Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo CH1872, CH2472 SANYO Commercial Solutions, A Division of SANYO North America Corporation

Models: CH1872 CH2472

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SANYO Commercial Solutions

A Division of SANYO North America Corporation

1300 Michael Drive, Suite A

Wood Dale, IL 60191, U.S.A.

Sanyo Canada Inc.

1-300 Applewood Crescent, Concord, Ontario L4K 5C7, CANADA

Jan. / 2009 (T)

Page 111

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Sanyo CH1872, CH2472 SANYO Commercial Solutions, A Division of SANYO North America Corporation, Michael Drive, Suite A

Contents

CH1872 KHS1872 + CH1872 KHS2472 + CH2472DC INVERTER SPLIT SYSTEM AIR CONDITIONER KHS1872When Installing SPECIAL PRECAUTIONSWARNING When Wiring When TransportingMAINTENANCE Table of ContentsSPECIFICATIONS REFRIGERANT FLOW DIAGRAM11.REFRIGERANT R410A SPECIAL PRECAUTIONS WHEN SERVICING UNITINSTALLAION INSTRUCTIONS 10. CHECKING ELECTRICAL COMPONENTS1. OPERATING RANGE Indoor Air Intake TempOutdoor Air Intake Temp Weight 2. SPECIFICATIONS2-1.Unit Specifications FeaturesCH1872 Indoor UnitKHS1872 Outdoor UnitKHS2472 CH2472Voltage Rating KHS2472 CH2472Voltage Rating Control PCB 2-2.Major Component Specifications2-2-1.Indoor Unit Remote Control Unit FanFlap Motor Remote Control Unit FanControl PCB Fan MotorFan Motor 2-2-2.Outdoor UnitControl PCB CompressorHeat Exchanger Coil Control PCBCompressor Fan Motor2-3.Other Component Specifications KHS2472 3. DIMENSIONAL DATA11-17/32 1-3/8 11-17/32 1-3/8 4. REFRIGERANT FLOW DIAGRAM 4-1.Refrigerant Flow DiagramInsulation of Refrigerant Tubing 5. PERFORMANCE DATA 5-1.Temperature ChartsIndoor Unit 1 High pressure performance chart2 Operating current performance chart 3 Indoor discharge air performance chartCH2472 KHS2472CH2472 KHS24725-2.Cooling Capacity KHS1872CH1872 CH2472 KHS24725-3.Cooling Capacity Low Ambient KHS1872CH1872 CH2472 KHS24725-4.Heating Capacity KHS1872CH1872 CH2472 KHS24725-5.Air Throw Distance Charts Cooling 6. ELECTRICAL DATA 6-1.Electrical CharacteristicsCooling KHS2472CH2472 1 Voltage:230VIndoor Unit KHS1872 KHS2472 6-2.Electric Wiring Diagramsand/or cleaning any electrical parts WHT WHT and/or cleaning any electrical parts7-1.Address Setting of the Remote Control Unit 7. MAINTENANCEHow to Disconnect How to ConnectPull the cover upward AUTO cooling/heating operation 8. FUNCTIONS8-1.Operation Functions Emergency operationLamp colors HIGH POWERTimer backup NIGHT SETBACKFreeze prevention Compressor discharge temperature control8-2.Protective Functions Overload prevention during heatingDefrost detection and release CT Peak current cut-offcontrolDefrosting Sequence 9. TROUBLESHOOTING 9-2.Method of Self-DiagnosticsPROCEDURE 1Self-diagnosticsLamps Blown Is the fuse blown?Normal Replace the controller9-3.Checking the Indoor and Outdoor Units 3-1Condition: E01 < Before the Operation >Continued from the previous page A A Yes 3-2Condition: E12 9-4-1.Indoor Fan Motor 9-4.Trouble Diagnosis of Fan MotorRemedy for symptom 3 to 9-4-2.Outdoor Fan MotorDiagnostic procedure Diagnostic resultsLocations most susceptible to noise Locations most susceptible to noiseTrouble Correction10-1-2.Indoor Unit 10-1-1.Power Supply Cord10. CHECKING ELECTRICAL COMPONENTS 10-1.Measurement of Insulation Resistance10-2.Checking Continuity of Fuse on PCB Assy Fig.Fig. 11-1-3.Characteristics SPECIAL PRECAUTIONS WHEN SERVICING UNIT11-1.Characteristics of New Refrigerant R410A 11-1-1.What is New Refrigerant R410A?No addition of compressor oil for R410A 11-2.Checklist before ServicingTubing precautions Size of flare11-3.Tools Specifically for R410A 11-4.Tubing Installation Procedures11-5.In Case of Compressor Malfunction 11-5-1.Procedure for Replacing CompressorPage 11-6.In Case Refrigerant is Leaking 11-8-1.Use of Existing Units 11-7-1.When Tubes are Extended11-7.Charging Additional Refrigerant 11-8. Retro-FittingExisting SystemsKHS1872 + CH1872 KHS2472 + CH2472 APPENDIX A INSTRUCTION MANUALFeatures Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Air intakes INDOOR UNIT Air outlet Names of PartsRemote control unit Drain hose Refrigerant tubes Remote Control UnitUnit Display and Operation Button Remote Control Unit Display Remote Control Unit AUTO Remote Control Unit continuedHIGH POWER button QUIET buttonRemote Control Unit continued Using the Remote Control UnitUsing the Remote Control Unit continued 1. Automatic Operation Operation with the Remote Control Unit2. Manual Operation Operation with the Remote Control Unit continuedSTEP STEP STEP 3.Adjusting the Fan Speed4.Fan Only Operation with the Remote Control Unit continuedOperation with the Remote Control Unit continued 5. Night Setback ModeOperation with the Remote Control Unit continued 7. HIGH POWER Mode6. QUIET Mode 8. ION ModeHeating Operation Remote Control UnitSpecial Remarks ‘‘DRY’’ Operation1.How to set the present time Setting the TimerREPEAT timer Setting the Timer continuedTips for Energy Saving Using the 1-HourOFF TimerAdjusting the Airflow Direction Care and Cleaning Operation without the Remote Control UnitAnti-moldfilter FRONT mark Hook Groove Pin Care and Cleaning continuedCleaning Anti-moldfilterAir Clean Filter Care and Cleaning continuedPossible Cause TroubleshootingOperating Range TroubleKHS1872 + CH1872 KHS2472 + CH2472 APPENDIX B INSTALLATION INSTRUCTIONSContents INSTALLATION INSTRUCTIONSNOTE Refrigerant service valve size = 5/16 When Installing… SPECIAL PRECAUTIONSIn Case of Improper Installation When Transporting1-3.Optional Copper Tubing Kit 1. General1-1.Tools Required for Installation not supplied 1-2.Accessories Supplied with Unit Table2. Installation Site Selection Page 3-2.Make a Hole 3. How to Install the Indoor Unittrical wiring or conduits are 3-1.Remove the Rear Panel from the Unitb If Block, Brick, Concrete or Similar Type Wall 3-3.Install the Rear Panel on the WallTable a If Wooden WallFig. 19b 3-4.Remove the Grille to Install the Indoor UnitHow to remove the grille How to replace the grilleFig. 3-6.Wiring InstructionsGeneral precautions on wiring 3-5.Shape the Indoor Side Tubing3-7.Recommended Wire Length and Diameter Top of conduit connector 3-8.Wiring Instructions for Inter-unitConnectionsPlastic cover Wiring 10 25 cm Inter-unitwiring Earth plate Lock nutHow to connect wiring to the terminal Fig. 37b 3-9.MountingRight-sidetubing Fig. 37aLeft-sidetubing To unmount indoor unit 4. How to Install the Outdoor Unit 4-1.Wiring Instructions for the Outdoor UnitFig. 5-1.Use of the Flaring Method 5. Refrigerant Tubing5-2.Flaring Procedure with a Flare Tool 5-3.Caution before Connecting Tubes TightlyTable 6. Air Purging Be sure to completely insert the hex wrench beforeFig. How to Test Run the Air Conditioner Fig. 59a Fig. 59bFig. 59c Pump Down Basic Functions of the Service Valves7. Remote Control Unit Installation Position 7-1.Mounting on a WallFig. Fig. 8. Address Switch8-1.Address Setting of the Remote Control Unit Fig.Wood Dale, IL 60191, U.S.A Sanyo Canada Inc SANYO Commercial SolutionsA Division of SANYO North America Corporation 1300 Michael Drive, Suite A