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Panasonic R410A service manual Applicable Multi-Outdoorunits

Models: R410A

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APPLICABLE MULTI-OUTDOOR UNITS

Multi-Outdoor Unit	3-Room	4-Room	4-Room
Indoor Unit	CU-3KS19NBU	CU-4KS24NBU	CU-4KS31NBU
CS-MKS9NB4U & CZ-18BT1U	YES	YES	YES
CS-MKS12NB4U & CZ-18BT1U	YES	YES	YES
CS-KS18NB4UW & CZ-18BT1U	YES	YES	YES

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Panasonic R410A service manual Applicable Multi-Outdoorunits

Contents

CS-MKS9NB4UBody & CZ-18BT1UPanel INDOOR UNIT : CS-MKS9NB4U& CZ-18BT1UCS-MKS12NB4U& CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U CS-MKS12NB4UBody & CZ-18BT1UPanelSAFETY 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 Temp2. SPECIFICATIONS 2-1.Unit Specifications2-1-1. Indoor Unit CS-MKS9NB4U& CZ-18BT1U Indoor Unit CS-MKS9NB4U& CZ-18BT1UCS-MKS12NB4U& CZ-18BT1U CS-MKS12NB4U& CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U 2-2.Major Component Specifications 2-2-1.Indoor UnitIndoor Unit Body CS-MKS12NB4U Indoor Unit Panel CZ-18BT1UIndoor Unit Body CS-KS18NB4UW Indoor Unit Panel CZ-18BT1UCS-MKS12NB4U& CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U 2-3.Other Component SpecificationsIndoor Unit CS-MKS9NB4U& CZ-18BT1U •Indoor air temp sensor Model:KTEC-35-S983. DIMENSIONAL DATA Indoor Unit CS-MKS9NB4U& CZ-18BT1UCS-MKS12NB4U& CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U Indoor Unit CS-MKS9NB4U& CZ-18BT1U 4. REFRIGERANT FLOW DIAGRAM4-1.Refrigerant Flow Diagram CS-MKS12NB4U& CZ-18BT1U Indoor unitIndoor Unit CS-MKS9NB4U& CZ-18BT1U 5-1.Electric Wiring Diagrams5. ELECTRICAL DATA CS-MKS12NB4U& CZ-18BT1U CS-KS18NB4UW& 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.11Fig.15 24 Fig.13Fig.14 Screw Ground cableFig.17 6-1-6.Remove the main body lower sectionFig.16 Fig.18Fig.19 6-1-8.Remove the drain pump and float switch6-1-7.Remove the heat exchanger sensor Fig.20Fig.22 6-1-9.Remove the turbo fan and fan motor6-1-10.Remove the heat exchanger Fig.23Emergency operation 7. FUNCTIONS7-1.Operation Functions SENSOR DRYNIGHT SETBACK HIGH POWERTimer backup Lamp colors7-2.Protective Functions Freeze prevention8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE 8-2.Method of Self-DiagnosticsPROCEDURE 1 Self-diagnosticsLamps INDOOR UNITUsing 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-MKS9NB4U& CZ-18BT1U CS-MKS12NB4U& CZ-18BT1U CU-4KS31NBU Split System Air ConditionerCS-MKS9NB4U CU-3KS19NBU CS-MKS12NB4U CU-4KS24NBU CZ-18BT1USAFETY PRECAUTIONS FEATURESCONTENTS PRODUCT INFORMATIONELECTRICAL REQUIREMENTS INSTALLATION LOCATIONSAFETY INSTRUCTIONS AvoidAir Intake NAMES OF PARTSUNIT DISPLAY AND OPERATION BUTTON Air OutletREMOTE CONTROLLER DISPLAY SymbolsREMOTE CONTROLLER Sensor 1 HR. TIMER button 1-HOUROFF TIMERTemperature setting buttons TEMP ON/OFF operation buttonHOW TO USE THE REMOTE CONTROLLER USING THE REMOTE CONTROLLERHOW TO INSTALL BATTERIES REMOTE CONTROLLER INSTALLATION POSITION1. Operation OPERATION WITH THE REMOTE CONTROLLER2. Adjusting the Fan Speed 3. Fan OnlyPower failure during operation SETTING THE TIMER5. HIGH POWER Mode Remote Controller3. How to set the ON time 1. How to set the present time2. How to set the OFF time 4. How to set daily ON/OFF repeat timer1. 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 flapsAir filter How to remove the filterHow to remove the air intake grille Care: After a prolonged idle periodBEFORE CALLING FOR SERVICE TROUBLESHOOTINGWIRED REMOTE CONTROLLER OPERATING RANGESPECIFICATIONS Page APPENDIX B CS-KS18NB4UW& CZ-18BT1UOperating Instructions CU-3KS19NBU CU-4KS24NBU CU-4KS31NBU CS-KS12NB41 CU-KS12NK1A CS-KS18NB4UW CU-KS18NKUCU-KS18NKUA Outdoor UnitsSAFETY PRECAUTIONS FEATURESCONTENTS PRODUCT INFORMATIONELECTRICAL REQUIREMENTS INSTALLATION LOCATIONSAFETY INSTRUCTIONS AvoidAir Intake NAMES OF PARTSUNIT DISPLAY AND OPERATION BUTTON Air OutletREMOTE CONTROLLER DISPLAY SymbolsREMOTE CONTROLLER Sensor 1 HR. TIMER button 1-HOUROFF TIMERTemperature setting buttons TEMP ON/OFF operation buttonHOW TO USE THE REMOTE CONTROLLER USING THE REMOTE CONTROLLERHOW TO INSTALL BATTERIES REMOTE CONTROLLER INSTALLATION POSITION1. Operation OPERATION WITH THE REMOTE CONTROLLER2. Adjusting the Fan Speed 3. Fan OnlyPower failure during operation SETTING THE TIMER5. HIGH POWER Mode Remote Controller3. How to set the ON time 1. How to set the present time2. How to set the OFF time 4. How to set daily ON/OFF repeat timer1. 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 flapsAir filter How to remove the filterHow to remove the air intake grille Care: After a prolonged idle periodBEFORE CALLING FOR SERVICE TROUBLESHOOTINGWIRED REMOTE CONTROLLER OPERATING RANGESPECIFICATIONS • For Single use• For Single use •For Multiple use •For Multiple useINSTALLATION 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. Fig.Fig. 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 2. Manual Operation 1.Automatic Operationonly for COOL/DRY/HEAT Model OPERATION WITH THE REMOTE CONTROLLER4. Fan Only 3. Adjusting the Fan SpeedRemote Controller Display 5. Night Setback Mode1. How to set the present time 5. Backup functionSETTING THE TIMER 2. How to set the OFF time1. 1-HourOFF Timer USING THE 1-HOUROFF TIMERADJUSTING THE AIRFLOW DIRECTION Setting procedurePage 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.Fig. How to Test Run the Air ConditionerFig. Fig. WI1011-0 Printed in ChinaPage DC1111-0