Related Manuals for Samsung AQ09A5(6)MAF
Summary of Contents for Samsung AQ09A5(6)MAF
- Page 1 SERVICE Manual SPLIT TYPE AIR CONDITIONER Indoor Unit Outdoor Unit AQ09A5(6)MAF UQ09A5(6)MAF AQ12AA(B)MCF UQ12AA(B)MCF E DB98-15777A(1)
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Page 2: Safety Precautions
Safety Precautions The following safety precautions must be taken when using your air conditioner. Risk of electric shock. • Can cause injury or death. • Disconnect all remote electric WARNING power supplies before servicing, installing or cleaning. • This must be done by the manufacturer or its service agent or a similar qualified person in order to avoid a hazard. -
Page 3: Table Of Contents
Contents Ι ISASSEMBLE AND EASSEMBLE 1. Indoor unit 2. Outdoor unit Ι Ι ET UP THE OPTION CODE Ι Ι Ι ROUBLESHOOTING 1. Items to be checked first 2. Abnormal diagnosis by symptom Ι Λ ’ SSEMBLY DRAWING AND 1. Indoor unit 2. -
Page 4: Disassemble And Reassemble
Ι Disassemble and reassemble Stop operation of the air conditioner and remove the power cable before repairing the unit. 1 Indoor unit If you disassemble the heat exchanger, you must pump down at first. Part Procedure Remark Front Panel 1) Stop the operation of the air conditioner and block the main power. - Page 5 Part Procedure Remark Electrical 1) Take all the connector of PCB Parts on the upper part. (Included Power cord) (Main PCB) 2) Separate the outdoor unit connection wire from the terminal block. 3) If you pull out the main PCB up, it will be taken out.
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Page 6: Outdoor Unit
Ι Disassemble and reassemble (cont’d) 2 Outdoor unit I UQ09A5(6)MAF Part Procedure Remark Common Work 1) Loosen screws and separate the cover E-part. 2) Separate the connection wire from the terminal block. 3) Loosen five screws and separate the upper cabinet. 4) Loosen a screw of the control box. - Page 7 Part Procedure Remark 2) Remove the nut flange (Turn to the clockwise). 3) Separate the fan. 4) Loosen four screws to separate the motor. Heat 1) Release the refrigerant. Exchanger 2) Loosen two screws of left and right side. 3) Disassemble the inlet and outlet pipe by welding.
- Page 8 Ι Disassemble and reassemble (cont’d) I UQ12AA(B)MCF Part Procedure Remark Common Work 1) Loosen a screw and separate the cover E-part. 2) Separate the connection wire from the terminal block. 3) Loosen thirteen screws and separate the front cabinet. 4) Loosen a screw of the control box. 5) Loosen four screws and separate the side cabinet.
- Page 9 Part Procedure Remark Fan and Motor 1) Remove the nut flange (Turn to the clockwise). 2) Separate the fan. 3) Loosen four screws to separate the motor. Heat Exchanger 1) Release the refrigerant. 2) Loosen screws of left and right side. 3) Disassemble the inlet and outlet pipe by welding.
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Page 10: Ι Ι
Ι Ι Set up the option code The method for setting up the model option with the remote control N It is necessary to set up option codes after replacing the main PCB with service parts. Make sure that you can set up option codes of the remote control after replacing the main PBA. Otherwise, the unit won’t be working properly and all LED lamps on display will be flickering. - Page 11 7) If the first number is , it is correct. Otherwise, press the button until appears. 8) When pressing the button on the display, select one of them. 9) When pressing the button on the display, select one of them. 10) When pressing the button on the display, select one of them.
- Page 12 Ι Ι Set up the option code (cont’d) Table of the option code Model Option code AQ09A5MAF 016A25-1700Fb AQ09A6MAF 006A25-1700Fb AQ12AAMCF 017227-170340 AQ12ABMCF 007227-170340...
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Page 13: Ι Ι Ι
Ι Ι Ι Troubleshooting 1 Items to be checked first 1) The input voltage should be voltage rating within ±10% range. The air conditioner may not operate properly if the voltage is out of this range. 2) Is the connection cable linking the indoor unit and the outdoor unit properly? The indoor unit and the outdoor unit shall be linked by six cables. -
Page 14: Abnormal Diagnosis By Symptom
Ι Ι Ι Troubleshooting (cont’d) 2 Abnormal diagnosis by symptom I AQ09A5(6)MAF 1. No Powe Initial diagnosis 1. No Powe Initial diagnosis 1) Checklist : (1) Is input voltage normal? (2) Is AC power linked correctly? (3) Is output voltage of DC regulator IC KA78L05 (IC02) normal? (4.5VDC-5.5VDC) - Page 15 1-1 No Power-Initial diagnosis in case of the Outdoor Unit PCB of UQ12AA(B)MCF 1) Checklist : (1) Is AC voltage between “L1” and “1” of Outdoor Terminal Block is normal? (Input voltage within ±10% range) If the Output is not checked, check “L1” and “1” of Indoor Terminal Block. (2) Are Connectors linked correctly to the Outdoor PCB? (CN71, CN76, CN72, CN11) 2) Troubleshooting procedure...
- Page 16 Ι Ι Ι Troubleshooting (cont’d) 2. When the Indoor Unit Fan Does Not Operat Initial Diagnosis 2. When the Indoor Unit Fan Does Not Operat Initial Diagnosis 1) Checklist : (1) Is the indoor unit fan motor properly connected with the connector (CN72)? (2) Is the AC voltage correct? (3) Is HALL IC in the indoor fan motor properly connected with the connector (CN42)? (4) Is the running capacitor (CR71) properly connected with PCB board?
- Page 17 3. When the Outdoor Unit Does Not Operat Initial Diagnosis 3. When the Outdoor Unit Does Not Operat Initial Diagnosis 3-1 UQ09A5(6)MAF 1) Checklist : (1) Is input voltage normal? (2) Is the set temperature of the remote control higher than room temperature in the Cool mode? (3) Is the POWER IN connector (CN71) linked correctly? (4) Is the outdoor unit properly connected with the terminal block connector? 2) Troubleshooting procedure...
- Page 18 Ι Ι Ι Troubleshooting (cont’d) 3-2 UQ12AA(B)MCF 1) Checklist : (1) Is LED 01(GRN) on? (2) Are all connectors linked correctly? 2) Troubleshooting procedure Check the power supply between “L1” and “L2” of the outdoor terminal block Check the indoor PCB again Is voltage rating between “L1”...
- Page 19 4. When the UP/DOWN Louver Motor Does Not Operat Initial Diagnosis 4. When the UP/DOWN Louver Motor Does Not Operat Initial Diagnosis 1) Checklist : (1) Is input voltage normal? (2) Is the UP/DOWN louver motor properly connected with the connector (CN61)? 2) Troubleshooting procedure Remove the power cord and plug it in again in approx.
- Page 20 Ι Ι Ι Troubleshooting (cont’d) 5. When there is no warm air in the current mode 5. When there is no warm air in the current mode 1) Checklist : (1) Is the set temperature of the remote control lower than room temperature in the Heat mode? (2) Is the Indoor PCB properly connected with the CN71 connector? 2) Troubleshooting procedure After training on, the Heating starts...
- Page 21 6. When the remote control does not operate 6. When the remote control does not operate 1) Troubleshooting procedure Remove the power cord and plug it in again approx. five Seconds Does STD lamp blink? Check as the procedure “No Power” Refer to page14 The melody sounds from the indoor unit when you Normal...
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Page 22: Ι Λ
Ι Λ Assembly drawing and part’s list 1 Indoor unit 18-6 18-6-1 18-1 18-4 18-5 18-3 18-2 13-4 13-2 13-3 13-1... - Page 23 Part’s List Q’TY Code No. Description Remark AQ09A5(6)MAF AQ12AA(B)MCF DB64-00085A GRILLE-AIR INLET DB63-00064B GUARD-AIR FILTER DB95-00287K FILTER CLEANER ASS'Y DB63-00067A COVER-TEMINAL DB92-00031L ASS'Y PANEL-FRONT DB67-00051A SPACER-EVAP LOW DB67-00032A SPACER-EVAP UP DB63-00083A COVER-U BEND DB94-00020D ASS'Y-CROSS FAN DB60-20011A BOLT-SPECIAL DB31-00071A MOTOR FAN IN...
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Page 24: Outdoor Unit
Ι Λ Assembly drawing and part’s list (cont’d) 2 Outdoor unit I UQ09A5(6)MAF... - Page 25 Part’s List Code No. Description Specification Q’TY Remark DB63-00086B GUARD-FAN HSWR, IP2, 5&3, SC-90073T, NEW A-P/J 370FAN DB60-30004A NUT-FLANGE 2C, M6, SM20C, NTR DB67-00036A FAN-PROPELLER AS+G/F20%, PI 375, BLK DB31-10058G MOTOR-FAN OUT AMASS-020ZREA, FAN OUT, 115V/60Hz DB90-00264A ASS´Y FRAME (PAINT) ASS´Y DB94-00078A ASS´Y PARTITION...
- Page 26 Ι Λ Assembly drawing and part’s list (cont’d) I UQ12AA(B)MCF...
- Page 27 Part’s List Code No. Description Specification Q’TY Remark DB63-00385B GUARD FAN HSWR,OD 2.0 DB60-30020A NUT-FLANGE 2C SM20C M6 NTR DB67-50063A FAN-PROPELLER AS+G/F, D405 DB31-00242A MOTOR-FAN OUT 220/240V,60/50HZ DB90-00633N ASS'Y CABI-FRONT ASS'Y DB90-00687D ASS'Y BASE OUT ASS'Y DB61-00887A BRACKET-VALVE SECC-P DB93-02587A ASS'Y CONTROL OUT ASS'Y 2501-001237...
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Page 28: Assembly Control In
Ι Λ Assembly drawing and part’s list (cont’d) 3 Assembly control in I AQ09A5(6)MAF/AQ12AA(B)MCF... - Page 29 Part’s List Code No. Description Remark AQ09A5(6)MAF AQ12AA(B)MCF HOLDER CONTROL DB61-00160B DB61-00160B ASS’Y MAIN PCB DB93-01017E DB93-01017A ASS’Y TERMINAL BLOCK DB65-00030B DB65-00030B ASS’Y DISPLAY PCB DB93-00268A DB93-00268A CONNECTOR WIRE PCB U/D DB39-00147A DB39-00147A SCREW HOLDER CLAMP IN DB61-00219B DB61-00219B SEAL - PANEL FRONT RH...
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Page 30: Assembly Control Out
Ι Λ Assembly drawing and part’s list (cont’d) 4 Assembly control out I UQ12AA(B)MCF... - Page 31 Part’s List Description Specification Remark PLATE-CONTROL OUT SGCC-M T0.6 ASS’Y CONNECTOR WIRE-SOLENOID ASS’Y C-OIL (CAPACITOR) 35uF/450VAC CLIP-CAPACITOR SGCC-MØ50 SCREW-TAPPING 2S-M4 x L10 C-OIL(CAPACITOR) 1.5uF/450VAC TERMINAL-BLOCK 300V, 20A 5P HOLDER PCB ABS, BLK HOLDER-WIRE NYLON(BLK) SCREW-TATITE FH, M4 x L12 SCREW-TAPPING TH, M4 x L16, ZPC(YEL) SCREW-SPECIAL M4 x 8...
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Page 32: Refrigerating Cycle Block Diagram
Λ Refrigerating cycle block diagram Capillary tube 2-way valve Liquid side Heat Heat exchanger exchanger (Evaporator) (Condenser) Gas side 3-way valve 4-way valve Cooling Heating Compressor Gas leak check point Refrigerating cycle temperature and pressure Piping Temp.[°F (°C)] Use Temp. Condition[°F (°C)] STD Pressure Operating Condition (psi) -
Page 33: Λ Ι
Λ Ι Performance curve Data is based on condition of indoor humidity 50% and cooling mode Air flow should be set at HI. I AQ09A5(6)MAF Total power consumption Indoor intake air WB temperature(°F) Outdoor intake air DB temperature(°F) Total capacity Indoor intake air WB temperature(°F) - Page 34 Λ Ι Performance curve (cont’d) High pressure Indoor DB temperature(°F) Outdoor ambient DB temperature(°F) Low pressure Indoor DB temperature(°F) Outdoor ambient DB temperature(°F)
- Page 35 Suction temperature Indoor DB temperature(°F) Outdoor ambient DB temperature (°F) Discharge temperature Indoor DB temperature (°F) Outdoor ambient DB temperature (°F)
- Page 36 Λ Ι Performance curve (cont’d) I AQ12AA(B)MCF Changes in the dotted box are caused by the RPM change of outdoor fan. Total power consumption Indoor intake air WB temperature(°F) Outdoor intake air DB temperature(°F) Total capacity Indoor intake air WB temperature(°F) Outdoor intake air DB temperature(°F)
- Page 37 High pressure Indoor DB temperature(°F) Outdoor ambient DB temperature(°F) Low pressure Indoor DB temperature(°F) Outdoor ambient DB temperature(°F)
- Page 38 Λ Ι Performance curve (cont’d) Suction temperature Indoor DB temperature(°F) Outdoor ambient DB temperature(°F) Discharge temperature Indoor DB temperature(°F) Outdoor ambient DB temperature(°F)
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Page 39: Λ Ι Ι
Λ Ι Ι Wiring diagram 1 Indoor unit I AQ09A5(6)MAF/AQ12AA(B)MCF This document can not be used without Samsung’s authorization. -
Page 40: Outdoor Unit
Λ Ι Ι Wiring diagram (cont’d) 2 Outdoor unit I UQ09A5(6)MAF C1 : 4µF x 450VAC C2 : 45µF x 370VAC This document can not be used without Samsung’s authorization. - Page 41 I UQ12AA(B)MCF C1 : 1.5µF x 450VAC C2 : 35µF x 450VAC This document can not be used without Samsung’s authorization.
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Page 42: Λ Ι Ι Ι
Λ Ι Ι Ι Schematic diagram 1 Indoor unit I AQ09A5(6)MAF/AQ12AA(B)MCF This document can not be used without Samsung’s authorization. -
Page 43: Outdoor Unit
2 Outdoor unit I UQ12AA(B)MCF This document can not be used without Samsung’s authorization. - Page 44 ELECTRONICS This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable lnternational and/or domestic law.