Panasonic CS-MKS18NKU CS-MKS24NKU, Model No, Indoor Units, CU-3KS19NBU, CU-4KS24NBU, CU-4KS31NBU

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Model No.

Operating Instructions

Split System Air Conditioner

Model No.

 

Indoor Units

Outdoor Units

CS-MKS18NKU

CU-3KS19NBU

CS-MKS24NKU

CU-4KS24NBU

 

CU-4KS31NBU

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

85264181215001

CV6233187631

Image 71
Contents DC INVERTER MULTI-SYSTEM AIR CONDITIONER INDOOR UNIT CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CS-MKS18NKUCS-MKS24NKU TECHNICAL & SERVICE MANUALSAFETY PRECAUTIONS If refrigerant gas leaks during the work, ventilate the room 8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE Table of Contents2. SPECIFICATIONS 4. REFRIGERANT FLOW DIAGRAMAPPLICABLE MULTI-OUTDOOR UNITS Outdoor Air Intake Temp 1. OPERATING RANGETemperature Indoor Air Intake TempDimensions & Weight SPECIFICATIONSUnit Specifications FeaturesVoltage Rating FeaturesDimensions & Weight TypeVoltage Rating FeaturesDimensions & Weight TypeVoltage Rating FeaturesDimensions & Weight TypeVoltage Rating FeaturesDimensions & Weight TypeVoltage Rating FeaturesDimensions & Weight TypeVoltage Rating FeaturesDimensions & Weight TypeVoltage Rating FeaturesDimensions & Weight TypeVoltage Rating FeaturesDimensions & Weight TypeVoltage Rating Fan Motor 2-2. Major Component Specifications2-2-1. Indoor Unit Control PCBIndoor Unit CS-MKS9NKU Indoor Unit CS-MKS12NKU Indoor Unit CS-MKS18NKU Indoor Unit CS-MKS24NKU Temperature F C 2-3. Other Component SpecificationsResistance k ohm CS-MKS9NKU CS-MKS12NKU 3. DIMENSIONAL DATACS-MKS18NKU CS-MKS24NKU4-1. Refrigerant Flow Diagram 4. REFRIGERANT FLOW DIAGRAM5. PERFORMANCE DATA 5-1. Air Throw Distance ChartsCS-MKS9NKU Room air temp. 80F 26.7C Cooling Cooling Cooling LAMP 6-1. Electric Wiring Diagrams6. ELECTRICAL DATA ASSYSENSOR DRY 7. FUNCTIONS7-1. Operation Functions Emergency operationLamp colors HIGH POWERTimer backup NIGHT SETBACKFreeze prevention 7-2. Protective FunctionsPROCEDURE 8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE8-1. Precautions before Performing Inspection or Repair 8-2. Method of Self-DiagnosticsINDICATION ON INDOOR UNIT INDOOR UNIT 1 OPERATION lamp 2 TIMER lamp 3 QUIET lampOPERATION button REMOTE CONTROL receiver DIAGNOSIS CONTENTSCheck the indoor unit Is the fuse blown? 2 If the self-diagnostics function fails to operateNo indicators illuminate and the indoor fan does not rotate Check the power voltage BlownT-RUN Test run compressor and fan motor turn ON 8-3. Checking the Indoor and Outdoor UnitsTimer 3 How to Identify a Serial Communication Error3-2 Condition E12 8-4-1. Indoor Fan Motor 8-4. Trouble Diagnosis of Fan MotorCorrection 8-5. Noise Malfunction and Electromagnetic InterferenceLocations most susceptible to noise TroublePage CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU APPENDIX A Operating InstructionsModel No Indoor Units Operating Instructions Split System Air ConditionerCS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CU-3KS19NBU CU-4KS24NBU CU-4KS31NBUPRODUCT INFORMATION FEATURESCONTENTS SAFETY PRECAUTIONSELECTRICAL REQUIREMENTS INSTALLATION LOCATIONSAFETY INSTRUCTIONS Refrigerant gas leakage may cause fire Refrigerant Tubes OUTDOOR UNIT Air Outlet NAMES OF PARTSAir Intakes INDOOR UNIT Air Outlet Remote Controller Drain Hose Remote ControllerUNIT DISPLAY AND OPERATION BUTTON REMOTE CONTROLLER DISPLAY REMOTE CONTROLLER SWEEP REMOTE CONTROLLER CONTINUEDUSING THE REMOTE CONTROLLER USING THE REMOTE CONTROLLER CONTINUED 1. Operation OPERATION WITH THE REMOTE CONTROLLER3. Fan Only OPERATION WITH THE REMOTE CONTROLLER CONTINUED2. Adjusting the Fan Speed Night Setback Mode is used for saving energy 4. Night Setback ModeSetting In Cooling and DRY Mode and5. QUIET Mode 6. HIGH POWER ModeCooling Operation Remote ControllerSPECIAL REMARKS ‘‘DRY’’ Operation1. How to set the present time SETTING THE TIMERREPEAT timer SETTING THE TIMER CONTINUEDCancellation procedure USING THE 1-HOUR OFF TIMERTIPS FOR ENERGY SAVING Setting procedureADJUSTING THE AIRFLOW DIRECTION CARE AND CLEANING OPERATION WITHOUT THE REMOTE CONTROLLERGroove Pin Air intake grille CARE AND CLEANING CONTINUEDHow to remove the filter 1. Grasp both ends of the air filterWashing the grille with water WIRED REMOTE CONTROLLERWhen using a footstool or the like, be careful not to let it tip over Possible Cause TROUBLESHOOTING BEFORE CALLING FOR SERVICEOPERATING RANGE TroubleOutdoor Unit SPECIFICATIONSModel No Indoor UnitCS-MKS18NKU CS-MKS24NKU APPENDIX B Operating InstructionsIndoor Units CS-MKS18NKUCS-MKS24NKU Model NoSimple One-touch Remote Controller FEATURESCONTENTS SAFETY PRECAUTIONSELECTRICAL REQUIREMENTS INSTALLATION LOCATIONSAFETY INSTRUCTIONS Refrigerant gas leakage may cause fire Refrigerant Tubes OUTDOOR UNIT Air Outlet Air Intakes INDOOR UNIT Air Outlet Remote Controller Drain HoseRemote Controller NAMES OF PARTSUNIT DISPLAY AND OPERATION BUTTON REMOTE CONTROLLER DISPLAY REMOTE CONTROLLER REMOTE CONTROLLER CONTINUED REMOTE CONTROLLER CONTINUED USING THE REMOTE CONTROLLERUSING THE REMOTE CONTROLLER CONTINUED 1. Operation OPERATION WITH THE REMOTE CONTROLLER3. Fan Only OPERATION WITH THE REMOTE CONTROLLER CONTINUED2. Adjusting the Fan Speed 4. Night Setback Mode OPERATION WITH THE REMOTE CONTROLLER CONTINUED5. QUIET Mode OPERATION WITH THE REMOTE CONTROLLER CONTINUED6. HIGH POWER Mode Cooling Operation Remote ControllerSPECIAL REMARKS ‘‘DRY’’ Operation1. How to set the present time SETTING THE TIMERREPEAT timer SETTING THE TIMER CONTINUED2. Operation together with the DAILY ON/OFF REPEAT Timer USING THE 1-HOUR OFF TIMERSetting procedure Cancellation procedureADJUSTING THE AIRFLOW DIRECTION CARE AND CLEANING Groove Pin Air intake grille Air intake grille CARE AND CLEANING CONTINUED WIRED REMOTE CONTROLLERPossible Cause TROUBLESHOOTING BEFORE CALLING FOR SERVICEOPERATING RANGE TroubleCS-MKS18NKU CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CS-MKS18NKU CS-MKS24NKU APPENDIX C INSTALLATION INSTRUCTIONSFor Indoor Unit INSTALLATION INSTRUCTIONS Split System Air ConditionerContents NOTE External diameter of service port R410A 5/16In Case of Improper Installation SPECIAL PRECAUTIONSWhen Transporting When Installing…‡ &KHFNFDUHIXOO\IRUOHDNVEHIRUHVWDUWLQJWKHWHVWUXQ When ServicingOthers obtaining wire. Also, check 1. General1-1. Tools Required for Installation not supplied 1-2. Accessories Supplied with Unit TableAVOID 2. Installation Site Selection1-5. Additional Materials Required for Installation 2-1. Indoor Unit2-2. Embedding the Tubing and Wiring 3-2. Make a Hole 3. How to Install the Indoor Unittrical wiring or conduits are 3-1. Remove the Rear Panel from the UnitFig. 13a 3-3. Install the Rear Panel on the Walla If Wooden Wall b If Block, Brick, Concrete or Similar Type Wall3-4. Removing and Installing the Grille 3-4-1. Indoor unit types Fig. 17a-1 Fig. 17b-1 3-4-2. Indoor unit types CS-MKS18NKU, CS-MKS24NKUFig. 19b-1 Fig. 16a-1 Fig. 16b-13-5. Shape the Indoor Side Tubing 3-6. Wiring Instructions General precautions on wiringFig. 26b 3-7. Wiring Instructions for Inter-unit ConnectionsFig. 26a  For stranded wiring WARNING Loose wiring may cause the terminal to overheat or resultHow to connect wiring to the terminal a For Indoor Unit b For Outdoor Unit  For solid core wiring or F-cableFig. 37b 3-8. Mounting Right-side tubing Fig. 37aDrain cap Switching drain hose and drain cap Left-side tubing Drain hose3-9. Drain Hose Do not supply power to thetubing and wiring to the out To unmount indoor unitFig. 59c 4. How to Test Run the Air ConditionerFig. 59a Fig. 59b 5. Remote Controller Installation Position 6-1. Address Setting of the Remote Controller 6. Address Switch8. Installation Check Sheet 7. Connecting a Home Automation DevicePage DC1111-0
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CS-MKS18NKU, CS-MKS9NKU, CS-MKS24NKU specifications

The Panasonic CS-MKS7NKU, CS-MKS9NKU, and CS-MKS12NKU are part of Panasonic's reputable air conditioning lineup, designed to provide efficient and comfortable cooling and heating solutions for various spaces. These models are ideal for residential and light commercial use, showcasing a blend of innovative technology and user-friendly features.

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Another outstanding feature is the advanced air filtration system integrated into all three models. The system includes a nanoe™ X technology which utilizes nano-sized charged water particles to effectively inhibit the growth of airborne bacteria and viruses, thus improving indoor air quality. Additionally, the filters are designed for easy cleaning, providing convenience for users and reducing maintenance efforts.

The CS-MKS series also boasts a sleek and modern design that seamlessly fits into various interior decors while being compact enough for easy installation. They are engineered for whisper-quiet operation, making them suitable for bedrooms, offices, and other quiet spaces, ensuring comfort without the distraction of noise.

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In terms of energy efficiency, all models are rated highly, ensuring that they not only provide comfort but also minimize environmental impact. Their eco-friendly refrigerant further supports sustainable operation, making them a top choice for environmentally conscious consumers.

In summary, the Panasonic CS-MKS7NKU, CS-MKS9NKU, and CS-MKS12NKU are highly efficient air conditioning units that combine inverter technology, advanced air purification, modern design, and smart connectivity. These features make them ideal candidates for anyone looking for reliable, eco-friendly, and user-centric climate control solutions.