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SPECIAFICATIONS ............................................................................................................................................................. 2
EXTERNAL DIMENSIONS ................................................................................................................................................... 3
WIRING DIAGRAMS ............................................................................................................................................................ 5
ELECTRICAL PARTS .......................................................................................................................................................... 6
MICROCOMPUTER CONTROL SYSTEM .......................................................................................................................... 7
PRINTED WIRING BOARD ................................................................................................................................................. 9
FUNCTIONS ...................................................................................................................................................................... 13
TROUBLESHOOTING OF THE CONTROL CIRCUIT ...................................................................................................... 21
REFRIGERATON CYCLE .................................................................................................................................................. 24
PERFORMANCE CURVES ............................................................................................................................................... 26
REFRIGERANT PIPE INSTALLATION WORKS ............................................................................................................... 27
DISASSEMBLING PROCEDURE ...................................................................................................................................... 28
PUMP DOWN ..................................................................................................................................................................... 33
REPLACEMENT PARTS LIST ........................................................................................................................................... 34
SERVICE MANUAL
MULTI SPLIT SYSTEM
ROOM AIR CONDITIONERS
MODEL
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.
TABLE OF CONTENTS
SHARP CORPORATION
1
INDOOR UNIT
AY-M09AE
(2 UNITS)
OUTDOOR UNIT
AE-M18AE
AY-M09AE
AE-M18AE
S2004AYM09AE/
Page
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Summary of Contents for Sharp AY-M09AE
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Page 1: Table Of Contents
AY-M09AE AE-M18AE SERVICE MANUAL S2004AYM09AE/ MULTI SPLIT SYSTEM ROOM AIR CONDITIONERS INDOOR UNIT AY-M09AE MODEL (2 UNITS) OUTDOOR UNIT AE-M18AE 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. -
Page 2: Speciafications
AY-M09AE AE-M18AE SPECIFICATIONS ITEMS INDOOR UNIT OUTDOOR UNIT AY-M09AE AE-M18AE Cooling capacity [1 unit] 2.7 [2 units] 2.5 x 2 Heatpump [1 unit] 3.3 [2 units] 3.2 x 2 Heating capacity Moisture removal Liters/h 1.1 x 2 Electrical data Phase... -
Page 3: External Dimensions
AY-M09AE AE-M18AE EXTERNAL DIMENSIONS 19.5 Length unit (mm) Remote control Figure E-1. INDOOR UNIT Figure E-2. OUTDOOR UNIT... - Page 4 AY-M09AE AE-M18AE PART NAMES INDOOR UNIT 1 Inlet (Air) 2 Open Panel 3 Operation panel 4 Air Filters 5 Indicator Panel 6 Vertical Adjustment Louvres 7 Horizontal Adjustment Louvres 8 Outlet (Air) 9 Remote Control To open the open panel, hold the bot- tom corners of the open panel and gently pull the panel outwards.
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Page 5: Wiring Diagrams
: BLUE : WHITE CONTROL 400V 1µF : BROWN : ORANGE BOARD : GRAY UNIT 2 G(Y) : GREEN YELLOW Figure W-1. Wiring Diagram for AY-M09AE THERMAL TRANFORMER PROTECTOR MOTOR VALVE COIL THERMISTOR THERMISTOR (PIPE TEMP.) (PIPE TEMP.) A1 A2... -
Page 6: Electrical Parts
AY-M09AE AE-M18AE ELECTRICAL PARTS For Model AY-M09AE and AE-M18AE DESCRIPTION MODEL REMARKS SITE Compressor 2PS192D3AA02 220 - 240V, 50Hz, 900W Indoor fan motor ML-A411 220 - 240V, 50Hz Outdoor fan motor ML-A868 220 - 240V, 50Hz Indoor fan motor capacitor 400V, 1µF... -
Page 7: Microcomputer Control System
AY-M09AE AE-M18AE MICROCOMPUTER CONTROL SYSTEM... - Page 8 AY-M09AE AE-M18AE...
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Page 9: Printed Wiring Board
AY-M09AE AE-M18AE Figure L-2. Printed Wiring Board for AY-M09AE... - Page 10 AY-M09AE AE-M18AE FROM THERMISTOR THROUGH CT1 TO COMP. FROM PROTECTOR A1 TERMINAL "S" CNR4 CNR5 JP11 TEST THROUGH CT2 COMP. CONTROL PROTECTOR A2 BOARD 3A 250V (VALVE COIL) FROM FROM FROM FROM FROM FROM TERMINAL VALVE VALVE TRANSFORMER TERMINAL UNIT A1 " N "...
- Page 11 AY-M09AE AE-M18AE Microcomputer (IC1) for INDOOR UNIT The microcomputer is a CMOS, one chip, 8-bit microcomputer. Microcomputer port allocation is as follows. Pin Terminal Input Pin Terminal Input No. Name Output Function No. Name Output Function 33 P56 Serial signal Output –...
- Page 12 AY-M09AE AE-M18AE Microcomputer (IC1) for OUTDOOR UNIT The microcomputer is a CMOS, one chip, 8-bit microcomputer. Microcomputer port allocation is as follows. Pin Terminal Input Pin Terminal Input No. Name Output Function No. Name Output Function Compressor relay (A1) 33 P56 –...
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Page 13: Functions
AY-M09AE AE-M18AE FUNCTIONS 1. Temperature control characteristic HEAT operation COOL operation In the “HEAT” mode, the thermostat circuit In the “COOL” mode, the thermostat circuit is is controlled by six thermostat lines (H01 thru controlled by four thermostat lines (C1 thru C4). - Page 14 AY-M09AE AE-M18AE Table Y-1 DRY operation On the switch on, the compressor always starts to operate for 2 minutes with fan speed “D” Present mode New mode (slower than “UL”). Indoor unit Outdoor Indoor unit Outdoor The microcomputer reads the room temperature...
- Page 15 AY-M09AE AE-M18AE Fan only operation 5. Preheat air flow The indoor fan motor always turns on. This function is intended to prevent cold air from being discharged when the heating operation starts or when 3. Fan speed defrosting. Fan speeds are given by the indoor fan motor, When the indoor pipe temperature is below 29˚C at the...
- Page 16 AY-M09AE AE-M18AE 7. Current control Switch ON Defrost Defrost This system, in order to prevent overcurrent during heating operation, controls the outdoor fan motor and changes the indoor fan motor speed by detecting total Heating Heating Heating current. Min. Max.
- Page 17 AY-M09AE AE-M18AE 13. Automatic air conditioning 15. Outputs in each operation mode When automatic air conditioning is selected, the operation mode and preset temperature are set Table Y-5 automatically according to the room temperature on Outdoor Indoor Valve Mode Compressor starting operation.
- Page 18 AY-M09AE AE-M18AE TROUBLE SHOOTING GUIDE Trouble diagnosis This unit has a fuction to diagnose major troubles by itself. Six kinds of troubles can be detected and informed. Before repair, first call up the trouble information with the self-disgnosis function, and check it.
- Page 19 AY-M09AE AE-M18AE 2. For the other errors which are not displayed by the self-diagnosis, refer to the troubleshooting flow chart in Page 21. Method to repair the control circuit which does not work due to improper wiring between the units Since a part in the control circuit may be broken, replace the following parts.
- Page 20 AY-M09AE AE-M18AE...
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Page 21: Troubleshooting Of The Control Circuit
AY-M09AE AE-M18AE TROUBLESHOOTING GUIDE OF CONTROL CIRCUIT Note : Do not check two indoor units at the same time. Be sure to check them one by one. The machine does not function at all with remote control and switches on the indoor unit. - Page 22 AY-M09AE AE-M18AE The machine does not function with the remote control. Push the "OI" button on the wireless remote control. Is transmitting Are batteries of the indicator of the remote wireless remote control control active ? proper ? Replace the batteries with new ones.
- Page 23 AY-M09AE AE-M18AE The room is not heated at all or not heated. The room is not cooled at all The compressor does not operate. or not cooled. The compressor does not operate. Same as "The room is not cooled Push the "TEST" and "AUX" on at all or not cooled.
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Page 24: Refrigeraton Cycle
Compressor B Strainer Strainer Capillary Capillary tube A tube A Capillary tube B Accumulator Accumulator Capillary Condenser tube B Reverse Strainer Reverse valve valve Strainer Figure R-1. Refrigeration Cycle for AY-M09AE At Cooling At Heating Figure R-2. Flow of Refrigerant... - Page 25 AY-M09AE AE-M18AE Cycle temperature and service port pressure (ISO Cooling and heating condition) Cooling NO. condition 1 unit running 2 units running 88˚C 90˚C 42˚C 47˚C 9˚C 10˚C 13˚C 10˚C 0.47MPa 0.48MPa Service port pressure Gauge pressure Heating NO. condition...
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Page 26: Performance Curves
8500 8500 6800 6800 5100 5100 1300 2300 1000 2000 1700 Outside air temp.(˚C) Outside air temp.(˚C) Cooling capacity per 1 unit Figure P-1. At Cooling for AY-M09AE (1 unit running) Figure P-2. At Cooling for AY-M18AE (2 units running) -
Page 27: Refrigerant Pipe Installation Works
1500 Outside air temp.(˚C) Outside air temp.(˚C) Figure P-3. At Heating for AY-M09AE (1 unit running) Figure P-4. At Heating for AY-M18AE (2 units running) REFRIGERANT PIPE INSTALLATION WORKS Refrigerant pipe length and level difference between the indoor and outdoor units. -
Page 28: Disassembling Procedure
AY-M09AE AE-M18AE DISASSEMBLING PROCEDURE FOR INDOOR UNIT MODEL AY-M09AE CAUTION: TURN THE CIRCUIT BREAKER OFF BEFORE ANY SERVICING 1. Remove the 2 screw covers in the front panel. 4. Loose a cord clamp screw and take it out. 5. Close the open panel softly, and then press " B " and 2. - Page 29 AY-M09AE AE-M18AE 7.Take the thermistor holder off from evaporator. 11.Loosen 4 screws fixing control box and take out control ass'y. 8.Take out the thermistor from evaporator. 12.Loose a screw fixing drain pan ass'y.(Right side) 9.Disconnect fan motor connectors and others.
- Page 30 AY-M09AE AE-M18AE 15.When assembling make sure that O-ring is fit to the 19.Loosen 2 screws fixing evaporator. drain hose. O-ring Drain hose O-ring (Section) 16.Take out the drain pan ass'y. 20.Take out the fan bearing ass'y. 21.Take out the cross flow fan while slightly lifting the 17.Loose a screw fixing cross flow fan to motor.
- Page 31 AY-M09AE AE-M18AE FOR OUTDOOR UNIT MODEL AE-M18AE DISASSEMBLING PROCEDURE OF THE CONTROL BOX 5. Loose 2 screws fixing the cabinet. 1. Loose 2 screws fixing the left side cover. 2. Loose 2 screws fixing the cabinet. 6. Loose a screw fixing the cabinet and remove the cabinet.
- Page 32 AY-M09AE AE-M18AE 9. Cut nylon band. 13.Loose 3 screws fixing the control box. 14.Take out the control box. 10.Remove 4 connectors. 11.Remove the terminal cover of the 2 compressors. DISASSEMBLING PROCEDURE OF THE FAN 1. Loose the fan nut and fan can be taken out.
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Page 33: Pump Down
AY-M09AE AE-M18AE PUMP DOWN Pump down is to collect the refrigerant into the outdoor unit by control of the 2 and 3-way valve and the compressor. This method is adopted in the case of unit removal for re-installation, abandonment, repair etc. Especially, pump down must be performed when abandoning the air conditioner. -
Page 34: Replacement Parts List
AY-M09AE AE-M18AE REPLACEMENT PARTS LIST [AY-M09AE] REF. NO. PART NO. DESCRIPTION Q'TY CODE CABINET AND UNIT PARTS 1- 1 CMOT-A273JBK0 Fan motor sub ass’y 1- 2 NFANCA042JBE0 Cross flow fan 1- 3 CSRA-A488JBKZ Drain pan ass’y 1- 4 MJNTPA040JBFF Louver link... - Page 35 AY-M09AE AE-M18AE REF. NO. PART NO. DESCRIPTION Q'TY CODE 2-30 RTRN-A181JBE0 Current transfomer 2-31 QW-VZC636JBE0 Fan motor lead wire CYCLE PARTS 3- 1 CPIPCA640JBK0 Pipe ass’y 3- 2 PEVA-A399JBE0 Evaporator ACCESSORY PARTS 4- 1 LX-NZ0247JBE0 Special nut 4- 2 XTTSD45P30000...
- Page 36 AY-M09AE AE-M18AE INDOOR UNIT FOR MODEL AY-M09AE 1-30 1-41 1-16 2-12 2-10 1-18 1-17 1-19 2-13 1-35 2-19 2-10 1-33 1-37 2-18 2-11 6-1 2-14 1-14 2-20 2-16 1-15 1-31 1-29 1-36 1-20 2-31 1-28 1-11 1-27 1-12 1-13 1-10...
- Page 37 AY-M09AE AE-M18AE REPLACEMENT PARTS LIST [AE-M18AE] REF. NO. PART NO. DESCRIPTION Q'TY CODE CABINET AND UNIT PARTS 1- 1 LSUB-A010JBP0 Motor stay sub angle 1- 2 CMOTLA868JBEZ Fan motor 1- 3 NFANPA037JBFA Propeller fan 1- 4 LANGKA045JBP0 Motor stay angle...
- Page 38 AY-M09AE AE-M18AE REF. NO. PART NO. DESCRIPTION Q'TY CODE 3-18 PCOV-A002JBE0 Terminal cover 3-19 PPIPCB449JBE0 Check valve 3-20 RHOG-A115JBE0 Protector 3-21 LX-NZA081JBE0 Bonnet 3-22 PGUMSA033JBE0 Damper rubber 3-23 PMUF-A026JBE0 Muffler 3-25 MSPR-A027JBE0 Thermistor spring 3-26 CCIL-A082JBK0 Coil ass’y 3-27 PVLVXA009JBE0...
- Page 39 AY-M09AE AE-M18AE OUTDOOR UNIT FOR MODEL AE-M18AE 1-21 1-22 1-16 1-24 1-23 1-17 2-10 3-30 1-21 1-14 1-17 1-22 1-25 3-30 2-11 3-13 1-26 1-19 2-27 3-25 2-26 1-11 3-25 2-24 1-27 1-18 1-12 3-28 3-20 3-28 3-20 3-15 3-15...
- Page 40 AY-M09AE AE-M18AE '00 SHARP CORP. (2U0.50E) Printed in U..K.