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Panasonic CU-KS24NKUA Appendix B, Installation Instrctions, CS-KS18NKU+ CU-KS18NKU+ CU-KS18NKUA

Models: CU-KS24NKUA CS-KS24NKU CU-KS24NKU

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APPENDIX B

INSTALLATION INSTRCTIONS

CS-KS18NKU + CU-KS18NKU + CU-KS18NKUA

CS-KS24NKU + CU-KS24NKU + CU-KS24NKUA

(852-6-4190-576-00-0)

A-2

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Panasonic CU-KS24NKUA, CS-KS24NKU service manual Appendix B, Installation Instrctions, CS-KS18NKU+ CU-KS18NKU+ CU-KS18NKUA

Contents

CS-KS18NKU+ CU-KS18NKU+ CU-KS18NKUA CS-KS24NKU+ CU-KS24NKU+ CU-KS24NKUAIndoor Unit Outdoor UnitSAFETY PRECAUTIONS which may cause a unit breakdown Table of Contents SPECIFICATIONS4. REFRIGERANT FLOW DIAGRAM 7. MAINTENANCESPECIAL PRECAUTIONS WHEN SERVICING UNIT 11. REFRIGERANT R410AAPPENDIX A APPENDIX B1. OPERATING RANGE Indoor Air Intake TempOutdoor Air Intake Temp Cooling2. SPECIFICATIONS 2-1.Unit SpecificationsVoltage Rating icalIndoor Unit CS-KS18NKUOutdoor Unit CU-KS18NKUCS-KS24NKU CU-KS24NKUVoltage Rating icalCS-KS24NKU CU-KS24NKUVoltage Rating icalCS-KS18NKU CU-KS18NKUAVoltage Rating icalCS-KS18NKU CU-KS18NKUAVoltage Rating icalIndoor Unit CS-KS24NKUOutdoor Unit CU-KS24NKUA 230VIndoor Unit CS-KS24NKUOutdoor Unit CU-KS24NKUA2-2.Major Component Specifications 2-2-1.Indoor UnitControl PCB Fan MotorIndoor Unit CS-KS24NKU Control PCBFan Motor Flap Motor2-2-2.Outdoor Unit Control PCBCompressor Fan MotorControl PCB CompressorFan Motor Heat Exchanger CoilControl PCB CompressorFan Motor Heat Exchanger CoilControl PCB CompressorFan Motor Heat Exchanger Coil2-3.Other Component Specifications 3. DIMENSIONAL DATA CS-KS24NKUCU-KS18NKUA CU-KS24NKUA Unit inchmmInsulation of Refrigerant Tubing 4. REFRIGERANT FLOW DIAGRAM4-1.Refrigerant Flow Diagram 5-1.Temperature Charts 5. PERFORMANCE DATA1 Low pressure performance chart 2 Operating current performance chart3 Indoor discharge air performance chart Indoor Unit CS-KS18NKU Outdoor Unit CU-KS18NKUA1 Low pressure performance chart 2 Operating current performance chart3 Indoor discharge air performance chart Indoor Unit CS-KS24NKU Outdoor Unit CU-KS24NKU1 Low pressure performance chart 2 Operating current performance chart3 Indoor discharge air performance chart Indoor Unit CS-KS24NKU Outdoor Unit CU-KS24NKUAOutdoor Unit : CU-KS18NKU / CU-KS18NKUA 5-2.Cooling CapacityCS-KS18NKU CS-KS24NKU Outdoor Unit CU-KS24NKU / CU-KS24NKUA5-3.Cooling Capacity Low Ambient Power Supply : 230V Single Phase 60HzIndoor Unit : CS-KS18NKU Outdoor Unit : CU-KS18NKUACS-KS24NKU CU-KS24NKUA5-4.Air Throw Distance Charts Cooling 6-1.Electrical Characteristics 6. ELECTRICAL DATAIndoor Unit CS-KS18NKUOutdoor Unit CU-KS24NKUA Indoor UnitCS-KS24NKU 6-2.Electric Wiring Diagrams ASSYLAMP CONTROLLERand/or cleaning any electrical parts Outdoor Unit CU-KS18NKU CU-KS18NKUAand/or cleaning any electrical parts and/or cleaning any electrical parts 1P-CONNECTORWHT7. MAINTENANCE 7-1.Address Setting of the Remote Control UnitPull the cover upward How to DisconnectHow to Connect 8. FUNCTIONS 8-1.Operation FunctionsEmergency operation SENSOR DRYHIGH POWER Timer backupNIGHT SETBACK Lamp colorsCompressor discharge temperature control 8-2.Protective FunctionsFreeze prevention CT Peak current cut-offcontrolPROCEDURE 9. TROUBLESHOOTING BEFORE CALLING FOR SERVICE9-2.Method of Self-Diagnostics INDOOR UNIT 1 OPERATION lamp 2 TIMER lamp REMOTE CONTROL receiverDIAGNOSIS CONTENTS 3 QUIET lamp OPERATION button2If the self-diagnosticsfunction fails to operate Check the power voltage BlownCheck the indoor unit Is the fuse blown? Normal9-3.Checking the Indoor and Outdoor Units < Before the Operation > 3-1Condition: E01Continued from the previous page A 3-2Condition: E12 9-4.Trouble Diagnosis of Fan Motor 9-4-1.Indoor Fan Motor9-4-2.Outdoor Fan Motor Diagnostic procedureDiagnostic results Remedy for symptom 3 toLocations most susceptible to noise TroubleCorrection Locations most susceptible to noise10-1-1.Power Supply Cord 10. CHECKING ELECTRICAL COMPONENTS10-1.Measurement of Insulation Resistance 10-1-2.Indoor UnitFig. 10-2.Checking Continuity of Fuse on PCB AssyFig. SPECIAL PRECAUTIONS WHEN SERVICING UNIT 11-1.Characteristics of New Refrigerant R410A11-1-1.What is New Refrigerant R410A? 11-1-3.Characteristics11-2.Checklist before Servicing Tubing precautionsSize of flare 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 11-7-1.When Tubes are Extended 11-7.Charging Additional Refrigerant11-8. Retro-FittingExisting Systems 11-8-1.Use of Existing UnitsCS-KS24NKU+ CU-KS24NKU+ CU-KS24NKUA APPENDIX A Operating InstructionsCS-KS18NKU+ CU-KS18NKU+ CU-KS18NKUA Operating Instructions Split System Air ConditionerCS-KS18NKU CU-KS18NKUFEATURES CONTENTSSAFETY PRECAUTIONS PRODUCT INFORMATIONELECTRICAL REQUIREMENTS INSTALLATION LOCATIONSAFETY INSTRUCTIONS •Refrigerant gas leakage may cause fire NAMES OF PARTS Remote Controller Drain Hose Refrigerant TubesRemote Controller Air Intakes INDOOR UNIT Air OutletUNIT DISPLAY AND OPERATION BUTTON REMOTE CONTROLLER DISPLAY REMOTE CONTROLLER REMOTE CONTROLLER CONTINUED USING THE REMOTE CONTROLLER REMOTE CONTROLLER CONTINUEDUSING THE REMOTE CONTROLLER CONTINUED OPERATION WITH THE REMOTE CONTROLLER 1. Operation3.Fan Only OPERATION WITH THE REMOTE CONTROLLER CONTINUED2.Adjusting the Fan Speed 4. Night Setback Mode OPERATION WITH THE REMOTE CONTROLLER CONTINUEDSetting temperatureOPERATION WITH THE REMOTE CONTROLLER CONTINUED 6. HIGH POWER Mode5. QUIET Mode Remote Controller SPECIAL REMARKS‘‘DRY’’ Operation Cooling 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 CONTROLLER CARE AND CLEANINGCARE AND CLEANING CONTINUED Washing the grille with water WIRED REMOTE CONTROLLERCARE AND CLEANING CONTINUED TROUBLESHOOTING BEFORE CALLING FOR SERVICE OPERATING RANGETrouble Possible CauseSPECIFICATIONS Model NoOutdoor Unit Indoor UnitINSTALLATION INSTRCTIONS APPENDIX BCS-KS18NKU+ CU-KS18NKU+ CU-KS18NKUA CS-KS24NKU+ CU-KS24NKU+ CU-KS24NKUAContents This air conditioner uses the refrigerant R410ASPECIAL PRECAUTIONS When TransportingWhen Installing… In Case of Improper InstallationWhen Servicing Othersfins of the outdoor unit. You may get injured accidentally1. General 1-1.Tools Required for Installation not supplied1-2.Accessories Supplied with Unit Table 1-3.Optional Copper Tubing Kit2. Installation Site Selection About AboutFig. 5f FrontBack Air Intake Baffle Air Discharge Baffle1 Recommended dimensions of the baffle plates Fig. 5g For Air Intake3 Installation procedure 4 Precautions for installation1. Air Intake Baffle 2. Air Discharge Baffle3. How to Install the Indoor Unit trical wiring or conduits are3-1.Remove the Rear Panel from the Unit 3-2.Make a Hole3-3.Install the Rear Panel on the Wall Tablea If Wooden Wall b If Block, Brick, Concrete or Similar Type Wall3-4.Remove the Grille to Install the Indoor Unit How to remove the grilleHow to replace the grille Fig. 19b3-6.Wiring Instructions General precautions on wiring3-5.Shape the Indoor Side Tubing Fig.3-7.Recommended Wire Length and Diameter 3-8.Wiring Instructions for Inter-unitConnections Plasticcover Wiring 10 25 cmInter-unitwiring Earth plate Lock nut Top of conduit connectorHow to connect wiring to the terminal 3-9.Mounting Right-sidetubingFig. 37a Fig. 37bLeft-sidetubing To unmount indoor unit Fig. 4. How to Install the Outdoor Unit4-1.Wiring Instructions for the Outdoor Unit 5. Refrigerant Tubing 5-2.Flaring Procedure with a Flare Tool5-3.Caution before Connecting Tubes Tightly 5-1.Use of the Flaring MethodTable 6. Air Purging Air Purging with a Vacuum Pump for Test Runtem. The valve core is similar to those used in automobile tiresFig. Fig. 59c How to Test Run the Air ConditionerFig. 59a Fig. 59b Basic Functions of the Service Valves Pump DownWhen opening or closing the service valve stem Pump Down ProcedureService Valve Connections 7. Remote Controller Installation PositionTable Fig. 60c8. Address Switch 8-1.Address Setting of the Remote ControllerFig. Fig.Page DC1111-0