Sharp AY-XPC12PU Service Manual
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Sharp AY-XPC12PU Service Manual

Split type room 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

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]
SB211AYXPC2PU/T
SPLIT TYPE
AY-XPC07PU
AY-XPC09PU
AY-XPC12PU
.................................
...............................................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-XPC12PU
3-8
....
3-9

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Summary of Contents for Sharp AY-XPC12PU

  • Page 1: Table Of Contents

    TopPage AY-XPC12PU SERVICE MANUAL SB211AYXPC2PU/T SPLIT TYPE ROOM AIR CONDITIONER (INDOOR UNIT) AY-XPC07PU MODEL AY-XPC09PU AY-XPC12PU 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-XPC12PU CHAPTER 1. AHXPC12LV SPECIFICATION Service Manual [1] SPECIFICATION ITEMS INDOOR MODEL AY-XPC12PU AY-XPC09PU AY-XPC07PU Electrical data Single Single Phase Single Rated frequency 208/230 208/230 208/230 Reted voltage Evaporator Louver fin and Grooved tube type Louver fin and Grooved tube type...

  • Page 3: External Dimentions

    AY-XPC12PU [2] EXTERNAL DIMENSION Indoor unit 2.2 (57) 0.7 (18) Remote controller 36.2 (920) 9.4 (240) [3] ELECTRICAL PARTS Fan motor Louver motor [4] WIRING DIAGRM 1 – 2...

  • Page 4: Block Diagrams

    AY-XPC12PU AHXPC12LV CHAPTER 2. EXPLAMATION OF CIRCUIT AND OPERATION [1] BLOCK DIAGRAMS Switching transformer Heat exchanger (PIPE) detect circuit Heat exchanger temp. thermistor Liquid pipe VALVE detect circuit Liquid pipe temp. thermistor 2 – 1...

  • Page 5: Microcomputer Control System

    AY-XPC12PU [2] MICROCOMPUTER CONTROL SYSTEM 1. Electronic control circuit diagram 2 – 2...

  • Page 6: Function

    AY-XPC12PU 2. Printed wiring board terminal board "L2"(brown) terminal board "L1"(blue) terminal board (green/yellow) terminal board "2"(red) CN2:thermistor BCN7:display board unit CN4:louver motor CN1:fan motor CN6:plasmacluster generator [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.
  • Page 7 AY-XPC12PU 5. Power ON start 9.1. Difference relating to set temperature If the connecting wire “POWER ON” (POJP) is put on the PWB assem- Temperature setting method bly, when the power is supplied by turning on a circuit breaker, the air conditioner automatically starts of operation in “AUTO”.
  • Page 8 AY-XPC12PU 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-XPC12PU [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...
  • Page 10 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 11 AY-XPC12PU 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...
  • Page 12 AY-XPC12PU 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-...
  • Page 13 AY-XPC12PU 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.)

  • Page 14: Self-Diagnosis Function

    AY-XPC12PU 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 15 AY-XPC12PU &+$57 )25 5($',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...
  • Page 16 AY-XPC12PU 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 17 AY-XPC12PU 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...
  • Page 18 AY-XPC12PU 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 19 AY-XPC12PU 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...
  • Page 20 AY-XPC12PU 3 – 7...

  • Page 21: Thermistor Temperature Characteristics

    [3] AIR CONDITIONER OPERATION IN THERMISTOR ERROR * These models have following thermistors. INDOOR UNIT AY-XPC07PU, AY-XPC09PU, AY-XPC12PU TH1, TH2, TH3 The errors for the thermistors that are not mentioned above are irrelevant. These indoor units don’t have power relay.

  • Page 22: General Troubleshooting Chart

    AY-XPC12PU [4] GENERAL TROUBLESHOOTING CHART * These models have following thermistors. INDOOR UNIT AY-XPC07PU, AY-XPC09PU, AY-XPC12PU 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 23: Indoor Unit

    AY-XPC12PU AHXP13MRY CHAPTER 5. DISASSEMBLY PROCEDURE [1] INDOOR UNIT 1) Remove power cord from OUTDOOR 3) Remove the screw fixing cord holder UNIT. and then remove it. 2) Open open panel (reverse it) and remove it by the direction shown in the picture.
  • Page 24 AY-XPC12PU 8) Loosen the 2 screws, push the hook 6) Lift the underside catch, then push the upper hooks and remove filter guide. 7) Loosen the screw, push the hook and remove front panel L . 9) Remove thermistor wire and loosen the screw fixing earth wire .
  • Page 25 AY-XPC12PU 12) Lift the upper hook and remove 10) Lift the hook, reverse control box cover and pull it toward in the direction control box ass'y. shown in the picture. HOOK HOOK 13) Loosen 2 screws, take off drain pan .
  • Page 26 AY-XPC12PU 14) Push the catch, take off fan motor and 16) Loosen 3 screws and remoce cross flow fan . evaporator ass'y . 15) Loosen the screw of cross flow fan and then separate cross flow fan and fan motor .
  • Page 27 AY-XPC12PU 18) Loosen 2 screws and remove 21) Pull PWB toward by the direction shown in the picture. side cover R . 19) Loosen the screw fixing terminal board , 22) Lift the hook and remove LED PWB . and take terminal board up.

  • Page 28: Plasmacluster Unit

    AY-XPC12PU 27) Push 3 hooks, open 24) Loose 1 screws of guard holder for wire guard, and then take off guard holder. plasmacluster ass'y and remove plasmacluster unit . Hook Unhook the wire guard as shown below, and then take off wire guard.

  • Page 29: Chapter 5. Installation Instruction

    AY-XPC12PU AHXPC12LV CHAPTER 5. INSTALLATION INSTRUCTION [1].SAFETY PRECAUTIONS ‡ Installation must be made in accordance with the installation ‡ Tighten the À are nut with a torque wrench according to the speci¿ ed manual by quali¿ ed service personnel. method.
  • Page 30 AY-XPC12PU [5].INSTALLATION DIMENSION OF INDOOR UNIT Length unit: in (mm) Outline of indoor unit 8QLW VL]H   &DELQHW VL]H   17.7 (450) 7.3 (185) 7.3 (185) 10.2 (260) 2.8 (70) 2.6 (65) (For right side piping) 3 (77) 4.9 (124)
  • Page 31 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 32 AY-XPC12PU CONNECTING THE REFRIGERANT PIPES Flaring the pipe end (4) Flaring (1) Cutting with a pipe cutter Flare processing dimensions(A) 90° Cut at a right angle. (2) Deburring R410A tool 0-0.02 in (0 - 0.5 mm) Allow no cuttings in the pipe.

  • Page 33: Indoor Unit

    AY-XPC12PU PartsGuide PARTS GUIDE SPLIT TYPE ROOM AIR CONDITIONER AY-XPC07PU MODELS AY-XPC09PU AY-XPC12PU CONTENTS INDOOR UNIT PARTS ACCESSORY PARTS INDOOR PACKING PARTS *Parts of AY-XPC07PU and AY-XPC09PU are still under revision, may change for reliability improvement. New edition of this manual will be issued after revision is completed.
  • Page 34 AY-XPC12PU [1] INDOOR UNIT PARTS...
  • Page 35 AY-XPC12PU...
  • Page 36 AY-XPC12PU...
  • Page 37 AY-XPC12PU PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [1] INDOOR UNIT PARTS CYCLE PARTS CCYC-E043JBKZ CYCLE ASS'Y PFPFPE084JBEZ TUBE INSULATOR PSEN-A081JBKZ FLARE NUT ASS'Y PPLT-A933JBFZ SIDE COVER L PCOV-C002JBFZ SIDE COVER R PSEN-A080JBKZ FLARE NUT ASS'Y LHLD-B217JBFA THERMISTOR HOLDER...
  • Page 38 NFANCA150JBEZ CROSS FLOW FAN PCOV-C011JBFZ PIPE HOLDER PFILMA283JBEA AIR FILTER PGID-A203JBFA FILTER GUIDE 7-10 PPLTNA143JBWZ MOUNTING ANGLE 7-11 TSPC-H659JBRA NAME LABEL(AY-XPC12PU) 7-11 TSPC-H693JBRA NAME LABEL(AY-XPC9PU) 7-11 TSPC-H777JBRA NAME LABEL(AY-XPC7PU) [2] ACCESSORY PARTS CRMC-A868JBEZ REMOTE CONTROL LHLD-A484JBFA HOLDER DHLD-A073JBKZ CORD HOLDER ASSY...

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