Sanyo KHS3682 + CH3682, KHS3082 + CH3082 service manual Checking Electrical Components

Page 5

 

 

Page

9. CHECKING ELECTRICAL COMPONENTS

 

9-1.

Measurement of Insulation Resistance

51

9-2.

Checking Continuity of Fuse on PCB Ass'y

52

10.REFRIGERANT R410A:

SPECIAL PRECAUTIONS WHEN SERVICING UNIT

10-1. Characteristics of New Refrigerant R410A

53

10-2.

Checklist before Servicing

54

10-3. Tools Specifically for R410A

55

10-4.

Tubing Installation Procedures

55

10-5. In Case of Compressor Malfunction

56

10-6. In Case Refrigerant is Leaking

58

10-7.

Charging Additional Refrigerant

59

10-8.

Retro-Fitting Existing Systems

59

 

INSTRUCTION MANUAL

A-1

APPENDIX A

 

INSTALLAION INSTRUCTIONS

A-2

APPENDIX B

5

Image 5
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 CapacityTH Total Heating Capacity BTU/h Power Supply 230V Single Phase 60Hz Heating CapacityHeating Capacity 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 8FA2-5250-70400-3 Electric Wiring DiagramsKHS3082 KHS3682 HIC Operation Functions FunctionsEmergency operation Auto cooling/heating operationLamp colors Timer backupOperation Sound Switching Procedure to Noise Reducing ControlNoise Reducing Control Outdoor Unit Maximum Current Value Change Function Maximum Current Value Change ProcedureDescription of function CH3682Protective Functions Compressor discharge temperature controlOverload prevention during heating Freeze preventionReverse-Cycle Defrosting Defrost detection and releaseCT Peak current cut-off control Method of Self-Diagnostics TroubleshootingPrecautions before Performing Inspection or Repair Self-diagnostics Lamps Replace the circuit board or the fuse NormalReplace the controller Checking the indoor unit Control Check items unit operation Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units 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 ExampleRecharging Case Refrigerant is LeakingWelding leaking points 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 Front and both sides must remain open Installation with intakes facing outletsRequired space around the outdoor unit Unit Obstacle to the front of unit Top is open Single-unit installationMultiple-unit installation 2 or more units 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 replace the grille Removing and Installing the GrilleHow to remove the grille Shape the Indoor Side Tubing Wiring Instructions General precautions on wiringWire Size and Length Wiring Instructions for Inter-unit Connections For stranded wiring How to connect wiring to the terminal For Indoor UnitFor Outdoor Unit For solid core wiring or F-cable Right-side tubing MountingDrain cap Switching drain hose and drain capLeft-side tubing 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 Attempting to turn the valve Be sure to completely insertHex wrench before 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