Sharp AU-X108 Service Manual ▷ View online
AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
9
N
1
N
2
1
1
4
3
5
6
2
1
3
5
N
2
L
TERMINAL
BOARD
LED BLINKING
NO
1
2
3
4
LED indication pattern
Mulfunction part or abnormal condition
LED turns on
Slow flashing ( 1 time for 2 seconds)
Example : NO.2 Compressor lock
on
off
1.0sec
1.0sec
1.0sec
0.6sec
0.6sec
0.6sec
Quick flashing ( 3 times for 2 seconds)
TERMINAL
BOARD
OUTDOOR UNIT
TERMINAL BOARD
G(Y)
G(Y)
BR
BL
RE
WH
BK
BL
OR
THERMISTOR
COMP. TEMP.
TH1
CN1
WH
BK
RE
BL
YE
BL
FC1
YE
U
V
W
U(R)
V(S)
W(C )
COMPRESSOR
POWER
TRANSISTOR
MODULE (PM1)
TH2
RE
CONTROL BOARD UNIT
T1
T4
The voltage is high at C8, C9 (electronic capacitors) on outdoor unit.
For mentenance discharge at C8, C9 to prevent electric shock.
In case that WPE2 (protecter) has been fused, the voltage is kept high at C8, C9.
YE : YELLOW
GN : GREEN
BK : BLACK
BL : BLUE
BR : BROWN
GR : GRAY
RE : RED
WH : WHITE
OR : ORANGE
G(Y) : GREEN YELLOW
CAUTION
T5
BR
OR
RE
RE
BL
WH
RE
WH
C6
BK
C7A
C7B
C8
C9
C24
150
µ
F
400V
150
µ
F
400V
2000
µ
F 400V
2000
µ
F 400V
50
µ
F
200V
4700
µ
F
63V
L1
L2
4
1
2
3
MRY1
YE
YE
GR
BR
YE
T9
T7
T8
T10
20A
250V
DB1
DB2
DIODE BRIDGE
DIODE BRIDGE
GR
BL
PTC1
REACTOR
REACTOR
GR
BL
BL
GR
BL
T2
C11
C2
C3
C1
C5
CT1
NR2
RY2
CN3
CN8
C4
L3
L4
SA1
NR1
T11
T3
WPE1
WPE2
WPE3 3A 250V
20A
250V
FAN
MOTOR
FAN
MOTOR
CAPACITOR
2
µ
F 430V
THERMISTOR
PIPE TEMP.
UNIT TO UNIT CORD
SINGLE PHASE
220-240V 50/60Hz
LED INDICATION OF SELF-DIAGNOSIS
ON OUTDOOR UNIT
FAN
MOTOR
CONTROL BOARD
UNIT
INDOOR UNIT
GN
TH3
THERMISTOR
AIR TEMP.
Normal
Abnormal signal line
Compressor lock
Overheat of the compressor
Power module (PM1) abnormality
NO
6
5
7
8
LED indication pattern
Mulfunction part or abnormal condition
Short circuit of the thermistor
Open circuit of the thermistor
AC abnormal current
AC overcurrent
9
4 WAY VALVE error
NO.3 Overheat of the compressor
1.0sec
1.0sec
0.6sec
0.6sec
0.6sec
0.6sec
2
1
RE
CNR2
CNR1
T15
FAN
MOTOR
4 WAY
VALVE
COIL
RY1
Figure
W-5.
Wiring
Diagram
for
AE-X138E
AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
10
ELECTRICAL PARTS
For Model AH-X108E and AU-X108E
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; AC14.5V, 50Hz
Fuse
–
250V, 2.5A
AH
Compressor
HV237A1-S15DK
3-PHASE Induction motor
AU
Outdoor fan motor
ML-A720
220 - 240V, 50Hz
AU
Outdoor fan motor capacitor
–
430V, 2.0
µ
F
AU
WPE1
–
QFS-GA015JBE0(10A, 250V)
AU
WPE2
–
QFS-AA047JBE0(13A, 250V)
AU
WPE3
–
QFS-GA008JBE0(3A, 250V)
AU
For Model AY-X108E and AE-X108E
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; AC14.5V, 50Hz
Fuse
–
250V, 2.5A
AY
Compressor
HV237A1-S15DK
3-PHASE Induction motor
AE
Outdoor fan motor
ML-A719
220 - 240V, 50Hz
AE
Outdoor fan motor capacitor
–
430V, 2.0
µ
F
AE
WPE1
–
QFS-GA015JBE0(10A, 250V)
AE
WPE2
–
QFS-AA047JBE0(13A, 250V)
AE
WPE3
–
QFS-GA008JBE0(3A, 250V)
AE
AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
11
For Model AH-X138Eand AU-X138E
DESCRIPTION
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; AC14.5V, 50Hz
Fuse
–
250V, 2.5A
AH
Compressor
HV237A1-S15DK
3-PHASE Induction motor
AU
Outdoor fan motor
ML-A723
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-X138E and AE-X138E
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; AC14.5V, 50Hz
Fuse
–
250V, 2.5A
AY
Compressor
HV237A1-S15DK
3-PHASE Induction motor
AE
Outdoor fan motor
ML-A697
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
AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
12
BLOCK DIAGRAMS
INDOOR UNIT for AH-X108E / AY-X108E / AH-X138E / AY-X138E
DC power supply circuit
Fan motor phase control circuit
Rotation pulse input circuit
AC clock circuit
Louver motor drive circuit
Remote controller signal
reception circuit
reception circuit
Buzzer drive circuit
CPU reset circuit
CPU oscillator circuit
Room temp. detect circuit
Heat exchanger pipe thermo circuit
Compensation circuit/
select circuit
select circuit
Compensation circuit
Switchover circuit
Serial I/O circuit
Compressor relay drive circuit
LED drive circuit
Auto restart circuit
Test run circuit
Power select circuit
Flow direction control
(louver motor)
(louver motor)
Wireless remote control
operation
operation
Audible operation confirmation
Room fan motor
Fan motor pulse detect
Room temp. thermistor
Heat exchanger pipe thermistor
Blower temperature,
fan speed, model select
fan speed, model select
Outdoor ratings
Wireless, preheat
Indoor/outdoor control signal I/O
Outdoor unit power supply
on/off control
on/off control
LED display
Test run (forced operation)
Self diagnostics,
fault diagnosis
fault diagnosis
Power select switch H/L
AC power
Unit-unit
wiring (AC
power and
serial
signals)
wiring (AC
power and
serial
signals)
CPU
FUSE
Auxiliary mode
Auxiliary mode button ON/OFF
2.5 A
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