Manuals / Panasonic / Household Appliance / Air Conditioner

Panasonic CZ-18BT1U Split System Air Conditioner, CU-4KE31NBU, Model No, Indoor Units

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

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Operating Instructions

Split System Air Conditioner

Model No.
Indoor Units	Outdoor Units

CS-MKE9NB4U CU-3KE19NBU

CS-MKE12NB4U CU-4KE24NBU

CU-4KE31NBU

Ceiling Panel

CZ-18BT1U

This air conditioner uses the refrigerant R410A.

Before operating the unit, read these operating instructions thoroughly and keep them for future reference.

Panasonic Corporation

1006 Kadoma, Kadoma City, Osaka, Japan

85264181219002

CV6233187594

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Panasonic CZ-18BT1U Split System Air Conditioner, CS-MKE9NB4U CU-3KE19NBU CS-MKE12NB4U CU-4KE24NBU, CU-4KE31NBU, Model No

Contents

CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U INDOOR UNIT : CS-MKE9NB4U& CZ-18BT1UTECHNICAL & SERVICE MANUAL DC INVERTER MULTI-SYSTEMAIR CONDITIONERSAFETY PRECAUTIONS which may cause a unit breakdown 2. SPECIFICATIONS TABLE OF CONTENTS4. REFRIGERANT FLOW DIAGRAM 6. MAINTENANCECZ-RD515U CZ-RD515UAPPLICABLE MULTI-OUTDOORUNITS Temperature 1. OPERATING RANGEIndoor Air Intake Temp Outdoor Air Intake Temp2-1.Unit Specifications 2. SPECIFICATIONSDimensions & Weight Indoor Unit 2-1-1. Indoor Unit CS-MKE9NB4U& CZ-18BT1UCS-MKE9NB4U& CZ-18BT1U Dimensions & Weight Indoor Unit<208V> Type2-1-2. Indoor Unit CS-MKE12NB4U& CZ-18BT1U Dimensions & Weight Indoor Unit<230V> TypeCS-MKE12NB4U& CZ-18BT1U Dimensions & Weight Indoor Unit<208V> Type2-1-3. Indoor Unit CS-KE18NB4UW& CZ-18BT1U Dimensions & Weight Indoor Unit<230V> TypeCS-KE18NB4UW& CZ-18BT1U Dimensions & Weight Indoor Unit<208V> Type2-2-1.Indoor Unit 2-2.Major Component SpecificationsControl PCB Fan MotorFan Motor Control PCBDrain Pump Heat Exchanger CoilFan Motor Control PCBDrain Pump Heat Exchanger CoilIndoor Unit CS-MKE9NB4U& CZ-18BT1U 2-3.Other Component SpecificationsCS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U •Indoor air temp sensor Model:KTEC-35-S98Indoor Unit CS-MKE9NB4U& CZ-18BT1U 3. DIMENSIONAL DATACS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U Unit inch mm4. REFRIGERANT FLOW DIAGRAM 4-1.Refrigerant Flow DiagramIndoor Unit CS-MKE9NB4U& CZ-18BT1U CS-MKE12NB4U& CZ-18BT1U5. ELECTRICAL DATA 5-1.Electric Wiring DiagramsIndoor Unit CS-MKE9NB4U& CZ-18BT1U CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U6-1.Disassembly Procedure 6. MAINTENANCE6-1-1.Remove the air intake grill Fig.1Fig.6 6-1-3.Remove the ceiling panelFig.7 Fig.8Fig.10 6-1-5.Remove the power box and control box6-1-4.Remove the indoor air temperature sensor Fig.14 Fig.13Fig.15 24 Screw Ground cableFig.18 6-1-6.Remove the main body lower sectionFig.17 6-1-7.Remove the heat exchanger sensor 6-1-8.Remove the drain pump and float switchFig.19 Fig.206-1-10.Remove the heat exchanger 6-1-9.Remove the turbo fan and fan motorFig.23 Fig.257-1.Operation Functions 7. FUNCTIONSEmergency operation AUTO cooling/heating operationTimer backup HIGH POWERNIGHT SETBACK Lamp colorsOverload prevention during heating 7-2.Protective FunctionsFreeze prevention Cold-airprevention during heatingPROCEDURE 8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE8-2.Method of Self-Diagnostics TIMER lamp 1 Self-diagnosticsLampsHIGH POWER lamp REMOTE CONTROL receiver2If the self-diagnosticsfunction fails to operate 8-3.Checking the Indoor and Outdoor UnitsUsing the TEST/T-RUNterminals Check the indoor unit Is the fuse blown?3-1Condition: E01 Before the OperationContinued from the previous page A 3-2Condition: E12 8-4-1.Indoor Fan Motor 8-4.Trouble Diagnosis of Fan MotorDiagnostic procedure Diagnostic results2 Electromagnetic interference 1 Noise malfunctionLocations most susceptible to noise TroublePage CS-MKE9NB4U& CZ-18BT1U CS-MKE12NB4U& CZ-18BT1U APPENDIX AOperating Instructions CS-MKE9NB4U CU-3KE19NBU CS-MKE12NB4U CU-4KE24NBU Split System Air ConditionerCU-4KE31NBU CZ-18BT1UCONTENTS FEATURESSAFETY PRECAUTIONS PRODUCT INFORMATIONSAFETY INSTRUCTIONS INSTALLATION LOCATIONELECTRICAL REQUIREMENTS AvoidUNIT DISPLAY AND OPERATION BUTTON NAMES OF PARTSAir Intake Air OutletSymbols REMOTE CONTROLLER DISPLAYHIGH POWER button REMOTE CONTROLLERON TIME/OFF TIME setting buttons Advance button CANCEL button SENSOR buttonTemperature setting buttons TEMP 1 HR. TIMER button 1-HOUROFF TIMERAUTO HEATHOW TO INSTALL BATTERIES USING THE REMOTE CONTROLLERS/M Single/Multiple switch HOW TO USE THE REMOTE CONTROLLER1. Automatic Operation OPERATION WITH THE REMOTE CONTROLLER2. Manual Operation STEP STEP5. HIGH POWER Mode 3. Adjusting the Fan Speed4. Night Setback Mode A. Automatic fan speedPower failure during operation SETTING THE TIMERRemote Controller 1. How to set the present time3. How to set the ON time 2. How to set the OFF time4. How to set daily ON/OFF repeat timer OperationADJUSTING THE AIRFLOW DIRECTION USING THE 1-HOUROFF TIMER1. 1-HourOFF Timer TIPS FOR ENERGY SAVINGOPERATION WITHOUT THE REMOTE CONTROLLER CARE AND CLEANINGWhen the air conditioner is not running Cleaning the flapsHow to remove the air intake grille How to remove the filterSafety cord Air filter Air intake grille hinge Safety cordWIRED REMOTE CONTROLLER TROUBLESHOOTINGBEFORE CALLING FOR SERVICE OPERATING RANGEModel No SPECIFICATIONSIndoor Unit CS-MKE9NB4UOperating Instructions APPENDIX BCS-KE18NB4UW& CZ-18BT1U CU-KE12NK1 CS-KE12NB41CS-KE18NB4UW CU-KE18NKUCONTENTS FEATURESSAFETY PRECAUTIONS PRODUCT INFORMATIONSAFETY INSTRUCTIONS INSTALLATION LOCATIONELECTRICAL REQUIREMENTS AvoidUNIT DISPLAY AND OPERATION BUTTON NAMES OF PARTSAir Intake Air Outlet1Operation mode AUTO HEAT MILD DRY COOL FAN REMOTE CONTROLLER DISPLAYSymbols HIGH POWER button REMOTE CONTROLLERON TIME/OFF TIME setting buttons Advance button CANCEL button SENSOR buttonTemperature setting buttons TEMP 1 HR. TIMER button 1-HOUROFF TIMERAUTO HEATHOW TO INSTALL BATTERIES USING THE REMOTE CONTROLLERS/M Single/Multiple switch HOW TO USE THE REMOTE CONTROLLER1. Automatic Operation OPERATION WITH THE REMOTE CONTROLLER2. Manual Operation STEP 1 Press the MODE selector button to4. Fan Only 6. HIGH POWER Mode5. Night Setback Mode 3. Adjusting the Fan SpeedPower failure during operation SETTING THE TIMERRemote Controller 1. How to set the present time3. How to set the ON time 2. How to set the OFF time4. How to set daily ON/OFF repeat timer OperationADJUSTING THE AIRFLOW DIRECTION USING THE 1-HOUROFF TIMER1. 1-HourOFF Timer TIPS FOR ENERGY SAVINGOPERATION WITHOUT THE REMOTE CONTROLLER CARE AND CLEANINGWhen the air conditioner is not running Cleaning the flapsHow to remove the air intake grille How to remove the filterSafety cord Air filter Air intake grille hinge Safety cordWIRED REMOTE CONTROLLER TROUBLESHOOTINGBEFORE CALLING FOR SERVICE OPERATING RANGEModel No SPECIFICATIONSOutdoor Unit Indoor UnitFor Multiple use SPECIFICATIONS CONTINUED•For Multiple use Model NoPage APPENDIX C INSTALLATION INSTRUCTIONSFor Indoor Unit Contents3. HOW TO INSTALL THE INDOOR UNIT 5.REMOTE CONTROLLER INSTALLATIONIn Case of Improper Installation SPECIAL PRECAUTIONSWARNING When Wiring When TransportingOthers When Servicing1-1.Tools Required for Installation not supplied 1. General1-2.Accessories Supplied with Unit Table 1-3.Optional Copper Tubing Kit2-1.Indoor Unit 2. Installation Site SelectionAVOID Fig.Table 2-2.Embedding the Tubing and Wiring3-1.Preparation for Suspending 3. How to Install the Indoor Unit3-2.Suspending the Indoor Unit 3-3.Placing the Unit Inside the CeilingDo not use natural drainage 3-4.Installing the Drain PipingFig. Fig.3-6.How to Install the Ceiling Panel utes after the FS 3P connector is reconnected3-6-1.Before Installing 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 cover3-6-7.Adjusting the Auto Flap 3-6-5.Checking After Installation3-7.Wiring Instructions General precautions on wiringFor solid core wiring or F-cable How to connect wiring to the terminalFor stranded wiring a For Indoor UnitFig. 4. How to Test Run the Air ConditionerFig. Fig Rear side Remote control holder 5. Remote Controller Installation Position5-1.Mounting on a Wall Mounting screws 5/32 5/8 4 16 mm included6-1.Address Setting of the Remote Controller 6. Address SwitchFig. Fig.8. Installation Check Sheet 7. Connecting a Home Automation DeviceOperating Instructions APPENDIX DCZ-RD515U Model No. CZ-RD515U Operating Instructions Wired Remote ControllerCONTENTS FEATURESSAFETY PRECAUTIONS PRODUCT INFORMATIONSAFETY INSTRUCTIONS INSTALLATION LOCATIONELECTRICAL REQUIREMENTS AvoidTemperature setting buttons TEMP REMOTE CONTROLLERTimer and Present Time setting buttons DisplayTIMER SELECT button 1 HR. TIMER button 1-HOUROFF TIMERAUTO HEAT1Operation mode AUTO only for COOL/DRY/HEAT Model REMOTE CONTROLLER DISPLAYSymbols only for COOL/DRY/HEAT Model 1.Automatic OperationOPERATION WITH THE REMOTE CONTROLLER 2. Manual Operation3. Adjusting the Fan Speed Remote Controller DisplayPower failure during operation Remote ControllerSETTING THE TIMER 5. Backup function1. How to set the present time 2. How to set the OFF time1. 1-HourOFF Timer USING THE 1-HOUROFF TIMERADJUSTING THE AIRFLOW DIRECTION Page CZ-RD515U APPENDIX EINSTALLATION INSTRUCTIONS Parts supplied with the remote controller INSTALLATION INSTRUCTIONS Wired Remote ControllerRemote controller installation guidelines How to install the remote controllerB. Installing directly onto the wall A. Installing with in-walljunction boxFig. 2-a Fig. 2-bFig. How to wire the remote controllerFig. 8-a Fig. 8-bFig. How to Test Run the Air ConditionerFig. Fig. WI1011-0 Printed in ChinaPage DC1111-0