Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo service manual KS1872 + C1872 + CL1872 KS2472 + C2472 + CL2472, OI-852-6-4180-800-00-0

Models: CL1872 CL2472 C1872 C2472

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APPENDIX INSTRUCTION MANUAL

KS1872 + C1872 + CL1872

KS2472 + C2472 + CL2472

(OI-852-6-4180-800-00-0)

Page 64

Image 64

Sanyo service manual KS1872 + C1872 + CL1872 KS2472 + C2472 + CL2472, OI-852-6-4180-800-00-0

Contents

KS1872 + C1872 + CL1872 KS2472 + C2472 + CL2472 Pay special attention when servicing the unitDC INVERTER SPLIT SYSTEM AIR CONDITIONER KS1872SPECIAL PRECAUTIONS When TransportingWhen Installing WARNING When WiringTable of Contents SPECIFICATIONS4. REFRIGERANT FLOW DIAGRAM 7. INSTALLATION INSTRUCTIONS10. TROUBLESHOOTING SPECIAL PRECAUTIONS WHEN SERVICING UNIT11. CHECKING ELECTRICAL COMPONENTS 12.REFRIGERANT R410A1. OPERATING RANGE TemperatureTemperature Models KS1872 + C18722. SPECIFICATIONS 2-1.Unit SpecificationsFeatures Dimensions & WeightFeatures Dimensions & WeightVoltage Rating PerformanceFeatures Dimensions & WeightVoltage Rating PerformanceFeatures Dimensions & WeightVoltage Rating PerformanceFeatures Dimensions & WeightVoltage Rating PerformanceFeatures Dimensions & WeightVoltage Rating PerformanceFeatures Dimensions & WeightVoltage Rating PerformanceFeatures Dimensions & WeightVoltage Rating Performance2-2.Major Component Specifications 2-2-1.Indoor UnitRemote Control Unit Control PCBRemote Control Unit Control PCBFan Motor Flap Motor2-2-2.Outdoor Unit Control PCBCompressor Fan MotorControl PCB CompressorFan Motor Heat Exchanger CoilControl PCB CompressorFan Motor Heat Exchanger CoilControl PCB CompressorFan Motor Heat Exchanger Coil2-3.Other Component Specifications Indoor UnitKS1872 KS2472Indoor Unit KS1872 3. DIMENSIONAL DATAKS2472 Outdoor Unit C1872 CL1872Outdoor Unit C2472 CL24724. REFRIGERANT FLOW DIAGRAM 4-1.Refrigerant Flow DiagramInsulation of Refrigerant Tubing Indoor Unit KS1872Cooling Characteristics 5-1.Temperature Charts5. PERFORMANCE DATA Cooling Characteristics Indoor Unit KS1872 Outdoor Unit CL1872Cooling Characteristics Indoor Unit KS2472 Outdoor Unit C2472Cooling Characteristics Indoor Unit KS2472 Outdoor Unit CL24725-2.Air Throw Distance Charts Indoor Unit KS24726-1.Electrical Characteristics 6. ELECTRICAL DATAIndoor Unit KS1872Indoor Unit KS2472Outdoor Unit CL24726-2.Electric Wiring Diagrams and/or cleaning any electrical partsand/or cleaning any electrical parts Outdoor Unit C1872CL1872 8FA2-5257-68600-2Outdoor Unit C2472 and/or cleaning any electrical parts8FA2-5257-68700-3 Outdoor Unit CL2472 and/or cleaning any electrical parts8FA2-5257-68400-3 7. INSTALLATION INSTRUCTIONS 7-1.Installation Site Selection7-1-1.Indoor Unit To prevent abnormal heat7-1-2.Outdoor Unit 7-2.Recommended Wire Length and Diameter Each wire must be firmly connected7-3.Remote Control Unit Installation Position 7-3-1.Mounting on a WallFig. 8a Fig. 8b 7-4.How to Test Run the Air ConditionerFig. 8c 7-5.Remove the Grille to Install the Indoor Unit How to remove the grilleHow to replace the grille Fig. 12b8. MAINTENANCE 8-1.Address Setting of the Remote Control UnitHow to Connect How to DisconnectPull the cover upward 9. FUNCTIONS 9-1.Operation FunctionsEmergency operation SENSOR DRYHIGH POWER Timer backupNIGHT SETBACK Lamp colorsCompressor discharge temperature control 9-2.Protective FunctionsFreeze prevention CT Peak current cut-offcontrol10-2.Method of Self-Diagnostics 10. TROUBLESHOOTINGPROCEDURE 1Self-diagnosticsLamps 2If the self-diagnosticsfunction fails to operate Check the power voltage BlownCheck the indoor unit Is the fuse blown? Normal10-3.Checking the Indoor and Outdoor Units Using the TEST/T-RUNterminals1 Checking the indoor unit Control10-4.Trouble Diagnosis of Fan Motor 10-4-1.Indoor Fan MotorDiagnostic procedure Diagnostic results10-4-2.Outdoor Fan Motor Diagnostic procedureDiagnostic results Remedy for symptom 3 to1 Noise malfunction 2 Electromagnetic interferenceLocations most susceptible to noise Trouble11-1-1.Power Supply Cord 11. CHECKING ELECTRICAL COMPONENTS11-1.Measurement of Insulation Resistance 11-1-2.Indoor Unit11-2.Checking Continuity of Fuse on PCB Assy Fuse PCB AssySPECIAL PRECAUTIONS WHEN SERVICING UNIT 12-1.Characteristics of New Refrigerant R410A12-1-1.What is New Refrigerant R410A? 12-1-3.Characteristics12-2.Checklist before Servicing Tubing precautionsSize of flare No addition of compressor oil for R410A12-4.Tubing Installation Procedures 12-3.Tools Specifically for R410ATool Distinction Tool Name12-5-1.Procedure for Replacing Compressor 12-5.In Case of Compressor Malfunction1 Recovering refrigerant 2 Replacing CompressorConfiguration and characteristics of cylinders 5 RechargingNever charge a large amount the unit. This may cause12-6.In Case Refrigerant is Leaking 2 Recovering refrigerant1 Detecting Leaks 3 Welding leaking points12-7-1.When Tubes are Extended 12-7.Charging Additional Refrigerant12-8. Retro-FittingExisting Systems 12-8-1.Use of Existing UnitsKS1872 + C1872 + CL1872 KS2472 + C2472 + CL2472 OI-852-6-4180-800-00-0Features 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 Anti-moldfilterCare and Cleaning continued Air Clean FilterTroubleshooting Operating RangeTrouble Possible CauseFor Parts Service Contact SANYO Fisher Service CompanyA Division of SANYO North America Corporation Sanyo Canada Inc