Sanyo CG1411, KGS1411 service manual Freeze Prevention Cooling

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8-2-2. Freeze Prevention (Cooling)

This function prevents freezing of the indoor heat exchange coil.

When the compressor has been running for 6 minutes or more and the temperature of the indoor heat exchange coil falls below 36°F (2.4°C), the control circuit stops the compressor for at least 6 minutes. The compressor does not start again until the temperature rises above 46°F (8°C) or 6 minutes have elapsed.

Indoor heat exch.

 

 

 

coil temp.

 

 

 

46°F

 

 

 

Set temp.

More than

 

 

10 minutes

 

 

36°F

 

 

 

 

More than

More than

 

3 minutes

6 minutes

3 minutes

Compressor

 

 

 

Indoor fan

 

Set speed

 

32

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Contents GAS Heater AIR Conditioner When Installing… Case of Improper InstallationWhen Transporting When Connecting Refrigerant TubingTable of Contents Troubleshooting IiiTemperature Indoor Air Intake Temp Outdoor Air Intake Temp Operating RangeSpecifications Unit SpecificationsKGS1411 CG1411Dimensions & Weight Governor Setting PressureSafety Devices BurnerMajor Component Specifications Indoor UnitOutdoor Unit Gas ConnectionCompressor External FinishNozzle Refrigerant HeaterCombination Gas Valve IgniterOther Component Specifications Transformer ATR-1581T2-UThermistor Coil sensor Thermistor Room sensorPower Relay PR Auto Reset Temperature LimitingTransformer TR 4FF4L510034000 Thermistor 1 Discharge pressure PB3M-41EDimensional Data UnitLocation of Service Valves Internal Components PCB aPTC Major Components Combination Gas Valve Proportional Control ValveGas Nozzle Main Burner Combustion BlowerRefrigerant Heater Refrigerant Flow Diagram Refrigerant Flow DiagramPerformance Charts Cooling CharacteristicsHeating Characteristics Performance DataAir Throw Distance Charts CoolingHeating Cooling Capacity Heating Capacity 100Electrical Characteristics Electrical DataCG1411 Cooling Electric Wiring Diagrams Indoor unit KGS1411BM RV1 RV2 GV1 GV2 Printed circuit board POW-CG1411 SD3Installation Instructions Installation Site SelectionHot air Heat source Outdoor unit Obstacle above Recommended Wire Length and Diameter Wiring System DiagramRemote Control Unit Installation Position Mounting on a WallRemovable mounting Non-removable mountingFunction Motion ExplanationHeating CoolingSafety Controls Combustion ControlCombustion Room Temperature Control CoolingFreeze Prevention Cooling Heating Refrigerant Control ThermistorReset Function Combustion Saving FunctionSave Function Cold Draft Prevention Function During Heating Operation Fan Speed Control During Cooling Operation Automatic fan speedDry Operation Dehumidification Automatic Operation NormalChanging fan speed Automatic During Cooling OperationFreeze Prevention Cooling / Dry Cooling Zone Dry a ZoneDry B Zone Overload Prevention Heating Operation Flowcharts Cooling, DryOperation starts Operation lamp Procedure for Dismantling the Unit Procedure for Dismantling the Indoor UnitHow to remove grille How to remove PCBsHow to remove electrical component box How to remove drain panHow to detach heat exchanger How to detach fan and fan motorProcedure for Dismantling the Outdoor Unit How to remove the external panelsHow to detach the rear panel How to detach the combustion blowerHow to detach combination valve and gas conduit How to detach combination valveHow to detach ignition probe and flame sensor electrode How to detach burner unitHow to detach gas nozzle Indoor Unit Alarm Signal Points to DiagnoseManifold Pressure Checking Electrical Components Components11-3-2 Indoor Unit 11-3-3 Outdoor UnitTroubleshooting Check Before and After TroubleshootingMalfunction in Power Supply Abnormalities in Power TransformerIncorrect Wiring of Inter-unit Wiring Thermistor Abnormality Indoor Unit Only Protective Circuit of Outdoor Burner Unit OperatedPower Circuit Wiring Error Indoor Fan is DefectiveOutdoor Unit Power Supply Failure Outdoor Unit Power Transformer DefectiveOutdoor Unit Compressor Motor Overload Relay Has Operated Outdoor Unit Fan Does Not Work Outdoor Unit Compressor Motor DefectiveOutdoor Unit Fan Motor Defective Flap Motor Does Not Work Heating Operation Not PossibleLouver Motor Defective Thermistor 1 DefectiveSafety Device Operated Erroneous Flame DetectionIgnition Failure Erroneous Flame-Out Condition Combustion Blower Motor Abnormal Revolution 12-6-8. ON/OFF Valve FailureReversing Valve Failure Reset Method When Error Occurs During Heating Operation Failure Display on Outdoor Unit and Correction Method DC0VSpecial Precautions When Servicing the Unit BLK/WHT Connector Attachment for ServicingRefrigerant Recovery Service on Outdoor UnitEvacuation Using Vacuum Pump Refer to Service Valve Construction shown in FigVolume Refrigerant ChargingCharging Gradation Level before ChargingReattaching BLK/WHT Connectors for Operation Appendix For Your Safety Read Before Operation What to do if YOU Smell GASContents Alert SymbolsProduct Information Features Installation Location Electrical RequirementsSafety Instructions Names of Parts Air intakesAir outlet Outdoor Condensing UnitOFF position does not disconnect the power. Use the main Power switch to turn off power completelyTimer lamp ReceiverSET Temp TEMP. setting buttons Button Timer on buttonTimer OFF button TransmitterHR. Timer button Hour off timerGreen or red Auto Red HeatUsing the Remote Control Unit ACL button CoverUsing the Remote Control Unit Operation with the Remote Control Unit Press the ON/OFF operation buttonOperation with the Remote Control Unit Manual Operation Automatic Cooling and DRY mode Heating mode Manual When difference between Room temperature and setTemperature is Temperature is Over High Below 2 F MediumNight Setback Mode is used for saving energy Fan OnlySetting Temperature Press Hour Time Button Heating ModeSetting Temperature Press Hour Hours Button TimeSpecial Remarks How it works?Heating performance Clicking sound is heard from the air conditionerUsing the 12-Hour on and OFF Timer Setting procedureCancellation procedure Press the Cancel button Using the 1-Hour OFF Timer Adjusting the Airflow Direction Setting the airflow manuallySweep function Operation without the Remote Control Unit Care and CleaningCasing and Grille Indoor Unit Anti-mold filter How to remove the anti-mold filter How to replace the anti-mold filterAir intake grille Anti-mold filterAir FilterArm Troubleshooting Tips for Energy SavingOperating Range For Parts or Service Contact

KGS1411, CG1411 specifications

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