Sharp AY-XPC15TU Service Manual
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Sharp AY-XPC15TU Service Manual

Sharp AY-XPC15TU Service Manual

Split type room air conditioner (indoor unit)
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TopPage
CHAPTER 1. PRODUCT SPECIFICATIONS
[1]
SPECIFICATION.................................... . ....... 1-1
[2]
EXTERNAL DIMENTIONS..................... . ....... 1-2
[3]
ELECTRICAL PARTS ............................ . ....... 1-3
[4]
WIRING DIAGRAMS.............................. . ....... 1-3
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
ROOM 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
S1601AYXPC15TT
SPLIT TYPE
AY-XPC15TU
AY-XPC18TU
AY-XP24TU
.................................
...............................................4-1
..............................4-4
.............................................5-1
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
AY-XPC15TU
3-8
....
3-9

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Summary of Contents for Sharp AY-XPC15TU

  • Page 1: Table Of Contents

    TopPage AY-XPC15TU SERVICE MANUAL S1601AYXPC15TT SPLIT TYPE ROOM AIR CONDITIONER (INDOOR UNIT) AY-XPC15TU MODEL AY-XPC18TU AY-XP24TU 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: Specification

    AY-XPC15TU CHAPTER 1. SPECIFICATION AHXPC12LV Service Manual [1] SPECIFICATION ITEMS INDOOR MODEL AY-XPC15TU AY-XPC18TU AY-XP24TU 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-XPC15TU [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...

  • Page 4: Chapter 2. Explanation Of Circuit And

    AY-XPC15TU CHAPTER 2. EXPLANATION OF CIRCUIT AND OPERATION [1] BLOCK DIAGRAMS Switching transformer Heat exchanger temp. detect circuit Heat exchanger temp. thermistor louver motor driving circuit Horizontal louver Display LED driving circuit Display unit 2 – 1...

  • Page 5: Microcomputer Control System

    AY-XPC15TU [2] MICROCOMPUTER CONTROL SYSTEM 1. Electronic control circuit diagram 2 – 2...

  • Page 6: Function

    AY-XPC15TU 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.

  • Page 7: Automatic Air Conditioning

    AY-XPC15TU 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 8 AY-XPC15TU 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 9: Operation Manual

    AY-XPC15TU [2] Operation Manual BASIC OPERATION Press the COOL, HEAT, AUTO or DRY button. : COOL : HEAT : AUTO : DRY • The green OPERATION lamp ( ) will light up. TO TURN OFF Press the STOP button. • The green OPERATION lamp ( ) will turn off.

  • Page 10: Adjusting The Air Flow Direction

    The mode symbol of the remote control will go off and the fan speed cannot be set to AUTO. • Plasmacluster is Sharp’s original technology. For more information, please visit: http://www.sharp-world.com/pci/en/ 2 – 7...

  • Page 11: Multi Space

    AY-XPC15TU COANDA (GENTLE COOL / HEAT) MULTI SPACE AIRFLOW By using this function, the louver will be The unit will operate to cool or warm multiple rooms in well insulated house by automatically adjusted to deliver comfort- pressing this button.

  • Page 12: Silent Operation

    AY-XPC15TU SILENT OPERATION FULL POWER OPERATION The air conditioner works at the maximum The unit will operate at “Extra LOW” fan power to make the room cool or warm speed for comfort and in need of quieter operation. quickly. During COOL, HEAT, and AUTO During operation, press the FULL POWER button.

  • Page 13: Timer Operation

    AY-XPC15TU 1 . 2 . 3 . 5h OFF TIMER TIMER OPERATION When the 1 . 2 . 3 . 5h OFF TIMER is set, the TIMER OFF unit will automatically turn off after the set- Press the TIMER OFF button.
  • Page 14 AY-XPC15TU TIMER ON TO CANCEL Press the SET/C button. Press the TIMER ON button. • The orange TIMER lamp ( ) will turn off. • The TIMER ON indicator ( ) will blink. • The current time will be displayed on the re- Press the TIME ADVANCE or RE- mote control.

  • Page 15: Self Clean Operation

    AY-XPC15TU 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- ERATION lamp and the orange TIMER ions and dry inside of the unit.

  • Page 16: Chapter 3. Troubleshooting Guide

    AY-XPC15TU CHAPTER 3. TROUBLESHOOTING GUIDE AHXPC12LV Service Manual [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.
  • Page 17 AY-XPC15TU 2.CHART FOR READING SELF-DIAGNOSIS RESULT <INDOOR UNIT> ○:1-second ON / 1-second OFF Malfunction Indoor unit Content of diagnosis Check point Action Outdoor No.* Problem unit symptom indication (LED1) Lamp Main Sub Main → Indoor and 2-time Cycle Compressor high...
  • Page 18 AY-XPC15TU 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)”.
  • Page 19 AY-XPC15TU 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...
  • Page 20 AY-XPC15TU 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...

  • Page 21: Ipm Check Method

    AY-XPC15TU Problem Outdoor Indoor unit Malfunc- Content of diagnosis Check point Action symptom unit indi- tion No. cation Lamp Main Sub Main → (LED1) Indoor and Normal      Timer (Orange) Indoor unit Indoor unit room (1) Check connector of...
  • Page 22 AY-XPC15TU 3 – 7...

  • Page 23: Thermistor Temperature Characteristics

    [3] AIR CONDITIONER OPERATION IN THERMISTOR ERROR * These models have following thermistors. INDOOR UNIT AY-XPC15TU, AY-XPC18TU, AY-XP24TU TH1, TH2, TH3 The errors for the thermistors that are not mentioned above are irrelevant. These indoor units don’t have power relay.

  • Page 24: General Troubleshooting Chart

    AY-XPC15TU [4] GENERAL TROUBLESHOOTING CHART * These models have following thermistors. INDOOR UNIT AY-XPC15TU, AY-XPC18TU, AY-XP24TU 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 25: Disassembly Procedure

    AY-XPC15TU 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, inspect parts and repair or replace defective parts.
  • Page 26 AY-XPC15TU 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 27 AY-XPC15TU 16.Remove the control box by releasing the upper hook and pulling 22. Take out the motor and cross flow fan. out. Hook Motor and cross flow fan 23.Unscrew the screw of the cross flow fan and remove it. 17.Unscrew the 2 screws fixing drain pan and remove it.

  • Page 28: Plasmacluster Unit

    AY-XPC15TU [2] PLASMACLUSTER UNIT 1. Open the open panel. 5. Remove the 2 screw covers. Insert a flat type screw driver to hole of screw cover. Open panel 2. Remove the vertical louvre. 6. Unscrew 2 screws. Vertical louvre 7. Slide Plasmacluster cover to the back.

  • Page 29: Chapter 5. Installation Instruction

    AY-XPC15TU CHAPTER 5. INSTALLATION INSTRUCTION AHXPC12LV Service Manual Carefully read and follow these instructions for smooth and trouble-free installation. This manual describes the installation of indoor unit only For the installation of the outdoor unit, see the installation manual accompanying outdoor unit.

  • Page 30: Connecting The Cable To The Indoor Unit

    (7) Open the Open Panel. Ground Wire (8) Connect the Connecting Cable to Terminal Board. (Fig.1) (9) Fix the Cacle cover with the screw. Cable Clump (AY-XPC15TU, AY-XPC18TU, (10) Tighten the Connection Holder to Wire Conduit. AY-XP24TU) (11) Close the Open Panel. Connecting Cable...

  • Page 31: Connecting The Drain Hose

    (1) Pass the pipes and the drain hose through the piping For directions 1, 2 ,4 and 5, cut out the specifi c 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.

  • Page 32: Connecting The Refrigerant Pipes

    AY-XPC15TU CONNECTING THE REFRIGERANT PIPES Flaring the pipe end (4) Flaring Flare processing dimensions(A) (1) Cutting with a pipe cutter 90° Cut at a right angle. (2) Deburring R410A tool 0-0.02 inch (0 - 0.5 mm) Allow no cuttings in the pipe.

  • Page 33: Parts List

    AY-XPC15TU PartsGuide PARTS LIST SPLIT TYPE ROOM AIR CONDITIONER AY-XPC15TU MODELS AY-XPC18TU AY-XP24TU CONTENTS INDOOR UNIT PARTS ACCESSORY PARTS INDOOR PACKING PARTS HOW TO ORDER REPLACEMENT PARTS To have your order filled promptly and correctly, please furnish the following information.
  • Page 34 AY-XPC15TU [1] INDOOR UNIT PARTS...
  • Page 35 5-3-4 LHLD-B211JBFA HOLDER 5-3-5 LHLD-B212JBFA COVER DCOV-A390JBKZ AV FRONT PANEL ASS'Y DSRA-A419JBKZ DRAIN PAN SUB ASS'Y(AY-XP24TU) DSRA-A403JBKZ DRAIN PAN SUB ASS'Y(AY-XPC15TU,AY-XPC18TU) GGAD-A076JBTA AT WIRE GUARD MARMPA078JBFA AD MJNTPA191JBFA AE LOUVER LINK MLOV-A574JBFA AQ HORAIZONTAL LOUVER 5-10 MLOV-A562JBFA AE VERTICAL LOUVER...

  • Page 36: Accessory Parts

    6-2-3 TLABCE002JBRZ WIRING DIAGRAM [CABINET AND UNIT PARTS] CMOT-A561JBKZ FAN MOTOR SUB ASS'Y CHLD-A122JBKZ BEARING ASS'Y DCHS-A862JBKZ CABINET SUB ASS'Y(AY-XP24TU) DCHS-A833JBKZ CABINET SUB ASS'Y(AY-XPC15TU,AY-XPC18TU) PCOV-B996JBFZ MOTOR COVER DPNL-A123JBKZ OPEN PANEL ASS'Y LHLD-B213JBFA STOPPER NFANCA149JBEZ CROSS FLOW FAN PCOV-B994JBFA PIPE HOLDER...

  • Page 37: Indoor Packing Parts

    [3] INDOOR PACKING PARTS PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] PACKING PARTS SPADBA579JBEZ PACKING PAD L SPADBA580JBEZ PACKING PAD R SPAKCE212JBEZ PACKING CASE TLABMC997JBRZ PRODUCT LABEL(AY-XPC15TU) TLABMC998JBRZ PRODUCT LABEL(AY-XPC18TU) TLABMC995JBRZ PRODUCT LABEL(AY-XP24TU) TLAB-F722JBRZ NO CLAMP LABEL...

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