Samsung AQA18C0ME Service Manual

SERVICEManualCONTENTSAIR CONDITIONER1. Precautions2. Product Specifications3. Operating lnstructions and Installation4. Disassembly and Reassembly5. T

3-1Samsung Electronics3. Operating Instructions and Installation3-1 Operating InstructionsTo select the 5 way function with the remote control, press

Operating Instructions and InstallationSamsung Electronics3-21. AUTO MODE : In this mode, operationmode(COOL, HEAT) is selected automati-cally by the

Operating Instructions and Installation3-3Samsung Electronics8. COMPULSORY OPERATION : For operating the air conditioner withoutthe remote controller.

Samsung Electronics3-43-2 Installation3-2-1 Selecting Area for Installation Select an area for installation that is suitableto the customer's ne

Operating Instructions and Installation3-5Samsung ElectronicsCut the piping holesloped slightly3-2-2 Installation diagram of indoor unit and outdoor

Operating Instructions and InstallationSamsung Electronics3-63-2-2(a) Fixing the Installation Plate3-2-2(b) Purging the UnitInstallation platePipe h

Operating Instructions and Installation3-7Samsung Electronics3-2-2(c) Connecting the Assembly Cable.N1 L1 1 2 3 443211EE234N1 L1N

Operating Instructions and InstallationSamsung Electronics3-83-2-2(e) Outdoor unit installationWiring connection1. Remove the cover-E parts.2. Firm

Operating Instructions and Installation3-9Samsung Electronics3-2-2(f) Air-Purge Procedure1. Connect each assembly pipe to the appropriate valve on t

Operating Instructions and InstallationSamsung Electronics3-103-2-2(g) Refrigerant Refill• Refill an air-conditioner with refrigerant when refrigeran

1-1Samsung Electronics1. Warning: Prior to repair, disconnect thepower cord from the circuit breaker.2. Use proper parts: Use only exact replace-men

Operating Instructions and Installation3-11Samsung Electronics3-2-2(h) Refrigerant Adjustment3-2-2(i) Flare nut fixing torqueClass For installation

Operating Instructions and InstallationSamsung Electronics3-123-2-2(j) "Pump down" Procedure• Pump down shall be carried out when an evapor

4-1Samsung Electronics4. Disassembly and Reassembly4-1 Indoor UnitStop operation of the air conditioner and remove the power cord before repairing the

Samsung ElectronicsDisassembly and ReassemblySamsung Electronics4-2No Parts Procedure Remark234Ass’y Tray Drain.Electrical Parts(Main PCB)Heat Exchang

4-3Samsung ElectronicsDisassembly and ReassemblyNo Parts Procedure Remark5 Fan Motor andCross Fan1) Do “1” “2” ”3” “4”, above.2) Loosen the fixing thr

Samsung Electronics4-44-2 Outdoor UnitNo Parts Procedure Remark12CabinetFan Motor &Propeller Fan1) Turn off the unit and remove the powercable.2)

5-1Samsung Electronics1) The input voltage should be rating voltage ±10% range. The airconditioner may not operate properly if the voltage is out of t

Samsung Electronics5-25-2 Fault Diagnosis by Symptom5-2-1 No Power (completely dead)-Initial diagnosis1) Checklist :(1) Is input voltage normal? (the

Troubleshooting5-3Samsung Electronics5-2-2 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis)1) Checklist :(1) Is the indoor unit fan moto

TroubleshootingSamsung Electronics5-45-2-3 When the Outdoor Unit Does Not Operate. (Initial Diagnosis)1) Checklist :(1) Is input voltage normal? (the

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Troubleshooting5-5Samsung Electronics5-2-4 When the UP/DOWN Louver Moter Does Not Operate. (Initial Diagnosis)1) Checklist :(1) Is input voltage norma

TroubleshootingSamsung Electronics5-65-2-6 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis)1) Troubleshooting procedureRemove po

5-7Samsung Electronics5-3 Replace PCB module5-3-1 Replace PCB moduleRemove power cordReplace the PCB moduleCheck the connection and plug inDoes all di

TroubleshootingSamsung Electronics5-8• It is necessary to set up option code after replacing the main-PBA as a service parts.Make sure that you can se

Troubleshooting5-9Samsung Electronics! If the first number is , it is correct otherwise press until appear.@ When pressing the button ~ appear on

TroubleshootingSamsung Electronics5-10 OPTION ITEMSREMOCONMODELSEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12AQA24C5MESH24AC5AQA24C6ME

5-11Samsung Electronics5-4 PCB Inspection5-4-1 Cautions for Part Replacement5-4-2 ProcedureThe parts should be replaced in the following procedure.1.

TroubleshootingSamsung Electronics5-125-4-3 Detailed ProcedureNo.123MalfunctionPull out the power plug from theAC terminal and confirm the fuseon the

6-1Samsung Electronics6. Exploded Views and Parts List6-1 Indoor Unit1241-16-26-31351011141215R17R or 16R178799-13-33-233-16-16-16RYou can search for

Samsung Electronics6-2Exploded Views and Parts List Parts ListNo.1 DB92-00265B ASSY FRONT PANEL ASSY 1 11-1 DB64-00359A GRILL AIR INLET HIPS 1 12 DB63

2-1Samsung Electronics2. Product Specifications2-1 TableModelItemPower SourseCapacity KWAir circulation (High) m3/minMoisture removal (High) Liters/hA

6-3Samsung Electronics413251161681097141515-215-615-415-315-515-11313-112-412-512-112-21212-317-1 17-317-517-617-217-717-46-2 Outdoor Unit6-2-1 18K BT

Samsung Electronics6-4Exploded Views and Parts List Parts ListNo.1 DB64-60030D CABINET FRONT ASSY 12 DB90-20160F ASSY BASE-OUT ASSY 13 DB67-50063A FAN

6-5Samsung ElectronicsExploded Views and Parts List6-2-2 24K BTU15-615-115-515-415-315-215-213-114910342111137166517812-312-412-112-21217-117-417-517-

Samsung Electronics6-6Exploded Views and Parts List Parts ListNo.1 DB90-00652P ASSY-CABI FRONT ASSY 12 DB90-20210G ASSY-BASE OUT ASSY 13 DB67-50074A F

6-7Samsung Electronics6-3 Remote Control & PCB Box6-3-1 Remote Control (DB93-00251L)1 Parts ListNo1DescriptionASS’Y PCB REMOCONBATTERY COVERSpecif

Samsung Electronics6-8Exploded Views and Parts List6-3-2 PCB Box4123 Parts ListNo1234PD-SH30ZC-00DB32-00027BDB93-00926ADB39-00172AASS'Y MAIN PCBA

7-1Samsung Electronics7-17. Block Diagrams7-1 Refrigerating Cycle Block DiagramINDOOR UNITOUTDOOR UNITHeatexchanger(Evaporator)Gas side3-way valve2-wa

Samsung Electronics8-18. PCB Diagrams8-1 Main PCB8-1-1 Indoor Unit (PD-SH30ZC-00/PD-SH30ZC-02) DB98-05230A(1)-2 4/18/02 5:06 PM Page 7-2

8-2Samsung ElectronicsPCB Diagrams Parts List1 C103 C-CERAMIC,DISC 2.2nF,20%,400V,Y5U,TP,12. 12 C702 C-FILM,MPPF 100nF,10%,275V,BK,18x6x12,15 13 CR71

Samsung Electronics8-3PCB Diagrams ASS’Y MODULE PCB : DB93-00926A ASS’Y CENTER DISPLAY : DB93-00860A Parts ListNO Description Specification Q’TYPCB

Samsung Electronics2-22-2 Major Component specifications Indoor unitModelPart No.ControlsControl circuit fuseTypeDia. and length mmFan motor modelPols

9-1Samsung Electronics9. Wiring Diagrams9-1 Indoor Unit DB98-05230A(1)-2 4/18/02 5:06 PM Page 9-1

Samsung Electronics9-29-2 Outdoor Unit SH24AC5(6)X, SH18AC9(0)XMARK NAME MARK NAMEPR POWER-RELAY T1 1, 2 TERMINAL BLOCK20S SOLENOID COIL CHC1 CAPACIT

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Samsung ElectronicsSamsung Electronics 10-210-110. Schematic Diagrams10-1 Indoor Unit

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UPDATE LOG SHEETApplication date Page Part# Note(Cause & Solution) S/Bulletin#Use this page to keep any special servicing information. (Service Bu

ELECTRONICS© Samsung Electronics Co., Ltd. Apr. 2002.Printed in Korea.Code No. DB98-05230A(1) DB98-05230A(1)-cover 4/18/02 5:03 PM Page 2

2-3Samsung Electronics2-3 Dimensions2-3-1 Indoor Unit2751080(Remote control)2245115✳The feature is subject to be varied as a model.(Front view)Install

Samsung Electronics2-4Product Specifications 18K BTU(Front view) (Rear view)3206205827873402-3-2 Outdoor Unit 24K BTU(Front view) (Rear view)3106386

2-5Samsung Electronics2-4 Pressure Graph 24K BTU10987620 25 30 35Outdoor drybulb temp [deg C]Low Pressure [kg/cm2G]4030.6/22.527/1921.5/14.610987620

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