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Samsung MH026FNCA service manual MH080FXCA4A, Samsung Electronics, 11-4, Reference Information

Models: MH026FNCA

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Reference Information

■MH080FXCA4A

Samsung Electronics

11-4

Page 102

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Samsung MH026FNCA service manual MH080FXCA4A, Samsung Electronics, 11-4, Reference Information

Contents

Convenient Installation INDOOR UNITTHE FEATURE OF PRODUCT FREE JOINT MULTI AIR CONDITIONERContents Contents 10-111-1 9-121-2Power supply and circuit breaker 1. Precautions1-1Installing the air conditioner 1-3During operation1-4Disposing of the unit 1-5OthersSamsung Electronics Convenient Installation 2. Product Specifications2-1The Feature of Product Inverter for High Efficiency OperationMH026FNCA 2-2Product SpecificationsModel ItemProduct Specificationscont Samsung ElectronicsMH026FECA Product SpecificationscontModel MH035FECAQFGN Product SpecificationscontSamsung Electronics :&#$MHFNCA 2-3Accessory and Option Specifications2-3-1Indoor Unit Accessories +VGOItem Indoor Unit AccessoriescontMHFECA DescriptionsItem Indoor Unit AccessoriescontMHFECAcont Descriptions+VGO 2-3-2Outdoor Unit AccessoriesMH050FXCA2A/MH080FXCA4A &GUETKRVKQPU2-3-3Transmitter Unit Accessories Item&J@KKN2JEP HECJIAJP=J@@FQOPIAJPONNKNIK@A=J@?DA?GIAPDK@ +PFKECVQTUMHFECA Samsung ElectronicsAlignment and Adjustments MHFECAcont3-1-2Outdoor Unit Samsung ElectronicsOutdoor Unitcont 3-2Setting Option Setup Method Step 1 : Enter the Option Setup modeex Option No Alignment and Adjustments Step 4 : Pressing the ON/OFF button • Error ModeSamsung Electronics Step 5 : Unit operation test-runOption Code Procedure for MH Neo Forte TECHNICAL BULLETINTable of the option code MODELOPTION CODE Item 4. Disassembly and ReassemblyNecessary Tools RemarkProcedure 4-1Indoor Unit4-1-1MH026FNCA/MH035FNCA/MH052FNCA RemarkProcedure Samsung ElectronicsRemark Procedure PartsRemark Remark 4-1-2MH026FECA/MH035FECAProcedure PartsUnscrew a screw ProcedureParts 6Disassemble the band Motor for fixing the MotorRemark ProcedureSamsung Electronics 1 Disassemble the Cabinet Top EvapProcedure Parts1-3and the Drain Pan 2-1, 2-2, Procedure Samsung ElectronicsParts Parts ProcedureDisassembly and Reassembly Disassemble if after disassembling the case PCBSamsung Electronics 4-1-3MH052FECAProcedure 4-11Procedure PartsBlower & Motor 4-13 ProcedureSamsung Electronics PartsParts ProcedureDisassembly and Reassembly Drain Pan4-15 ProcedureSamsung Electronics PartsParts Procedure1Detach all the wires connected to the PCB Remark4-17 ProcedureSamsung Electronics PartsProcedure 4-2Outdoor Unit4-2-1MH050FXCA2A Remark4-19 ProcedureSamsung Electronics PartsProcedure RemarkRelease the refrigerant at first Samsung Electronics 4-2-2MH080FXCA4AProcedure 4-21Parts ProcedureDisassembly and Reassembly RemarkSamsung Electronics 4-23Remark *%#+ *%#+ TLHK@A@3EASO=J@-=NPOEOP&J@KKN2JEP %QFG0Q 2CTVU.KUV5COUWPINGEVTQPKEU &GUETKRVKQP5-1-2MH052FNCA 6 7Samsung Electronics 2CTVU.KUV 5COUWPINGEVTQPKEU2 17 18 16 5-1-3MH026FECA/MH035FECAExploded Views and Parts List 19 21Parts List Samsung Electronics2 2 8 2 5-1-4MH052FECAExploded Views and Parts List 10 9 6Parts List Samsung Electronics11 12 3 1 5-2Outdoor Unit5-2-1MH050FXCA2A 82CTVU.KUV Samsung Electronics5-10 5-2-2MH080FXCA4A 56 10 20 4 13 15 21 14 Parts List Samsung Electronics5-12 6. Wiring Diagram 6-1Indoor UnitMHFNCA &J@KKN2JEPĠ?KJP %# A6-2Outdoor Unit MH050FXCA2AMH080FXCA4A Samsung Electronics7. Schematic Diagram 7-1Indoor UnitMHFNCA MHFECA Samsung Electronics8. PCB Diagram 8-1MAIN PCBIndoor UnitMHFNCA 02- Ġ&J@KKN2JEP Ġ?KJP MHFNCASamsung Electronics MHFECA 5 6 7 8 9 02QYGT0 *&+ - Ġ,QP@KKN2JEP%#5 *%#5 2QYGT9. Troubleshooting 9-1Items to be checked firstReset button 9-2Checking and Testing operations2. Settings of PCB Display of the Outdoor unit Samsung Electronics2.2.Apply the power to the outdoor unit Samsung Electronics Switch Setting and Testing Operation In case of MANUAL ADDRESSING modeSamsung Electronics Switch Setting and Testing Operation contSWITCH “SW02 ” TYPECool mode try-run :Pushthe K2 button three times Switch Setting and Testing Operation contPlease do cool mode try-runor heat mode try run Heat mode try-run :Pushthe K2 button onceManaul address setting Samsung ElectronicsAuto address setting Address setting another caseOperation case Samsung Electronics9-10 Try-runCheck Error 9-3Fault Diagnosis by Symptom 9-3-1Basic Check Flow9-13 Basic Check FlowcontTroubleshooting Samsung Electronics9-14 9-3-2Checking Outdoor ControllerSamsung Electronics LED1 Red : ALWAYS ON5.Checking DC voltage on each point 9-3-3Checking Indoor controller 9-3-4Checking Power cable and Communication cable9-3-5Checking Temperature sensor Samsung Electronics5GGCWNV&KCIPQUKUQH/CLQT2CTVU DA?GEJC3-ELAI=P?DEJC %WTTGPV8UVGRXCNWGECPOQPKVQTGFYKVJ8+9/1&9-4-1Cautions for Part Replacement 9-4-2Procedure9-4PCB Inspection 10. Reference for Installation 10-1Selecting Area for Installation10-1-1Indoor Unit Samsung Electronics 10-1-3Remote Control Unit10-1-2Outdoor Unit 10-210-2Connecting Up and Purging the Circuit MH050FXCA2AMH080FXCA4A Samsung Electronics10-4 10-3Refrigerant Refill 10-3-1MH050FXCA2A10-3-2MH080FXCA4A Samsung Electronics10-6 /ABNECAN=JP@FQOPIAJP %5#5CA*%8#5C4A10-5Flare Nut Fixing Torque Samsung Electronics10-8 10-6Pump down Procedure 10-6-1MH050FXCA2A10-6-2MH080FXCA4A Samsung Electronics10-10 FREEJOINTMULTIFOREUROPE 11. Reference Information11-1Index for Model Name 4 A / O O O07 / O O O Index for Model Name contFREEJOINTMULTIFOREUROPE Product Type11-3 11-2Refrigerating Cycle DiagramMH050FXCA2A Samsung Electronics11-4 MH080FXCA4ASamsung Electronics Reference InformationPower/Heat 11-3Pressure & Capacity mark11-5Q & A for Non-trouble Samsung Electronics11-6 Q & A for Non-troublecont Q & A for Non-troublecont Samsung Electronics11-8 Air supplier? 11-6Common sense of refrigeration11-6-1Air supplier Effectiveness of air supplierGSPNGlobal Service Partner Network ELECTRONICS