Panasonic CS-KE18NB4UW, CU-KE18NKU, CS-KE12NB41, CZ-18BT1U Cooling Capacity, CU-KE12NK1

Page 27

5-2. Cooling Capacity

Indoor Unit

: CS-KE12NB41 & CZ-18BT1U

 

 

 

 

 

 

 

Outdoor Unit

: CU-KE12NK1

 

 

 

 

 

 

 

 

 

Power Supply : 115V Single Phase 60Hz

 

 

 

 

 

 

 

 

 

< Cooling Capacity >

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RATING CAPACITY:

11,900 BTU/h

 

AIR FLOW RATE:

235 CFM

 

INDOOR

 

 

 

 

OUTDOOR

 

 

 

 

 

ENT. TEMP. oF (oC)

 

 

AMBIENT TEMP. oF (oC)

 

 

 

WB

 

DB

 

65

75

85

 

95

105

115

 

 

 

 

 

(18.3)

(23.9)

(29.4)

 

(35.0)

(40.6)

(46.1)

 

 

 

 

TC

8,350

8,570

8,800

 

8,930

9,210

7,830

 

 

72

(22.2)

SHC

6,340

6,430

6,570

 

6,610

6,800

6,060

 

59

76

(24.4)

SHC

7,210

7,300

7,440

 

7,480

7,660

6,930

 

(15.0)

80

(26.7)

SHC

8,120

8,210

8,350

 

8,400

8,530

7,830

 

 

84

(28.9)

SHC

8,350

8,570

8,800

 

8,930

9,210

7,830

 

 

88

(31.1)

SHC

8,350

8,570

8,800

 

8,930

9,210

7,830

 

 

 

 

TC

12,230

12,030

11,790

 

11,580

10,580

7,950

 

 

72

(22.2)

SHC

7,070

6,930

6,840

 

6,700

6,200

4,970

 

63

76

(24.4)

SHC

7,940

7,800

7,710

 

7,570

7,070

5,840

 

(17.2)

80

(26.7)

SHC

8,850

8,720

8,580

 

8,490

7,980

6,750

 

 

84

(28.9)

SHC

9,720

9,590

9,450

 

9,360

8,850

7,620

 

 

88

(31.1)

SHC

10,590

10,450

10,360

 

10,230

9,720

7,950

 

 

 

 

TC

12,460

12,290

12,070

 

#

11,900

10,700

8,040

 

 

72

(22.2)

SHC

5,790

5,700

5,610

 

5,520

4,970

3,870

 

67

76

(24.4)

SHC

6,660

6,570

6,480

 

6,380

5,880

4,740

 

(19.4)

80

(26.7)

SHC

7,570

7,480

7,390

 

7,300

6,750

5,650

 

 

84

(28.9)

SHC

8,440

8,350

8,260

 

8,170

7,620

6,520

 

 

88

(31.1)

SHC

9,310

9,220

9,130

 

9,040

8,490

7,390

 

 

 

 

TC

12,640

12,490

12,300

 

12,170

10,770

8,100

 

 

72

(22.2)

SHC

4,460

4,420

4,330

 

4,280

3,690

2,680

 

71

76

(24.4)

SHC

5,330

5,290

5,200

 

5,150

4,560

3,550

 

(21.7)

80

(26.7)

SHC

6,250

6,200

6,110

 

6,060

5,470

4,460

 

 

84

(28.9)

SHC

7,120

7,070

6,980

 

6,930

6,340

5,330

 

 

88

(31.1)

SHC

7,980

7,940

7,850

 

7,800

7,210

6,200

 

 

 

 

TC

12,730

12,610

12,450

 

12,370

10,780

8,120

 

75

76

(24.4)

SHC

4,050

4,010

3,960

 

3,920

3,370

2,450

 

(23.9)

80

(26.7)

SHC

4,970

4,920

4,880

 

4,830

4,280

3,370

 

 

84

(28.9)

SHC

5,840

5,790

5,740

 

5,700

5,150

4,240

 

 

88

(31.1)

SHC

6,700

6,660

6,610

 

6,570

6,020

5,100

TC : Total Cooling Capacity (BTU/h) SHC : Sensible Heat Capacity (BTU/h)

NOTE

1.Rating conditions (#) : Indoor Unit Entering Air Temp. 80 °F (26.7 °C) DB / 67 °F (19.4 °C) WB

:Outdoor Ambient Temp. 95 °F (35 °C) DB

2.Above data does not take Freeze Prevention Protection during cooling operation into account. For this reason, the value may vary from the actual cooling characteristics.

3.Above data represents the value when the operation frequency of a compressor is fixed.

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Contents 852 361 Outdoor Model No. Product Code NoSafety Precautions Prohibit Table of Contents 11-8 11-211-4 11-7Operating Range Temperature Indoor Air Intake Temp Outdoor Air Intake TempCS-KE12NB41 & CZ-18BT1U SpecificationsUnit Specifications Indoor UnitDimensions & Weight Outdoor Unit Dimensions & Weight Indoor Unit230V CU-KE18NKUCU-KE18NKU 208V CZ-KE18NB4UW & CZ-18BT1U Indoor Unit Panel CZ-18BT1U Major Component SpecificationsIndoor Unit Indoor Unit Body CS-KE12NB41CB-CS-KE18NB4U Indoor Unit Body CS-KE18NB4UWExternal Finish Outdoor UnitOutdoor Unit CU-KE12NK1 CompressorOutdoor Unit CU-KE18NKU Outdoor air temp sensor Other Component SpecificationsIndoor Unit CS-KE12NB41 & CZ-18BT1U Indoor air temp sensor ModelKTEC-35-S98Unit inch mm Dimensional DataUnit inch mm 852-0-0010-12700-0 Unit inch mm 852-0-0010-13200-0 Refrigerant Flow Diagram Refrigerant Flow DiagramOutdoor unit Outdoor unit Temperature Charts Performance DataIndoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit CU-KE12NK1 High pressure performance chart Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU At wide Pressure Power Supply 115V Single Phase 60Hz Cooling Capacity Cooling CapacityCU-KE12NK1 CS-KE18NB4UW & CZ-18BT1U Power Supply 230V Single Phase 60Hz Cooling CapacityCooling Capacity Low Ambient 740 11,860 800 24.4 Power Supply 115V Single Phase 60Hz Heating Capacity Heating CapacityTH Total Heating Capacity BTU/h Power Supply 230V Single Phase 60Hz Heating Capacity Heating Electrical CharacteristicsElectrical Data CoolingVoltage208V Cooling Voltage230V CoolingCS-KE12NB41 18BT1U8FA2-5250-46900-2 Outdoor Unit CU-KE12NK1 8FA2-5251-12200-2 Controller Address Setting of the Remote Controller MaintenanceHow to Connect How to DisconnectDisassembly Procedure Disconnect the connectors in the control boxRemove the air intake grill Remove the ceiling panel Remove the power box and control box Remove the indoor air temperature sensorScrew Ground cable CN07 CN03 CN09 CN06 Remove the main body lower section Remove the heat exchanger sensor Remove the drain pump and float switchRemove the heat exchanger Remove the turbo fan and fan motorAuto cooling/heating operation FunctionsOperation Functions Emergency operationLamp colors Timer backupFreeze prevention Compressor discharge temperature controlProtective Functions Overload prevention during heatingDefrost detection and release CT Peak current cut-off controlReverse-Cycle Defrosting Troubleshooting Before Calling for Service Precautions before Performing Inspection or RepairMethod of Self-Diagnostics Indoor Unit Self-diagnostics LampsReplace the circuit board or the fuse Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units Replace the controllerCondition E01 Serial Communication Error Identification ProcedureOff Blinking Illuminated Before the OperationFrom the previous page a Condition E12 Indoor Fan Motor Trouble Diagnosis of Fan MotorOutdoor Fan Motor Locations most susceptible to noise Trouble Correction Noise Malfunction and Electromagnetic InterferenceNoise malfunction Electromagnetic interferenceMeasurement of Insulation Resistance for Electrical Parts Power Supply CordChecking Electrical Components Measurement of Insulation ResistanceChecking Continuity of Fuse on PCB Assy Characteristics Refrigerant R410A Special Precautions When Servicing UnitCharacteristics of New Refrigerant R410A What is New Refrigerant R410A?Checklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresCase of Compressor Malfunction Procedure for Replacing CompressorTo prevent the composition Configuration and characteristics of cylindersAmount in the charging cylinder is less than 20% ExampleCase Refrigerant is Leaking Welding leaking pointsRecharging Use of Existing Units When Tubes are ExtendedCharging Additional Refrigerant Retro-Fitting Existing SystemsPage Appendix a CS-KE12NB41CU-KE12NK1 CS-KE18NB4UW CU-KE18NKU CU-3KE19NBU CU-4KE24NBU CU-4KE31NBUCZ-18BT1U Product Information FeaturesContents Safety PrecautionsAvoid Installation LocationSafety Instructions Electrical RequirementsUnit Display and Operation Button Names of PartsSymbols Remote Controller DisplayRemote Controller Sensor HR. Timer button 1-HOUR OFF TimerTemperature setting buttons Temp Mode selector buttonSingle/Multiple switch Using the Remote ControllerStep Operation with the Remote ControllerAutomatic Operation Manual OperationFan Only Adjusting the Fan SpeedNight Setback Mode High Power ModeSpecial Remarks Setting the Timer1030 pm 710 am 1100 am Present time How to set the OFF timeHow to set the on time How to set daily ON/OFF repeat timerOperation together with the daily ON/OFF repeat timer Using the 1-HOUR OFF TimerAdjusting the Airflow Direction Hour OFF TimerCleaning the main unit and Remote Controller Care and CleaningWhen the air conditioner is not running Cleaning the flapsCare After a prolonged idle period How to remove the filterHow to remove the air intake grille Air filterTroubleshooting Wired Remote ControllerOperating Range CS-KE12NB41 SpecificationsFor Single use Model No Outdoor Unit Indoor UnitModel No Outdoor Unit Model No Indoor UnitPage Appendix B Installation Instructions Contents Installation Instructions Split System Air ConditionerPlease Read Before Starting Fins of the outdoor unit. You may get injured When ServicingOthers Source, it can produce dangerously toxic gasOptional Copper Tubing Kit Tools Required for Installation not suppliedAccessories Supplied with Unit Table GeneralAdditional Materials Required for Installation Installation Site SelectionHole of the bottom plate Solid base must not coverPlacing the Unit Inside the Ceiling How to Install the Indoor UnitPreparation for Suspending Suspending the Indoor UnitDrain port Installing the Drain Piping Attach so that the hose band Fastener is on the side10a Checking the DrainageIndoor unit Gaps Ceiling surface Ceiling panel Installing the Ceiling PanelAttaching the air-intake grille Wiring the Ceiling Panel and the IndicatorWiring Instructions General precautions on wiring Checking After InstallationWhen Removing the Ceiling Panel for Servicing Adjusting the Auto FlapAlways comply with national and local code requirements Disconnect switch may be required by national or local codesWiring Instructions for Inter-unit Connections How to connect wiring to the terminal For Indoor UnitFor Outdoor Unit  For solid core wiring or F-cable Wiring Instructions for the Outdoor Unit How to Install the Outdoor Unit For stranded wiring First refer to . Installation Site SelectionUse of the Flaring Method Flaring Procedure with a Flare ToolTo 0.5 mm Adjust so that the amount of tube Refrigerant TubingInsulation material Connecting Tubing between Indoor and Outdoor UnitsInsulation of Refrigerant Tubing Taping the flare nuts Air Purging with a Vacuum Pump for Test Run Finishing the InstallationAir Purging Taping the TubesBe sure to completely insert the hex Soap with a clean clothDegrees 1/4 turn for 10 seconds, and then turn Stem clockwise to close it again. FigHow to Test Run the Air Conditioner  Pump Down  Basic Functions of the Service ValvesRemote Controller Installation Position  Service Valve ConnectionsAddress Setting of the Remote Controller Address SwitchCZ-RD515U Appendix CModel No. CZ-RD515U Operating Instructions Wired Remote ControllerAutomatic Switching between Cooling and Heating Installation Location SET button Timer and Present Time setting buttonsTimer Select button Remote Controller Display Automatic Operation Only for COOL/DRY/HEAT Model Heating Mode Only for COOL/DRY/HEAT Model Remote Controller Display910 pm 710 am 1130 pm Present time Backup functionProgrammed Daily on / OFFUsing the 1-HOUR OFF Timer Page Appendix D Installation Instructions CZ-RD515U Installation location Parts supplied with the remote controllerRemote controller installation guidelines How to install the remote controllerInstalling directly onto the wall Installing with in-wall junction boxHow to wire the remote controller WI1011-0 How to Test Run the Air ConditionerPage DC1111-0
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CZ-18BT1U, CS-KE12NB41, CS-KE18NB4UW, CU-KE18NKU, CU-KE12NK1 specifications

The Panasonic CS-KE18NB4UW and CU-KE12NK1, along with the CS-KE12NB41, CZ-18BT1U, and CU-KE18NKU, represent a suite of advanced air conditioning solutions built with cutting-edge technologies designed to provide optimal comfort, energy efficiency, and air quality in various settings.

One of the standout features of this lineup is the inverter technology. Inverter air conditioners adjust the compressor speed to maintain the desired temperature efficiently. This leads to significant energy savings compared to traditional air conditioners, which tend to frequently cycle on and off, consuming more power. By continuously regulating the temperature, the Panasonic units not only save electricity but also prolong the lifespan of the compressor.

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