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Table of Contents
- 1 Table of Contents
- 2 Service Manual
- 3 Split System
- 4 Room Air Conditioner
- 5 Specifications
- 6 External Dimensions
- 7 Wiring Diagrams
- 8 Electrical Parts
- 9 Microcomputer Control System
- 10 Printed Wiring Diagram
- 11 Funtions
- 12 Troubleshooting
- 13 Refrigeration Cycle and Performance Curves
- 14 Disassembling Procedure
- Download this manual
SPECIFICATIONS..............................................................................................................................................2
EXTERNAL DIMENSIONS.................................................................................................................................4
WIRING DIAGRAMS..........................................................................................................................................5
ELECTRICAL PARTS........................................................................................................................................6
MICROCOMPUTER CONTROL SYSTEM.........................................................................................................7
PRINTED WIRING DIAGRAM............................................................................................................................8
FUNTIONS........................................................................................................................................................10
TROUBLESHOOTING......................................................................................................................................14
REFRIGERATION CYCLE AND PERFORMANCE CURVES..........................................................................16
DISASSEMBLING PROCEDURE.....................................................................................................................17
REPLACEMENT PARTS LIST..........................................................................................................................25
SERVICE MANUAL
ROOM AIR CONDITIONER
INDOOR UNIT
AH-129
AH-MP14
CONTENTS
SHARP CORPORATION
SHARP CORPORATION
1
SPLIT SYSTEM
OUTDOOR UNIT
AU-129
AU-MP14
Page
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Summary of Contents for Sharp AU-MP14
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Page 1: Table Of Contents
SERVICE MANUAL SPLIT SYSTEM ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT AH-129 AU-129 AH-MP14 AU-MP14 CONTENTS Page SPECIFICATIONS..............................2 EXTERNAL DIMENSIONS..........................4 WIRING DIAGRAMS............................5 ELECTRICAL PARTS............................6 MICROCOMPUTER CONTROL SYSTEM......................7 PRINTED WIRING DIAGRAM..........................8 FUNTIONS................................10 TROUBLESHOOTING............................14 REFRIGERATION CYCLE AND PERFORMANCE CURVES................16 DISASSEMBLING PROCEDURE........................17 REPLACEMENT PARTS LIST..........................25... -
Page 2: Specifications
CHAPTER 1. PRODUCT SPECIFICATION [1] SPECIFICATION 1. AH-129 / AU-129 INDOOR UNIT OUTDOOR UNIT ITEMS AH-129 AU-129 Cooling capacity 3.50 Moisture removal Liters/h – Electrical data Phase Single Rated frequency Rated voltage Rated current Rated input * 1090 Power factor 97 - 99 Compressor Type... - Page 3 2. AH-MP14 / AU-MP14 INDOOR UNIT OUTDOOR UNIT ITEMS AH-MP14 AU-MP14 Cooling capacity 3.50 Moisture removal Liters/h – Electrical data Phase Single Rated frequency Rated voltage Rated current Rated input * 1090 Power factor 97 - 99 Compressor Type Hermetically sealed rotary type...
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Page 4: External Dimensions
[2] EXTERNAL DIMENSION 1. Indoor unit (AH-129 / AH-MP14) 2. Outdoor unit (AU-129 / AU-MP14) 37.5 167.5... -
Page 5: Wiring Diagrams
[3] WIRING DIAGRAM Indoor Unit (AH-129) Indoor Unit (AH-MP14) Outdoor (AU-129 / AU-MP14) -
Page 6: Electrical Parts
Transformer — Primary ; AC 220 / 240V 50Hz INDOOR — Secondary ; AC15.3V , 50Hz Fuse — 250V, 2.5A INDOOR 2. AH-MP14 / AU-MP14 REMARKS DESCRIPTION MODEL SITE Compressor RH207VXGT 220V, 50Hz, 1120W OUTDOOR Indoor fan motor CMOT-A448JBKZ 220 - 240V , 50Hz... -
Page 7: Microcomputer Control System
[2] MICRO-COMPUTER CONTROL SYSTEM 1. Electronic Control Diagram Indoor unit (AH-129 / AH-MP14) -
Page 8: Printed Wiring Diagram
2. PRINTED WIRING DIAGRAM 2.1 Indoor (AH-129) - Page 9 2.2 Indoor (AH-MP14)
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Page 10: Funtions
CHAPTER 3. FUNCTIONS [1] FUNCTION 2.2. DRY TEMPERATURE CONTROL On the switch on, the compressor always starts to operate for 2 CHARACTERISTIC 1.1. COOL operation minutes with fan speed "DL". In the "COOL" mode, the thermostat circuit is controlled by five The microcomputer reads the room temperature 2 minutes after thermostat lines (C1 thru C5). - Page 11 TEST RUN OUTPUTS IN EACH OPERATION MODE If the "AUX" button on the unit is pressed for 5 seconds or more Mode Compres- Valve Coil during operation, cool test operation starts. The operation LED (red) Outdoor Indoor flickers during test run. Fan Motor Fan Motor Cooling...
- Page 12 [2] TEST MODE 1. AH-129 Keep pushing the "AUX." buttons and supply the power, the system will go to the test mode. In this mode, the output of operation is switched by pushing the ""AUX." button in the unit or the "OI" button in the remote controller. Normal outputs are shown in Table. STEP No.
- Page 13 [3] DIAGNOSIS PROCEDURE 1. AH-129 / AH-MP14 When indoor fan motor is out of order occurs, indoor fan motor and louver are all stopped and the operation LED(red) turns on or off synchronously with the timimg of the timer LED. When the thermistor for room temperature or pipe temperature is open or short state, the operation LED turns on or off synchrnoously with the timing of the timer LED by pushing continously for more than 5 seconds "AUX."...
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Page 14: Troubleshooting
CHAPTER 4. TROUBLESHOOTING... - Page 15 CHAPTER 4. TROUBLESHOOTING...
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Page 17: Disassembling Procedure
DISASSEMBLING PROCEDURE MODEL: AH-129 ,AH-MP14 [1] INDOOR UNIT Be sure to disconnect the power supply cord from the AC power outlet before starting the disassembly procedure. When reassembling the unit- after repairing, besure to install screws to their original positions. The screws used are not the same in specifications such as corrosion-resistant treatment, tip shape and length. - Page 18 9) Remove 5 screws fixing the front panel. 14) Remove the control box. 10) Pull the front panel up. 11) Remove a screw fixing the Control box cover, and remove it 15) Remove the LED guide. 16) Pushing the 2 hooks of the holder, remove the display 12) Remove the 2 screws fixing the control box.
- Page 19 18) Remove the holder. 21) Remove the screw fixing the evaporator ass'y and - evaporator. 22) Remove the drain guide. 19) Remove 2 screws fixing the holder. (AH-MP14) 23) Remove 2 screws fixing the evaporator. 20) Remove 2 screws fixing the PC cover. (AH-MP14) 24) Remove 2 screw fixing the evaporator and bushing holder.
- Page 20 25) Pull the evaporator ass'y up. 28) Remove the screw fixing cross flow fan. 26) Take out the left side of the drain pan. 29) Hold up the left side of evaporator, pull out cross flow Attention: In case of assembly. Part A is inserted into the drain part of the drain pan.
- Page 21 MODEL: AU-129 ,AU-MP14 [2] OUTDOOR UNIT 1) Loose a screw fixing the side cover 3) Loose the unit-to-unit cord. 2) Loose 2 screws fixing the terminal cover and 1 screw- 4) Loose 6 screws fixing the top panel. fixing the cord clamp.
- Page 22 ( Left side view ) 5) Loose 5 screws fixing the front panel. (Right side view) ( Left side view ) ( Front view ) ( Front view )
- Page 23 6) Cut 3 plastic bands. 9) Remove 3 terminals of compressor. 7) Remove 2 terminals. (connecting with fan condenser) 10) Loose 4 screw fixing the control box. 8) Remove the terminal cover. 11) Take out the control box...
- Page 24 1. DISASSEMBLING PROCEDURE OF THE FAN 2. ASSEMBLING PROCEDURE OF COMPRESSOR COVER 1) Loose the fan nut and take out fan. 1) Remove: Unlace the fastenner and pull the compressor cover out from left side. [a) 2) Assembly: Insert the compressor cover from left side, cover the tube and fasten.