York YOHC 12, Service Manual

Page: 19 / 75

6. Wiring Diagrams
6.1 Cooling & Heating
6.1.1 YOKC-12
XT1
RT2
XT1
XT2
RT1
XP1~4
XS1~4
CAP1
FAN1
CN1- CN24
T4
XT2
KM1
GM1
FAN1
DI SPLAY
BOARD
CAP1
T4
MAI N CONTROL BOARD
CN15
CN10
CN16
CN1 CN2 CN3 CN5
( W HI TE)
XP1
XS1
XS3
XP3
TO OUTDOOR UNI T
Y/ G
POW ER
W HI TE
TO OUTDOOR UNI T
I NDOOR
W I RI NG DI AGRAM
CONNECTORS
PI PE TEMP. SENSOR
ROOM TEMP. SENSOR
5- WAY TERMINAL
P. C. BOARD SOCKETS
TRANSFORMER
RL8
RELAY FOR
COMPRESSOR
Y/ G
CN12
LEVEL SW I NG MOTOR
KM1
CODE
I NDOOR FAN
I NDOOR FAN CAP
PART NAME
BL
AC
K(
HI
)
RE
D
BL
AC
K
BL
UE
(S
.V
)
BL
AC
K(
C)
RE
D
WH
IT
E
BL
AC
K
WH
IT
E(
T3
)
BL
AC
K(
E)
RE
D(
LO
)
BL
AC
K(
L)
BL
UE
(N
)
CN13
W HI TE
4
3
5
( RED)
Y/ G
L N 1 2(N)
CONNECTORS
6- WAY TERMINAL
PLUMB SW I NG MOTOR GM2
6.1.2. YOKC -18
XT1
RT2
XT1
XT2
RT1
XP1~4
XS1~4
CAP1
FAN1
CN1- CN24
T4
XT2
KM1
GM1
FAN1
DI SPLAY
BOARD
CAP1
T4
MAI N CONTROL BOARD
CN15
CN10
CN16
CN1 CN2 CN3 CN5
( W HI TE)
XP1
XS1
XS3
XP3
TO OUTDOOR UNI T
Y/ G
POW ER
W HI TE
TO OUTDOOR UNI T
I NDOOR
W I RI NG DI AGRAM
CONNECTORS
PI PE TEMP. SENSOR
ROOM TEMP. SENSOR
5- WAY TERMINAL
P. C. BOARD SOCKETS
TRANSFORMER
RL8
RELAY FOR
COMPRESSOR
Y/ G
CN12
LEVEL SW I NG MOTOR
KM1
CODE
I NDOOR FAN
I NDOOR FAN CAP
PART NAME
BL
AC
K(
HI
)
RE
D
BL
AC
K
BL
UE
(S
.V
)
BL
AC
K(
C)
RE
D
WH
IT
E
BL
AC
K
WH
IT
E(
T3
)
BL
AC
K(
E)
RE
D(
LO
)
BL
AC
K(
L)
BL
UE
(N
)
CN13
W HI TE
4 3 5
( RED)
Y/ G
L N 1 2(N)
CONNECTORS
6- WAY TERMINAL
PLUMB SW I NG MOTOR GM2