York YHKMXH009BARX-FX, Service Manual, Page: 152 / 269

YHUJYH048BASXA-X YHUJYH048BASXA-Y YHUJYH060BASXA-X
LE
D
1
LE
D
2
CN19
CON1
U
W
CO
M
P
RE
S
S
OR
V
M
2
20
V
A
C T
6.3A
FUS
E
1
2.USER SHOULD NOT TO CHANGE THE DIP SWITCH SW1,SW6,SW7 WITHOUT GUIDENCE 3.WIRE COLOR: B:BLACK W:WHITE BL:BLUE R:RED OR:ORANGE Y/G:YELLOW/GREEN 1.DESHAED FRAMES ARE OPTIONAL, AND IN SOME MODELS ARE NOT AVAILABLE.
NOTE1:
CN8
P
M
V
P
TC
SIG
CON2
N
S
W
5
S
W
4
S
W
2
S
W
3
FA
CON3
L
CO
NTR
OL
B
O
A
R
D
W
V
U
R
S
T
SCP1
SCP2
SCN
CN607
CN11
TO I
S
P
M
W
R
W
B
CN1
R
L1 L2 L3
N
E
L1’ L2’ L3’ N’ E’
HP
LP
CN2
CN9
CN10
CN3
CN4
CN6
CN5
CN7
TC
TS
TD
TE
TA
SERIAL
CN12
DC FAN MOT OR
M
CN13
DC FAN MOT OR
M
S
W
6
ON
4
3
2
1
FAN
UP
DOWN
COM
ALARM
R B
0150509027Y
CIRCUIT DIAGRAM OF OUTDOOR UNIT
R
S
T
1
2
POWER SUPPL
Y
TO INDOOR UNIT
Y/G
FIL
TER
MODULE
3
ON
SW1-1
SW1-2
48000 BTU 60000 BTU
ON
SW1-1
SW1-2
ON
SW1-4
DC FAN MOTOR
AC FAN MOTOR
ON
SW1-4
TC: MIDDLE PIPE TEMPERA
TURE SENSOR
TS:
CO
M
PRE
SS
OR INHALE SENSOR
TE: DEFROST
TEMPREA
TURE SENSOR
TA: AMBIENT
TEMPERA
TURE SENSOR
TD:
CO
M
PRE
SS
OR DISCHARGE TEMPERATURE SENSOR
NOTE2:
B
M
C
R
AN
KC
ASE
H
EA
TER
4-
W
AY
VAL
VE
DOWN A
C
FA
N
M
O
TO
R
CN20
N
L
M
UNLOAD VALVE
CN16
H
CN15
CN17
ca
pa
ci
to
r
M
UP A
C
FA
N
M
O
TO
R
N
L
M
H
CN14
ca
pa
ci
to
r
SPRAY VALVE
CN18
Y/G
Y/G
ON
S
W
1
1
2
3
4
5
6
7
8
DC-
L1
L2
DC+
P
N
DC-
DC1-
DC2-
DC+
DC1+
DC2+
CAP
ACIT
OR
REACTOR
S
W
7
ON
4
3
2
1
BL
N
W W
W
SW7
NEW PROTOCOL
OLD PROTOCOL
SW7
W
W
W
B
B
W
ON
SW1-5
SIGNLE FAN
DOUBLE FAN
ON
SW1-5
NEW PROTOCOL OLD PROTOCOL
ON
SW1-6
ON
SW1-6
B
Y
/G
Y/G
B
W
LP: LOW PRESSURE SWITCH
HP: HIGH PRESSURE SWITCH
OR
OR
150