Sharp AY-X127E Service Manual ▷ View online
AH-X127E
AU-X127E
AU-X127E
AY-X127E
AE-X127E
AE-X127E
5
WIRING DIAGRAMS
Figure
W-1.
Wiring
Diagram
for
AH-X127E
and
AY-X127E
TERMINAL BOARD
GREEN-YELLOW
POWER
SUPPLY
LOUVER
MOTOR
ROOM TEMP
THERMISTOR
PIPE TEMP
THERMISTOR
FAN MOTOR
CAPACITOR
430V 1.5
µ
F
RECEIVER
BOARD UNIT
DISPLAY
BOARD UNIT
ORANGE
YELLOW
TH1
CN4
CN7
CN8
CN1
A
CN2
BLUE
BLUE
BLUE
FAN MOTOR
CN3
NR1
TH2
TH2-1
TH2-2
1
2
BLACK
M
A
C1
TR
5
3
1
RED
RED
C
S
R.P.M.
SIGNAL
CONTROL BOARD UNIT
FUSE
250V 2.5A
T
Out
In
SSR1
BROWN
RY1
INDOOR UNIT
BLACK
TERMINAL BOARD
TERMINAL BOARD
OUTDOOR UNIT
FAN MOTOR
COMPRESSOR
UNIT TO UNIT CORD
CONTROL BOARD UNIT
1
1
2
2
N
N
L
N
SERIAL
SIGNAL
CIRCUIT
LED INDICATION FOR SELF-DIAGNOSIS
Abnormal conditions
Short circuit of the outdoor thermistor
Overheat of the compressor
Abnormal AC current
Compressor lock
Open circuit of the outdoor thermistor
DC overcurrent or over heat of the IPM
AC overcurrent
Open circuit of serial signal line
Short circuit of serial signal line
Abnormal fan motor of indoor unit
<Indication of the abnormal condition>
LED yellow and LED red indicate automatically,
if the set is in abnormal condition.
: LED no blink
: LED blink
<LED yellow bliking> LED yellow blinks 5 times in 10 seconds.
Blink steps
<LED red blinking>
Abnormal condition is
indicated by the blink-
ing pattern of LED red.
AH-X127E
AU-X127E
AU-X127E
AY-X127E
AE-X127E
AE-X127E
6
Figure
W-2.
Wiring
Diagram
for
AU-X127E
1
N
N
L
2
1
N
2
1
3
5
4
3
2
1
INDOOR UNIT
TERMINAL
BOARD
OUTDOOR UNIT
TERMINAL BOARD
CONTROL
BOARD
UNIT
TERMINAL
BOARD
UNIT TO UNIT CORD
CAUTION
The voltage is high at C8,C9 (electronic capacitors) on outdoor unit.
For mentenance dischage at C8,C9 to prevent electric shock.
In case that WPE2 (protecter) has been fused, the voltage is kept high at C8,C9.
G(Y)
G(Y)
T1
WPE1
SA1
NR1
T4
T5
C3
C4
L3
C11
20A
250V
BR
BL
T2
T11
T3
RE
CN3
A
M
C
RE
BK
BL
CN8
FAN MOTOR
CAPACITOR
2
µ
F 430V
FAN
MOTOR
CONTROL BOARD UNIT
BCN12
MRY1
GR
GR
BL
BL
T6
PTC1
CT1
C1
BK
REACTOR
L4
WPE3 3A 250V
NR2
RY1
CNR1
C24
C2
LED INDICATION OF SELF-DIAGNOSIS
ON OUTDOOR UNIT
LED BLINKING
LED turns on
Slow flashing (1 time for 2 seconds)
Quick flashing (3 times for 2 seconds)
Example: NO.2 Compressor lock
on
off
1.0sec
1.0sec
1.0sec
0.6sec
0.6sec
0.6sec
1.0sec
1.0sec
0.6sec
0.6sec
0.6sec
0.6sec
NO.3 Overheat of the compressor
NO.
1
2
3
4
Normal
Abnomal signal line
Compressor lock
Overheat of the compressor
DC overcurrent or overheat of the IPM
Short circuit of the thermistor
Open circuit of the thermistor
AC abnormal current
AC overcurrent
LED indication pattern
Mulfunction part or abnormal condition
NO.
5
6
7
8
LED indication pattern
Mulfunction part or abnormal condition
FAN
MOTOR
BK
BL
BR
GR
BLACK
BLUE
BROWN
GRAY
:
:
:
:
RE
WH
OR
G(Y)
RED
WHITE
ORANGE
:
:
:
YE
YELLOW:
: GREEN-YELLOW
DIODE BRIDGE
DIODE BRIDGE
DB1
DB2
OR
~
~
~
~
REACTOR L2
50
µ
F
200V
WH
WH
1
4
RE
YE
BL
RE
C5
C10
GR
BK
C6
C8
BL
BL
BL
150
µ
F
400V
150
µ
F
400V
GR
C9
BR
GR
YE
YE
C7
4700
µ
F
63V
T9
T7
WPE2
20A
250V
YE
YE
BL
BL
T10
T8
2000
µ
F 400V
2000
µ
F 400V
FC1
C29
POWER
TRANSISTOR
MODULE (PM1)
U
V
W
BCN11
RE
WH
BK
COMPRESSOR
U(R)
V(S)
W(C)
THERMISTOR
COMPRESSOR TEMP.
THERMISTOR
PIPE. TEMP.
TH1
TH2
OR
WH
L1
AH-X127E
AU-X127E
AU-X127E
AY-X127E
AE-X127E
AE-X127E
7
Figure
W-3.
Wiring
Diagram
for
AE-X127E
1
N
N
L
2
1
N
2
3
1
1
3
5
6
5
4
3
2
1
INDOOR UNIT
TERMINAL
BOARD
OUTDOOR UNIT
TERMINAL BOARD
CONTROL
BOARD
UNIT
TERMINAL
BOARD
UNIT TO UNIT CORD
CAUTION
The voltage is high at C8,C9 (electronic capacitors) on outdoor unit.
For mentenance dischage at C8,C9 to prevent electric shock.
In case that WPE2 (protecter) has been fused, the voltage is kept high at C8,C9.
G(Y)
G(Y)
T1
WPE1
SA1
NR1
T4
T5
C3
C4
L3
C11
20A
250V
BR
BL
T2
T11
T3
RE
RY2
CNR2
CN4
CN3
4 WAY
VALVE COIL
FAN
MOTOR
A
M
C
RE
BK
BL
CN8
FAN MOTOR
CAPACITOR
2
µ
F 430V
CONTROL BOARD UNIT
BCN12
MRY1
GR
GR
BL
BL
T6
PTC1
CT1
C1
BK
REACTOR
L4
WPE3 3A 250V
NR2
RY1
CNR1
C24
C2
LED INDICATION OF SELF-DIAGNOSIS
ON OUTDOOR UNIT
LED BLINKING
LED turns on
Slow flashing (1 time for 2 seconds)
Quick flashing (3 times for 2 seconds)
Example: NO.2 Compressor lock
on
off
1.0sec
1.0sec
1.0sec
0.6sec
0.6sec
0.6sec
1.0sec
1.0sec
0.6sec
0.6sec
0.6sec
0.6sec
NO.3 Overheat of the compressor
NO.
1
2
3
4
Normal
Abnomal signal line
Compressor lock
Overheat of the compressor
DC overcurrent or overheat of the IPM
Short circuit of the thermistor
Open circuit of the thermistor
AC abnormal current
AC overcurrent
LED indication pattern
Mulfunction part or abnormal condition
NO.
5
6
7
8
LED indication pattern
Mulfunction part or abnormal condition
FAN
MOTOR
BK
BL
BR
GR
BLACK
BLUE
BROWN
GRAY
:
:
:
:
RE
WH
OR
G(Y)
RED
WHITE
ORANGE
:
:
:
YE
GN
YELLOW
GREEN
:
:
: GREEN-YELLOW
DIODE BRIDGE
DIODE BRIDGE
DB1
DB2
OR
~
~
~
~
REACTOR L2
50
µ
F
200V
WH
WH
1
4
RE
YE
BL
RE
C5
C10
GR
BK
C6
C8
BL
BL
BL
150
µ
F
400V
150
µ
F
400V
GR
C9
BR
GR
YE
YE
C7
4700
µ
F
63V
T9
T7
WPE2
20A
250V
YE
YE
BL
BL
T10
T8
2000
µ
F 400V
2000
µ
F 400V
FC1
C29
POWER
TRANSISTOR
MODULE (PM1)
U
V
W
BCN11
RE
WH
BK
COMPRESSOR
U(R)
V(S)
W(C)
THERMISTOR
COMPRESSOR TEMP.
THERMISTOR
AIR. TEMP.
THERMISTOR
PIPE. TEMP.
TH3
TH1
TH2
GN
OR
WH
L1
AH-X127E
AU-X127E
AU-X127E
AY-X127E
AE-X127E
AE-X127E
8
ELECTRICAL PARTS
For Model AH-X127E and AU-X127E
DESCRIPTION
MODEL
REMARKS
SITE
Indoor fan motor
ML-A486
220 - 240V, 50Hz
AH
Indoor fan motor capacitor
–
430V, 1.5
µ
F
AH
Transformer
–
Primary; AC 230V, 50Hz
AH
Secondary; AC14.6V, 50Hz
Fuse
–
250V, 2.5A
AH
Compressor
KHV127FEM
3-PHASE Induction motor
AU
Outdoor fan motor
ML-A584
220 - 240V, 50Hz
AU
Outdoor fan motor capacitor
–
430V, 2.0
µ
F
AU
WPE1
–
QFS-GA014JBE0(20A, 250V)
AU
WPE2
–
QFS-GA019JBE0(20A, 250V)
AU
WPE3
–
QFS-GA008JBE0(3A, 250V)
AU
For Model AY-X127E and AE-X127E
DESCRIPTION
MODEL
REMARKS
SITE
Indoor fan motor
ML-A486
220 - 240V, 50Hz
AY
Indoor fan motor capacitor
–
430V, 1.5
µ
F
AY
Transformer
–
Primary; AC 230V, 50Hz
AY
Secondary; AC14.6V, 50Hz
Fuse
–
250V, 2.5A
AY
Compressor
KHV127FEM
3-PHASE Induction motor
AE
Outdoor fan motor
ML-A584
220 - 240V, 50Hz
AE
Outdoor fan motor capacitor
–
430V, 2.0
µ
F
AE
WPE1
–
QFS-GA014JBE0(20A, 250V)
AE
WPE2
–
QFS-GA019JBE0(20A, 250V)
AE
WPE3
–
QFS-GA008JBE0(3A, 250V)
AE
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