Sanyo KHS3082 + CH3082 Normal, Replace the controller, Replace the circuit board or the fuse

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(2)If the self-diagnostics function fails to operate Check the indoor unit.

Is the fuse blown?

Normal

Replace the controller.

No indicators illuminate and the indoor fan does not rotate. Check the power voltage.

Blown

Replace the circuit board or the fuse.

43

Image 43

Contents Destination North America Indoor Model No. Product Code NoSafety Precautions Prohibit Table of Contents Checking Electrical Components Indoor Air Intake Temp Outdoor Air Intake Temp Operating RangeCH3082 SpecificationsUnit Specifications KHS3082208V CH3682 KHS368221.9 19.9 Indoor Unit Major Component SpecificationsCB-KHS3682 Microprocessor 250V 3A Compressor Outdoor UnitOutdoor Unit CH3082 BoardOutdoor Unit CH3682 Other Component Specifications Indoor Unit KHS3082 Dimensional DataInchmm Refrigerant Flow Diagram Refrigerant Flow DiagramIndoor discharge air performance chart Temperature ChartsLow pressure performance chart Operating current performance chartHigh pressure performance chart Wide Outdoor inlet air D.B. temp. FC Indoor Outdoor Cooling CapacityIndoor Cooling Capacity34,000 BTU/h Indoor Power Supply 230V Single Phase 60Hz Cooling CapacityHeating Capacity Power Supply 230V Single Phase 60Hz Heating CapacityTH Total Heating Capacity BTU/h 36,000 BTU/h Heating Vertical distance ft Air Throw Distance ChartsCooling Vertical distance ft Room air temp F 26.7C Fan speed High Horizontal distance ftHeating Voltage208V Cooling Electrical CharacteristicsElectrical Data CH3082 Voltage230V CoolingCH3682 Voltage230V Cooling KHS3082 KHS3682 Electric Wiring Diagrams8FA2-5250-70400-3 HIC Auto cooling/heating operation FunctionsOperation Functions Emergency operationLamp colors Timer backupNoise Reducing Control Outdoor Unit Switching Procedure to Noise Reducing ControlOperation Sound CH3682 Maximum Current Value Change ProcedureMaximum Current Value Change Function Description of functionFreeze prevention Compressor discharge temperature controlProtective Functions Overload prevention during heatingCT Peak current cut-off control Defrost detection and releaseReverse-Cycle Defrosting Precautions before Performing Inspection or Repair TroubleshootingMethod of Self-Diagnostics Self-diagnostics Lamps Replace the controller NormalReplace the circuit board or the fuse Checking the Indoor and Outdoor Units Using the TEST/T-RUN terminalsChecking the indoor unit Control Check items unit operation Before the Operation Serial Communication Error Identification ProcedureAlarm Code E05 Off Blinking IlluminatedTerminal board Outdoor Unit Alarm Code E07/P04/P05/P20/P27 Indoor Fan Motor Trouble Diagnosis of Fan MotorOutdoor Fan Motor Locations most susceptible to noise Trouble Correction Noise Malfunction and Electromagnetic InterferenceNoise malfunction Electromagnetic interferenceMeasurement of Insulation Resistance for Electrical Parts Power Supply CordChecking Electrical Components Measurement of Insulation ResistanceChecking Continuity of Fuse on PCB Assy Characteristics Refrigerant R410A Special Precautions When Servicing UnitCharacteristics of New Refrigerant R410A What is New Refrigerant R410A?Checklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresCase of Compressor Malfunction Procedure for Replacing CompressorExample Never charge a large amountUnit. This may cause Damage to the compressorWelding leaking points Case Refrigerant is LeakingRecharging Use of Existing Units When Tubes are ExtendedCharging Additional Refrigerant Retro-Fitting Existing SystemsOI-852-6-4181-149-00-0 Pub. OI-85264181149000 Sanyo Mode D’EMPLOIContents FeaturesProduct Information Alert SymbolsInstallation Location Safety InstructionsUnit Display and Operation Button Names of PartsSymbols Remote Control Unit DisplayRemote Control Unit High Power button HR. Timer button 1-HOUR OFF TimerTemperature setting buttons Temp Mode selector button16 mm Using the Remote Control UnitAir conditioner Indoor unit Receiver Remote control unit ACL buttonAutomatic Operation Operation with the Remote Control UnitManual fan speed Cooling and DRY ModeHeating Mode Automatic fan speedUnoccupied Indication Status High Power ModeSpecial Remarks Operation Indication Setting the Timer1030 pm 710 am 1100 am Present time Using the 1-HOUR OFF TimerTips for Energy Saving Do notWhen the air conditioner is not running Adjusting the Airflow DirectionOperation Without the Remote Control Unit Care and CleaningCleaning the main unit and remote control unit Air Clean FilterHow to install the air clean filter How to clean the air clean filterWashing the front panel with water TroubleshootingWired Remote Controller Operating RangeAppendix B Installation Instructions Contents Installation InstructionsPlease Read Before Starting Optional Copper Tubing Kit Tools Required for Installation not suppliedAccessories Supplied with Unit Table GeneralAdditional Materials Required for Installation Installation Site SelectionSolid base must not cover the hole of the bottom plate Countermeasures against snow and wind Precautions for Installation in a Snowy AreaUnit inch Required space around the outdoor unit Installation with intakes facing outletsFront and both sides must remain open Unit Multiple-unit installation 2 or more units Top is open Single-unit installationObstacle to the front of unit Obstacles to the front and rear of unit Installation in front-rear rowsMake a Hole How to Install the Indoor UnitTrical wiring or conduits are Remove the Rear Panel from the UnitHole Dia Install the Rear Panel on the WallIf Wooden Wall If Block, Brick, Concrete or Similar Type WallHow to remove the grille Removing and Installing the GrilleHow to replace the grille Shape the Indoor Side Tubing Wiring Instructions General precautions on wiringWire Size and Length Wiring Instructions for Inter-unit Connections For Outdoor Unit For solid core wiring or F-cable How to connect wiring to the terminal For Indoor UnitFor stranded wiring Right-side tubing MountingLeft-side tubing Switching drain hose and drain capDrain cap Frame Fastening Method Do not supply power toTubing and wiring to the out To unmount indoor unitRouting the Tubing and Wiring How to Install the Outdoor UnitFirst refer to . Installation Site Selection Wiring Instructions for the Outdoor UnitIf the special R410A flare tool is used Flaring Procedure with a Flare ToolRefrigerant Tubing Use of the Flaring MethodTaping the Tubes Connecting Tubing between Indoor and Outdoor UnitsFinishing the Installation Insulation of Refrigerant TubingAir Purging Hex wrench before Be sure to completely insertAttempting to turn the valve How to Test Run the Air Conditioner Pump Down Basic Functions of the Service ValvesRemote Control Unit Installation Position Service Valve ConnectionsAddress Setting of the Remote Control Unit Address Switch