Sanyo CH3682, CH3082 service manual Indoor Model No. Product Code No, Destination North America

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TECHNICAL & SERVICE MANUAL

KHS3082 + CH3082

KHS3682 + CH3682

FILE NO.

Destination: North America

DC INVERTER SPLIT SYSTEM AIR CONDITIONER

Indoor Model No. Product Code No.
KHS3082	1 852 354 28
KHS3682	1 852 354 29

Outdoor Model No. Product Code No.
CH3082	1 852 354 32
CH3682	1 852 354 33

Indoor Unit

Outdoor Unit

KHS3082	CH3082
KHS3682	CH3682

IMPORTANT

These air conditioners employ new refrigerant R410A.

Pay special attention when servicing the unit.

REFERENCE NO. SM700858

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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 RangeUnit Specifications SpecificationsKHS3082 CH3082208V CH3682 KHS368221.9 19.9 Indoor Unit Major Component SpecificationsCB-KHS3682 Microprocessor 250V 3A Outdoor Unit CH3082 Outdoor UnitBoard CompressorOutdoor Unit CH3682 Other Component Specifications Indoor Unit KHS3082 Dimensional DataInchmm Refrigerant Flow Diagram Refrigerant Flow DiagramLow pressure performance chart Temperature ChartsOperating current performance chart Indoor discharge air 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 Cooling Vertical distance ft Air Throw Distance ChartsRoom air temp F 26.7C Fan speed High Horizontal distance ft Heating Vertical distance ftHeating Electrical Data Electrical CharacteristicsCH3082 Voltage230V Cooling Voltage208V CoolingCH3682 Voltage230V Cooling KHS3082 KHS3682 Electric Wiring Diagrams8FA2-5250-70400-3 HIC Operation Functions FunctionsEmergency operation Auto cooling/heating operationLamp colors Timer backupNoise Reducing Control Outdoor Unit Switching Procedure to Noise Reducing ControlOperation Sound Maximum Current Value Change Function Maximum Current Value Change ProcedureDescription of function CH3682Protective Functions Compressor discharge temperature controlOverload prevention during heating Freeze preventionCT 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 Alarm Code E05 Serial Communication Error Identification ProcedureOff Blinking Illuminated Before the OperationTerminal board Outdoor Unit Alarm Code E07/P04/P05/P20/P27 Indoor Fan Motor Trouble Diagnosis of Fan MotorOutdoor Fan Motor Noise malfunction Noise Malfunction and Electromagnetic InterferenceElectromagnetic interference Locations most susceptible to noise Trouble CorrectionChecking Electrical Components Power Supply CordMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical PartsChecking Continuity of Fuse on PCB Assy Characteristics of New Refrigerant R410A Refrigerant R410A Special Precautions When Servicing UnitWhat is New Refrigerant R410A? CharacteristicsChecklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresCase of Compressor Malfunction Procedure for Replacing CompressorUnit. This may cause Never charge a large amountDamage to the compressor ExampleWelding leaking points Case Refrigerant is LeakingRecharging Charging Additional Refrigerant When Tubes are ExtendedRetro-Fitting Existing Systems Use of Existing UnitsOI-852-6-4181-149-00-0 Pub. OI-85264181149000 Sanyo Mode D’EMPLOIContents FeaturesInstallation Location Alert SymbolsSafety Instructions Product InformationUnit Display and Operation Button Names of PartsSymbols Remote Control Unit DisplayRemote Control Unit Temperature setting buttons Temp HR. Timer button 1-HOUR OFF TimerMode selector button High Power buttonAir conditioner Indoor unit Receiver Remote control unit Using the Remote Control UnitACL button 16 mmAutomatic Operation Operation with the Remote Control UnitHeating Mode Cooling and DRY ModeAutomatic fan speed Manual fan speedUnoccupied Indication Status High Power ModeSpecial Remarks Operation Indication Setting the TimerTips for Energy Saving Using the 1-HOUR OFF TimerDo not 1030 pm 710 am 1100 am Present timeOperation Without the Remote Control Unit Adjusting the Airflow DirectionCare and Cleaning When the air conditioner is not runningHow to install the air clean filter Air Clean FilterHow to clean the air clean filter Cleaning the main unit and remote control unitWired Remote Controller TroubleshootingOperating Range Washing the front panel with waterAppendix B Installation Instructions Contents Installation InstructionsPlease Read Before Starting Accessories Supplied with Unit Table Tools Required for Installation not suppliedGeneral Optional Copper Tubing KitAdditional 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 rowsTrical wiring or conduits are How to Install the Indoor UnitRemove the Rear Panel from the Unit Make a HoleIf Wooden Wall Install the Rear Panel on the WallIf Block, Brick, Concrete or Similar Type Wall Hole DiaHow 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 Tubing and wiring to the out Do not supply power toTo unmount indoor unit Frame Fastening MethodFirst refer to . Installation Site Selection How to Install the Outdoor UnitWiring Instructions for the Outdoor Unit Routing the Tubing and WiringRefrigerant Tubing Flaring Procedure with a Flare ToolUse of the Flaring Method If the special R410A flare tool is usedFinishing the Installation Connecting Tubing between Indoor and Outdoor UnitsInsulation of Refrigerant Tubing Taping the TubesAir 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