Sanyo KGS1411, CG1411 service manual Heating

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8-3. Heating

8-3-1. Room Temperature Control

Room temperature control is obtained by cycling the compressor ON and OFF under control of the room temperature sensor in the indoor unit.

All information is transmitted every 3 minutes by the remote control unit to the controller in the indoor unit.

 

 

 

Thermo.

 

Thermo.

 

 

Thermo.

OFF

 

OFF

Set temp.

 

ON

 

 

Thermo.

 

 

 

ON

 

 

 

 

T+2°F

 

 

 

 

 

T+1°F

 

 

 

 

 

More than

 

 

 

More than

3 minutes

3 minutes

3 minutes

3 minutes

 

 

 

 

Compressor

OFF

 

OFF

 

OFF

Combustion

OFF

 

OFF

 

OFF

Reversing

OFF

 

 

 

 

valve coil

 

 

 

 

 

 

 

30

 

30

 

 

 

sec.

 

sec.

Indoor fan

OFF LL

Set

LL

Set speed

speed

Indoor heat exch. coil temp.

113°F (45°C)

90°F (32°C)

Operation button OFF

The control circuit will not attempt to turn the compressor ON until the compressor has been OFF for at least 3 minutes. To protect the compressor from stalling out when trying to start against the high side refrigerant pressure, the control circuit has a built-in automatic time delay to allow the internal pressure to equalize.

As a protective measure, the control circuit switches the compressor OFF after 3 minutes or more of com- pressor operation.

Thermo. ON: When the room temperature is below T + 1°F (T°F is set temperature).

Compressor ON

Thermo. OFF: When the room temperature is equal to or below set temperature T + 2°F. Compressor OFF

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Contents GAS Heater AIR Conditioner Case of Improper Installation When Installing…When Transporting When Connecting Refrigerant TubingTable of Contents Iii TroubleshootingOperating Range Temperature Indoor Air Intake Temp Outdoor Air Intake TempUnit Specifications SpecificationsKGS1411 CG1411Governor Setting Pressure Dimensions & WeightSafety Devices BurnerIndoor Unit Major Component SpecificationsGas Connection Outdoor UnitCompressor External FinishRefrigerant Heater NozzleCombination Gas Valve IgniterTransformer ATR-1581T2-U Other Component SpecificationsThermistor Coil sensor Thermistor Room sensorAuto Reset Temperature Limiting Power Relay PRTransformer TR 4FF4L510034000 Thermistor 1 Discharge pressure PB3M-41EUnit Dimensional DataLocation of Service Valves PCB a Internal ComponentsPTC Combination Gas Valve Proportional Control Valve Major ComponentsGas Nozzle Combustion Blower Main BurnerRefrigerant Heater Refrigerant Flow Diagram Refrigerant Flow DiagramCooling Characteristics Performance ChartsHeating Characteristics Performance DataCooling Air Throw Distance ChartsHeating Cooling Capacity 100 Heating CapacityElectrical Data Electrical CharacteristicsCG1411 Cooling Indoor unit KGS1411 Electric Wiring DiagramsBM RV1 RV2 GV1 GV2 SD3 Printed circuit board POW-CG1411Installation Site Selection Installation InstructionsHot air Heat source Outdoor unit Obstacle above Wiring System Diagram Recommended Wire Length and DiameterMounting on a Wall Remote Control Unit Installation PositionRemovable mounting Non-removable mountingMotion Explanation FunctionHeating CoolingCombustion Control Safety ControlsCombustion Cooling Room Temperature ControlFreeze Prevention Cooling Heating Thermistor Refrigerant ControlCombustion Saving Function Reset FunctionSave Function Cold Draft Prevention Function During Heating Operation During Cooling Operation Automatic fan speed Fan Speed ControlDry Operation Dehumidification Normal Automatic OperationChanging fan speed Automatic During Cooling OperationCooling / Dry Cooling Zone Dry a Zone Freeze PreventionDry B Zone Overload Prevention Heating Cooling, Dry Operation FlowchartsOperation starts Operation lamp Procedure for Dismantling the Indoor Unit Procedure for Dismantling the UnitHow to remove grille How to remove PCBsHow to remove drain pan How to remove electrical component boxHow to detach fan and fan motor How to detach heat exchangerHow to remove the external panels Procedure for Dismantling the Outdoor UnitHow to detach the rear panel How to detach the combustion blowerHow to detach combination valve How to detach combination valve and gas conduitHow to detach burner unit How to detach ignition probe and flame sensor electrodeHow to detach gas nozzle Points to Diagnose Indoor Unit Alarm SignalManifold Pressure Components Checking Electrical Components11-3-3 Outdoor Unit 11-3-2 Indoor UnitCheck Before and After Troubleshooting TroubleshootingAbnormalities in Power Transformer Malfunction in Power SupplyIncorrect Wiring of Inter-unit Wiring Protective Circuit of Outdoor Burner Unit Operated Thermistor Abnormality Indoor Unit OnlyIndoor Fan is Defective Power Circuit Wiring ErrorOutdoor Unit Power Transformer Defective Outdoor Unit Power Supply FailureOutdoor Unit Compressor Motor Overload Relay Has Operated Outdoor Unit Compressor Motor Defective Outdoor Unit Fan Does Not WorkOutdoor Unit Fan Motor Defective Heating Operation Not Possible Flap Motor Does Not WorkLouver Motor Defective Thermistor 1 DefectiveErroneous Flame Detection Safety Device OperatedIgnition Failure Erroneous Flame-Out Condition 12-6-8. ON/OFF Valve Failure Combustion Blower Motor Abnormal RevolutionReversing Valve Failure Reset Method When Error Occurs During Heating Operation DC0V Failure Display on Outdoor Unit and Correction MethodBLK/WHT Connector Attachment for Servicing Special Precautions When Servicing the UnitService on Outdoor Unit Refrigerant RecoveryEvacuation Using Vacuum Pump Refer to Service Valve Construction shown in FigRefrigerant Charging VolumeCharging Gradation Level before ChargingReattaching BLK/WHT Connectors for Operation Appendix What to do if YOU Smell GAS For Your Safety Read Before OperationAlert Symbols ContentsProduct Information Features Electrical Requirements Installation LocationSafety Instructions Air intakes Names of PartsAir outlet Outdoor Condensing UnitPower switch to turn off power completely OFF position does not disconnect the power. Use the mainTimer lamp ReceiverSET Temp Button Timer on button TEMP. setting buttonsTimer OFF button TransmitterHour off timer HR. Timer buttonGreen or red Auto Red HeatACL button Cover Using the Remote Control UnitUsing the Remote Control Unit Press the ON/OFF operation button Operation with the Remote Control UnitOperation with the Remote Control Unit Manual Operation When difference between Room temperature and set Automatic Cooling and DRY mode Heating mode ManualTemperature is Temperature is Over High Below 2 F MediumFan Only Night Setback Mode is used for saving energyButton Heating Mode Setting Temperature Press Hour TimeSetting Temperature Press Hour Hours Button TimeHow it works? Special RemarksHeating performance Clicking sound is heard from the air conditionerSetting procedure Using the 12-Hour on and OFF TimerCancellation procedure Press the Cancel button Using the 1-Hour OFF Timer Setting the airflow manually Adjusting the Airflow DirectionSweep function Care and Cleaning Operation without the Remote Control UnitCasing and Grille Indoor Unit How to replace the anti-mold filter Anti-mold filter How to remove the anti-mold filterAir intake grille Anti-mold filterFilter AirArm Tips for Energy Saving TroubleshootingOperating Range For Parts or Service Contact

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