Sharp AY-XP24PU Service Manual
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Sharp AY-XP24PU Service Manual

Split type air conditioner
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See also: Operating Manual
TopPage
CHAPTER 1. PRODUCT SPECIFICATIONS
[1]
SPECIFICATION.................................... . ....... 1-1
[2]
EXTERNAL DIMENTIONS..................... . ....... 1-2
[3]
ELECTRICAL PARTS ............................ . ....... 1-3
[4]
WIRING DIAGRAMS.............................. . ....... 1-3
CHAPTER 2. EXPLANATION OF CIRCUIT AND
OPERATION
[1]
BLOCK DIAGRAMS............................... . ....... 2-1
[2]
[3]
FUNCTION............................................. . ....... 2-3
[4]
OPERATION MANUAL .......................... . ....... 2-6
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.

SERVICE MANUAL

SPLIT TYPE AIR CONDITIONER
(INDOOR UNIT)
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.
CONTENTS
CHAPTER 3. TROUBLE SHOOTING GUIDE
[1]
SELF-DIAGNOSIS FUNCTION.....................3-1
[2]
ACTERISTICS...............................................3-8
[3]
[4]
CHAPTER 4. DISASSEM
[1]
[2]
[1]
Parts Guide
SA209AYXPC5PU/T
AY-XPC15PU
AY-XPC18PU
AY-XP24PU
.................................
...............................................4-1
..............................5-4
.............................................5-1
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
AY-XPC15PU
3-8
....
3-9

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Summary of Contents for Sharp AY-XP24PU

  • Page 1: Table Of Contents

    (INDOOR UNIT) AY-XPC15PU MODEL AY-XPC18PU AY-XP24PU 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. CONTENTS CHAPTER 1. PRODUCT SPECIFICATIONS CHAPTER 3.

  • Page 2: Specification

    AY-XPC15PU CHAPTER 1. AHXPC12LV SPECIFICATION Service Manual [1] SPECIFICATION ITEMS INDOOR MODEL AY-XPC15PU AY-XPC18PU AY-XP24PU Electrical data Single Single Phase Single Rated frequency 208/230 208/230 208/230 208/230 Reted voltage Evaporator Louver fin and Grooved tube type Louver fin and Grooved tube type Louver fin and Grooved tube type...

  • Page 3: External Dimentions

    AY-XPC15PU [2] EXTERNAL DIMENSION Indoor unit Length unit : inch (mm) 38.0 (965) 9.8 (250) 2.2 (57) 0.7 (18) Remote controller [3] ELECTRICAL PARTS Fan motor SHA-37CVJ-F440-1 DC motor (CMOT-A561JBKZ) Louver motor 24BYJ48-1373 DC12V (RMOT-A223JBZZ) [4] WIRING DIAGRM MAIN CONTROL BOARD UNIT DISPLAY BOARD UNIT 1 –...
  • Page 4 AY-XPC15PU [3] ELECTRICAL PARTS Fan motor SHA-37CVJ-F440-1 DC motor (CMOT-A561JBKZ) Louver motor 24BYJ48-1373 DC12V (RMOT-A223JBZZ) [4] WIRING DIAGRM MAIN CONTROL BOARD UNIT DISPLAY BOARD UNIT THERMISTOR ORANGE (PIPE TEMP.) THERMISTOR YELLOW (ROOM TEMP.) THERMISTOR BLACK (VALVE TEMP.) CE002 1 – 3...

  • Page 5: Block Diagrams

    AY-XPC15PU AHXPC12LV CHAPTER 2. EXPLAMATION OF CIRCUIT AND OPERATION [1] BLOCK DIAGRAMS 2 – 1...

  • Page 6: Microcomputer Control System

    AY-XPC15PU [2] MICROCOMPUTER CONTROL SYSTEM 1. Electronic control circuit diagram 2 – 2...

  • Page 7: Function

    AY-XPC15PU 2. Printed wiring board [3] FUNCTION 1. Restart control 3. ON timer Once the compressor stops operating, it will not restart for 180 sec- The ON timer can be activated by pressing the ON timer button. When onds to protect the compressor. the ON timer is activated, the operation start time is adjusted based on fuzzy logic calculations 1 hour before the set time so that the room Therefore, if the operating compressor is shut down from the remote...
  • Page 8 AY-XPC15PU 5. Power ON start 8.2. HORIZONTAL AIR FLOW DIRECTION Hold the horizontal airflow louver link and adjust the air flow direction. If the connecting wire “POWER ON” (POJP) is put on the PWB assem- bly, when the power is supplied by turning on a circuit breaker, the air 9.
  • Page 9 AY-XPC15PU 12. Self Clean operation 15. Explanation of cluster circuit The cluster unit generates cluster ions, which are circulated through- Heating or Fan operation and Cluster operation are performed simulta- neously. out the room by the air flow created by the blower fan (indoor unit fan motor) in the air conditioner unit.

  • Page 10: Operation Manual

    AY-XPC15PU [2] Operation Manual ADJUSTING THE AIR FLOW BASIC OPERATION DIRECTION VERTICAL AIR FLOW DIRECTION Press the HEAT, COOL , AUTO or DRY button . Press the SWING button ( ‡ 7Ke vertical louver will swing. : HEAT : COOL Press the SWING button ( ) again : AUTO...
  • Page 11 FULL POWER mode, press COANDA AIR- will be disabled during this operation. FLOW button during FULL POWER operation. ‡ Plasmacluster is Sharp’s original technology. For more information, please visit: ‡ Effectiveness of this function may differ de- ‡ The COANDA AIRFLOW setting and the...
  • Page 12 AY-XPC15PU 1 . 2 . 3 . 5h OFF TIMER FULL POWER OPERATION SILENT OPERATION When the 1 . 2 . 3 . 5h OFF TIMER is set, the The air conditioner works at the maximum The unit will operate at “Extra LOW” fan speed for comfort and in need of quieter power to makes the room cool or warm unit will automatically turn off after the set-...
  • Page 13 AY-XPC15PU TIMER OPERATION TIMER OFF TIMER ON Press the TIMER OFF button. Press the TIMER ON button. ‡ The TIMER OFF indicator will blink. ‡ The TIMER ON indicator will blink. Press the TIME ADVANCE or RE- Press the TIME ADVANCE or RE- VERSE button to set the desired VERSE button to set the desired time.
  • Page 14 AY-XPC15PU SELF CLEAN OPERATION DISPLAY BUTTON Press the DISPLAY button when the lamps SELF CLEAN operation will reduce the growth of mold fungus with Plasmacluster on the unit are too bright. (The green OP- ions and dry inside of the unit. Utilize the ERATION lamp and the orange TIMER lamp cannot be turned off.) operation at seasonal change over terms...

  • Page 15: Self-Diagnosis Function

    AY-XPC15PU AHXPC12LV CHAPTER 3. TROUBLESHOOTING GUIDE [1] SELF-DIAGNOSIS FUNCTION 1.DESCREPTION OF SELF-DIAGNOSIS FUNCTION ‡ To display the self-diagnosis, hold down the AUX button for over 5 seconds on the indoor unit when the indoor unit is not operating. ‡ The operation lamp (green), timer lamp (orange) and Plasmacluster lamp (blue) flash to indicate the information of malfunction. ‡...
  • Page 16 AY-XPC15PU &+$57 )25 5($',1* 6(/)',$*126,6 5(68/7 ,1'225 81,7! VHFRQG 21  VHFRQG 2)) MDOfXQFWLRQ ,QGRRU XQLW &RQWHQW RI GLDJQRVLV &KHFN SRLQW $FWLRQ 2XWGRRU 1R 3UREOHP XQLW V\PSWRP LQGLFDWLRQ /(' /DPS 0DLQ 6XE 0DLQ Indoor and 2-time Cycle Compressor high 1) Check the outdoor unit 1) Ensure unobstructed O O O O O Timer (Orange) outdoor units...
  • Page 17 AY-XPC15PU Malfunction Indoor unit Content of diagnosis Check point Action Outdoor No.* Problem unit symptom indication (LED1) Lamp Main Sub Main Indoor and 6-time O O O O O Timer (Orange) Outdoor unit DC over current Go to “DC Over Current Error (6-0 error)”. outdoor DC Current error...
  • Page 18 AY-XPC15PU Malfunction Indoor unit Content of diagnosis Check point Action Outdoor No.* Problem unit symptom indication (LED1) Lamp Main Sub Main Indoor and 10-time O O O O O Timer (Orange) EEPROM EEPROM (outdoor) Replace the outdoor outdoor error data error unit control PWB Operation (Green) units do not...
  • Page 19 AY-XPC15PU Malfunction Indoor unit Content of diagnosis Check point Action Outdoor No.* Problem unit symptom indication (LED1) Lamp Main Sub Main Indoor and 14-time O O O O O Timer (Orange) Outdor unit PAM over voltage 1) Check the AC power 1) Correct the installa- outdoor error...
  • Page 20 AY-XPC15PU Problem Outdoor Indoor unit Malfunc- Content of diagnosis Check point Action symptom unit indi- tion No. cation Lamp Main Sub Main (LED1) { { { { { Timer (Orange) Indoor and Normal Indoor unit Indoor unit room (1) Check connector of (1) Replace the ther- outdoor blinking...
  • Page 21 AY-XPC15PU 3 – 7...

  • Page 22: Thermistor Temperature Characteristics

    [3] AIR CONDITIONER OPERATION IN THERMISTOR ERROR * These models have following thermistors. INDOOR UNIT AY-XPC15PU, AY-XPC18PU, AY-XP24PU TH1, TH2, TH3 The errors for the thermistors that are not mentioned above are irrelevant. These indoor units don’t have power relay.

  • Page 23: General Troubleshooting Chart

    AY-XPC15PU [4] GENERAL TROUBLESHOOTING CHART * These models have following thermistors. INDOOR UNIT AY-XPC15PU, AY-XPC18PU, AY-XP24PU TH1, TH2, TH3 The errors for the thermistors that are not mentioned above are irrelevant. These indoor units don’t have power relay. 1. Indoor unit does not turn on...

  • Page 24: Indoor Unit

    AY-XPC15PU AHXPC12LV CHAPTER 4. DISASSEMBLY PROCEDURE Be sure to disconnect the power cord from the AC power outlet before starting the disassembly procedure. Be sure to install screws to their original positions after repairing After the air conditioner is repaired or parts are replaced, measure insulation resistance of the equipment using an insulation resistance meter. If the measured resistance is lower than 1 MΩ...
  • Page 25 AY-XPC15PU 9 . Unscrew the screw fixing the front panel R and remove it. 13.Release the 2 hooks of the control box side cover and remove it. Control box side cover Front panel R Front panel R Remove the front panel R with pushing the 2 hooks.
  • Page 26 AY-XPC15PU 1 .Remove the control box b releasing the upper hook and pulling 22. ake out the motor and cross flow fan. out. otor and cross flow fan 23.Unscrew the screw of the cross flow fan and remove it. 1 .Unscrew the 2 screws fixing drain pan and remove it. 1 .Unscrew the 2 screws and remove the motor bracket.

  • Page 27: Plasmacluster Unit

    AY-XPC15PU [2] PLASMACLUSTER UNIT pen the open panel. 5. Remove the 2 screw covers. nsert a flat t pe screw driver to hole of screw cover. pen panel 2. Remove the vertical louvre. . Unscrew 2 screws. ertical louvre lide Plasmacluster cover to the back. 3.

  • Page 28: Chapter 5. Installation Instruction

    AY-XPC15PU AHXPC12LV CHAPTER 5. INSTALLATION INSTRUCTION [1].SAFETY PRECAUTIONS ‡ Installation must be made in accordance with the installation ‡ Tighten the nut with a torque wrench according to the manual by service personnel. method. a long time and cause refrigerant gas leakage. ‡...
  • Page 29 (7) Open the Open Panel. (8) Connect the Connecting Cable to Terminal Board. (Fig.1) Cable Clump (9) Fix the Cacle cover with the screw. (AY-XPC15PU, AY-XPC18PU, AY-XP24PU) (10) Tighten the Connection Holder to Wire Conduit. Connecting Cable (11) Close the Open Panel. Cautions: Power supply ‡...
  • Page 30 Piping route Taping (1) Pass the pipes and the drain hose through the piping hole. zone without leaving any sharp edge. (2) Hook the unit onto the mounting plate. Hook (3) Pull the connecting cable into the indoor unit. MOUNTING PLATE...
  • Page 31 5 seconds until a beep sound is heard and an operation (3) Make sure the system runs well. To stop the operation, press the AUX button again. (AY-XPC15PU, AYXPC18PU, AY-XP24PU) (AY-XPC07PU, AYXPC09PU, AY-XPC12PU) ITEMS TO CHECK Is the earth wire connected properly arranged?

  • Page 32: Indoor Unit

    INDOOR UNIT PARTS ACCESSORY PARTS INDOOR PACKING PARTS *Parts of AY-XPC18PU and AY-XP24PU are still under revision, may change for reliability improvement. New edition of this manual will be issued after revision is completed. HOW TO ORDER REPLACEMEN T PARTS To have your order filled promptly and correctly, please furnish the following information.
  • Page 33 AY-XPC15PU [1] INDOOR UNIT PARTS...
  • Page 34 FLARE NUT ASS'Y LHLD-B207JBFZ THERMISTOR HOLDER PSEN-A080JBKZ FLARE NUT ASS'Y CONTROL BOX DBOX-A136JBKZ CONTROL BOX ASS'Y(AY-XPC15PU) DBOX-A137JBKZ CONTROL BOX ASS'Y(AY-XPC18PU) DBOX-A149JBKZ CONTROL BOX ASS'Y(AY-XP24PU) 4-1-1 DSGY-F028JBKZ CONTROL BOARD UNIT(AY-XPC15PU) 4-1-1 DSGY-F032JBKZ CONTROL BOARD UNIT(AY-XPC18PU) 4-1-1 DSGY-F121JBKZ CONTROL BOARD UNIT(AY-XP24PU) 4-1-2...
  • Page 35 [3] INDOOR PACKING PARTS PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] INDOOR UNIT PACKING PARTS SPADBA579JBEZ PACKING PAD L SPADBA580JBEZ PACKING PAD R SPAKCE212JBEZ PACKING CASE TLABMB224JBRZ PRODUCT LABEL(AY-XPC15PU) TLABMB225JBRZ PRODUCT LABEL(AY-XPC18PU) TLABMB301JBRZ PRODUCT LABEL(AY-XP24PU) TLAB-F722JBRZ NO CLAMP LABEL...

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