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

Models: KHS3082 + CH3082 CH3682 CH3082 KHS3682 + CH3682

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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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Sanyo CH3082, KHS3682 + CH3682 service manual Indoor Model No. Product Code No, Destination North America

Contents

Destination North America Indoor Model No. Product Code No Safety Precautions Prohibit Table of Contents Checking Electrical Components Indoor Air Intake Temp Outdoor Air Intake Temp Operating Range Unit Specifications SpecificationsKHS3082 CH3082 208V CH3682 KHS3682 21.9 19.9 Indoor Unit Major Component Specifications CB-KHS3682 Microprocessor 250V 3A Outdoor Unit CH3082 Outdoor UnitBoard Compressor Outdoor Unit CH3682 Other Component Specifications Indoor Unit KHS3082 Dimensional Data Inchmm Refrigerant Flow Diagram Refrigerant Flow Diagram Low pressure performance chart Temperature ChartsOperating current performance chart Indoor discharge air performance chart High pressure performance chart Wide Outdoor inlet air D.B. temp. FC Indoor Outdoor Cooling Capacity Indoor Cooling Capacity 34,000 BTU/h Indoor Power Supply 230V Single Phase 60Hz Cooling Capacity Heating 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 ft Heating Electrical Data Electrical CharacteristicsCH3082 Voltage230V Cooling Voltage208V Cooling CH3682 Voltage230V Cooling KHS3082 KHS3682 Electric Wiring Diagrams8FA2-5250-70400-3 HIC Operation Functions FunctionsEmergency operation Auto cooling/heating operation Lamp colors Timer backup Noise Reducing Control Outdoor Unit Switching Procedure to Noise Reducing ControlOperation Sound Maximum Current Value Change Function Maximum Current Value Change ProcedureDescription of function CH3682 Protective Functions Compressor discharge temperature controlOverload prevention during heating Freeze prevention CT 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 Operation Terminal board Outdoor Unit Alarm Code E07/P04/P05/P20/P27 Indoor Fan Motor Trouble Diagnosis of Fan Motor Outdoor Fan Motor Noise malfunction Noise Malfunction and Electromagnetic InterferenceElectromagnetic interference Locations most susceptible to noise Trouble Correction Checking Electrical Components Power Supply CordMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical Parts Checking Continuity of Fuse on PCB Assy Characteristics of New Refrigerant R410A Refrigerant R410A Special Precautions When Servicing UnitWhat is New Refrigerant R410A? Characteristics Checklist before Servicing Tools Specifically for R410A Tubing Installation Procedures Case of Compressor Malfunction Procedure for Replacing Compressor Unit. This may cause Never charge a large amountDamage to the compressor Example Welding leaking points Case Refrigerant is LeakingRecharging Charging Additional Refrigerant When Tubes are ExtendedRetro-Fitting Existing Systems Use of Existing Units OI-852-6-4181-149-00-0 Pub. OI-85264181149000 Sanyo Mode D’EMPLOI Contents Features Installation Location Alert SymbolsSafety Instructions Product Information Unit Display and Operation Button Names of Parts Symbols Remote Control Unit Display Remote Control Unit Temperature setting buttons Temp HR. Timer button 1-HOUR OFF TimerMode selector button High Power button Air conditioner Indoor unit Receiver Remote control unit Using the Remote Control UnitACL button 16 mm Automatic Operation Operation with the Remote Control Unit Heating Mode Cooling and DRY ModeAutomatic fan speed Manual fan speed Unoccupied Indication Status High Power Mode Special Remarks Operation Indication Setting the Timer Tips for Energy Saving Using the 1-HOUR OFF TimerDo not 1030 pm 710 am 1100 am Present time Operation Without the Remote Control Unit Adjusting the Airflow DirectionCare and Cleaning When the air conditioner is not running How to install the air clean filter Air Clean FilterHow to clean the air clean filter Cleaning the main unit and remote control unit Wired Remote Controller TroubleshootingOperating Range Washing the front panel with water Appendix B Installation Instructions Contents Installation Instructions Please Read Before Starting Accessories Supplied with Unit Table Tools Required for Installation not suppliedGeneral Optional Copper Tubing Kit Additional Materials Required for Installation Installation Site Selection Solid base must not cover the hole of the bottom plate Countermeasures against snow and wind Precautions for Installation in a Snowy Area Unit 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 rows Trical wiring or conduits are How to Install the Indoor UnitRemove the Rear Panel from the Unit Make a Hole If Wooden Wall Install the Rear Panel on the WallIf Block, Brick, Concrete or Similar Type Wall Hole Dia How to remove the grille Removing and Installing the GrilleHow to replace the grille Shape the Indoor Side Tubing Wiring Instructions General precautions on wiring Wire 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 Mounting Left-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 Method First refer to . Installation Site Selection How to Install the Outdoor UnitWiring Instructions for the Outdoor Unit Routing the Tubing and Wiring Refrigerant Tubing Flaring Procedure with a Flare ToolUse of the Flaring Method If the special R410A flare tool is used Finishing the Installation Connecting Tubing between Indoor and Outdoor UnitsInsulation of Refrigerant Tubing Taping the Tubes Air 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 Valves Remote Control Unit Installation Position Service Valve Connections Address Setting of the Remote Control Unit Address Switch