Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo CH1852, CH0952 Printed circuit board POW-KHS125Afor KHS1251, Top view, Bottom view

Models: KHS1852-S CH0952 CH1852

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(6) Printed circuit board POW-KHS125A (for KHS1251)

Top view

Bottom view

Page 42

Image 42

Sanyo CH1852, CH0952, KHS1852-S service manual Printed circuit board POW-KHS125Afor KHS1251, Top view, Bottom view

Contents

KHS1852 CH1852 KHS0951 / CH0951 KHS1251 / CH1251KHS1852 / CH1852 KHS0951 KHS1251When Connecting Refrigerant Tubing In Case of Improper InstallationWhen Installing… When ServicingTable of Contents CHECKING ELECTRICAL COMPONENTS APPENDIXIndoor Air Intake Temp 1. OPERATING RANGETemperature Outdoor Air Intake TempKHS0951 2. SPECIFICATIONS2-1.Unit Specifications CH09512 Indoor unit FeaturesDimensions & Weight KHS12513 Indoor unit KHS1852 Outdoor unit CH1852 FeaturesDimensions & Weight Voltage Rating2-2.Major Component Specifications 2-2-1.Indoor UnitControl PCB Remote Control Unit2 Indoor unit KHS1251 Fan & Fan MotorControl PCB Remote Control Unit3 Indoor unit KHS1852 Fan & Fan Motor2-2-2.Outdoor Unit 1 Outdoor unit CH0951Compressor 2 Outdoor unit CH1251Control PCB Fan & Fan MotorCompressor 3 Outdoor unit CH1852Control PCB Fan & Fan MotorKHS0951 2-3.Other Component Specifications2-3-1.Indoor Unit KHS1251CH0951 2-3-2.Outdoor Unit1 Outdoor Unit 2 Outdoor UnitCH1852 Power Relay PR3 Outdoor Unit DFU24D1-F3-1-1.Indoor Unit 3. DIMENSIONAL DATA3-1.Unit 1 Indoor unit KHS0951 / KHS12512 Indoor unit KHS1852 3-1-2.Outdoor Unit 1 Outdoor unit CH0951 / CH12512Outdoor unit CH1852 12-19/32 Narrow tube service valve ø6.35 1/4Wide tube service valve ø15.88 5/8 Unit inch mm 4-ø15/32Indoor unit KHS0951 / KHS1251 4. REFRIGERANT FLOW DIAGRAM4-1.Refrigerant Flow Diagram Outdoor unit CH0951 / CH1251Cooling Characteristics 5-1.Performance Charts5. PERFORMANCE DATA Heating CharacteristicsKHS1251 Cooling CharacteristicsHeating Characteristics CH1251KHS1852 Cooling CharacteristicsHeating Characteristics CH1852Fan speed 5-2.Air Throw Distance ChartCooling Room air temp. 80¡F 26.7¡C HighHigh Cooling Room air temp. 80¡F 26.7¡CFan speed Horizontal distance ftHigh Cooling Room air temp. 80¡F 26.7¡CFan speed Horizontal distance ftKHS0951 5-3.Cooling Capacity115V Single phase 60 Hz CH0951CH1251 115 V Single phase 60 HzKHS1251 TC Total Cooling CapacityCH1852 208 V Single phase 60 HzKHS1852 TC Total Cooling CapacityCH1852 230 V Single phase 60 HzKHS1852 TC Total Cooling CapacityOutdoor temperature ¡F DB 5-4.Heating CapacityHeating capacity ratio % KHS0951 6-1.Electrical Characteristics6. ELECTRICAL DATA CH0951COOLING KHS1251CH1251 HEATINGCOOLING KHS1852CH1852 HEATING6-2.Electric Wiring Diagrams 1 Indoor unit KHS0951 / KHS1251To avoid electrical shock hazard, be sure to disconnect power before checking, servicingand/or cleaning any electrical parts 2 Indoor unit KHS1852To avoid electrical shock hazard, be sure to disconnect power before checking, servicingand/or cleaning any electrical parts 3 Outdoor unit CH0951 / CH1251To avoid electrical shock hazard, be sure to disconnect power before checking, servicingand/or cleaning any electrical parts 4 Outdoor unit CH18525 Printed circuit board POW-KHS095Afor KHS0951 Top viewBottom view 6 Printed circuit board POW-KHS125Afor KHS1251 Top viewBottom view Top view Bottom view8 Printed circuit board POW-KHS1852for KHS1852 Top viewBottom view Top view 7-1-1.Indoor Unit 7. INSTALLATION INSTRUCTIONS7-1.Installation Site Selection AVOIDAVOID 7-1-2.Outdoor UnitInstall the outdoor unit above snowfall line Fig. 5aRemovable mounting 7-2.Remote Control Unit Installation Position7-2-1.Mounting on a Wall Fig. Non-removablemounting7-3-2.Switch Positions for Up to 2 Units 7-3.Address Switches7-3-1.Finding the Address Switches Remote Control Unit7-4.Recommended Wire Length and Diameter Each wire must be firmly connectedWIRING SYSTEM DIAGRAM 8-1.Room Temperature Control 8. FUNCTIONCooling Heating 8-2.Dry Operation Dehumidification 8-4.Freeze Prevention Cooling 8-5.Overload Prevention Heating8-6.Cold draft Prevention Heating 8-7.Defrosting Operation Heating Defrosting Flowchart8-8.Low Temperature Cutff Heating Defrosting Mode Timing Chart9-1-1.Check power supply wiring 9. TROUBLESHOOTING9-1.Check before and after troubleshooting 9-1-2.Check inter-unitwiring9-2.Air conditioner does not operate 9-2-1.Circuit breaker trips or fuse blows9-2-2.Neither indoor nor outdoor unit runs A. Power is not suppliedC. Check remote control unit E. Check TIMER on the remote control unitD. Check fuse on the indoor PCB Assy 9-2-3.Only outdoor unit does not run 9-2-4.Only indoor unit does not runA. Check setting temperature 9-3.Some part of air conditioner does not operate 9-3-1.Only indoor fan does not run9-3-2.Only flap motor does not run 9-3-4.Only outdoor fan does not run 9-3-5.Only compressor does not runCOOL HEAT HEAT COOL9-4-2.Poor cooling or heating 9-4-3.Excessive cooling or heatingA. Open 9-5.If a sensor is defective9-5-2.Room temp. thermistor TH2 is defective B. Short10-1.Measurement of Insulation Resistance 10-1-1.Power Supply Wires10. CHECKING ELECTRICAL COMPONENTS 10-1-2.Indoor Unit10-2.Checking Continuity of Fuse on PCB Assy 10-3.Checking Motor Capacitor11. ARRANGEMENT OF ELECTRICAL COMPONENT Indoor Unit KHS0951 / KHS1251KHS1852 Outdoor Unit CH0951 / CH1251 / CH1852 Electric PartsParts Layout in Unit APPENDIX KHS0951 + CH0951 KHS1251 + CH1251KHS1852 + CH1852 Features Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements INDOOR UNIT Air intakes Air outlet Names of PartsRemote Control Unit Drain hose Refrigerant tubes OUTDOOR UNITUnit Display and Operation Selector SET TEMP Remote Control Unit DisplaySymbols H OFFRemote Control Unit Remote Control Unit continued How to Use the Remote Control Unit Using the Remote Control UnitHow to Install Batteries Remote Control Unit Installation PositionUsing the Remote Control Unit continued Mounting the Remote Control UnitOperation with the Remote Control Unit 1. Automatic OperationTo raise the temperature TEMP. setting Operation with the Remote Control Unit continuedPress TEMP. to change the temperature setting To lower the temperature settingOperation with the Remote Control Unit continued 2. Manual OperationOperation with the Remote Control Unit continued 3.Adjusting the Fan SpeedThe Night Setback Mode is used for saving energy Operation with the Remote Control Unit continued4. Night Setback Mode BATTERIES ACLOperation with the Remote Control Unit continued A. In Cooling and DRY Mode andRemote Control Unit Special RemarksPower failure during operation Clicking Sound ``DRY OperationUsing the 12-HourON and OFF Timer H OFFUsing the 1-HourOFF Timer Adjusting the Airflow Direction 1. Horizontal2. Vertical Operation without the Remote Control Unit Care and CleaningHow to replace the anti-moldfilter Care and Cleaning continuedAnti-moldfilter How to remove the anti-moldfilter Air intake grilleCare and Cleaning continued Air cleaning filter not providedTips for Energy Saving Care and Cleaning continuedDo not Troubleshooting Operating RangeFor Parts or Service Contact SANYO FISHER SERVICE CORPORATIONA DIVISION OF SANYO LOGISTICS CORPORATION