Manuals / Panasonic / Household Appliance / Air Conditioner

Panasonic CS-KS18B4UW & CZ-18BT1U, CU-KS18NKUA, CU-KS12NK1A CS-KS18NB4UW& CZ-18BT1U, Cooling

Models: CS-KS18B4UW & CZ-18BT1U CS-KS12NB41 & CZ-18BT1U CU-KS12NK1A CU-KS18NKUA

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Indoor Unit	CS-KS18NB4UW & CZ-18BT1U
Outdoor Unit	CU-KS18NKU
Cooling							< 230V >
							< 230V >
					Indoor Unit	Outdoor Unit	Complete Unit

					Fan Motor	Fan Motor + Compressor
					Fan Motor	Fan Motor + Compressor

Performance at						230V Single-phase 60Hz

Rating conditions			Running amp.	A	0.15	8.15	8.3

			Power input	W	22	1,838	1,860

Rating conditions:		Indoor air temperature:		80 °F (26.7 °C) DB / 67 °F (19.4 °C) WB
		Outdoor air temperature:		95 °F (35 °C) DB
Cooling							< 208V >
							< 208V >
					Indoor Unit	Outdoor Unit	Complete Unit

					Fan Motor	Fan Motor + Compressor
					Fan Motor	Fan Motor + Compressor

Performance at						208V Single-phase 60Hz

Rating conditions			Running amp.	A	0.16	8.94	9.1
			Power input	W	22	1,838	1,860

Rating conditions:		Indoor air temperature:		80 °F (26.7 °C) DB / 67 °F (19.4 °C) WB
		Outdoor air temperature:		95 °F (35 °C) DB
Indoor Unit	CS-KS18NB4UW & CZ-18BT1U
Outdoor Unit CU-KS18NKUA
Cooling							< 230V >
					Indoor Unit	Outdoor Unit	Complete Unit

					Fan Motor	Fan Motor + Compressor
					Fan Motor	Fan Motor + Compressor

Performance at						230V Single-phase 60Hz

Rating conditions			Running amp.	A	0.15	8.15	8.3
			Power input	W	22	1,838	1,860
Rating conditions:		Indoor air temperature:		80 °F (26.7 °C) DB / 67 °F (19.4 °C) WB
		Outdoor air temperature:		95 °F (35 °C) DB
Cooling							< 208V >
					Indoor Unit	Outdoor Unit	Complete Unit

					Fan Motor	Fan Motor + Compressor
					Fan Motor	Fan Motor + Compressor

Performance at						208V Single-phase 60Hz

Rating conditions			Running amp.	A	0.16	8.94	9.1
			Power input	W	22	1,838	1,860
Rating conditions:		Indoor air temperature:		80 °F (26.7 °C) DB / 67 °F (19.4 °C) WB
		Outdoor air temperature:		95 °F (35 °C) DB

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Panasonic CS-KS18B4UW & CZ-18BT1U, CU-KS18NKUA, CU-KS12NK1A, CS-KS12NB41 & CZ-18BT1U CS-KS18NB4UW& CZ-18BT1U, Cooling

Contents

CU-KS18NKU CU-KS18NKUA CS-KS12NB41Body & CZ-18BT1UPanelCS-KS18NB4UWBody & CZ-18BT1UPanel CU-KS12NK1ASAFETY PRECAUTIONS which may cause a unit breakdown MAINTENANCE Table of ContentsSPECIFICATIONS REFRIGERANT FLOW DIAGRAM11. REFRIGERANT R410A SPECIAL PRECAUTIONS WHEN SERVICING UNITINSTALLATION INSTRUCTIONS 10. CHECKING ELECTRICAL COMPONENTSModels : CS-KS18NB4UW& CZ-18BT1U+ CU-KS18NKU 1. OPERATING RANGETemperature TemperatureCS-KS18NB4UW& CZ-18BT1U 2. SPECIFICATIONSUnit Specifications 2-1-1CU-KS18NKU Dimensions & Weight Indoor UnitDimensions & Weight Outdoor Unit CS-KS18NB4UW& CZ-18BT1UCU-KS18NKU 2-1-2. Indoor UnitCS-KS18NB4UW& CZ-18BT1U Outdoor UnitCU-KS18NKU Dimensions & Weight Indoor UnitDimensions & Weight Outdoor Unit CS-KS18NB4UW& CZ-18BT1UVoltage Rating 2-1-3. Indoor UnitCS-KS12NB41& CZ-18BT1U Outdoor Unit CU-KS12NK1ACS-KS12NB41& CZ-18BT1U Dimensions & Weight Indoor UnitDimensions & Weight Outdoor Unit < 230V > 2-1-4. Indoor UnitCS-KS18NB4UW& CZ-18BT1U Outdoor Unit CU-KS18NKUACS-KS18NB4UW& CZ-18BT1U Dimensions & Weight Indoor UnitDimensions & Weight Outdoor Unit < 208V > 2-1-5. Indoor UnitCS-KS18NB4UW& CZ-18BT1U Outdoor Unit CU-KS18NKUACS-KS18NB4UW& CZ-18BT1U Dimensions & Weight Indoor UnitDimensions & Weight Outdoor Unit Indoor UnitFan Motor 2-2.Major Component Specifications2-2-1.Indoor Unit Control PCBHeat Exchanger Coil Control PCBFan Motor Drain PumpFan Motor 2-2-2.Outdoor UnitControl PCB CompressorHeat Exchanger Coil Control PCBCompressor Fan MotorHeat Exchanger Coil Control PCBCompressor Fan MotorTemperature F C 2-3.Other Component SpecificationsTemperature F C Temperature F CCS-KS18NB4UW& CZ-18BT1U 3. DIMENSIONAL DATAIndoor Unit CS-KS12NB41& CZ-18BT1U Unit : inch mm 852-0-0010-12600-0 Unit : inch mm 852-0-0010-13300-0 CU-KS18NKUAOutdoor Unit CU-KS12NK1A 4. REFRIGERANT FLOW DIAGRAM4-1.Refrigerant Flow Diagram Indoor Unit CS-KS12NB41& CZ-18BT1UOutdoor unit CU-KS18NKUAIndoor unit Outdoor Unit CU-KS12NK1A 5-1.Temperature Charts5. PERFORMANCE DATA Indoor Unit CS-KS12NB41& CZ-18BT1UOutdoor Unit CU-KS18NKUor CU-KS18NKUA Indoor Unit CS-KS18NB4UW& CZ-18BT1UCU-KS12NK1A 5-2.Cooling CapacityCS-KS12NB41& CZ-18BT1U Outdoor Unit Power Supply : 230V Single Phase 60HzIndoor Unit CS-KS18NB4UW& CZ-18BT1UCU-KS12NK1A 5-3.Cooling Capacity Low AmbientCS-KS12NB41& CZ-18BT1U SHC : Sensible Heat Capacity BTU/h CS-KS18NB4UW& CZ-18BT1UCU-KS18NKUA Cooling 6-1.Electrical Characteristics6. ELECTRICAL DATA Indoor Unit CS-KS12NB41& CZ-18BT1UCooling CS-KS18NB4UW& CZ-18BT1UCU-KS18NKU CoolingCS-KS12NB41& 6-2.Electric Wiring DiagramsIndoor Unit CS-KS18NB4UW8FA2-5251-12300-2 Outdoor Unit CU-KS12NK1AOutdoor Unit CU-KS18NKU CU-KS18NKUA Fig. 7. MAINTENANCE7-1.Address Setting of the Remote Controller Fig.Pull the cover upward How to DisconnectHow to Connect Fig.1 7-3.Disassembly Procedure7-3-1.Remove the air intake grill WARNING attempting to disassemble the unitFig.8 7-3-3.Remove the ceiling panelFig.6 Fig.7Fig.11 7-3-4.Remove the indoor air temperature sensor7-3-5.Remove the power box and control box Fig.10Screw Ground cable Fig.13Fig.14 Fig.15 44Fig.18 7-3-6.Remove the main body lower sectionFig.16 Fig.17Fig.20 7-3-8.Remove the drain pump and float switch7-3-7.Remove the heat exchanger sensor Fig.19Fig.23 7-3-9.Remove the turbo fan and fan motor7-3-10.Remove the heat exchanger Fig.22SENSOR DRY 8. FUNCTIONS8-1.Operation Functions Emergency operationLamp colors HIGH POWERTimer backup NIGHT SETBACKCT Peak current cut-offcontrol Compressor discharge temperature control8-2.Protective Functions Freeze preventionPROCEDURE 9. TROUBLESHOOTING BEFORE CALLING FOR SERVICE9-2.Method of Self-Diagnostics REMOTE CONTROL receiver 1 Self-diagnosticsLampsTIMER lamp HIGH POWER lampCheck the indoor unit Is the fuse blown? 9-3.Checking the Indoor and Outdoor Units2If the self-diagnosticsfunction fails to operate Using the TEST/T-RUNterminals3-1Condition: E01 < Before the Operation >Continued from the previous page A 3-2Condition: E12 Diagnostic results 9-4.Trouble Diagnosis of Fan Motor9-4-1.Indoor Fan Motor Diagnostic procedureRemedy for symptom 3 to 9-4-2.Outdoor Fan MotorDiagnostic procedure Diagnostic resultsTrouble 1 Noise malfunction2 Electromagnetic interference Locations most susceptible to noise10-1-2.Indoor Unit 10-1-1.Power Supply Cord10. CHECKING ELECTRICAL COMPONENTS 10-1.Measurement of Insulation ResistanceFig. 10-2.Checking Continuity of Fuse on PCB AssyFig. 11-1-3.Characteristics SPECIAL PRECAUTIONS WHEN SERVICING UNIT11-1.Characteristics of New Refrigerant R410A 11-1-1.What is New Refrigerant R410A?No addition of compressor oil for R410A 11-2.Checklist before ServicingTubing precautions Size of flareTool Distinction 11-4.Tubing Installation Procedures11-3.Tools Specifically for R410A For servicing, use the following tools for R410A2 Replacing Compressor 11-5-1.Procedure for Replacing Compressor11-5.In Case of Compressor Malfunction 1 Recovering refrigerantExample Configuration and characteristics of cylinders5 Recharging Never charge a large amount3 Welding leaking points 11-6.In Case Refrigerant is Leaking2 Recovering refrigerant 1 Detecting Leaks11-8-1.Use of Existing Units 11-7-1.When Tubes are Extended11-7.Charging Additional Refrigerant 11-8. Retro-FittingExisting SystemsPage Operating Instructions APPENDIX ACU-3KS19NBU CU-4KS24NBU CU-4KS31NBU Split System Air ConditionerCS-KS12NB41 CU-KS12NK1A CS-KS18NB4UW CU-KS18NKU CU-KS18NKUAPRODUCT INFORMATION FEATURESCONTENTS SAFETY PRECAUTIONSAvoid INSTALLATION LOCATIONSAFETY INSTRUCTIONS ELECTRICAL REQUIREMENTSAir Outlet NAMES OF PARTSUNIT DISPLAY AND OPERATION BUTTON Air IntakeSymbols REMOTE CONTROLLER DISPLAYCANCEL button SENSOR button REMOTE CONTROLLERHIGH POWER button ON TIME/OFF TIME setting buttons Advance buttonON/OFF operation button 1 HR. TIMER button 1-HOUROFF TIMERTemperature setting buttons TEMP SensorREMOTE CONTROLLER INSTALLATION POSITION USING THE REMOTE CONTROLLERHOW TO INSTALL BATTERIES HOW TO USE THE REMOTE CONTROLLER3. Fan Only OPERATION WITH THE REMOTE CONTROLLER2. Adjusting the Fan Speed 1. OperationRemote Controller SETTING THE TIMER5. HIGH POWER Mode Power failure during operation4. How to set daily ON/OFF repeat timer 1. How to set the present time2. How to set the OFF time 3. How to set the ON timeTIPS FOR ENERGY SAVING USING THE 1-HOUROFF TIMERADJUSTING THE AIRFLOW DIRECTION 1. 1-HourOFF TimerCleaning the flaps CARE AND CLEANINGOPERATION WITHOUT THE REMOTE CONTROLLER When the air conditioner is not runningAir intake grille hinge Safety cord How to remove the filterHow to remove the air intake grille Safety cord Air filterOPERATING RANGE TROUBLESHOOTINGWIRED REMOTE CONTROLLER BEFORE CALLING FOR SERVICEIndoor Unit SPECIFICATIONSModel No Outdoor UnitIndoor Unit •For Multiple use•For Multiple use Model NoAPPENDIX B INSTALLATION INSTRUCTIONS7.REMOTE CONTROLLER INSTALLATION Contents3. HOW TO INSTALL THE INDOOR UNIT 4. HOW TO INSTALL THE OUTDOOR UNITWhen Installing… SPECIAL PRECAUTIONSIn Case of Improper Installation When Transportingaccidentally When ServicingOthers fins of the outdoor unit. You may get injured1-3.Optional Copper Tubing Kit 1. General1-1.Tools Required for Installation not supplied 1-2.Accessories Supplied with Unit TableFig. 2. Installation Site Selection2-1.Indoor Unit AVOIDCU-KS18NKU, CU-KS18NKUA 2-2.Outdoor Unit AVOIDFig. CU-KS12NK1A Fig. 4aFig. 5c FrontBack CU-KS12NK1A Air Intake BaffleAir Discharge Baffle 1Recommended dimensions of the baffle platesCU-KS18NKUA 1Recommended dimensions of the baffle platesAir Intake Baffle Air Discharge BaffleFig. 5h 3 Installation procedure CU-KS12NK1A1. Air Intake Baffle 2.Air Discharge Baffle2. Air Discharge Baffle 4 Precautions for installationCU-KS18NKUA 1. Air Intake Baffle3-3.Placing the Unit Inside the Ceiling 3. How to Install the Indoor Unit3-1.Preparation for Suspending 3-2.Suspending the Indoor UnitFig. 3-4.Installing the Drain PipingDo not use natural drainage Fig.Fig. 6-10a 3-6.How to Install the Ceiling Panel3-6-1.Before Installing the Ceiling Panel 3-5.Checking the DrainageFig. 3-6-2.Installing the Ceiling PanelFig. Fig.A. Attaching the corner cover 3-6-3.Wiring the Ceiling Panel and the IndicatorFig. Fig.General precautions on wiring 3-6-5.Checking After Installation3-6-7.Adjusting the Auto Flap 3-7.Wiring InstructionsOtherwise, electrical shock may occur Each wire must be firmly connectedWIRING SYSTEM DIAGRAM CU-KS12NK1A TableFig. 3-9.Wiring Instructions for Inter-unitConnectionsHow to connect wiring to the terminal For solid core wiring or F-cableFig. 4. How to Install the Outdoor UnitFor stranded wiring 4-1.Wiring Instructions for the Outdoor Unit5-1.Use of the Flaring Method 5. Refrigerant Tubing5-2.Flaring Procedure with a Flare Tool 5-3.Caution before Connecting Tubes TightlyFig. Table5-5.Insulation of Refrigerant Tubing Fig.Air Purging with a Vacuum Pump for Test Run 6. Air Purging5-7.Finishing the Installation 5-6.Taping the TubesFig. TableBe sure to completely insert the hex wrench before attempting to turn the valveFig. How to Test Run the Air ConditionerFig. Fig. Pump Down Procedure Basic Functions of the Service ValvesPump Down ing the service valveTable Service Valve Connections7. Remote Controller Installation Position Remote control holderFig. 8. Address Switch8-1.Address Setting of the Remote Controller Fig.Page Operating Instructions APPENDIX CCZ-RD515U Model No. CZ-RD515U Operating Instructions Wired Remote ControllerPRODUCT INFORMATION FEATURESCONTENTS SAFETY PRECAUTIONSAvoid INSTALLATION LOCATIONSAFETY INSTRUCTIONS ELECTRICAL REQUIREMENTSDisplay REMOTE CONTROLLERTemperature setting buttons TEMP Timer and Present Time setting buttonsHEAT 1 HR. TIMER button 1-HOUROFF TIMERTIMER SELECT button AUTO1Operation mode AUTO only for COOL/DRY/HEAT Model REMOTE CONTROLLER DISPLAYSymbols OPERATION WITH THE REMOTE CONTROLLER 1.Automatic Operationonly for COOL/DRY/HEAT Model 2. Manual Operation5. Night Setback Mode 3. Adjusting the Fan SpeedRemote Controller Display 4. Fan Only2. How to set the OFF time 5. Backup functionSETTING THE TIMER 1. How to set the present timeSetting procedure USING THE 1-HOUROFF TIMERADJUSTING THE AIRFLOW DIRECTION 1. 1-HourOFF TimerPage CZ-RD515U APPENDIX DINSTALLATION INSTRUCTIONS How to install the remote controller INSTALLATION INSTRUCTIONS Wired Remote ControllerParts supplied with the remote controller Remote controller installation guidelinesFig. 2-b A. Installing with in-walljunction boxB. Installing directly onto the wall Fig. 2-aFig. How to wire the remote controllerFig. Fig. 8-aFig. WI1011-0 Printed in China How to Test Run the Air ConditionerFig. Fig.Page DC1111-0