Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo CH0952, CH1852, KHS1852-S service manual Top view, Bottom view

Models: KHS1852-S CH0952 CH1852

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(7) Printed circuit board POW-KHS095B (for KHS0951 and KHS1251)

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Page 43

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Sanyo CH0952, CH1852, KHS1852-S service manual Top view, Bottom view

Contents

KHS0951 KHS1251 KHS0951 / CH0951 KHS1251 / CH1251KHS1852 / CH1852 KHS1852 CH1852When Servicing In Case of Improper InstallationWhen Installing… When Connecting Refrigerant TubingTable of Contents APPENDIX CHECKING ELECTRICAL COMPONENTSOutdoor Air Intake Temp 1. OPERATING RANGETemperature Indoor Air Intake TempCH0951 2. SPECIFICATIONS2-1.Unit Specifications KHS0951KHS1251 FeaturesDimensions & Weight 2 Indoor unitVoltage Rating FeaturesDimensions & Weight 3 Indoor unit KHS1852 Outdoor unit CH18522-2-1.Indoor Unit 2-2.Major Component SpecificationsFan & Fan Motor Remote Control Unit2 Indoor unit KHS1251 Control PCBFan & Fan Motor Remote Control Unit3 Indoor unit KHS1852 Control PCB1 Outdoor unit CH0951 2-2-2.Outdoor UnitFan & Fan Motor 2 Outdoor unit CH1251Control PCB CompressorFan & Fan Motor 3 Outdoor unit CH1852Control PCB CompressorKHS1251 2-3.Other Component Specifications2-3-1.Indoor Unit KHS09512 Outdoor Unit 2-3-2.Outdoor Unit1 Outdoor Unit CH0951DFU24D1-F Power Relay PR3 Outdoor Unit CH18521 Indoor unit KHS0951 / KHS1251 3. DIMENSIONAL DATA3-1.Unit 3-1-1.Indoor Unit2 Indoor unit KHS1852 1 Outdoor unit CH0951 / CH1251 3-1-2.Outdoor Unit4-ø15/32 12-19/32 Narrow tube service valve ø6.35 1/4Wide tube service valve ø15.88 5/8 Unit inch mm 2Outdoor unit CH1852Outdoor unit CH0951 / CH1251 4. REFRIGERANT FLOW DIAGRAM4-1.Refrigerant Flow Diagram Indoor unit KHS0951 / KHS1251Heating Characteristics 5-1.Performance Charts5. PERFORMANCE DATA Cooling CharacteristicsCH1251 Cooling CharacteristicsHeating Characteristics KHS1251CH1852 Cooling CharacteristicsHeating Characteristics KHS1852High 5-2.Air Throw Distance ChartCooling Room air temp. 80¡F 26.7¡C Fan speedHorizontal distance ft Cooling Room air temp. 80¡F 26.7¡CFan speed HighHorizontal distance ft Cooling Room air temp. 80¡F 26.7¡CFan speed HighCH0951 5-3.Cooling Capacity115V Single phase 60 Hz KHS0951TC Total Cooling Capacity 115 V Single phase 60 HzKHS1251 CH1251TC Total Cooling Capacity 208 V Single phase 60 HzKHS1852 CH1852TC Total Cooling Capacity 230 V Single phase 60 HzKHS1852 CH18525-4.Heating Capacity Outdoor temperature ¡F DBHeating capacity ratio % CH0951 6-1.Electrical Characteristics6. ELECTRICAL DATA KHS0951HEATING KHS1251CH1251 COOLINGHEATING KHS1852CH1852 COOLING1 Indoor unit KHS0951 / KHS1251 6-2.Electric Wiring Diagrams2 Indoor unit KHS1852 disconnect power before checking, servicingand/or cleaning any electrical parts To avoid electrical shock hazard, be sure to3 Outdoor unit CH0951 / CH1251 disconnect power before checking, servicingand/or cleaning any electrical parts To avoid electrical shock hazard, be sure to4 Outdoor unit CH1852 disconnect power before checking, servicingand/or cleaning any electrical parts To avoid electrical shock hazard, be sure toTop view 5 Printed circuit board POW-KHS095Afor KHS0951Bottom view Top view 6 Printed circuit board POW-KHS125Afor KHS1251Bottom view Bottom view Top viewTop view 8 Printed circuit board POW-KHS1852for KHS1852Bottom view Top view AVOID 7. INSTALLATION INSTRUCTIONS7-1.Installation Site Selection 7-1-1.Indoor UnitFig. 5a 7-1-2.Outdoor UnitInstall the outdoor unit above snowfall line AVOIDFig. Non-removablemounting 7-2.Remote Control Unit Installation Position7-2-1.Mounting on a Wall Removable mountingRemote Control Unit 7-3.Address Switches7-3-1.Finding the Address Switches 7-3-2.Switch Positions for Up to 2 UnitsEach wire must be firmly connected 7-4.Recommended Wire Length and DiameterWIRING SYSTEM DIAGRAM 8. FUNCTION 8-1.Room Temperature ControlCooling Heating 8-2.Dry Operation Dehumidification 8-5.Overload Prevention Heating 8-4.Freeze Prevention Cooling8-6.Cold draft Prevention Heating Defrosting Flowchart 8-7.Defrosting Operation HeatingDefrosting Mode Timing Chart 8-8.Low Temperature Cutff Heating9-1-2.Check inter-unitwiring 9. TROUBLESHOOTING9-1.Check before and after troubleshooting 9-1-1.Check power supply wiring9-2-1.Circuit breaker trips or fuse blows 9-2.Air conditioner does not operateA. Power is not supplied 9-2-2.Neither indoor nor outdoor unit runsE. Check TIMER on the remote control unit C. Check remote control unitD. Check fuse on the indoor PCB Assy 9-2-4.Only indoor unit does not run 9-2-3.Only outdoor unit does not runA. Check setting temperature 9-3-1.Only indoor fan does not run 9-3.Some part of air conditioner does not operate9-3-2.Only flap motor does not run 9-3-5.Only compressor does not run 9-3-4.Only outdoor fan does not runHEAT COOL COOL HEAT9-4-3.Excessive cooling or heating 9-4-2.Poor cooling or heatingB. Short 9-5.If a sensor is defective9-5-2.Room temp. thermistor TH2 is defective A. Open10-1-2.Indoor Unit 10-1-1.Power Supply Wires10. CHECKING ELECTRICAL COMPONENTS 10-1.Measurement of Insulation Resistance10-3.Checking Motor Capacitor 10-2.Checking Continuity of Fuse on PCB AssyIndoor Unit KHS0951 / KHS1251 11. ARRANGEMENT OF ELECTRICAL COMPONENTKHS1852 Electric Parts Outdoor Unit CH0951 / CH1251 / CH1852Parts Layout in Unit KHS0951 + CH0951 KHS1251 + CH1251 APPENDIXKHS1852 + CH1852 Features Alert Symbols ContentsProduct Information Safety Instructions Installation LocationElectrical Requirements Drain hose Refrigerant tubes OUTDOOR UNIT Names of PartsRemote Control Unit INDOOR UNIT Air intakes Air outletUnit Display and Operation Selector H OFF Remote Control Unit DisplaySymbols SET TEMPRemote Control Unit Remote Control Unit continued Remote Control Unit Installation Position Using the Remote Control UnitHow to Install Batteries How to Use the Remote Control UnitMounting the Remote Control Unit Using the Remote Control Unit continued1. Automatic Operation Operation with the Remote Control UnitTo lower the temperature setting Operation with the Remote Control Unit continuedPress TEMP. to change the temperature setting To raise the temperature TEMP. setting2. Manual Operation Operation with the Remote Control Unit continued3.Adjusting the Fan Speed Operation with the Remote Control Unit continuedBATTERIES ACL Operation with the Remote Control Unit continued4. Night Setback Mode The Night Setback Mode is used for saving energyA. In Cooling and DRY Mode and Operation with the Remote Control Unit continued``DRY Operation Special RemarksPower failure during operation Clicking Sound Remote Control UnitH OFF Using the 12-HourON and OFF TimerUsing the 1-HourOFF Timer 1. Horizontal Adjusting the Airflow Direction2. Vertical Care and Cleaning Operation without the Remote Control UnitAir intake grille Care and Cleaning continuedAnti-moldfilter How to remove the anti-moldfilter How to replace the anti-moldfilterAir cleaning filter not provided Care and Cleaning continuedCare and Cleaning continued Tips for Energy SavingDo not Operating Range TroubleshootingSANYO FISHER SERVICE CORPORATION For Parts or Service ContactA DIVISION OF SANYO LOGISTICS CORPORATION