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Sanyo KMS2472, KMS1872 service manual Applicable Multi-Outdoorunits

Models: KMS1872 KMS2472

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APPLICABLE MULTI-OUTDOOR UNITS

Multi-Outdoor Unit	3-Room	4-Room	4-Room	3-Room	4-Room	4-Room
Indoor Unit	CM1972	CM2472	CM3172	CLM1972	CLM2472	CLM3172
KMS0772	YES	YES	YES	YES	YES	YES
KMS0972	YES	YES	YES	YES	YES	YES
KMS1272	YES	YES	YES	YES	YES	YES
KMS1872	YES	YES	YES	YES	YES	YES
KMS2472	NO	YES	YES	NO	YES	YES

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Sanyo KMS2472, KMS1872 service manual Applicable Multi-Outdoorunits

Contents

INDOOR UNIT KMS0772 KMS0972 KMS1272 KMS1872 KMS2472DC INVERTER MULTI-SYSTEMAIR CONDITIONER KMS0772 KMS0972 KMS1272 KMS1872 KMS2472SPECIAL PRECAUTIONS When TransportingWhen Installing WARNING When WiringTable of Contents 2. SPECIFICATIONS4. REFRIGERANT FLOW DIAGRAM 8. TROUBLESHOOTINGAPPLICABLE MULTI-OUTDOORUNITS 1. OPERATING RANGE TemperatureIndoor Air Intake Temp Outdoor Air Intake Temp2. SPECIFICATIONS 2-1.Unit SpeciﬁcationsFeatures Dimensions & WeightFeatures Dimensions & Weight208V TypeFeatures Dimensions & Weight230V TypeFeatures Dimensions & Weight208V TypeFeatures Dimensions & Weight230V TypeFeatures Dimensions & Weight208V TypeFeatures Dimensions & Weight230V TypeFeatures Dimensions & Weight208V TypeFeatures Dimensions & Weight230V TypeFeatures Dimensions & Weight208V Type2-2.Major Component Speciﬁcations 2-2-1.Indoor UnitRemote Control Unit Control PCBRemote Control Unit Control PCBFan Motor Flap MotorRemote Control Unit Control PCBFan Motor Flap MotorRemote Control Unit Control PCBFan Motor Flap MotorRemote Control Unit Control PCBFan Motor Flap Motor2-3.Other Component Specifications Temperature F CResistance k ohm Resistance k ohm3. DIMENSIONAL DATA KMS0972 KMS1272Indoor Unit KMS1872KMS2472 Unit inchmm4. REFRIGERANT FLOW DIAGRAM 4-1.Refrigerant Flow Diagram5-1.Air Throw Distance Charts 5. PERFORMANCE DATACooling Cooling Cooling Cooling 6-1.Electric Wiring Diagrams 6. ELECTRICAL DATAand/or cleaning any electrical parts Indoor Unit KMS1872 KMS24727. FUNCTIONS 7-1.Operation FunctionsEmergency operation SENSOR DRYHIGH POWER Timer backupNIGHT SETBACK Lamp colorsFreeze prevention 7-2.Protective FunctionsNOTE CLxx models only 8-2.Method of Self-Diagnostics 8. TROUBLESHOOTINGPROCEDURE 1Self-diagnosticsLamps 2If the self-diagnosticsfunction fails to operate Check the power voltage BlownCheck the indoor unit Is the fuse blown? Normal8-3.Checking the Indoor and Outdoor Units 8-4.Trouble Diagnosis of Fan Motor 8-4-1.Indoor Fan MotorLocations most susceptible to noise TroubleCorrection Locations most susceptible to noiseKMS0772 KMS0972 KMS1272 KMS1872 KMS2472 Features Alert Symbols ContentsProduct Information Safety Instructions Installation LocationElectrical Requirements Names of Parts Remote control unit Drain hose Refrigerant tubesRemote Control Unit Air intakes INDOOR UNIT Air outletUnit Display and Operation Button Remote Control Unit Display Remote Control Unit Remote Control Unit continued HIGH POWER buttonQUIET button COOLUsing the Remote Control Unit Remote Control Unit continuedUsing the Remote Control Unit continued Operation with the Remote Control Unit 1. Operation2.Adjusting the Fan Speed Operation with the Remote Control Unit continued3.Fan Only 4. Night Setback Mode Operation with the Remote Control Unit continuedSetting temperature6. HIGH POWER Mode 5. QUIET Mode7. ION Mode Operation with the Remote Control Unit continuedRemote Control Unit Special Remarks‘‘DRY’’ Operation Cooling OperationSetting the Timer 1.How to set the present timeSetting the Timer continued REPEAT timerUsing the 1-HourOFF Timer Tips for Energy SavingAdjusting the Airflow Direction Operation without the Remote Care and CleaningControl Unit Care and Cleaning continued CleaningAnti-MoldFilter attached to the rear of the airCare and Cleaning continued Air Clean FilterHow to clean the air clean filter Air clean filterTroubleshooting Operating RangeTrouble Possible CauseAPPENDIX B INSTALLATION INSTRUCTIONS KMS0772 KMS0972 KMS1272 KMS1872 KMS2472Contents For Indoor UnitINSTALLATION INSTRUCTIONS Inverter Split System Air ConditionerSPECIAL PRECAUTIONS In Case of Improper InstallationWARNING When Wiring When Transporting1. General 2. Installation Site Selection 2-1.Indoor UnitAVOID Fig.2-2.Embedding the Tubing and Wiring 3. How to Install the Indoor Unit 3-1.Remove the Rear Panel from the Unit3-2.Make a Hole Fig. 9aPage 3-4.Remove the Grille to Install the Indoor Unit How to remove the grille How to replace the grille3-4-2.Indoor unit types KMS1872, KMS2472 Fig. 19b-13-6.Wiring Instructions General precautions on wiring3-5.Shape the Indoor Side Tubing Fig. Fig3-7.Wiring Instructions for Inter-unitConnections Plastic cover Wiring 10 25 cmInter-unitwiring Earth plate Lock nut Top of conduit connectorLoose wiring may cause the 3-8.Mounting Right-sidetubingFig. 37a Fig. 37bLeft-sidetubing 3-9.Drain Hose To unmount indoor unitRisk of Electric Shock Fig. 59a Fig. 59b 4. How to Test Run the Air ConditionerFig. 59c 5. Remote Control Unit Installation Position 5-1.Mounting on a Wall6. Address Switch 6-1.Address Setting of the Remote Control Unit7. Connecting a Home Automation device 8. Installation Check SheetFor Parts Service Contact SANYO Fisher Service CompanyA Division of SANYO North America Corporation Sanyo Canada Inc