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Samsung MH026FNCA service manual 10-5Flare Nut Fixing Torque, Samsung Electronics, 10-8

Models: MH026FNCA

1 108

Page 96

10-5 Flare Nut Fixing Torque

Outer diameter		Torque(kg..cm)
	Fixing Torque		Final Torque

ø 1/4 inch	160		200
(Liquid Side)	160		200
(Liquid Side)

ø 3/8 inch	300		350
(Gas Side)	300		350
(Gas Side)

ø 1/2 inch	500		550
(Gas Side)	500		550
(Gas Side)

Samsung Electronics

10-8

Page 96

Image 96

Samsung MH026FNCA service manual 10-5Flare Nut Fixing Torque, Samsung Electronics, 10-8

Contents

INDOOR UNIT THE FEATURE OF PRODUCTConvenient Installation FREE JOINT MULTI AIR CONDITIONERContents 10-1 11-1Contents 9-121. Precautions 1-1Installing the air conditioner1-2Power supply and circuit breaker 1-3During operation1-4Disposing of the unit 1-5OthersSamsung Electronics 2. Product Specifications 2-1The Feature of ProductConvenient Installation Inverter for High Efficiency Operation2-2Product Specifications ModelMH026FNCA ItemProduct Specificationscont Samsung ElectronicsProduct Specificationscont ModelMH026FECA MH035FECAProduct Specificationscont Samsung ElectronicsQFGN :&#$2-3Accessory and Option Specifications 2-3-1Indoor Unit AccessoriesMHFNCA +VGOIndoor Unit Accessoriescont MHFECAItem DescriptionsIndoor Unit Accessoriescont MHFECAcontItem Descriptions2-3-2Outdoor Unit Accessories MH050FXCA2A/MH080FXCA4A+VGO &GUETKRVKQPU2-3-3Transmitter Unit Accessories ItemHECJIAJP=J@@FQOPIAJPO NNKNIK@A=J@?DA?GIAPDK@&J@KKN2JEP +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 • Error Mode Samsung ElectronicsStep 4 : Pressing the ON/OFF button Step 5 : Unit operation test-runOption Code Procedure for MH Neo Forte TECHNICAL BULLETINTable of the option code MODELOPTION CODE 4. Disassembly and Reassembly Necessary ToolsItem Remark4-1Indoor Unit 4-1-1MH026FNCA/MH035FNCA/MH052FNCAProcedure RemarkProcedure Samsung ElectronicsRemark Procedure PartsRemark 4-1-2MH026FECA/MH035FECA ProcedureRemark PartsProcedure PartsUnscrew a screw 6Disassemble the band Motor for fixing the MotorProcedure Samsung ElectronicsRemark 1 Disassemble the Cabinet Top EvapProcedure Parts1-3and the Drain Pan 2-1, 2-2, Procedure Samsung ElectronicsParts Procedure Disassembly and ReassemblyParts Disassemble if after disassembling the case PCB4-1-3MH052FECA ProcedureSamsung Electronics 4-11Procedure PartsBlower & Motor Procedure Samsung Electronics4-13 PartsProcedure Disassembly and ReassemblyParts Drain PanProcedure Samsung Electronics4-15 PartsProcedure 1Detach all the wires connected to the PCBParts RemarkProcedure Samsung Electronics4-17 Parts4-2Outdoor Unit 4-2-1MH050FXCA2AProcedure RemarkProcedure Samsung Electronics4-19 PartsProcedure RemarkRelease the refrigerant at first 4-2-2MH080FXCA4A ProcedureSamsung Electronics 4-21Procedure Disassembly and ReassemblyParts RemarkSamsung Electronics 4-23Remark TLHK@A@3EASO=J@-=NPOEOP &J@KKN2JEP*%#+ *%#+ 2CTVU.KUV 5COUWPINGEVTQPKEU%QFG0Q &GUETKRVKQP5-1-2MH052FNCA 6 7Samsung Electronics 2CTVU.KUV 5COUWPINGEVTQPKEU5-1-3MH026FECA/MH035FECA Exploded Views and Parts List2 17 18 16 19 21Parts List Samsung Electronics5-1-4MH052FECA Exploded Views and Parts List2 2 8 2 10 9 6Parts List Samsung Electronics5-2Outdoor Unit 5-2-1MH050FXCA2A11 12 3 1 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 0*&+ - Ġ,QP@KKN2JEP %#5 *%#5 2QYGT0 2QYGT9. Troubleshooting 9-1Items to be checked first9-2Checking and Testing operations 2. Settings of PCB Display of the Outdoor unitReset button Samsung Electronics2.2.Apply the power to the outdoor unit Samsung Electronics Switch Setting and Testing Operation In case of MANUAL ADDRESSING modeSwitch Setting and Testing Operation cont SWITCH “SW02 ”Samsung Electronics TYPESwitch Setting and Testing Operation cont Please do cool mode try-runor heat mode try runCool mode try-run :Pushthe K2 button three times 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 FlowBasic Check Flowcont Troubleshooting9-13 Samsung Electronics9-3-2Checking Outdoor Controller Samsung Electronics9-14 LED1 Red : ALWAYS ON5.Checking DC voltage on each point 9-3-4Checking Power cable and Communication cable 9-3-5Checking Temperature sensor9-3-3Checking Indoor controller Samsung Electronics DA?GEJC3 -ELAI=P?DEJC5GGCWNV&KCIPQUKUQH/CLQT2CTVU %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 10-1-3Remote Control Unit 10-1-2Outdoor UnitSamsung Electronics 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 11. Reference Information 11-1Index for Model NameFREEJOINTMULTIFOREUROPE 4 A / O O OIndex for Model Name cont FREEJOINTMULTIFOREUROPE07 / O O O Product Type11-2Refrigerating Cycle Diagram MH050FXCA2A11-3 Samsung ElectronicsMH080FXCA4A Samsung Electronics11-4 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 11-6Common sense of refrigeration 11-6-1Air supplierAir supplier? Effectiveness of air supplierGSPNGlobal Service Partner Network ELECTRONICS