Sharp Plasmacluster AY-XP9LSR User manual

SERVICE MANUAL
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
CHAPTER 1. SPECIFICATION
[1] SPECIFICATION............................................ 1-1
[2] EXTERNAL DIMENSION............................... 1-3
[3] WIRING DIAGRM .......................................... 1-4
[4] ELECTRICAL PARTS .................................... 1-5
CHAPTER 2. EXPLAMATION OF CIRCUIT AND OP-
ERATION
[1] BLOCK DIAGRAMS....................................... 2-1
[2]
MICROCOMPUTER CONTROL SYSTEM .................. 2-3
[3] FUNCTION..................................................... 2-7
CHAPTER 3. FUNCTION AND OPERATION OF PRO-
TECTIVE PROCEDURES
[1] PROTECTION DEVICE FUNCTIONS AND
OPERATIONS................................................ 3-1
[2] AIR CONDITIONER OPERATION IN
THERMISTOR ERROR ................................. 3-3
[3] THERMISTOR TEMPERATURE
CHARACTERISTICS ..................................... 3-5
[4] HOW TO OPERATE THE OUTDOOR
UNIT INDEPENDENTLY................................ 3-5
[5]
GENERAL TROUBLESHOOTING CHART ................. 3-6
[6] MALFUNCTION (PARTS) CHECK
METHOD ......................................................3-8
[7] OUTDOOR UNIT CHECK METHOD........... 3-11
[8] TROUBLESHOOTING GUIDE ....................3-14
[9] CHART ........................................................3-15
CHAPTER 4. REFRIGERATION CYCLE
[1] SCHEMATIC DIAGRAM ................................4-1
[2] STANDARD CONDITION..............................4-1
[3] TEMPERATURE AT EACH PART AND
PRESSURE IN 3-WAY VALVE ......................4-1
[4] PERFORMANCE CURVES...........................4-2
CHAPTER 5. DISASSEMBLING PROCEDURE
[1] INDOOR UNIT...............................................5-1
[2] HOW TO REMOVE PLASMACLUSTER
UNIT
(For the models with PLASMACLUSTER) ..................5-4
[3] DISASSEMBLY OF OUTDOOR UNIT...........5-5
Parts Guide
TopPage
CONTENTS
No. S2005AYXP12LST
SPLIT TYPE
AIR CONDITIONER
MODEL INDOOR UNIT
AY-XP9LSR
AY-XP12LSR
OUTDOOR UNIT
AE-X9LSR
AE-X12LSR
In the interests of user-safety (Required by safety regulations in some countries) the set should
be restored to its original condition and only parts identical to those specified should be used.
AYXP9LSR

AYXP9LSR
1 – 1
AY X P9 L SR Service Manual
CHAPTER 1. SPECIFICATION
[1] SPECIFICATION
1. AY-XP9LSR – AE-X9LSR
NOTE: The conditions of star ”I” marked item are “ISO5151:1994(E)”, condition T1’.
MODEL INDOOR UNIT OUTDOOR UNIT
ITEMS AY-XP9LSR AE-X9LSR
Rated cooling capacity (Min– Max.) kW 2.5 (0.9 - 3.0)
Rated heating capacity (Min–Max.) kW 2.9 (0.9 - 3.7)
Moisture removal (at cooling) Liters/h 0.8
Electrical data
Phase Single
Rated frequency Hz 50
Rated voltage V 220-240
Rated current I
(Min - Max.)
Cool A 4.0 (1.3 - 5.4 )
Heat A 4.0( 1.2 - 5.9 )
Rated input I
(Min - Max.)
Cool W 770 (240- 1100)
Heat W 780 (220 - 1200)
Power factor ICool % 84
Heat % 85
Compressor Type Hermetically sealed rotary type
Model 43A23YBM&FJKE
Oil charge 370cc (Zegles RB68EP)
Refrigerant system Evaporator Louver Fin and Grooved tube type
Condenser Corrugate Fin and Grooved tube type
Control Capillary tube
Refrigerant (R410A) 690g
De-lce system Micro computer controled reversed systems
Noise level
(at cooling)
High dB(A) 37 45
Low dB(A) 31 –
Soft dB(A) 23 –
Fan system
Drive Direct drive
Air flow quantity
(at cooling)
High m3/min. 9.1 26.4
Low m3/min. 7.4 –
Soft m3/min. 4.7 –
Fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 3/8", 1/4"
Drain piping mm O.D φ16
Others
Safety device Compressor: Thermal protector
Fan motors: Thermal fuse
Fuse, Micro computer control
Air filters Polypropylene net (Washable)
Net dimensions Width mm 860 730
Height mm 292 540
Depth mm 205 250
Net weight kg 8.5 30

AYXP9LSR
1 – 2
2. AY-XP12LSR – AE-X12LSR
NOTE: The conditions of star ”I” marked item are “ISO5151:1994(E)”, condition T1’.
MODEL INDOOR UNIT OUTDOOR UNIT
ITEMS AY-XP12LSR AE-X12LSR
Rated cooling capacity (Min– Max.) kW 3.5 (0.9 - 3.8)
Rated heating capacity (Min–Max.) kW 4.0 (0.9 - 4.7)
Moisture removal (at cooling) Liters/h 1.2
Electrical data
Phase Single
Rated frequency Hz 50
Rated voltage V 220-240
Rated current I
(Min - Max.)
Cool A 5.0 (1.3 - 6.0 )
Heat A 5.0(1.2 - 7.1 )
Rated input I
(Min - Max.)
Cool W 1080 (240- 1250)
Heat W 1075 (220 - 1470)
Power factor ICool % 94
Heat % 93
Compressor Type Hermetically sealed rotary type
Model 43A23YBM&FJKE
Oil charge 370cc (Zegles RB68EP)
Refrigerant system Evaporator Louver Fin and Grooved tube type
Condenser Corrugate Fin and Grooved tube type
Control Capillary tube
Refrigerant (R410A) 970g
De-lce system Micro computer controled reversed systems
Noise level
(at cooling)
High dB(A) 40 48
Low dB(A) 33 –
Soft dB(A) 23 –
Fan system
Drive Direct drive
Air flow quantity
(at cooling)
High m3/min. 11.2 33.4
Low m3/min. 8.7 –
Soft m3/min. 5.5 –
Fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 1/2", 1/4"
Drain piping mm O.D φ16
Others
Safety device Compressor: Thermal protector
Fan motors: Thermal fuse
Fuse, Micro computer control
Air filters Polypropylene net (Washable)
Net dimensions Width mm 860 730
Height mm 292 540
Depth mm 205 250
Net weight kg 9 32

AYXP9LSR
1 – 3
[2] EXTERNAL DIMENSION
1. Indoor unit
Length unit [mm]
2. Outdoor unit
Length unit [mm]
Remote controller

292
205
57
17.5
140
250
165
167.5
136
81
730
72
540
299 324
515
12
37.5
4.5
58
135
14

AYXP9LSR
1 – 4
[3] WIRING DIAGRM
1. Indoor unit
2. Outdoor unit

AYXP9LSR
1 – 5
[4] ELECTRICAL PARTS
1. Indoor unit
2. Outdoor Unit
DESCRIPTION MODEL REMARKS
Indoor fan motor MLA521 AC Motor
Indoor fan motor capacitor DS401155BLSA RC-HZA512JBZZ (400V-1.5μF)
Transformer VRK4119–290mA RTRNPA030JBZZ
Fu1 – QFS-IA001KKZZ (250V, 2.5A)
DESCRIPTION MODEL REMARKS
Compressor 43A23YBM&FJKE D.C. brush-less motor
Outdoor fan motor MLB452 AC Motor(AE-X12LSR)
Outdoor fan motor MLB453 AC Motor(AE-X9LSR)
Outdoor fan motor capacitor DS441155XLTD 440V, 1.5μF (AE-X9LSR) on PWB
DS441205XLTC 440V, 2.0μF (AE-X12LSR) on PWB
Fu3 – QFS-GA063JBZZ (250V, 2A)
Fu2 – QFS-GA062JBZZ (250V, 3.15A)
Fu1 – QFS-GA065JBZZ (250V, 20A)
Fu5 – QFS-GA066JBZZ (250V, 15A)

AYXP9LSR
2 – 1
AYXP9LSR Service Manual
CHAPTER 2. EXPLAMATION OF CIRCUIT AND OPERATION
[1] BLOCK DIAGRAMS
1. Indoor unit
AC power
12V DC regulation
CPU
2.5A
Fuse
5VDC regulation
Fan motor phase control circuit
Rotation pulse input circuit
AC clock circuit
Remote controller signal reception circuit
Buzzer drive circuit
CPU reset circuit
CPU oscillator circuit
Room temp. detect circuit
Heat exchanger pipe thermo circuit
EEPROM
Select circuit
Serial I/O circuit
Auto restart circuit
Test run circuit
Auxiliary mode
Power on circuit
Cluster generator drive circuit
Indoor fan motor
Fan motor pulse detect
Wireless remote control operation
Audible operation confirmation
Room temp. thermistor
Heat exchanger pipe thermistor
Louvre angle, fan speed
Wireless, preheat, Model select
Indoor/outdoor control signal I/O
Test run (forced operation)
Auxiliary mode button ON/OFF
Self diagnostics, fault diagnosis
Cluster generator
Unit-unit wiring
(AC power and
serial signals)

AYXP9LSR
2 – 2
2. Outdoor unit
CPU
20A
protection
Fuse detector cirunit Terminal board temp.fuse
IPM heat sink temp.fuse
15A
protection
Power supply circuit
CPU oscillator circuit
DC overvoltage detection circuit
Outdoor fan drive circuit
4-way valve relay drive circuit
Power transistor module drive circuit
Serial I/O circuit
CPU reset circuit
AC overcurrent detection circuit
Compressor thermo circuit
Heat exchanger pipe thermo circuit
Outdoor temp. thermo. circuit
EEPROM
LED drive circuit
Test mode circuit
Filter
circuit
Smoothing
circuit
Pulse amplitube modulation circuit
AC clock circuit
DC overcurrent detection circuit
IGBT
Unit-unit wiring (AC power
and serial signals)
Rectification
circuit
FAN Control
3.15A
protection
Outdoor fan
4-way valve
Power transistor module
Compressor
Current transformer
Compressor thermistor
Heat exchanger pipe thermistor
Outdoor temperature thermistor
LED

AYXP9LSR
2 – 3
[2] MICROCOMPUTER CONTROL SYSTEM
1. Indoor unit
1.1. Electronic control circuit diagram
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㧺㧯
㧺㧯
㧵㧯㧞 㧵㧯㧟
㧷㧵㧭㧣㧤 㧜㧡㧭㧼㧵
㧯㧺㧝㧜
㧝㧞㨂
㧞㧡㨂㧠㧣Ǵ
㧯㧢
㧗
㧡㨂
㧽㧡
㧷㧾㧯㧝㧜㧢
㧷㧾㧯㧝㧜㧢
㧷㧾㧯㧝㧜㧢
㧷㧾㧭㧝㧜㧢
㧡㧜㨂
㧯㧥
㧴㧭㧶㧼
㧿㧭㧺
㧺㧯 㧼㧝㧠㧝
㧮㨁㨆
㧵㧯㧝
Ǵ㧼㧰㧣㧤㧲㧜㧡㧟㧠
㧞㧡㧜㨂
㧲㨁㧝
㧝㧢㧹㧴㨦
㧯㧣
㧞㧣㧡㨂
㧜㧚㧝Ǵ
㧺㧾㧝
㧝㧛㧠㨃
㧞㧝
㧯㧺㧣
㧯㧺㧞
㧾㧟㧜
㧠㧜㧜㨂
㧝㧚㧡Ǵ
㧺㧯 㧺㧯
㧺㧯 㧺㧯 㧺㧯 㧺㧯
㧝㧷 㧣㧡㧜 㧞㧞㧜
㧣㧡㧜
㧲㨁㧿㧱
㧝㧜㧞
㨀㧱㧾㧹㧵㧺㧭㧸
㧾㧱㧰
㧡㧜㨂
㧝㧜㧷
㧾㧞㧝 㧡㧜㨂
㧯㧝㧠
㧝㧜㧜㧜㨜
㧝㧜㧷
㧾㧝㧤
㧶㧼㧯㧞
㧝㧞㨂
㧾㧟㧥
㧝㧛㧠㨃
㧯㧝㧞
㧝㧜㧜㧜㨜
㧡㧜㨂
㧝㧜㧚㧜㧷㧲
㧾㧡
㧾㧡㧝 㧝㧷
㧝㧡㧷ǡ㧔㧞㧡㧕 㧼㧵㧼㧱˴㨀㧱㧹㧼㧚 㨀㧴㧞
㧯㧺㧝㧝
㧝㧞
㧲㨁㧿㧱
㧝㧜㧞
㧸 㧺
㨅㧱㧸㧸㧻㨃
㧳㧾㧱㧱㧺㧛
㧸㧝
㧜㧚㧜㧝Ǵ 㧞㧣㧡㨂
㧯㧞㧠
㧺㧯
㧶㧼㧞
㧝㧞㨂
㧝㧛㧞㨃
㧠㧣㧜
㧿㧿㧾㧞
㧝㧞㧜㧷 㧝㨃
㧾㧟㧠
㧶㧼㧯㧝

AYXP9LSR
2 – 4
1.2. Printed wiring board
Plasumacluster Generator
Fan Motor
Louver Motor
Thermistor
Terminal board 4P
Terminal board "2"
Terminal board "N"
Terminal board "1"
Terminal board 3P