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YKCA 48
Indoor unit
22 0 4 27 9 0 0 2
K3
CN20 ( RED)
CN8
CN7
RT 2
R T 1
1
2 3
4 5
6
XT 2
TO OUTDOOR UNIT
Outdoor unit
H - PRO K1
L- P RO
C N201
BLACK ( H I )
RED( LOW)
XT5
RED
B LACK
FAN3
BLUE
BLUE
BLUE( N)
CAP 3
XT6
BLUE(N )
1
2
XT4
DI SPLAY BOARD
XP 1
XS 1
CN11
C N10
MAI N CONTROL BOARD
( W HI TE)
CN12
CN 3
CN2
C N1
XP 7
T4
XS 7
M
RED
PUMP
BLUE
Y/ G
C1
C B A N
XT1
T O OUTDOOR UNIT
MAI N CONTROL BOARD
T20 1
CN100
CN200
BLACK( L2)
BLA CK( L3)
B LUE
BLUE( N)
BLACK
BLACK
A B
C
N
3
4
X T3
T O WI RE CONTRO L LER
WIRI NG DIAGRAM
CN15
( INDOOR UNIT)
CODE
CAP 1
CN1 - 16
T4
CN14
CN16
FAN 1
K3
M
PUM P
RT 1
RT 2
Y/ G
XP1- XP2, XP7
F AN1
XS1- XS2, XS7
XT 1 , XT2
CN20
CAP1
POW E R
T5
W I RI NG DI AGRAM
CODE
COMP
FAN3
CAP3
BLAC K ( L1)
K M1
KM1
A1
A2
1
2
HEAT
3
4
5
6
XT4
21
22
XT5-7
H- PR O
BL ACK ( L3)
BLAC K ( L2)
T201
W
V
CO MP
RT3
HEAT
BLAC K ( L1)
U
XS8-9
XP8-9
CN100- 208
K1
R T4
Y/G
XT3
T 5
Y /G
PART NAME
I NDO OR FAN CAPACI TOR
P. C BOARD SOCKET S
POWERTRANSFORME R
I NDOO R F AN MOTOR
WA TERLEVEL SWIT CH
SWI NG M OTOR
PUMP
ROO M TEMPERATURE
PI PE TEMPERATURE
CO NNEC TORS
CONNECTORS
6- WAY TERMINAL
NET CONTROL INTERFACE
PART NAME
CO MPRESSOR
OUTDO OR FAN
FAN CAP.
AC CONTACTOR
CRANK
4- WAY T ERMI NA L
CONNECTOR
HI GH PRESSURE SWI TCH
CURRENT DETECTOR
PI PE TEMP. SENSOR
CONNECTORS
CONNECTORS
P. C. BO ARD SO CKET S
T EM P. PROTECT SW I T CH
ROOM TEMP. SENSO R
5- W AY TERM I NAL
TRANSFORM ER
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