Manuals / Panasonic / Household Appliance / Air Conditioner

Panasonic CZ-18BT1U, CS-MKE9NB4U, CU-4KE31NBU, CU-4KE24NBU Applicable Multi-Outdoorunits

Models: CZ-18BT1U CS-KE18NB4UW CS-MKE12NB4U CU-3KE19NBU CU-4KE24NBU CU-4KE31NBU CS-MKE9NB4U

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APPLICABLE MULTI-OUTDOOR UNITS

Multi-Outdoor Unit	3-Room	4-Room	4-Room
Indoor Unit	CU-3KE19NBU	CU-4KE24NBU	CU-4KE31NBU
CS-MKE9NB4U & CZ-18BT1U	YES	YES	YES
CS-MKE12NB4U & CZ-18BT1U	YES	YES	YES
CS-KE18NB4UW & CZ-18BT1U	YES	YES	YES

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Panasonic CZ-18BT1U, CS-MKE9NB4U, CU-4KE31NBU, CU-4KE24NBU, CU-3KE19NBU, CS-MKE12NB4U Applicable Multi-Outdoorunits

Contents

TECHNICAL & SERVICE MANUAL INDOOR UNIT : CS-MKE9NB4U& CZ-18BT1UCS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U DC INVERTER MULTI-SYSTEMAIR CONDITIONERSAFETY PRECAUTIONS which may cause a unit breakdown 4. REFRIGERANT FLOW DIAGRAM TABLE OF CONTENTS2. SPECIFICATIONS 6. MAINTENANCECZ-RD515U CZ-RD515UAPPLICABLE MULTI-OUTDOORUNITS Indoor Air Intake Temp 1. OPERATING RANGETemperature Outdoor Air Intake TempDimensions & Weight Indoor Unit 2. SPECIFICATIONS2-1.Unit Specifications 2-1-1. Indoor Unit CS-MKE9NB4U& CZ-18BT1U<208V> Dimensions & Weight Indoor UnitCS-MKE9NB4U& CZ-18BT1U Type<230V> Dimensions & Weight Indoor Unit2-1-2. Indoor Unit CS-MKE12NB4U& CZ-18BT1U Type<208V> Dimensions & Weight Indoor UnitCS-MKE12NB4U& CZ-18BT1U Type<230V> Dimensions & Weight Indoor Unit2-1-3. Indoor Unit CS-KE18NB4UW& CZ-18BT1U Type<208V> Dimensions & Weight Indoor UnitCS-KE18NB4UW& CZ-18BT1U TypeControl PCB 2-2.Major Component Specifications2-2-1.Indoor Unit Fan MotorDrain Pump Control PCBFan Motor Heat Exchanger CoilDrain Pump Control PCBFan Motor Heat Exchanger CoilTemperature F C 2-3.Other Component SpecificationsTemperature F C Indoor Unit CS-MKE9NB4U& CZ-18BT1UCS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U 3. DIMENSIONAL DATAIndoor Unit CS-MKE9NB4U& CZ-18BT1U Unit inch mmIndoor Unit CS-MKE9NB4U& CZ-18BT1U 4-1.Refrigerant Flow Diagram4. REFRIGERANT FLOW DIAGRAM CS-MKE12NB4U& CZ-18BT1UIndoor Unit CS-MKE9NB4U& CZ-18BT1U 5-1.Electric Wiring Diagrams5. ELECTRICAL DATA CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U6-1-1.Remove the air intake grill 6. MAINTENANCE6-1.Disassembly Procedure Fig.1Fig.7 6-1-3.Remove the ceiling panelFig.6 Fig.8Fig.10 6-1-4.Remove the indoor air temperature sensor6-1-5.Remove the power box and control box Fig.12Fig.15 24 Fig.13Fig.14 Screw Ground cable6-1-6.Remove the main body lower section Fig.17Fig.18 Fig.19 6-1-8.Remove the drain pump and float switch6-1-7.Remove the heat exchanger sensor Fig.20Fig.23 6-1-9.Remove the turbo fan and fan motor6-1-10.Remove the heat exchanger Fig.25Emergency operation 7. FUNCTIONS7-1.Operation Functions AUTO cooling/heating operationNIGHT SETBACK HIGH POWERTimer backup Lamp colorsFreeze prevention 7-2.Protective FunctionsOverload prevention during heating Cold-airprevention during heating8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE 8-2.Method of Self-DiagnosticsPROCEDURE HIGH POWER lamp 1 Self-diagnosticsLampsTIMER lamp REMOTE CONTROL receiverUsing the TEST/T-RUNterminals 8-3.Checking the Indoor and Outdoor Units2If the self-diagnosticsfunction fails to operate Check the indoor unit Is the fuse blown?Before the Operation 3-1Condition: E01Continued from the previous page A 3-2Condition: E12 Diagnostic procedure 8-4.Trouble Diagnosis of Fan Motor8-4-1.Indoor Fan Motor Diagnostic resultsLocations most susceptible to noise 1 Noise malfunction2 Electromagnetic interference TroublePage APPENDIX A Operating InstructionsCS-MKE9NB4U& CZ-18BT1U CS-MKE12NB4U& CZ-18BT1U CU-4KE31NBU Split System Air ConditionerCS-MKE9NB4U CU-3KE19NBU CS-MKE12NB4U CU-4KE24NBU CZ-18BT1USAFETY PRECAUTIONS FEATURESCONTENTS PRODUCT INFORMATIONELECTRICAL REQUIREMENTS INSTALLATION LOCATIONSAFETY INSTRUCTIONS AvoidAir Intake NAMES OF PARTSUNIT DISPLAY AND OPERATION BUTTON Air OutletREMOTE CONTROLLER DISPLAY SymbolsON TIME/OFF TIME setting buttons Advance button REMOTE CONTROLLERHIGH POWER button CANCEL button SENSOR buttonAUTO 1 HR. TIMER button 1-HOUROFF TIMERTemperature setting buttons TEMP HEATS/M Single/Multiple switch USING THE REMOTE CONTROLLERHOW TO INSTALL BATTERIES HOW TO USE THE REMOTE CONTROLLER2. Manual Operation OPERATION WITH THE REMOTE CONTROLLER1. Automatic Operation STEP STEP4. Night Setback Mode 3. Adjusting the Fan Speed5. HIGH POWER Mode A. Automatic fan speedRemote Controller SETTING THE TIMERPower failure during operation 1. How to set the present time4. How to set daily ON/OFF repeat timer 2. How to set the OFF time3. How to set the ON time Operation1. 1-HourOFF Timer USING THE 1-HOUROFF TIMERADJUSTING THE AIRFLOW DIRECTION TIPS FOR ENERGY SAVINGWhen the air conditioner is not running CARE AND CLEANINGOPERATION WITHOUT THE REMOTE CONTROLLER Cleaning the flapsSafety cord Air filter How to remove the filterHow to remove the air intake grille Air intake grille hinge Safety cordBEFORE CALLING FOR SERVICE TROUBLESHOOTINGWIRED REMOTE CONTROLLER OPERATING RANGEIndoor Unit SPECIFICATIONSModel No CS-MKE9NB4UAPPENDIX B CS-KE18NB4UW& CZ-18BT1UOperating Instructions CS-KE18NB4UW CS-KE12NB41CU-KE12NK1 CU-KE18NKUSAFETY PRECAUTIONS FEATURESCONTENTS PRODUCT INFORMATIONELECTRICAL REQUIREMENTS INSTALLATION LOCATIONSAFETY INSTRUCTIONS AvoidAir Intake NAMES OF PARTSUNIT DISPLAY AND OPERATION BUTTON Air OutletREMOTE CONTROLLER DISPLAY Symbols1Operation mode AUTO HEAT MILD DRY COOL FAN ON TIME/OFF TIME setting buttons Advance button REMOTE CONTROLLERHIGH POWER button CANCEL button SENSOR buttonAUTO 1 HR. TIMER button 1-HOUROFF TIMERTemperature setting buttons TEMP HEATS/M Single/Multiple switch USING THE REMOTE CONTROLLERHOW TO INSTALL BATTERIES HOW TO USE THE REMOTE CONTROLLER2. Manual Operation OPERATION WITH THE REMOTE CONTROLLER1. Automatic Operation STEP 1 Press the MODE selector button to5. Night Setback Mode 6. HIGH POWER Mode4. Fan Only 3. Adjusting the Fan SpeedRemote Controller SETTING THE TIMERPower failure during operation 1. How to set the present time4. How to set daily ON/OFF repeat timer 2. How to set the OFF time3. How to set the ON time Operation1. 1-HourOFF Timer USING THE 1-HOUROFF TIMERADJUSTING THE AIRFLOW DIRECTION TIPS FOR ENERGY SAVINGWhen the air conditioner is not running CARE AND CLEANINGOPERATION WITHOUT THE REMOTE CONTROLLER Cleaning the flapsSafety cord Air filter How to remove the filterHow to remove the air intake grille Air intake grille hinge Safety cordBEFORE CALLING FOR SERVICE TROUBLESHOOTINGWIRED REMOTE CONTROLLER OPERATING RANGEOutdoor Unit SPECIFICATIONSModel No Indoor Unit•For Multiple use SPECIFICATIONS CONTINUED•For Multiple use Model NoPage INSTALLATION INSTRUCTIONS APPENDIX C3. HOW TO INSTALL THE INDOOR UNIT ContentsFor Indoor Unit 5.REMOTE CONTROLLER INSTALLATIONWARNING When Wiring SPECIAL PRECAUTIONSIn Case of Improper Installation When TransportingWhen Servicing Others1-2.Accessories Supplied with Unit Table 1. General1-1.Tools Required for Installation not supplied 1-3.Optional Copper Tubing KitAVOID 2. Installation Site Selection2-1.Indoor Unit Fig.2-2.Embedding the Tubing and Wiring Table3-2.Suspending the Indoor Unit 3. How to Install the Indoor Unit3-1.Preparation for Suspending 3-3.Placing the Unit Inside the CeilingFig. 3-4.Installing the Drain PipingDo not use natural drainage Fig.3-6-1.Before Installing the Ceiling Panel utes after the FS 3P connector is reconnected3-6.How to Install the Ceiling Panel 3-5.Checking the DrainageFig. 3-6-2.Installing the Ceiling PanelFig. Fig.Fig. 3-6-3.Wiring the Ceiling Panel and the IndicatorFig. A. Attaching the corner cover3-7.Wiring Instructions 3-6-5.Checking After Installation3-6-7.Adjusting the Auto Flap General precautions on wiringFor stranded wiring How to connect wiring to the terminalFor solid core wiring or F-cable a For Indoor Unit4. How to Test Run the Air Conditioner Fig. FigFig. 5-1.Mounting on a Wall 5. Remote Controller Installation PositionRear side Remote control holder Mounting screws 5/32 5/8 4 16 mm includedFig. 6. Address Switch6-1.Address Setting of the Remote Controller Fig.7. Connecting a Home Automation Device 8. Installation Check SheetAPPENDIX D CZ-RD515UOperating Instructions Operating Instructions Wired Remote Controller Model No. CZ-RD515USAFETY PRECAUTIONS FEATURESCONTENTS PRODUCT INFORMATIONELECTRICAL REQUIREMENTS INSTALLATION LOCATIONSAFETY INSTRUCTIONS AvoidTimer and Present Time setting buttons REMOTE CONTROLLERTemperature setting buttons TEMP DisplayAUTO 1 HR. TIMER button 1-HOUROFF TIMERTIMER SELECT button HEATREMOTE CONTROLLER DISPLAY Symbols1Operation mode AUTO only for COOL/DRY/HEAT Model OPERATION WITH THE REMOTE CONTROLLER 1.Automatic Operationonly for COOL/DRY/HEAT Model 2. Manual OperationPower failure during operation Remote Controller Display3. Adjusting the Fan Speed Remote Controller1. How to set the present time 5. Backup functionSETTING THE TIMER 2. How to set the OFF timeUSING THE 1-HOUROFF TIMER ADJUSTING THE AIRFLOW DIRECTION1. 1-HourOFF Timer Page APPENDIX E INSTALLATION INSTRUCTIONSCZ-RD515U Remote controller installation guidelines INSTALLATION INSTRUCTIONS Wired Remote ControllerParts supplied with the remote controller How to install the remote controllerFig. 2-a A. Installing with in-walljunction boxB. Installing directly onto the wall Fig. 2-bFig. 8-a How to wire the remote controllerFig. Fig. 8-bFig. How to Test Run the Air ConditionerFig. Fig. WI1011-0 Printed in ChinaPage DC1111-0