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Sanyo service manual Appendix B Installation Instructions, KHS1872 + CH1872 KHS2472 + CH2472

Models: CH1872 CH2472

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APPENDIX B INSTALLATION INSTRUCTIONS

KHS1872 + CH1872 KHS2472 + CH2472

(II-852-6-4189-989-00-3)

A-2

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Sanyo service manual Appendix B Installation Instructions, KHS1872 + CH1872 KHS2472 + CH2472

Contents

KHS1872 KHS1872 + CH1872 KHS2472 + CH2472DC INVERTER SPLIT SYSTEM AIR CONDITIONER CH1872When Transporting SPECIAL PRECAUTIONSWARNING When Wiring When InstallingREFRIGERANT FLOW DIAGRAM Table of ContentsSPECIFICATIONS MAINTENANCE10. CHECKING ELECTRICAL COMPONENTS SPECIAL PRECAUTIONS WHEN SERVICING UNITINSTALLAION INSTRUCTIONS 11.REFRIGERANT R410AOutdoor Air Intake Temp 1. OPERATING RANGEIndoor Air Intake Temp Features 2. SPECIFICATIONS2-1.Unit Specifications WeightOutdoor Unit Indoor UnitKHS1872 CH1872Voltage Rating KHS2472CH2472 Voltage Rating KHS2472CH2472 Remote Control Unit Fan 2-2.Major Component Specifications2-2-1.Indoor Unit Control PCBFan Motor Remote Control Unit FanControl PCB Flap MotorCompressor 2-2-2.Outdoor UnitControl PCB Fan MotorFan Motor Control PCBCompressor Heat Exchanger Coil2-3.Other Component Specifications 3. DIMENSIONAL DATA KHS247211-17/32 1-3/8 11-17/32 1-3/8 Insulation of Refrigerant Tubing 4. REFRIGERANT FLOW DIAGRAM4-1.Refrigerant Flow Diagram 5-1.Temperature Charts 5. PERFORMANCE DATA3 Indoor discharge air performance chart 1 High pressure performance chart2 Operating current performance chart Indoor UnitKHS2472 CH2472KHS2472 CH2472CH1872 5-2.Cooling CapacityKHS1872 KHS2472 CH2472CH1872 5-3.Cooling Capacity Low AmbientKHS1872 KHS2472 CH2472CH1872 5-4.Heating CapacityKHS1872 KHS2472 CH24725-5.Air Throw Distance Charts Cooling 6-1.Electrical Characteristics 6. ELECTRICAL DATA1 Voltage:230V KHS2472CH2472 Cooling6-2.Electric Wiring Diagrams Indoor Unit KHS1872 KHS2472and/or cleaning any electrical parts and/or cleaning any electrical parts WHT WHT7. MAINTENANCE 7-1.Address Setting of the Remote Control UnitPull the cover upward How to DisconnectHow to Connect Emergency operation 8. FUNCTIONS8-1.Operation Functions AUTO cooling/heating operationNIGHT SETBACK HIGH POWERTimer backup Lamp colorsOverload prevention during heating Compressor discharge temperature control8-2.Protective Functions Freeze preventionDefrosting Sequence Defrost detection and releaseCT Peak current cut-offcontrol PROCEDURE 9. TROUBLESHOOTING9-2.Method of Self-Diagnostics 1Self-diagnosticsLamps Replace the controller Is the fuse blown?Normal Blown9-3.Checking the Indoor and Outdoor Units < Before the Operation > 3-1Condition: E01Continued from the previous page A A Yes 3-2Condition: E12 9-4.Trouble Diagnosis of Fan Motor 9-4-1.Indoor Fan MotorDiagnostic results 9-4-2.Outdoor Fan MotorDiagnostic procedure Remedy for symptom 3 toCorrection Locations most susceptible to noiseTrouble Locations most susceptible to noise10-1.Measurement of Insulation Resistance 10-1-1.Power Supply Cord10. CHECKING ELECTRICAL COMPONENTS 10-1-2.Indoor UnitFig. 10-2.Checking Continuity of Fuse on PCB AssyFig. 11-1-1.What is New Refrigerant R410A? SPECIAL PRECAUTIONS WHEN SERVICING UNIT11-1.Characteristics of New Refrigerant R410A 11-1-3.CharacteristicsSize of flare 11-2.Checklist before ServicingTubing precautions No addition of compressor oil for R410A11-4.Tubing Installation Procedures 11-3.Tools Specifically for R410A11-5-1.Procedure for Replacing Compressor 11-5.In Case of Compressor MalfunctionPage 11-6.In Case Refrigerant is Leaking 11-8. Retro-FittingExisting Systems 11-7-1.When Tubes are Extended11-7.Charging Additional Refrigerant 11-8-1.Use of Existing UnitsAPPENDIX A INSTRUCTION MANUAL KHS1872 + CH1872 KHS2472 + CH2472Features Product Information ContentsAlert Symbols Electrical Requirements Installation LocationSafety Instructions Remote Control Unit Names of PartsRemote control unit Drain hose Refrigerant tubes Air intakes INDOOR UNIT Air outletUnit Display and Operation Button Remote Control Unit Display Remote Control Unit QUIET button Remote Control Unit continuedHIGH POWER button AUTOUsing the Remote Control Unit Remote Control Unit continuedUsing the Remote Control Unit continued Operation with the Remote Control Unit 1. Automatic OperationOperation with the Remote Control Unit continued 2. Manual OperationOperation with the Remote Control Unit continued 3.Adjusting the Fan Speed4.Fan Only STEP STEP STEP5. Night Setback Mode Operation with the Remote Control Unit continued8. ION Mode 7. HIGH POWER Mode6. QUIET Mode Operation with the Remote Control Unit continued‘‘DRY’’ Operation Remote Control UnitSpecial Remarks Heating OperationSetting the Timer 1.How to set the present timeSetting the Timer continued REPEAT timerUsing the 1-HourOFF Timer Tips for Energy SavingAdjusting the Airflow Direction Operation without the Remote Control Unit Care and CleaningAnti-moldfilter Care and Cleaning continuedCleaning Anti-moldfilter FRONT mark Hook Groove PinCare and Cleaning continued Air Clean FilterTrouble TroubleshootingOperating Range Possible CauseAPPENDIX B INSTALLATION INSTRUCTIONS KHS1872 + CH1872 KHS2472 + CH2472NOTE Refrigerant service valve size = 5/16 ContentsINSTALLATION INSTRUCTIONS When Transporting SPECIAL PRECAUTIONSIn Case of Improper Installation When Installing…1-2.Accessories Supplied with Unit Table 1. General1-1.Tools Required for Installation not supplied 1-3.Optional Copper Tubing Kit2. Installation Site Selection Page 3-1.Remove the Rear Panel from the Unit 3. How to Install the Indoor Unittrical wiring or conduits are 3-2.Make a Holea If Wooden Wall 3-3.Install the Rear Panel on the WallTable b If Block, Brick, Concrete or Similar Type WallHow to replace the grille 3-4.Remove the Grille to Install the Indoor UnitHow to remove the grille Fig. 19b3-5.Shape the Indoor Side Tubing 3-6.Wiring InstructionsGeneral precautions on wiring Fig.3-7.Recommended Wire Length and Diameter Inter-unitwiring Earth plate Lock nut 3-8.Wiring Instructions for Inter-unitConnectionsPlastic cover Wiring 10 25 cm Top of conduit connectorHow to connect wiring to the terminal Fig. 37a 3-9.MountingRight-sidetubing Fig. 37bLeft-sidetubing To unmount indoor unit Fig. 4. How to Install the Outdoor Unit4-1.Wiring Instructions for the Outdoor Unit 5-3.Caution before Connecting Tubes Tightly 5. Refrigerant Tubing5-2.Flaring Procedure with a Flare Tool 5-1.Use of the Flaring MethodTable 6. Air Purging Fig. Be sure to completely insertthe hex wrench before Fig. 59c How to Test Run the Air ConditionerFig. 59a Fig. 59b Basic Functions of the Service Valves Pump DownFig. 7. Remote Control Unit Installation Position7-1.Mounting on a Wall Fig. 8. Address Switch8-1.Address Setting of the Remote Control Unit Fig.1300 Michael Drive, Suite A SANYO Commercial SolutionsA Division of SANYO North America Corporation Wood Dale, IL 60191, U.S.A Sanyo Canada Inc