Table of Contents
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MODELS
MODELS
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.
[1]
SPECIFICATION ...........................................1-1
[2]
External Dimension ..............................1-2
[3]
WIRING DIAGRM..........................................1-3
[4]
Electrical Parts....................................1-4
CHAPTER 2. EXPLANATION OF CIRCUIT AND OP-
ERATION
[1]
Block DiagramS ......................................2-1
[2]
[3]
FUNCTION ..................................................2-18
TECTIVE PROCEDURES
[1]
PROTECTION DEVICE FUNCTIONS AND
OPERATIONS ...............................................3-1
[2]
AIR CONDITIONER OPERATION IN
THERMISTOR ERROR.................................3-2
[3]
THERMISTOR TEMPERATURE CHAR-
ACTERISTICS...............................................3-3
[4]
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 ROOM AIR CONDITIONER
INDOOR UNIT
AY-X9PSR
AY-X12PSR
CONTENTS
[5]
MALFUNCTION (PARTS) CHECK METH-
OD..................................................................3-8
[6]
Chart .............. . ..........................................3-10
[7]
Trouble Shooting Guide ................... 3-11
CHAPTER 4. REFRIGERATION CYCLE
[1]
SCHEMATIC DIAGRAM ........................ . ....... 4-1
[2]
Standard Condition ...................... . ....... 4-1
[3]
TEMPERATURE AT EACH PART AND
PRESSURE IN 3-WAY VALVE............... . ....... 4-2
........2-3
[4]
PERFORMANCE CURVES ................... . ....... 4-2
[1]
INDOOR UNIT ....................................... . ....... 5-1
[2]
OUTDOOR UNIT ................................... . ....... 5-4
[3]
CONTROL BOX..................................... . ....... 5-7
CHAPTER 7. INSTALLATION MANUAL
PA RTS LIST
SC213AYX9PSR/C
OUTDOOR UNIT
AE-X9PSR
AE-X12PSR
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
AY-X9PSR
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Table of Contents
Troubleshooting
Related Manuals for Sharp AY-X12PSR
Summary of Contents for Sharp AY-X12PSR
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Page 1: Service Manual
INDOOR UNIT OUTDOOR UNIT AE-X9PSR AY-X9PSR MODELS AY-X12PSR AE-X12PSR 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 MALFUNCTION (PARTS) CHECK METH- CHAPTER 1. -
Page 2: Specification
SHARP(CHINA)INVESTMENT CO.,LTD CHAPTER 1. PRODUCT SPECIFICATION [1] SPECIFICATION 1. AY-X9PSR/AY-X12PSR MODEL INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT ITEMS AY-X9PSR AE-X9PSR AY-X12PSR AE-X12PSR Rated cooling capacity(Min-Max) 2.6(1.00-3.10) 3.5(1.1-3.7) Rated heating capacity(Min-Max) 2.6(1.0-3.80) 3.5(1.1-4.5) Moisture removal(at cooling) Liters/h Electrical date... -
Page 3: External Dimension
[2] EXTERNAL DIMENSION INDOOR UNIT OUTDOOR UNIT... - Page 4 [3]WIREING DIAGRAM 1.AY-X9PSR/AY-X12PSR AE-X9PSR/AE-X12PSR Indoor unit Outdoor unit...
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Page 5: Electrical Parts
5.0mH 10A 1171990046 outdoor fan motor 1170040126 220V/50Hz Discharge Temp. sensor 2.1kŸ 1170230006 Pipe Temp. sensor and outdoor Temp. sensor 5kŸ 1170230007 2.AY-X12PSR/AE-X12PSR Indoor unit CODE Indoor fan motor 220V/50Hz 1170030067 Main PCB 1090260049AA Display PCB 1090320292 Transformer 220V/50/60Hz 12V... - Page 6 SHARP(CHINA)INVESTMENT CO., LTD CHAPTER 2.EXPLAMATION OF CIRCUIT AND OPERATTION [1] BLOCK DIAGRAM 1. INDOOR UNIT Unit-unit wiring (AC power and serial signals)and serial Indoor/outdoor control signals) LED display board 3.15A fuse LED Display driver Overcurrent detection Zero-crossing detection Transformer Power Supply+15V...
- Page 7 SHARP(CHINA)INVESTMENT CO., LTD 2. OUTDOOR UNIT Unit-unit wiring AC Zero-crossing (AC power and serial signals)and Programmer port PFC IGBT Driving Circuit PFC CPU serial signals) DC +5V2 Bus current detecting circuit 20A FUSE Filter PFC enable circuit Inrush current protection...
- Page 8 SHARP(CHINA)INVESTMENT CO., LTD [2] MICROCOMPUTER CONTROL SYSTEM 1. INDOOR UNIT 1.1. Electronic control circuit diagram AY-X9PSR/AY-X12PSR...
- Page 9 SHARP(CHINA)INVESTMENT CO., LTD AY-X9PSR/AY-X12PSR...
- Page 10 SHARP(CHINA)INVESTMENT CO., LTD AY-X9PSR/AY-X12PSR...
- Page 11 SHARP(CHINA)INVESTMENT CO., LTD AY-X9PSR/AY-X12PSR...
- Page 12 SHARP(CHINA)INVESTMENT CO., LTD 1.2. Printed wiring board Indoor unit AY-X9PSR/AY-X12PSR...
- Page 13 SHARP(CHINA)INVESTMENT CO., LTD 2. Outdoor unit 2.1. Electronic control circuit diagram inverter modul board AE-X9PSR/AE-X12PSR...
- Page 14 SHARP(CHINA)INVESTMENT CO., LTD AE-X9PSR/AE-X12PSR...
- Page 15 SHARP(CHINA)INVESTMENT CO., LTD AE-X9PSR/AE-X12PSR 2-10...
- Page 16 SHARP(CHINA)INVESTMENT CO., LTD AE-X9PSR/AE-X12PSR 2-11...
- Page 17 SHARP(CHINA)INVESTMENT CO., LTD AE-X9PSR/AE-X12PSR 2-12...
- Page 18 SHARP(CHINA)INVESTMENT CO., LTD POWER SUPPLY BOARD AE-X9PSR/EX-X12PSR 2-13...
- Page 19 SHARP(CHINA)INVESTMENT CO., LTD AE-X9PSR/EX-X12PSR 2-14...
- Page 20 SHARP(CHINA)INVESTMENT CO., LTD AE-X9PSR/EX-X12PSR 2-15...
- Page 21 SHARP(CHINA)INVESTMENT CO., LTD Printed wiring board Inverter module board AE-X9PSR/AE-X12PSR 2-16...
- Page 22 SHARP(CHINA)INVESTMENT CO., LTD POWER SUPPLY BOARD AE-X9PSR/AE-X12PSR 2-17...
- Page 23 SHARP(CHINA)INVESTMENT CO.,LTD [3] FUNCTION 1. Fuction 1.1. Compressor delay operate z Air flow direction z Power ON/OFF TheOnce the compressor stops operating, it will not restart for 3 minutes z Automatic operation mode setting to protect the compressor z Swing louvre Therefore, if the operating compressor is shut down from the remote con- 1.7.2.
- Page 24 SHARP(CHINA)INVESTMENT CO.,LTD when the unit enter drop frequency prevention opreates, if I •I about 33°C in order to prevent cold air from blowing into the room. drop •I , the controller limit the operation frequency rise until I outdoor normal...
- Page 25 SHARP(CHINA)INVESTMENT CO.,LTD z If the “AUTO” mode operates in DRY , the set temperature and 1.21. Information about auto mode. the fan speed can’t changed. 1.22. Airflow control In the AUTO mode, the temperature setting and mode are automatically selected according to the room temperature when the unit is turned on.
- Page 26 SHARP(CHINA)INVESTMENT CO.,LTD When the IGBT is ON, an electric current flows to the IGBT via the reactor. When the IGBT turns OFF, the energy stored while the IGBT was ON is charged to capacitor. As such, by varying the ON/OFF duty of the IGBT, the output voltage is varied.
- Page 27 SHARP(CHINA)INVESTMENT CO.,LTD advantage of being simple and inexpensive; however, the duty cycle and on-time are limited by the need to refresh the charge in the bootstrap capacitor. The bootstrap supply is formed by a combination of and bootstrap diode, resistor, and capacitor as shown in Figure35 and Figure36. The current flow path of the bootstrap circuit is show in Figure 35.
- Page 28 SHARP(CHINA)INVESTMENT CO.,LTD 2-23...
- Page 29 SHARP(CHINA)INVESTMENT CO.,LTD CHAPTER 3. FUNCTION AND OPERATION OF PROTECTIVE PROCEDURES [1] PRETECTION DEVICE FUNCTIONS AND OPERATIONS Self-daignosis Operation result display FUNTION Outdoor Detection Indoor unit Indoor Description Reset condition unit period error display unit Compressor Discharge temperature•TP2 When Discharge temperature...
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Page 30: Air Conditioner Operation In Thermistor Error
SHARP(CHINA)INVESTMENT CO.,LTD Detection Indoor unit Indoor Outdoor Description Reset condition period error display unit unit Outdoor unit Indoor and outdoor unit stops compressor Operation OFF or ON discharge thermistor if there is short-circuit or startup open-circuit error break in outdoor unit heat... -
Page 31: Thermistor Temperature Char Acteristics
SHARP(CHINA)INVESTMENT CO.,LTD Item Mode Control When resistance is Short-circuit When resistance Open-circuit operation low (tempera-ture is high (tempera- judged higher than ture judged lower actual) than actual) Compressor Cooling Expansion valve Compressor operates, Compressor Layer short-circuit or Compressor discharge pipe... - Page 32 SHARP(CHINA)INVESTMENT CO.,LTD Resistance Votalge of Resistance Votalge of Resistance Votalge of TEMP. (k Ohm) resisitance TEMP. (k Ohm) resisitance TEMP. R(k Ohm) resisitance 24.984 4.152 3.697 2.101 0.843 0.710 23.795 4.117 3.563 2.057 0.819 0.692 22.671 4.082 3.435 2.012 0.795 0.675...
- Page 33 SHARP(CHINA)INVESTMENT CO.,LTD Rmin R(t) Rmax Rmin R(t) Rmax Rmin R(t) Rmax TEMP. (k Ohm) (k Ohm) (k Ohm) TEMP. (k Ohm) (k Ohm) (k Ohm) TEMP. (k Ohm) (k Ohm) (k Ohm) 283.3 322.9 367.7 19.36 20.89 22.52 2.563 2.654 2.745...
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Page 34: General Troubleshooting Chart
SHARP(CHINA)INVESTMENT CO.,LTD Rmin R(t) Rmax Rmin R(t) Rmax Rmin R(t) Rmax TEMP. (k Ohm) (k Ohm) (k Ohm) TEMP. (k Ohm) (k Ohm) (k Ohm) TEMP. (k Ohm) (k Ohm) (k Ohm) 30.04 32.71 35.58 0.6631 0.7195 0.7572 29.72 31.24 33.95... - Page 35 SHARP(CHINA)INVESTMENT CO.,LTD Main cause Inspection method Normal value/condition Remedy Remote control not designed to allow Fan speed should change ex- Check operation mode. Explain to user. fan speed change. cept during dehumidifying ope- ration, sleep operation,internally normal operation 4. Remote control signal is not received...
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Page 36: Malfunction (Parts) Check Meth Od
SHARP(CHINA) INVESTMENT CO., LTD [5] MALFUNCTION (PARTS) CHECK METHOD 1. Procedure for determining defective outdoor unit IPM/compressor The following flow chart shows a procedure for locating the cause of a malfunction when the compressor does not start up and a DC overcurrent indication error occurs. - Page 37 SHARP(CHINA) INVESTMENT CO., LTD 6. DC Over Current Error error memory isrecorded. Start Are valves(2-way and 3-way) close? Fully open stop valves Does compressor rotate? Does compressor rotate more than 30 seconds? Is IPM PWB floating from the heat sink? Fix IPM PWB with screws securely.
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Page 38: Chart
SHARP(CHINA)INVESTMENT CO.,LTD [6] CHART The failure code display(indoor unit) lamp Digital LED display (Flashing) RUN&POWER: ON (Flashing) RUN&POWER: ON (Flashing) RUN&POWER: ON ) l i (Flashing) RUN&POWER: ON ) l i (Flashing) RUN&POWER: ON RUN&POWER: ON (Flashing) (Flashing) RUN&POWER: ON (Flashing) RUN&POWER: ON... -
Page 39: Trouble Shooting Guide
SHARP(CHINA)INVESTMENT CO.,LTD 2.2. Outdoor IPM Flash times(n) Fault Message Blink times(n) Fault Message l i a l i a a t l and intelligent power module Overcurrent of compressor Display on outdoor power source board: The indicator alerts the fault in a cycle as such that it is bright for 0.5 seconds, dark for 0.5 seconds, flases”n”... - Page 40 SHARP(CHINA)INVESTMENT CO.,LTD 2. Display E6 Check the indoor cross-flow fan blade If the fan does not run, readjust the fan position until it can run smoothly. If the motor insert (CN3, CN4) on indoor main PCB is in Insert again if loose.
- Page 41 SHARP(CHINA)INVESTMENT CO.,LTD 5. Display EC Problem symptom Display EC Cause Outdoor communication fault between power source board and intelligent power module Malfunction No. Content of diagnosis Action Check the contact of communication wire (CN5) Insert again if loose. between power source board and intelligent power...
- Page 42 SHARP(CHINA)INVESTMENT CO.,LTD 6. Display EU Problem symptom Display EU Cause Voltage sensor fault Malfunction No. Content of diagnosis Action The outdoor power source bord can’t check the Insert again if loose. voltage, check the votage lower or higher than the Replace the outdoor power source board protector voltage .
- Page 43 SHARP(CHINA)INVESTMENT CO.,LTD 9. Display E9 (Firstly display P0 or P9, then change to E9) Problem symptom Display E9 (Firstly display P0 or P9, then change to E9) Cause Intelligent power module of drive and module fault Malfunction No. Content of diagnosis...
- Page 44 SHARP(CHINA)INVESTMENT CO.,LTD Energize 1. Check if the indoor and outdoor connections are Replace the indoor main PCB. correct. The terminal L and N shall correspond to observe for each other on indoor and outdoor units. Measure approx. 10 the voltage on outdoor terminal L and N (before minutes.
- Page 45 SHARP(CHINA)INVESTMENT CO.,LTD 13. Display P4 Check if the air inlet and outlet of outdoor unit is blocked by any Install to the position as required in the Instruction obstructions. Manual and ensure the air inlet and outlet of the outdoor unit is smooth.
- Page 46 SHARP(CHINA)INVESTMENT CO.,LTD 17. Display P7 Problem symptom Display P7 Cause Overheating protection under heating mode Check if the air inlet and outlet of outdoor unit is blocked by any Install to the position as required in the Installation manual obstructions.
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Page 47: Chapter 4. Refrigeration Cycle 1] Schematic Diagram
SHARP(CHINA)INVESTMENT CO.,LTD CHAPTER 4. REFRIGERATION CYCLE [1] SCHEMATIC DIAGRAM [2] STANDARD CONDITION Indoor side Outdoor side Dry-bulb Temp. (°C) Relative Humidity (%) Dry-bulb Temp. (°C) Relative Humidity (%) Cooling Heating [3] TEMPERATURE AT EACH PART AND PRESSURE IN 3-WAY VALVE... - Page 48 SHARP(CHINA)INVESTMENT CO.,LTD AY-XP9PSR/AE-XP9PSR 1.1. At Cooling 1.2. At Heating AY-X12PSR/AE-X12PSR 1.1. At Cooling 1.2. At Heating...
- Page 49 SHARP(CHINA) INVESTMENT CO., LTD CHAPTER 5. DISASSEMBLY PROCEDURE If, in carrying out repairs and modifications, the work requires the use of arc- and flame-producing apparatus, such as welding, brazing and solderingequipment, this work shall only be started after the rooms have been thoroughly ventilated. While the work is being carried out, the mechanical venti-lation, if any, shall be kept in constant operation and all windows and doors kept open.
- Page 50 SHARP(CHINA) INVESTMENT CO., LTD 8) Remove the thermistor suppertor and the thermistor clip.Remove a screw fixing the earth wire. 7) Unfasten the front panel and pull forward it slightly. (4 circled spotsin the picture are hooked.) 9) Remove the screw fixing on the control box cover from the control Open the horizontal louver.
- Page 51 SHARP(CHINA) INVESTMENT CO., LTD 11) Remove the horizontal louver fromcabinet while warping. 12) Remove the two screw and remove the vane motor. b) Remove the tube cover. •Insert the (–) screwdriver to A hole, D clip and then lean it to theright as lifting B part.
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Page 52: Outdoor Unit
SHARP(CHINA) INVESTMENT CO., LTD 15) Loosen the screw of cross flow fan and separate the cross flow fan When assembling them, insert the motor shaft in the boss of thecross and the fan motor flow fan to the ring position. - Page 53 SHARP(CHINA) INVESTMENT CO., LTD 5)The screw on the right-hand side of front panel is removed 9) Unscrew the 4 screws on the back side of of right plate and removed the right plate. 6)The screw on the left-hand side of front panel is removed 10) Unscrew the 4 screws on the side left grille and removed the left grille.
- Page 54 SHARP(CHINA) INVESTMENT CO., LTD 11) Remove the connectors and reactor in the control box. 14) Remove the compressor covers 1 and 2. 15) Remove the nut, and remove the terminal cover. 12)Remove the 2 screws fixed the control box. 16) Remove the lead wire and the cover gasket.
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Page 55: Control Box
SHARP(CHINA) INVESTMENT CO., LTD 18) Remove the 3 thermistors. [3] CONTROL BOX 1.Control unit box's Approach to decomposition. 1) Take off lead wires from terminal assembly. (Blue wire,Brown wire,Black wire) 19) Thermistor position. Discharge Temp. 2) Take off screw (earth). - Page 56 SHARP(CHINA) INVESTMENT CO.,LTD CHAPTER7.INSTALLATION MANUL...
- Page 57 SHARP(CHINA) INVESTMENT CO.,LTD...
- Page 58 SHARP(CHINA) INVESTMENT CO.,LTD...
- Page 59 SHARP(CHINA) INVESTMENT CO.,LTD...
- Page 60 SHARP(CHINA) INVESTMENT CO.,LTD CHAPTER 6. OPERATION MANUAL...
- Page 61 SHARP(CHINA) INVESTMENT CO., LTD...
- Page 64 SHARP(CHINA) INVESTMENT CO., LTD...
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Page 65: Room Air Conditioner
AY-X9PSR/AY-12PSR PartsGuide PARTS GUIDE ROOM AIR CONDITIONER MODEL AY-X9PSR INDOOR UNIT AY-X12PSR AE-X9PSR OUTDOOR UNIT AE-X12PSR CONTENTS INDOOR UNIT PARTS OUTDOOR UNIT PARTS ACCESSORY PARTS OUTDOOR PACKING PARTS INDOOR PACKING PARTS 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. - Page 66 SHARP(CHINA) INVESTMENT CO., LTD [1] INDOOR UNIT PARTS AY-X9PSR/AY-X12PSR...
- Page 67 SHARP(CHINA) INVESTMENT CO., LTD AY-X9PSR Part No. Part Name Q’ty Remark PPLTNA161JBWZ Installation Plate CSRA-A896JBKZ Water Drainage Assembly MLOV-A588JBFA Vertical Vane Assembly t l i QACC-A362JBZZ Power Supply Cord CDECQA084JBKZ Display PCB Cover HDECQA533JBFA Display PCB Box PCOV-C123JBFZ Indoor Motor Cover...
- Page 68 SHARP(CHINA) INVESTMENT CO., LTD AY-X12PSR Part No. Part Name Q’ty Remark PPLTNA161JBWZ Installation Plate CSRA-A896JBKZ Water Drainage Assembly MLOV-A588JBFA Vertical Vane Assembly t l i QACC-A362JBZZ Power Supply Cord CDECQA084JBFA Display PCB Cover RLCDSA127JBZZ Display PCB(Digital) HDECQA533JBFA Display PCB Box...
- Page 69 SHARP(CHINA) INVESTMENT CO., LTD [2] ACCESSORY PARTS ACCESSORY PARTS Part No. Part Name Q’ty Remark CRMC-A891JBEZ REMOTE CONTROL INSTALLTION MANUAL TINSJB281JBRZ OPERATION MANUAL TINSJB280JBRZ [3] INDOOR UNIT PARTS 3 (4) t Foaming INDOOR PACKING PARTS Part No. Part Name Q’ty...
- Page 70 SHARP(CHINA) INVESTMENT CO., LTD [4] OUTDOOR UNIT PARTS AE-X9PSR/AE-X12PSR...
- Page 71 SHARP(CHINA) INVESTMENT CO., LTD AE-X9PSR Part No. Part Name Q’ty Remark LANGKA345JBPZ Outdoor motor supporter l l e e l l e l l FCMPRA374JBKZ Compressor and accessories CVLV-B263JBKZ 4-way valve assembly this is assembly RH-HXA194JBZZ Pipe Temp. sensor and outdoor Temp.
- Page 72 SHARP(CHINA) INVESTMENT CO., LTD AE-X12PSR Part No. Part Name Q’ty Remark LANGKA345JBPZ Outdoor motor supporter l l e PPLT-A990JBTA Left grille supporter e l l FCMPRA375JBKZ Compressor and accessories CVLV-B264JBKZ 4-way valve assembly JHNDPA035JBFA Electrical box cover this is assembly...
- Page 73 SHARP(CHINA) INVESTMENT CO., LTD [5] OUTDOOR PACKING PARTS 1(5) PACKING PARTS Part No. Part Name Q’ty Remark SPAKCE434JBEZ Cabinet carton for AE-X9PSR SPADBA706JBFZ Cover foaming SPADBA705JBFZ Base foaming SPAKCE435JBEZ Base carton SPAKCE468JBEZ Cabinet carton for AE-X12PSR...