Main Control Board - York YKCA-YKHA 18 Service Manual

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YKCA 36
(3 phase)
Indoor unit
22 0 4 27 9 0 0 2
K3
CN20 ( RED)
CN8
CN7
RT 2
R T 1
1
4 5
2 3
6
XT 2
TO OUTDOOR UNIT
Outdoor unit
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
C B A N
C1
XT1
T O OUTDOOR UNIT
T O WI RE CONTRO L LER
W I RI NG DI AGRAM
( I NDOOR UNI T)
CN15
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
PART NAME
I NDO OR FAN CAPACI TOR
P. C BOARD SOCKET S
POW ER TRANSFORM E R
I NDOO R F AN MOTOR
W ATERLEVEL SW I T CH
SWI NG M OTOR
PUMP
ROO M TEMPERATURE
PI PE TEMPERATURE
CO NNEC TORS
CONNECTORS
6- W AY TERM I NAL
NET CONTROL I NTERFACE

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Ykca-ykha 36Ykca-ykha 48Ykca-ykha 24

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