Manuals / Panasonic / Household Appliance / Air Conditioner

Panasonic R410A Split System Air Conditioner, CS-MKS9NB4U CU-3KS19NBU CS-MKS12NB4U CU-4KS24NBU

Models: R410A

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Operating Instructions

Split System Air Conditioner

Model No.
Indoor Units	Outdoor Units

CS-MKS9NB4U CU-3KS19NBU

CS-MKS12NB4U CU-4KS24NBU

CU-4KS31NBU

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

85264181216001

CV6233187624

Page 41

Image 41

Panasonic R410A Split System Air Conditioner, CS-MKS9NB4U CU-3KS19NBU CS-MKS12NB4U CU-4KS24NBU, CU-4KS31NBU, CZ-18BT1U

Contents

CS-MKS12NB4U& CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U INDOOR UNIT : CS-MKS9NB4U& CZ-18BT1UCS-MKS9NB4UBody & CZ-18BT1UPanel CS-MKS12NB4UBody & CZ-18BT1UPanelSAFETY 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 Temp2-1-1. Indoor Unit CS-MKS9NB4U& CZ-18BT1U 2. SPECIFICATIONS2-1.Unit Specifications CS-MKS9NB4U& CZ-18BT1U Indoor UnitCS-MKS12NB4U& CZ-18BT1U CS-MKS12NB4U& CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U 2-2-1.Indoor Unit 2-2.Major Component SpecificationsIndoor Unit Panel CZ-18BT1U Indoor Unit Body CS-MKS12NB4UIndoor Unit Panel CZ-18BT1U Indoor Unit Body CS-KS18NB4UWIndoor Unit CS-MKS9NB4U& CZ-18BT1U 2-3.Other Component SpecificationsCS-MKS12NB4U& CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U •Indoor air temp sensor Model:KTEC-35-S98CS-MKS12NB4U& CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U 3. DIMENSIONAL DATAIndoor Unit CS-MKS9NB4U& CZ-18BT1U 4-1.Refrigerant Flow Diagram 4. REFRIGERANT FLOW DIAGRAMIndoor Unit CS-MKS9NB4U& CZ-18BT1U CS-MKS12NB4U& CZ-18BT1U Indoor unit5. ELECTRICAL DATA 5-1.Electric Wiring DiagramsIndoor Unit CS-MKS9NB4U& CZ-18BT1U CS-MKS12NB4U& CZ-18BT1U CS-KS18NB4UW& 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.86-1-5.Remove the power box and control box 6-1-4.Remove the indoor air temperature sensorFig.10 Fig.11Fig.14 Fig.13Fig.15 24 Screw Ground cableFig.16 6-1-6.Remove the main body lower sectionFig.17 Fig.186-1-7.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.22 Fig.237-1.Operation Functions 7. FUNCTIONSEmergency operation SENSOR DRYTimer backup HIGH POWERNIGHT SETBACK Lamp colorsFreeze prevention 7-2.Protective FunctionsPROCEDURE 8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE8-2.Method of Self-Diagnostics INDOOR UNIT 1 Self-diagnosticsLamps2If 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 Operation >Continued 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-MKS9NB4U& CZ-18BT1U CS-MKS12NB4U& CZ-18BT1U APPENDIX AOperating Instructions CS-MKS9NB4U CU-3KS19NBU CS-MKS12NB4U CU-4KS24NBU Split System Air ConditionerCU-4KS31NBU CZ-18BT1UCONTENTS FEATURESSAFETY PRECAUTIONS PRODUCT INFORMATIONSAFETY INSTRUCTIONS INSTALLATION LOCATIONELECTRICAL REQUIREMENTS AvoidUNIT DISPLAY AND OPERATION BUTTON NAMES OF PARTSAir Intake Air OutletSymbols REMOTE CONTROLLER DISPLAYREMOTE CONTROLLER Temperature setting buttons TEMP 1 HR. TIMER button 1-HOUROFF TIMERSensor ON/OFF operation buttonHOW TO INSTALL BATTERIES USING THE REMOTE CONTROLLERHOW TO USE THE REMOTE CONTROLLER REMOTE CONTROLLER INSTALLATION POSITION2. Adjusting the Fan Speed OPERATION WITH THE REMOTE CONTROLLER1. Operation 3. Fan Only5. HIGH POWER Mode SETTING THE TIMERPower failure during operation Remote Controller2. How to set the OFF time 1. How to set the present time3. How to set the ON time 4. How to set daily ON/OFF repeat timerADJUSTING 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 filterAir filter Care: After a prolonged idle periodWIRED REMOTE CONTROLLER TROUBLESHOOTINGBEFORE CALLING FOR SERVICE OPERATING RANGESPECIFICATIONS Page Operating Instructions APPENDIX BCS-KS18NB4UW& CZ-18BT1U CU-KS18NKUA CS-KS12NB41 CU-KS12NK1A CS-KS18NB4UW CU-KS18NKUCU-3KS19NBU CU-4KS24NBU CU-4KS31NBU Outdoor UnitsCONTENTS FEATURESSAFETY PRECAUTIONS PRODUCT INFORMATIONSAFETY INSTRUCTIONS INSTALLATION LOCATIONELECTRICAL REQUIREMENTS AvoidUNIT DISPLAY AND OPERATION BUTTON NAMES OF PARTSAir Intake Air OutletSymbols REMOTE CONTROLLER DISPLAYREMOTE CONTROLLER Temperature setting buttons TEMP 1 HR. TIMER button 1-HOUROFF TIMERSensor ON/OFF operation buttonHOW TO INSTALL BATTERIES USING THE REMOTE CONTROLLERHOW TO USE THE REMOTE CONTROLLER REMOTE CONTROLLER INSTALLATION POSITION2. Adjusting the Fan Speed OPERATION WITH THE REMOTE CONTROLLER1. Operation 3. Fan Only5. HIGH POWER Mode SETTING THE TIMERPower failure during operation Remote Controller2. How to set the OFF time 1. How to set the present time3. How to set the ON time 4. How to set daily ON/OFF repeat timerADJUSTING 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 filterAir filter Care: After a prolonged idle periodWIRED REMOTE CONTROLLER TROUBLESHOOTINGBEFORE CALLING FOR SERVICE OPERATING RANGE• For Single use SPECIFICATIONS• For Single use •For Multiple use •For Multiple useAPPENDIX 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 Operation2. Manual Operation OPERATION WITH THE REMOTE CONTROLLERRemote Controller Display 3. Adjusting the Fan Speed4. Fan Only 5. Night Setback ModeSETTING THE TIMER 5. Backup function1. How to set the present time 2. How to set the OFF timeADJUSTING THE AIRFLOW DIRECTION USING THE 1-HOUROFF TIMER1. 1-HourOFF Timer Setting procedurePage 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.Fig. How to Test Run the Air ConditionerFig. Fig. WI1011-0 Printed in ChinaPage DC1111-0

Split System Air Conditioner

Model No.

Indoor Units

Outdoor Units

CS-MKS9NB4U CU-3KS19NBU

CU-4KS31NBU

Ceiling Panel

CZ-18BT1U

Panasonic Corporation