Sharp AH-X108E User manual

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
1
SHARP CORPORATION
Page
SPECIFICATIONS .......................................................................................................................................... 2
EXTERNAL DIMENSIONS............................................................................................................................... 4
WIRING DIAGRAMS....................................................................................................................................... 5
ELECTRICAL PARTS .................................................................................................................................... 10
BLOCK DIAGRAM ......................................................................................................................................... 12
MICROCOMPUTER CONTROL SYSTEM.................................................................................................... 14
FUNCTIONS ................................................................................................................................................. 25
FUNCTION AND OPERATION OF PROTECTIVE PROCEDURES ............................................................. 30
BREAKDOWN DIAGNOSIS PROCEDURE .................................................................................................. 32
REFRIGERATION CYCLE........................................................................................................................... 34
PERFORMANCE CURVES .......................................................................................................................... 36
DISASSEMBLING PROCEDURE .................................................................................................................. 38
OPTION ......................................................................................................................................................... 45
REPLACEMENT PARTS LIST....................................................................................................................... 46
TABLE OF CONTENTS
S6831AYX138E/
SERVICE MANUAL
INDOOR UNIT
AH-X108E AY-X108E
AH-X138E AY-X138E
AU-X108E AE-X108E
AU-X138E AE-X138E
OUTDOOR UNIT
Intheinterestsofuser-safety(Requiredbysafetyregulationsinsome
countries) thesetshouldberestoredtoitsoriginalconditionandonly
parts identical to those specified should be used.
MODELS
SPLITTYPE
ROOM AIR CONDITIONERS

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
2
SPECIFICATIONS
Models INDOOR UNIT OUTDOOR UNIT
AH-X108E AH-X138E AU-X108E AU-X138E
Cooling capacity kW 2.8 (0.9 3.2) 3.6 (0.9 3.9) 2.8 (0.9 3.2) 3.6 (0.9 3.9)
Moisture removal Liters/h 1.1 1.3 1.1 1.3
Electrical data
Phase - Single
Rared frequency Hz 50
Rated voltage range V 198 to 264
Rated voltage V 220 - 240
Rated current A 4.5 - 4.1 6.2 - 5.9 4.5 - 4.1 6.2 - 5.9
Rated input W 930 1220 930 1220
Power factor % 94 - 95 89 - 86 94 - 95 89 - 86
Compressor Type Hermetically sealed rotary type
Model HV237A1-S15DK
Oil charge 455cc(SUNISO 4GSD)
Refrigerant Evaporator Grooved tube type
system Condenser Corrugate Fin and Grooved tube type
Control Capillary tube
Refrigerant volume 850g 870g 850g 870g
Noise level High dB(A) 39 42 43 48
(at cooling) Med. dB(A) 33 36 - -
Low dB(A) 28 30 - -
Fan system
Drive Direct drive
Air flow High m3/min. 10.0 11.0 25.0 26.0
quantity Med. m3/min. 6.6 7.4 - -
(at cooling) Low m3/min. 5.1 5.9 - -
Fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 3/8", 1/4" 1/2", 1/4" 3/8", 1/4" 1/2", 1/4"
Drain pipng mm (Inches) O.D ø 18 (45/64)
Others
Safety device Compressor: Thermal protector
Fan motors: Thermal fuse
Fuse, Micro computer control
Air filter Polypropylene net (Washable)
Net Width mm 790 (31-3/32) 728 (28-21/32)
dimensions Height mm 270 (10-5/8) 530 (20-7/8)
Depth mm 188 (7-13/32) 250 (9-27/32)
Net weight kg 9 9 32 39
Note: The condition of star(
) marked item are 'IEC 378'.

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
3
Models INDOOR UNIT OUTDOOR UNIT
AY-X108E AY-X138E AE-X108E AE-X138E
Cooling capacity kW 2.8 (0.9 3.2) 3.6 (0.9 3.9) 2.8 (0.9 3.2) 3.6 (0.9 3.9)
Heat pump kW 3.7 (0.9 5.0) 4.8 (1.0 6.2) 3.7 (0.9 5.0) 4.8 (1.0 6.2)
Heating capacity
Moisture removal Liters/h 1.1 1.3 1.1 1.3
Electrical data
Phase - Single
Rared frequency Hz 50
Rated voltage range V 198 to 264
Rated voltage V 220 - 240
Rated current Cool A 4.5 - 4.1 6.2 - 5.9 4.5 - 4.1 6.2 - 5.9
Heat A 5.0 - 4.6 7.4 - 6.9 5.0 - 4.6 7.4 - 6.9
Rated input Cool W 930 1220 930 1220
Heat W 1050 1500 1050 1500
Power factor Cool % 94 - 95 89 - 86 94 - 95 89 - 86
Heat % 95 - 95 92 - 91 95 - 95 92 - 91
Compressor Type Hermetically sealed rotary type
Model HV237A1-S15DK
Oil charge 455cc(SUNISO 4GSD)
Refrigerant Evaporator Grooved tube type
system Condenser Corrugate Fin and Grooved tube type
Control Capillary tube
Refrigerant volume 850g 870g 850g 870g
De-Ice system Micro computer controled reverse system
Noise level High dB(A) 39 42 43 48
(at cooling) Med. dB(A) 33 36 - -
Low dB(A) 28 30 - -
Fan system
Drive Direct drive
Air flow High m3/min. 10.0 11.0 25.0 26.0
quantity Med. m3/min. 6.6 7.4 - -
(at cooling) Low m3/min. 5.1 5.9 - -
Fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 3/8", 1/4" 1/2", 1/4" 3/8", 1/4" 1/2", 1/4"
Drain pipng mm (Inches) O.D ø 18 (45/64)
Others
Safety device Compressor: Thermal protector
Fan motors: Thermal fuse
Fuse, Micro computer control
Air filter Polypropylene net (Washable)
Net Width mm 790 (31-3/32) 728 (28-21/32)
dimensions Height mm 270 (10-5/8) 530 (20-7/8)
Depth mm 188 (7-13/32) 250 (9-27/32)
Net weight kg 9 9 32 39
Note: The condition of star(
) marked item are 'IEC 378'.

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
4
Figure E-1. INDOOR UNIT
Figure E-2. OUTDOOR UNIT
790 188
270
800
58 18
19.5
182
Length unit (mm)
EXTERNAL DIMENSIONS
250
280
304
525
10.5
38
58
5
76.5
141.5
515
530
15
728
98 60
59.5
69.5
Length unit (mm)

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
5
Figure W-1. Wiring Diagram for AH-X108E, AH-X138E, AY-X108E and AY-X138E
WIRING DIAGRAMS
11
N
L
N
2
N
2
OUTDOOR UNITINDOOR UNIT
CONTROL BOARD UNIT
BLACK
RED
RED
TERMINAL BOARDTERMINAL BOARDTERMINAL BOARD
GREEN-YELLOW
Blink steps Malfunction part or abnormal condition
Short circuit of the outdoor thermistor Overheat of the compressor Abnormal AC current Compressor lock Open circuit of the outdoor thermistor Power module(PM1) abnormality AC overcurrent 4 way valve abnormality Open circuit of serial signal line Short circuit of serial signal line Abnomal fan motor of indoor unit
: LED blink
<LED yellow blinking> LED yellow blinks 5 times in 10 seconds.
< Indication of the abnormal condition > LED yellow and LED red indicate automatically, if the set is in abnormal condition.
<LED red blinking> abnormal condition is indicated by the blinking pattern of LED red.
BLUE
BROWN
YELLOW
ORANGE
BROWN RY1
In Out
CN3NR1 CN4 CN1 CN2
CN7 CN8
TR
C1
SSR1
A A
S
M
C
BLUE BLUE
BLUE
BLACK
4 3 2 1
POWER SUPPLY SINGLE PHASE
LOUVER MOTOR
TH1 ROOM TEMP THERMISTOR
SERIAL SIGNAL CIRCUIT
PIPE TEMP THERMISTOR TH2
RECEIVER BOARD UNIT
FAN MOTOR CAPACITOR 430V 1.5µF
R.P.M. SIGNAL
DISPLAY BOARD UNIT
FUSE 250V 2.5A T
FAN MOTOR
FAN MOTOR COMPRESSOR
CONTROL BOARD UNIT
UNIT TO UNIT CORD
531
LED INDICATION FOR SELF-DIAGNOSIS
x x x x x x x
x x x
x x x x x
x x x x x x x xx x
xx
x x
x : LED no blink
x x x x x

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
6
N
1
N
2
1
14
3 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 1.0sec0.6sec 0.6sec 0.6sec
Quick flashing ( 3 times for 2 seconds)
TERMINAL BOARD OUTDOOR UNIT
TERMINAL BOARD
G(Y)
G(Y)
BR BL RE
RE
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
T7
BR OR
RE WH
YE
T12
T6
T8 T14
T13
L1
L2
REACTOR
REACTOR
RE
GR
C7A C6A
D4
D5 C8 C9
T9
T10
C6B
C7B
80µF 400V 235µF 250V
470µF 400V 470µF
400V
10A 250V
235µF 250V
80µF 400V
GR
WH
BL
BK
DB1 DB2
DIODE BRIDGE DIODE BRIDGE
BL
T2 C11 C2
C3
C1
C5
CT1
NR2
RY2
CNR2
CN3
CN6
C4
L3 L4
SA1 NR1
T11 T3
WPE1
WPE2
WPE3 3A 250V
13A 250V
FAN MOTOR
FAN MOTOR CAPACITOR 2µF 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
+
–
+
–
+ +
+
–
+
–
– –
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
NO.3 Overheat of the compressor
1.0sec 1.0sec0.6sec 0.6sec 0.6sec0.6sec
Figure W-2. Wiring Diagram for AU-X108E

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
7
N
1
N
2
1
14
3 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 1.0sec0.6sec 0.6sec 0.6sec
Quick flashing ( 3 times for 2 seconds)
TERMINAL BOARD OUTDOOR UNIT
TERMINAL BOARD
G(Y)
G(Y)
BR BL RE
RE
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
150µF 400V 150µF 400V
2000µF 400V 2000µF 400V
50µF 200V
4700µF 63V
L1
L2
4
123
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
CNR2
CN3
CN8
C4
L3 L4
SA1 NR1
T11 T3
WPE1
WPE2
WPE3 3A 250V
20A 250V
FAN MOTOR
FAN MOTOR CAPACITOR 2µF 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
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
NO.3 Overheat of the compressor
1.0sec 1.0sec0.6sec 0.6sec 0.6sec0.6sec
Figure W-3. Wiring Diagram for AU-X138E

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
8
N
1
N
2
1
14
5 6 3 2 1
3
2 1 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 1.0sec0.6sec 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
RE
BK BL OR
GN
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 TH3
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
T7
BR OR
RE WH
YE
T12
T6
T8 T14
T13
L1
L2
REACTOR
REACTOR
RE
GR
C7A C6A
D4
D5 C8 C9
T9
T10
C6B
C7B
80µF 400V 235µF 250V
470µF 400V 470µF
400V
10A 250V
235µF 250V
80µF 400V
GR
WH
BL
BK
DB1 DB2
DIODE BRIDGE DIODE BRIDGE
BL
T2 C11 C2
C3
C1
C5
CT1
NR2
RY2
CNR2CNR1
CN3
CN6
C4
L3 L4
SA1 NR1
T11 T3
T15
WPE1
WPE2
WPE3 3A 250V
13A 250V
FAN MOTOR
4 WAY VALVE COIL
FAN MOTOR CAPACITOR 2µF 430V
THERMISTOR PIPE TEMP. THERMISTOR AIR 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
+
–
+
–
+ +
+
–
+
–
– –
RY1
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 1.0sec0.6sec 0.6sec 0.6sec0.6sec
Figure W-4. Wiring Diagram for AE-X108E

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
9
N
1
N
2
1
14
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 1.0sec0.6sec 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
150µF 400V 150µF 400V
2000µF 400V 2000µF 400V
50µF 200V
4700µF 63V
L1
L2
4
123
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 2µF 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 1.0sec0.6sec 0.6sec 0.6sec0.6sec
2 1
RE
CNR2CNR1 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, 1.5µF 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, 2.0µF 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, 1.5µF 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, 2.0µF AE
WPE1 – QFS-GA015JBE0(10A, 250V) AE
WPE2 – QFS-AA047JBE0(13A, 250V) AE
WPE3 – QFS-GA008JBE0(3A, 250V) AE