Download Print this page

Sharp AH-AP18CE Service Manual

Hide thumbs

Advertisement

Table of Contents
Specifications ............................................................................................................................................. 2
External Dimensions ............................................................................................................................... 4
Wiring Diagrams ......................................................................................................................................... 5
Electrical Parts ....................................................................................................................................... 9
Microcomputer Control System .....................................................................................................11
Functions ................................................................................................................................................... 19
Troubleshooting Guide Of Control Circuit ................................................................................ 27
Refrigeration Cycle .............................................................................................................................. 32
Performance Curves ............................................................................................................................34
Refrigerant Pipe Installation Works ............................................................................................. 35
Disassembling Procedure ................................................................................................................... 37
Replacement Parts List ........................................................................................................................46
SERVICE MANUAL
ROOM AIR CONDITIONERS
AH-AP18CE AY-AP18CE
AH-AP24CE AY-AP24CE
MODELS
AU-A18CE AE-A18CE
AU-A24CE AE-A24CE
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
SPLIT SYSTEM
AY-AP18CE AY-AP24CE
AH-AP18CE AH-AP24CE
AE-A18CE
AE-A24CE
AU-A18CE
AU-A24CE
S7222AYAP24CE
Page

Advertisement

Table of Contents
loading

  Also See for Sharp AH-AP18CE

  Related Manuals for Sharp AH-AP18CE

  Summary of Contents for Sharp AH-AP18CE

  • Page 1 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE SERVICE MANUAL S7222AYAP24CE SPLIT SYSTEM ROOM AIR CONDITIONERS INDOOR UNIT AH-AP18CE AY-AP18CE AH-AP24CE AY-AP24CE MODELS OUTDOOR UNIT AU-A18CE AE-A18CE AU-A24CE AE-A24CE 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: Specifications

    AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE SPECIFICATIONS ITEMS INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT AY-AP18CE AE-A18CE AY-AP24CE AE-A24CE Cooling capacity Heating capacity Moisture removal Liters/h Electrical data Phase – Single Rated frequency Rated voltage 220 – 240 Rated current Cool 9.3 –...
  • Page 3 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE ITEMS INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT AH-AP18CE AU-A18CE AH-AP24CE AU-A24CE Cooling capacity Moisture removal Liters/h Electrical data Phase – Single Rated frequency Rated voltage 220 – 240 Rated current 9.3 –...
  • Page 4: External Dimensions

    AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE EXTERNAL DIMENSIONS 1040 18.5 Power supply cord (AY-AP18CE, AH-AP18CE only) INVERTER AIR CONDITIONER MODE TEMP. TIMER TEMP. SAVE MODE [Length unit : mm] FULL POWER SWING CANCEL Remote controller Figure E-1. INDOOR UNIT 46.3...
  • Page 5: Wiring Diagrams

    AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE WIRING DIAGRAMS Figure W-1. Wiring Diagram for AY-AP18CE Figure W-2. Wiring Diagram for AE-A18CE...
  • Page 6 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Figure W-3. Wiring Diagram for AY-AP24CE Figure W-4. Wiring Diagram for AE-A24CE...
  • Page 7 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Figure W-5. Wiring Diagram for AH-AP18CE Figure W-6. Wiring Diagram for AU-A18CE...
  • Page 8 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Figure W-7. Wiring Diagram for AH-A24CE Figure W-8. Wiring Diagram for AU-A24CE...
  • Page 9: Electrical Parts

    AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE ELECTRICAL PARTS Part Part Name Items Specifications AY-AP18CE AY-AP24CE Terminal Board Rating 300V 25A Fan motor Rating 400V 2µF Capacitor Relay-1 Rating AC250V 20A – (RY1) Coil Volt.; 12V Relay-2 Rating AC250V 3A (RY2, RY3, RY4) Coil Volt.;...
  • Page 10 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Part Part Name Items Specifications AH-AP18CE AH-AP24CE Terminal Board Rating 300V 25A Fan motor Rating 400V 2µF Capacitor Relay-1 Rating AC250V 20A – (RY1) Coil Volt.; 12V Relay-2 Rating – AC250V 5A (RY4) Coil Volt.;...
  • Page 11: Microcomputer Control System

    AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE MICROCOMPUTER CONTROL SYSTEM...
  • Page 12 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE...
  • Page 13 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE...
  • Page 14 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE...
  • Page 15 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE TO TERMINAL BOARD TO TERMINAL BOARD BOTTOM“N” TOP“N” FROM TERMINAL BOARD BOTTOM “1”“BROWN” FROM CLEANING SWITCH 2 TO TERMINAL BOARD TOP “3” TO TERMINAL BOARD TOP “2” FROM CLUSTER GENERATOR FROM FAN MOTOR...
  • Page 16 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE TO TERMINAL BOARD TO TERMINAL BOARD BOTTOM“N” TOP“N” TO TERMINAL BOARD BOTTOM “1” FROM CLEANING SWITCH 2 TO TERMINAL BOARD TOP “4” TO TERMINAL BOARD TOP “3” TO TERMINAL BOARD TOP “2” FROM CLUSTER GENERATOR FROM...
  • Page 17 CLUSTER GENERATOR FROM FAN MOTOR FB441 FB441 FB441 FB441 TO TERMINAL BOARD TOP“N” BCN101(BCN201) FROM TERMINAL BOARD TOP“1”“BLACK” FROM FAN MOTOR FROM THERMISTOR FROM CLUSTER GENERATOR FROM CLEANING SWITCH 1 FROM LOUVER MOTOR Figure L-7. Printed Wiring Diagram for AH-AP18CE...
  • Page 18 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE TO TERMINAL BOARD TO TERMINAL BOARD BOTTOM“N” TOP“N” TO TERMINAL BOARD BOTTOM “1” FROM CLEANING SWITCH 2 TO TERMINAL BOARD TOP “2” FROM CLUSTER GENERATOR FROM FAN MOTOR FB441 FB441 FB441 FB441 TO TERMINAL BOARD TOP“N”...
  • Page 19: Functions

    AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE FUNCTIONS HEAT operation AH-AP18CE/AP24CE are noty provided with the In the “HEAT” mode, the thermostat circuit is heating function controlled by six thermostat lines (H01 thru H4). Temperature control characteristic 37.0 COOL operation 36.0 In the “COOL”...
  • Page 20 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE DRY operation Table Y-1 On the switch on, the compressor always starts to Compressor Fan speed operate for 2 minutes with fan speed "DL" . The microcomputer reads the room temperature 2 Cooling zone "DH"...
  • Page 21 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Hot-Keep Overheating protection system This function automatically controls the on-off When overloading occurs during the heating operation, operation of the indoor fan motor in accordance this system controls the outdoor fan motor according to...
  • Page 22 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Current control Defrost start 60sec. 60sec. This system, in order to prevent overcurrent Compressor during heating operation, controls the outdoor fan motor and changes the indoor fan motor speed by MAX. 7min. detecting total current. When the current exceeds Reverse Valve P2, the outdoor fan motor is automatically turned...
  • Page 23 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Automatic air conditioning Outputs in each operation mode automatic air conditioning is selected, the operation mode and preset temperature are set Table Y-5 automatically according to the room temperature on starting operation.
  • Page 24 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE...
  • Page 25 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE...
  • Page 26 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Diagnosis procedure When indoor fan motor is out of order or compressor lock occurs, the compressor, indoor fan motor, outdoor fan motor, and louver are all stopped and the operation LED(red) turns on or off synchronously with the timimg of the timer LED.
  • Page 27: Troubleshooting Guide Of Control Circuit

    AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE TROUBLESHOOTING GUIDE OF CONTROL CIRCUIT The machine does not function at all with remote controller and switch on the indoor unit. Check the cleaning switch 2(1),CN9 CN8, and lead wires. Replace the cleaning switch 2(1).
  • Page 28 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE The machine does not function with remote controller Push button "O/I" on the wireless remote controller. Is transmitting Are batteries of the indicator of the remote wireless remote controller controller active ? proper ? Replace the batteries with new ones.
  • Page 29 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE For AY-AP18CE/AE-A18CE, AH-AP18CE/AU-A18CE The room is not cooled at all or not cooled. The compressor does not operate. Fig. 1 Temperature properties of indoor thermistors Room temperature Heat exchange thermistor TH1 thermistor TH2...
  • Page 30 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE For AY-AP24CE/AE-A24CE, AH-AP24CE/AU-A24CE The room is not cooled at all or not cooled. The compressor does not operate. Push the button "AUX." on the indoor unit, for more than 5 sec. Using a tester, measure voltage at the terminals on the terminal board.
  • Page 31 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE For AY-AP24CE/AE-A24CE, AY-AP18CE/AE-A18CE The room is not heated at all or not heated. The compressor does not operate. Select HEAT MODE with remote controller. And then start operation. Push the button of "AUX" on the indoor unit, for more than 5 sec.
  • Page 32: Refrigeration Cycle

    Evaporator Flare coupling Flare coupling 3-way 2-way valve valve Outdoor unit Capillary tube Compressor Condenser Accumulator Figure R-1. Refrigeration Cycle for AH-AP18CE/AH-AP24CE Indoor unit Indoor unit Evaporator Evaporator Flare coupling Flare coupling Flare coupling Flare coupling 3-way 2-way 3-way 2-way...
  • Page 33 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Cycle temperature and service port pressure Based on 'ISO 5151:1994(E),condition T1' (at 220V refrigerant pipes length 7.5m) Model AY-AP18CE AY-AP24CE Cooling Heating Cooling Heating NO. Condition 94˚C 77˚C 89˚C 88˚C 41˚C 2˚C 42˚C...
  • Page 34: Performance Curves

    AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE PERFORMANCE CURVES Indoor air temp. : 27˚C Indoor humidity : 47RH% Indoor air temp. : 20˚C Indoor fan speed : Hi Indoor fan speed : Hi 20400 23800 22100 18700 20400 17000 18700 17000 15300 15300...
  • Page 35: Refrigerant Pipe Installation Works

    AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Indoor air temp. : 27˚C Indoor humidity : 47RH% Indoor air temp. : 20˚C Indoor fan speed : Hi Indoor fan speed : Hi 25500 30600 28900 23800 27200 22100 25500 23800...
  • Page 36 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 Outside air temp.(˚C) Outside air temp.(˚C) Figure P-5. At Cooling for AH-AP18CE Figure P-6. At Cooling for AH-AP24CE REFRIGERANT PIPE INSTALLATION WORKS Refrigerant pipe length and level difference between the indoor and outdoor units.
  • Page 37: Disassembling Procedure

    AE-A24CE AU-A18CE AU-A24CE DISASSEMBLING PROCEDURE FOR INDOOR UNIT MODEL(AH-AP18CE/AP24CE,AY-AP18CE/AP24CE) CAUTION:DISCONNECT THE UNIT FROM THE POWER SUPPLY BEFORE ANY SERVICING Open the Opne panel, remove 2 Air Filters. Remove 6 screws fixing the Front panel. Open the Louver frame.unlook the hooks,and pull Remove the screw fixing the Cord holder.
  • Page 38 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Close the Open panel. pushing the nail of the Remove a screw fixing the Control box cover. Front panel, and lift the Front panel up. Cut the fixing band and Remove the Cover B. Remove the unit-to-unit wiring from the Terminal board.
  • Page 39 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Remove the Thermistor of the Evaporator. Cut the fixing band and Remove the Holder. Remove 2 screws fixing the Control box and Remove Connectors. remove it.
  • Page 40 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Remove the Evaporator from the Cabinet. Remove a screw fixing the drain pan and pull Drain pan toward you. Remove 4 screws fixing the Side cover R, and pull up the Cross flow fan. Remove the Drain cover from the Evaporator.
  • Page 41 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE The Electric Control box. Remove a screw fixing the Cord holder and 2 screws fixing the Terminal board. Remove the screw fixing the Receiving filter. Remove 2 screws fixing the Transformer and pull Remove the 2 Switch and Photo detector unit.
  • Page 42 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE The LOUVER FRAME UNIT and related The DRAIN PAN and related Remove the screw fixing the FRAME GUIDE on Remove the screw fixing the Drain pan on both both side and take off the LOUVER UNIT. side.
  • Page 43 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE How to remove the Hi Voltage UNIT. Remove the connector of Louver motor and take off the Wire and Holder. Remove 2 screws fixing Holder. Push the one of the Vertical louver.
  • Page 44: Disassembling Procedure Of The Control Box

    AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE FOR OUTDOOR UNIT MODEL AE-A18CE/AE-A24CE DISASSEMBLING PROCEDURE OF THE CONTROL BOX Loose 1 screw fixing the cabinet (rear side). Loose 3 screws fixing the control cover. Loose 1 screw fixing the side cover. Loose 3 screw fixing the cabinet (right side).
  • Page 45 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE Loose 1 screw fixing the rear cabinet (left side). Remove 3 terminals. Loose 3 screws fixing the bulkhead. Cut nylon band. DISASSEMBLING PROCEDURE OF THE FAN Loose the fan nut and fan can take out.
  • Page 46 CKITTA002JBKZ High voltage unit (Plasma cluster unit) 2- 8 LHLD-A537JBFA LED holder 2- 9 LHLD-A542JBFA Holder 2-10 DPWBFA251JBKZ Control board unit [AH-AP18CE] 2-10 DPWBFA250JBKZ Control board unit [AH-AP24CE] 2-10 DPWBFA242JBKZ Control board unit [AY-AP18CE] 2-10 DPWBFA249JBKZ Control board unit [AY-AP24CE]...
  • Page 47 3- 5 PVLV-A223JBEZ Flare union (3/8") 3- 5 PVLV-A238JBEZ Flare union (1/2") [AH-AP24CE, AY-AP24CE] 3- 6 DEVA-A161JBKZ Evaporator sub assembly [AH-AP18CE, AY-AP18CE] 3- 6 DEVA-A165JBKZ Evaporator sub assembly [AH-AP24CE, AY-AP24CE] ACCESSORY PARTS 4- 1 CRMC-A561JBEZ Remote control [AH-AP18CE, AY-AP24CE] 4- 1...
  • Page 48 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE 4-10 4-11 4-12 4-10 1-28 (AY-AP18CE, 1-31 AY-AP24CE only) 1-36 1-42 1-30 1-31 1-31 1-26 1-42 1-31 1-18 1-37 1-38 2-13 2-12 2-17 2-16 1-41 1-29 2-15 2-20 2-10 1-40 2-14 1-39 2-19 2-11 1-33 1-32...
  • Page 49 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE REF. NO. PART NO. DESCRIPTION Q'TY CODE CABINET AND UNIT PARTS 1- 1 LSUB-A024JBPZ Motor angle sub [AU-A18CE] 1- 2 CMOTLB002JBEZ Fan motor [AU-A18CE] 1- 2 CMOTLB015JBEZ Fan motor [AU-A24CE] 1- 3...
  • Page 50 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE REF. NO. PART NO. DESCRIPTION Q'TY CODE 3-13 LX-NZA226JBE0 Valve cap [AU-A18CE] 3-13 LX-NZA260JBEZ Valve cap [AU-A24CE] 3-14 GLEG-A094JBE0 Compressor cushion [AU-A18CE] 3-14 GLEG-A093JBE0 Compressor cushion [AU-A24CE] 3-15 PSEL-A150JBE0 Gasket washer [AU-A24CE] 3-16 MSPRPA018JBE0 Terminal cover holder[AU-A18CE] 3-17...
  • Page 51 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE 2-10 1-18 1-14 1-23 1-20 1-30 1-24 1-22 2-1 6-8 1-17 3-11 AU-A18CE 1-11 3-15 1-19 3-18 1-12 3-13 1-27 3-15 3-18 3-24 3-17 1-18 1-21 3-13 3-14 1-10 1-28 1-16 1-26...
  • Page 52 Compressor cover [AE-A24CE] 1-13 PSEL-C017JBEZ Cabinet seal 1-14 TSPC-E015JBRZ Name label [AE-A18CE] 1-14 TSPC-E020JBRZ Name label [AE-A24CE] 1-15 TLABBA100JBRA SHARP badge 1-16 CCHS-A777JBTA Base pan assembly [AE-A18CE] 1-16 CCHS-A781JBTA Base pan assembly [AE-A24CE] 1-17 PSEL-0625JBE0 Angle seal 1-18 GCAB-A221JBTA Rear cabinet [AE-A18CE]...
  • Page 53 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE REF. NO. PART NO. DESCRIPTION Q'TY CODE 3-11 CCPY-A137JBKZ Capillary tube assembly [AE-A24CE] 3-12 PSEL-B173JBE0 Terminal gasket [AE-A18CE] 3-12 PSEL-B229JBE0 Terminal gasket [AE-A24CE] 3-13 PACU-A012JBE0 Acumulator [AE-A18CE] 3-14 GLEG-A094JBE0 Compressor cushion rubber [AE-A18CE]...
  • Page 54 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE 2-10 1-18 1-14 1-23 1-20 1-30 1-24 1-22 2-1 6-8 1-17 6-10 3-11 AE-A18CE 3-22 3-15 3-22 1-19 3-19 3-18 1-12 3-17 3-20 3-18 3-16 1-27 3-22 3-12 3-12 6-11 3-17 1-11 3-16 3-13 1-21 3-13...
  • Page 55 AY-AP18CE AY-AP24CE AH-AP18CE AH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE...
  • Page 56 AY-AP18CE AY-AP24CE AH-AP18CEAH-AP24CE AE-A18CE AE-A24CE AU-A18CE AU-A24CE '2002 SHARP CORP. (7U0.95E) Printed in the Netherlands...