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

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(9) Printed circuit board POW-CH095 (for CH0951, CH1251 and CH1852)

Top view

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Contents Split System AIR Conditioner When Installing… Case of Improper InstallationWhen Connecting Refrigerant Tubing When Servicing When WiringTable of Contents Appendix Operating Range Temperature Indoor Air Intake Temp Outdoor Air Intake TempUnit Specifications Specifications12,500 Indoor unit KHS1852 Outdoor unit CH1852 Indoor Unit Major Component SpecificationsIndoor unit KHS1251 Indoor unit KHS1852 Outdoor unit CH0951 Outdoor UnitOutdoor unit CH1251 Crank case heater 230V, 20W KHS1852 Other Component SpecificationsOutdoor Unit CH1251 Outdoor Unit CH0951Outdoor Unit CH1852 Dimensional Data UnitIndoor unit KHS0951 / KHS1251 39-3/16 11-7/32 23/32 25/32 Remote control unit 147.5 Outdoor unit CH0951 / CH1251 Outdoor unit CH1852 Refrigerant Flow Diagram Refrigerant Flow DiagramIndoor unit KHS0951 / KHS1251 Outdoor unit CH0951 / CH1251 CH1852 Indoor unit Outdoor unitCooling Characteristics Performance ChartsHeating Characteristics Performance DataIndoor inlet air Temp. ¡F ¡C 320 230 Air Throw Distance Chart Indoor Unit KHS1251 Indoor Unit KH1852 Cooling Capacity 115V Single phase 60 HzSingle phase 60 Hz 17,000 BTU/h KHS1852 100 Heating CapacityElectrical Data Electrical CharacteristicsIndoor Unit Outdoor Unit Complete Unit Fan Motor 047 045 113 095 Electric Wiring Diagrams To avoid electrical shock hazard, be sure to Outdoor unit CH0951 / CH1251 Outdoor unit CH1852 Printed circuit board POW-KHS095A for KHS0951 Printed circuit board POW-KHS125A for KHS1251 Printed circuit board POW-KHS095B for KHS0951 and KHS1251 Printed circuit board POW-KHS1852 for KHS1852 Top view Installation Site Selection Installation InstructionsHot air Heat source Outdoor unit Obstacle above Mounting on a Wall Remote Control Unit Installation PositionRemovable mounting Non-removable mountingFinding the Address Switches Address SwitchesSwitch Positions for Up to 2 Units Remote Control UnitWiring System Diagram Recommended Wire Length and DiameterRoom Temperature Control FunctionCooling Heating Dry Operation Dehumidification Automatic Switching between Cooling and HeatingOverload Prevention Heating Freeze Prevention CoolingCold draft Prevention Heating Defrosting Operation Heating Defrosting FlowchartDefrosting Mode Timing Chart Low Temperature Cutff HeatingCheck before and after troubleshooting TroubleshootingCircuit breaker trips or fuse blows Air conditioner does not operatePower is not supplied Check Operation selector switch in the indoor unitNeither indoor nor outdoor unit runs Check remote control unit Check Timer on the remote control unitCheck fuse on the indoor PCB Assy Only outdoor unit does not run Check setting temperatureOnly indoor unit does not run Check PCB Assy in either indoor or outdoor unitSome part of air conditioner does not operate Only indoor fan does not runOnly flap motor does not run Only compressor does not run Only outdoor fan does not runAir conditioner operates, but abnormalities are observed Operation does not switch from Heat to Cool or Cool to HeatExcessive cooling or heating Poor cooling or heatingIf a sensor is defective Indoor coil temp. thermistor TH1 is defectiveRoom temp. thermistor TH2 is defective Checking Electrical Components Power Supply WiresMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical PartsChecking Motor Capacitor Checking Continuity of Fuse on PCB AssyArrangement of Electrical Component Parts Layout in Unit Outdoor Unit CH0951 / CH1251 / CH1852 Electric PartsAppendix Features Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Names of Parts OFF position does not disconnect the power. Use the main Remote control receiverPower switch to turn off power completely Timer lampSET Temp Timer on button HR. Timer buttonTimer OFF button Button Timer on buttonGreen or red Auto Cancel buttonRed Heat Orange DRYHow to Install Batteries Using the Remote Control UnitHow to Use the Remote Control Unit Remote Control Unit Installation PositionMounting the Remote Control Unit Using the Remote Control UnitOperation with the Remote Control Unit Automatic OperationPress the ON/OFF operation button Operation with the Remote Control Unit Manual Operation Automatic Cooling and DRY mode Heating mode Manual Adjusting the Fan SpeedWhen difference between Room temperature and set Temperature isNight Setback Mode is used for saving energy Night Setback ModeButton Heating Mode Setting Temperature Min PressSetting Temperature Press 30 min TimeRemote Control Unit Power failure during operation Clicking SoundSpecial Remarks ``DRY OperationTimer on mode Example Using the 12-Hour on and OFF TimerTimer OFF mode Example Setting procedureUsing the 1-Hour OFF Timer Hour OFF TimerCombining the 1-Hour OFF Timer and 12-Hour on Timer Setting the airflow manually Adjusting the Airflow DirectionHorizontal Vertical Sweep functionCare and Cleaning Operation without the Remote Control UnitOperation KHS1852 Selector OperationAnti-mold filter How to remove the anti-mold filter How to replace the anti-mold filterAir intake grille KHS0951/KHS1251 Air cleaning filter not providedDo not Tips for Energy SavingRemoving and remounting WaterOperating Range TroubleshootingFor Parts or Service Contact

KHS1852-S, CH0952, CH1852 specifications

The Sanyo CH0952, CH1852, and KHS1852-S are innovative and versatile air conditioning units designed to deliver efficient cooling and heating solutions for both residential and commercial applications. These models stand out in the market for their advanced technologies, energy efficiency, and user-friendly features.

The Sanyo CH0952 is a compact and highly efficient wall-mounted air conditioner that is ideal for small to medium-sized rooms. One of its main features is the inverter technology, which allows the unit to adjust its cooling or heating output based on the temperature requirements of the space. This not only enhances comfort but also significantly reduces energy consumption, making it an eco-friendly choice.

The CH1852 model builds upon the advantages of the CH0952 but offers an increased capacity suitable for larger areas. Like the CH0952, it is equipped with inverter technology to maintain optimal temperatures with minimal energy use. Additionally, it features a multi-speed fan system, which allows users to select the desired airflow level for personalized comfort. The unit’s quiet operation further enhances the user experience, making it an ideal choice for bedrooms and living spaces.

The KHS1852-S model is a powerful option, designed for heavy usage in both commercial environments and larger residential spaces. It boasts advanced filtration technologies, ensuring the air quality remains high by removing dust, allergens, and other impurities from the air. The KHS1852-S is also equipped with smart technology, allowing for remote control operation via mobile applications. This feature provides additional convenience, enabling users to control their air conditioning settings from anywhere.

All three models are designed with user-friendly controls and clear displays, improving accessibility for all users. Built to last, each unit incorporates durable materials and innovative engineering that offers long-term reliability and maintenance ease.

In summary, the Sanyo CH0952, CH1852, and KHS1852-S air conditioning units exemplify state-of-the-art technology, delivering efficiency, comfort, and convenience. Their inverter technology, multi-speed fan options, advanced filtration systems, and smart control capabilities make them an excellent choice for anyone seeking effective climate control solutions. With these modern features, Sanyo continues to lead in creating efficient and user-friendly air conditioning systems.