Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo KHS1852-S, CH1852 Printed circuit board POW-KHS1852for KHS1852, Top view, Bottom view

Models: KHS1852-S CH0952 CH1852

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(8) Printed circuit board POW-KHS1852 (for KHS1852)

(8) Printed circuit board POW-KHS1852 (for KHS1852)

Top view

Bottom view

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Sanyo KHS1852-S, CH1852, CH0952 service manual Printed circuit board POW-KHS1852for KHS1852, Top view, Bottom view

Contents

KHS0951 / CH0951 KHS1251 / CH1251 KHS1852 / CH1852KHS1852 CH1852 KHS0951 KHS1251In Case of Improper Installation When Installing…When Connecting Refrigerant Tubing When ServicingTable of Contents CHECKING ELECTRICAL COMPONENTS APPENDIX1. OPERATING RANGE TemperatureIndoor Air Intake Temp Outdoor Air Intake Temp2. SPECIFICATIONS 2-1.Unit SpecificationsKHS0951 CH0951Features Dimensions & Weight2 Indoor unit KHS1251Features Dimensions & Weight3 Indoor unit KHS1852 Outdoor unit CH1852 Voltage Rating2-2.Major Component Specifications 2-2-1.Indoor UnitRemote Control Unit 2 Indoor unit KHS1251Control PCB Fan & Fan MotorRemote Control Unit 3 Indoor unit KHS1852Control PCB Fan & Fan Motor2-2-2.Outdoor Unit 1 Outdoor unit CH09512 Outdoor unit CH1251 Control PCBCompressor Fan & Fan Motor3 Outdoor unit CH1852 Control PCBCompressor Fan & Fan Motor2-3.Other Component Specifications 2-3-1.Indoor UnitKHS0951 KHS12512-3-2.Outdoor Unit 1 Outdoor UnitCH0951 2 Outdoor UnitPower Relay PR 3 Outdoor UnitCH1852 DFU24D1-F3. DIMENSIONAL DATA 3-1.Unit3-1-1.Indoor Unit 1 Indoor unit KHS0951 / KHS12512 Indoor unit KHS1852 3-1-2.Outdoor Unit 1 Outdoor unit CH0951 / CH125112-19/32 Narrow tube service valve ø6.35 1/4 Wide tube service valve ø15.88 5/8 Unit inch mm2Outdoor unit CH1852 4-ø15/324. REFRIGERANT FLOW DIAGRAM 4-1.Refrigerant Flow DiagramIndoor unit KHS0951 / KHS1251 Outdoor unit CH0951 / CH12515-1.Performance Charts 5. PERFORMANCE DATACooling Characteristics Heating CharacteristicsCooling Characteristics Heating CharacteristicsKHS1251 CH1251Cooling Characteristics Heating CharacteristicsKHS1852 CH18525-2.Air Throw Distance Chart Cooling Room air temp. 80¡F 26.7¡CFan speed HighCooling Room air temp. 80¡F 26.7¡C Fan speedHigh Horizontal distance ftCooling Room air temp. 80¡F 26.7¡C Fan speedHigh Horizontal distance ft5-3.Cooling Capacity 115V Single phase 60 HzKHS0951 CH0951115 V Single phase 60 Hz KHS1251CH1251 TC Total Cooling Capacity208 V Single phase 60 Hz KHS1852CH1852 TC Total Cooling Capacity230 V Single phase 60 Hz KHS1852CH1852 TC Total Cooling CapacityHeating capacity ratio % Outdoor temperature ¡F DB5-4.Heating Capacity 6-1.Electrical Characteristics 6. ELECTRICAL DATAKHS0951 CH0951KHS1251 CH1251COOLING HEATINGKHS1852 CH1852COOLING HEATING6-2.Electric Wiring Diagrams 1 Indoor unit KHS0951 / KHS1251disconnect power before checking, servicing and/or cleaning any electrical partsTo avoid electrical shock hazard, be sure to 2 Indoor unit KHS1852disconnect power before checking, servicing and/or cleaning any electrical partsTo avoid electrical shock hazard, be sure to 3 Outdoor unit CH0951 / CH1251disconnect power before checking, servicing and/or cleaning any electrical partsTo avoid electrical shock hazard, be sure to 4 Outdoor unit CH1852Bottom view 5 Printed circuit board POW-KHS095Afor KHS0951Top view Bottom view 6 Printed circuit board POW-KHS125Afor KHS1251Top view Top view Bottom viewBottom view 8 Printed circuit board POW-KHS1852for KHS1852Top view Top view 7. INSTALLATION INSTRUCTIONS 7-1.Installation Site Selection7-1-1.Indoor Unit AVOID7-1-2.Outdoor Unit Install the outdoor unit above snowfall lineAVOID Fig. 5a7-2.Remote Control Unit Installation Position 7-2-1.Mounting on a WallRemovable mounting Fig. Non-removablemounting7-3.Address Switches 7-3-1.Finding the Address Switches7-3-2.Switch Positions for Up to 2 Units Remote Control UnitWIRING SYSTEM DIAGRAM 7-4.Recommended Wire Length and DiameterEach wire must be firmly connected Cooling 8-1.Room Temperature Control8. FUNCTION 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. TROUBLESHOOTING 9-1.Check before and after troubleshooting9-1-1.Check power supply wiring 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 suppliedD. Check fuse on the indoor PCB Assy C. Check remote control unitE. Check TIMER on the remote control unit A. Check setting temperature 9-2-3.Only outdoor unit does not run9-2-4.Only indoor unit does not run 9-3-2.Only flap motor does not run 9-3.Some part of air conditioner does not operate9-3-1.Only indoor fan 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 heating9-5.If a sensor is defective 9-5-2.Room temp. thermistor TH2 is defectiveA. Open B. Short10-1-1.Power Supply Wires 10. CHECKING ELECTRICAL COMPONENTS10-1.Measurement of Insulation Resistance 10-1-2.Indoor Unit10-2.Checking Continuity of Fuse on PCB Assy 10-3.Checking Motor CapacitorKHS1852 11. ARRANGEMENT OF ELECTRICAL COMPONENTIndoor Unit KHS0951 / KHS1251 Parts Layout in Unit Outdoor Unit CH0951 / CH1251 / CH1852Electric Parts KHS1852 + CH1852 APPENDIXKHS0951 + CH0951 KHS1251 + CH1251 Features Product Information ContentsAlert Symbols Electrical Requirements Installation LocationSafety Instructions Names of Parts Remote Control UnitINDOOR UNIT Air intakes Air outlet Drain hose Refrigerant tubes OUTDOOR UNITUnit Display and Operation Selector Remote Control Unit Display SymbolsSET TEMP H OFFRemote Control Unit Remote Control Unit continued Using the Remote Control Unit How to Install BatteriesHow to Use the Remote Control Unit Remote Control Unit Installation PositionUsing the Remote Control Unit continued Mounting the Remote Control UnitOperation with the Remote Control Unit 1. Automatic OperationOperation with the Remote Control Unit continued Press TEMP. to change the temperature settingTo raise the temperature TEMP. 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 SpeedOperation with the Remote Control Unit continued 4. Night Setback ModeThe Night Setback Mode is used for saving energy BATTERIES ACLOperation with the Remote Control Unit continued A. In Cooling and DRY Mode andSpecial Remarks Power failure during operation Clicking SoundRemote Control Unit ``DRY OperationUsing the 12-HourON and OFF Timer H OFFUsing the 1-HourOFF Timer 2. Vertical Adjusting the Airflow Direction1. Horizontal Operation without the Remote Control Unit Care and CleaningCare and Cleaning continued Anti-moldfilter How to remove the anti-moldfilterHow to replace the anti-moldfilter Air intake grilleCare and Cleaning continued Air cleaning filter not providedDo not Tips for Energy SavingCare and Cleaning continued Troubleshooting Operating RangeA DIVISION OF SANYO LOGISTICS CORPORATION For Parts or Service ContactSANYO FISHER SERVICE CORPORATION