Manuals / Panasonic / Household Appliance / Air Conditioner

Panasonic CU-KS18NKU, CS-KS18NKU service manual Dimensional Data, CS-KS24NKU

Models: CS-KS18NKU CU-KS18NKU

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3. DIMENSIONAL DATA

Indoor Unit CS-KS18NKU

CS-KS24NKU

CS-KS18NKU

Unit: inch(mm) (852-0-0010-216-00-0)

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Panasonic CU-KS18NKU, CS-KS18NKU service manual Dimensional Data, CS-KS24NKU

Contents

Indoor Unit CS-KS18NKU+ CU-KS18NKU+ CU-KS18NKUACS-KS24NKU+ CU-KS24NKU+ CU-KS24NKUA Outdoor UnitSAFETY PRECAUTIONS which may cause a unit breakdown 4. REFRIGERANT FLOW DIAGRAM Table of ContentsSPECIFICATIONS 7. MAINTENANCEAPPENDIX A SPECIAL PRECAUTIONS WHEN SERVICING UNIT11. REFRIGERANT R410A APPENDIX BOutdoor Air Intake Temp 1. OPERATING RANGEIndoor Air Intake Temp CoolingVoltage Rating 2. SPECIFICATIONS2-1.Unit Specifications icalOutdoor Unit Indoor UnitCS-KS18NKU CU-KS18NKUVoltage Rating CS-KS24NKUCU-KS24NKU icalVoltage Rating CS-KS24NKUCU-KS24NKU icalVoltage Rating CS-KS18NKUCU-KS18NKUA icalVoltage Rating CS-KS18NKUCU-KS18NKUA icalOutdoor Unit CU-KS24NKUA Indoor UnitCS-KS24NKU < 230V >Outdoor Unit Indoor UnitCS-KS24NKU CU-KS24NKUAControl PCB 2-2.Major Component Specifications2-2-1.Indoor Unit Fan MotorFan Motor Indoor Unit CS-KS24NKUControl PCB Flap MotorCompressor 2-2-2.Outdoor UnitControl PCB Fan MotorFan Motor Control PCBCompressor Heat Exchanger CoilFan Motor Control PCBCompressor Heat Exchanger CoilFan Motor Control PCBCompressor Heat Exchanger Coil2-3.Other Component Specifications 3. DIMENSIONAL DATA CS-KS24NKUCU-KS18NKUA CU-KS24NKUA Unit: inchmm4-1.Refrigerant Flow Diagram 4. REFRIGERANT FLOW DIAGRAMInsulation of Refrigerant Tubing 5-1.Temperature Charts 5. PERFORMANCE DATA3 Indoor discharge air performance chart 1 Low pressure performance chart2 Operating current performance chart Indoor Unit CS-KS18NKU Outdoor Unit CU-KS18NKUA3 Indoor discharge air performance chart 1 Low pressure performance chart2 Operating current performance chart Indoor Unit CS-KS24NKU Outdoor Unit CU-KS24NKU3 Indoor discharge air performance chart 1 Low pressure performance chart2 Operating current performance chart Indoor Unit CS-KS24NKU Outdoor Unit CU-KS24NKUACS-KS18NKU 5-2.Cooling CapacityOutdoor Unit CU-KS18NKU / CU-KS18NKUA CS-KS24NKU Outdoor Unit : CU-KS24NKU / CU-KS24NKUAIndoor Unit : CS-KS18NKU 5-3.Cooling Capacity Low AmbientPower Supply : 230V Single Phase 60Hz Outdoor Unit : CU-KS18NKUACS-KS24NKU CU-KS24NKUA5-4.Air Throw Distance Charts Cooling Indoor Unit 6-1.Electrical Characteristics6. ELECTRICAL DATA CS-KS18NKUCS-KS24NKU Indoor UnitOutdoor Unit CU-KS24NKUA LAMP 6-2.Electric Wiring DiagramsASSY 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 UnitHow to Connect How to DisconnectPull the cover upward Emergency operation 8. FUNCTIONS8-1.Operation Functions SENSOR DRYNIGHT SETBACK HIGH POWERTimer backup Lamp colorsFreeze prevention Compressor discharge temperature control8-2.Protective Functions CT Peak current cut-offcontrol9-2.Method of Self-Diagnostics 9. TROUBLESHOOTING BEFORE CALLING FOR SERVICEPROCEDURE DIAGNOSIS CONTENTS INDOOR UNIT 1 OPERATION lamp 2 TIMER lampREMOTE CONTROL receiver 3 QUIET lamp OPERATION buttonCheck the indoor unit Is the fuse blown? 2If the self-diagnosticsfunction fails to operateCheck the power voltage 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 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 Unit10-2.Checking Continuity of Fuse on PCB Assy Fig.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 UnitsCS-KS18NKU+ CU-KS18NKU+ CU-KS18NKUA APPENDIX A Operating InstructionsCS-KS24NKU+ CU-KS24NKU+ CU-KS24NKUA CS-KS18NKU Operating InstructionsSplit System Air Conditioner CU-KS18NKUSAFETY PRECAUTIONS FEATURESCONTENTS PRODUCT INFORMATIONSAFETY INSTRUCTIONS INSTALLATION LOCATIONELECTRICAL REQUIREMENTS •Refrigerant gas leakage may cause fire Remote Controller NAMES OF PARTSRemote Controller Drain Hose Refrigerant Tubes 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. Operation2.Adjusting the Fan Speed OPERATION WITH THE REMOTE CONTROLLER CONTINUED3.Fan Only Setting 4. Night Setback ModeOPERATION WITH THE REMOTE CONTROLLER CONTINUED temperature5. QUIET Mode 6. HIGH POWER ModeOPERATION WITH THE REMOTE CONTROLLER CONTINUED ‘‘DRY’’ Operation Remote ControllerSPECIAL REMARKS 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 CARE AND CLEANING CONTINUED WIRED REMOTE CONTROLLERWashing the grille with water Trouble TROUBLESHOOTING BEFORE CALLING FOR SERVICEOPERATING RANGE Possible CauseOutdoor Unit SPECIFICATIONSModel No Indoor UnitCS-KS18NKU+ CU-KS18NKU+ CU-KS18NKUA INSTALLATION INSTRCTIONSAPPENDIX B CS-KS24NKU+ CU-KS24NKU+ CU-KS24NKUAContents This air conditioner uses the refrigerant R410AWhen Installing… SPECIAL PRECAUTIONSWhen Transporting In Case of Improper Installationfins of the outdoor unit. You may get injured When ServicingOthers accidentally1-2.Accessories Supplied with Unit Table 1. General1-1.Tools Required for Installation not supplied 1-3.Optional Copper Tubing Kit2. Installation Site Selection About AboutBack FrontFig. 5f 1 Recommended dimensions of the baffle plates Air Intake BaffleAir Discharge Baffle Fig. 5g For Air Intake1. Air Intake Baffle 3 Installation procedure4 Precautions for installation 2. Air Discharge Baffle3-1.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-unitConnectionsPlasticcover 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 4-1.Wiring Instructions for the Outdoor Unit 4. How to Install the Outdoor UnitFig. 5-3.Caution before Connecting Tubes Tightly 5. Refrigerant Tubing5-2.Flaring Procedure with a Flare Tool 5-1.Use of the Flaring MethodTable tem. The valve core is similar to 6. Air PurgingAir Purging with a Vacuum Pump for Test Run those used in automobile tiresPage Fig. 59a Fig. 59b How to Test Run the Air ConditionerFig. 59c When opening or closing the service valve stem Basic Functions of the Service ValvesPump Down Pump Down ProcedureFig. 60c Service Valve Connections7. Remote Controller Installation Position Fig. 60dFig. 8. Address Switch8-1.Address Setting of the Remote Controller Fig.Page DC1111-0