring Diagrams
YKCA 18 (compact)
Indoor unit
CN5
10
XS6
XP6
MAI N BOARD
CN7
KM1
CN19
RT2
RED
RT1
XS1
XP1
CN2
CN3
XT1
L
CN1
XS2
XP2
T4
CN11
CN10
K3
CN1- CN120 CN170
CN190 2CON10
CN9
FAN1
SWI NG
N
1
BLACK
CN12
5
5
XP7
XS7
CN4
XS8
PUMP
Y&G
XS4
2
2
XP8
CN8
XP4
CAP1
6
WHI TE
3
XS1- XS8
XP1- XP8
XT1
RL6
T4
K3
KM1
SWING
RT2
RT1
FAN1
CN17
2
10
RL6
CODE
CAP1
P.C BOARD SOCKETS
COMPRE
SSOR CONTROL WIRE
CONNECTORS
7- WAY TERMINAL
COMPRESSOR RELAY
WATER LEVEL SENSOR
PIPE TEMP ERATURE SENSOR
ROOM TEMPERATURE SENSOR
I NDOOR FAN
SWIN G MOTOR
TRANSFORMER
CONNECTORS
I NDOOR FAN CAPACITOR
NAME
PUMP
PUMP
2
(N)
RED
RED BLUE
Y&G
WHI TE
Outdoor unit
N
3
4
FAN1
CAP1
COMP
C
XT1
S
R
WHITE
CAP3
C O DE
PA RT NA M E
COMP. CAP
CAP1
OUTDOOR FAN
FAN1
OUTDOOR FAN CAP
CAP3
XT1
CONNECTOR
XP1 XS1
COMPRESSOR
COMP
TO I ND O O R UN IT
5- WAY TERMINAL
RT3
OUTDOOR PI PE
TEMP. SENSOR
Y /G
( OUTDOOR)
WIRING
DIAGRAM
WHITE
BLACK
WHITE
BLACK
1
BLUE
RED
Y/G
BROWN
GREEN
XT2
2- WAY TERMINAL