Panasonic CU-3KE19NBU, CU-4KE31NBU, CU-4KE24NBU CS-KE18NB4UW + CS-MKE12NB4U + CS-MKE12NB4U

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Outdoor Unit

: CU-4KE24NBU

 

 

 

 

 

 

 

 

Indoor Unit

: CS-KE18NB4UW + CS-MKE12NB4U + CS-MKE12NB4U

 

 

Power Supply : 230V Single Phase 60Hz

 

 

 

 

 

 

 

 

< Cooling Capacity >

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RATING CAPACITY:

22,000 BTU/h

 

AIR FLOW RATE:

812 CFM

 

INDOOR

 

 

 

 

OUTDOOR

 

 

 

 

 

ENT. TEMP. o F ( o C)

 

 

AMBIENT TEMP. o F ( o C)

 

 

 

WB

 

DB

 

65

75

85

95

105

115

 

 

 

 

 

(18.3)

(23.9)

(29.4)

(35.0)

(40.6)

(46.1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TC

22,200

21,450

20,630

20,050

19,080

14,380

 

 

72

(22.2)

SHC

18,570

18,260

17,780

17,630

17,150

14,380

 

59

76

(24.4)

SHC

21,570

21,100

20,630

20,050

19,080

14,380

 

(15.0)

80

(26.7)

SHC

22,200

21,450

20,630

20,050

19,080

14,380

 

 

84

(28.9)

SHC

22,200

21,450

20,630

20,050

19,080

14,380

 

 

88

(31.1)

SHC

22,200

21,450

20,630

20,050

19,080

14,380

 

 

 

 

TC

23,180

22,410

21,580

21,020

19,870

14,760

 

 

72

(22.2)

SHC

15,260

14,940

14,630

14,310

13,840

11,790

 

63

76

(24.4)

SHC

18,260

17,780

17,470

17,310

16,840

14,760

 

(17.2)

80

(26.7)

SHC

21,250

20,940

20,620

20,310

19,830

14,760

 

 

84

(28.9)

SHC

23,180

22,410

21,580

21,020

19,870

14,760

 

 

88

(31.1)

SHC

23,180

22,410

21,580

21,020

19,870

14,760

 

 

 

 

TC

24,160

23,380

22,520

#

22,000

20,400

15,130

 

 

72

(22.2)

SHC

11,950

11,630

11,320

11,000

10,530

8,480

 

67

76

(24.4)

SHC

14,790

14,470

14,160

14,000

13,370

11,470

 

(19.4)

80

(26.7)

SHC

17,940

17,630

17,310

17,150

16,520

14,630

 

 

84

(28.9)

SHC

20,780

20,620

20,150

19,990

19,360

15,130

 

 

88

(31.1)

SHC

23,780

23,380

22,520

22,000

20,400

15,130

 

 

 

 

TC

25,110

24,320

23,450

22,980

20,880

15,450

 

 

72

(22.2)

SHC

8,320

8,000

7,690

7,530

6,900

5,160

 

71

76

(24.4)

SHC

11,320

11,000

10,690

10,530

9,900

8,000

 

(21.7)

80

(26.7)

SHC

14,310

14,160

13,840

13,680

12,890

11,160

 

 

84

(28.9)

SHC

17,310

16,990

16,680

16,520

15,890

14,000

 

 

88

(31.1)

SHC

20,310

19,990

19,680

19,520

18,730

15,450

 

 

 

 

TC

25,920

25,120

24,250

23,840

21,230

15,690

 

75

76

(24.4)

SHC

7,850

7,530

7,370

7,220

6,430

4,690

 

(23.9)

80

(26.7)

SHC

10,840

10,690

10,370

10,210

9,420

7,850

 

 

84

(28.9)

SHC

13,840

13,520

13,370

13,210

12,420

10,690

 

 

88

(31.1)

SHC

16,840

16,520

16,210

16,210

15,420

13,680

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 DC Inverter MULTI-SYSTEM AIR Conditioner Safety Precautions Prohibit Table of Contents Appendix a Semi-Concealed Type Wall Mounted TypeOperating Range Outdoor Unit CU-3KE19NBU Unit SpecificationsIndoor Unit CS-MKE9NKU × Duct Less Type Rated 230VIndoor Unit Outdoor Unit208V CU-4KE24NBU Running Amperes 10.1 Running Amperes 10.0 11.1 CU-4KE31NBU Running Amperes 12.3 10.3 Running Amperes 12.7 11.4 Outdoor Unit Major Component SpecificationsOutdoor Unit CU-4KE24NBU Outdoor Unit CU-4KE31NBU CU-3KE19NBU CU-4KE24NBU CU-4KE31NBU Other Component SpecificationsDimensional Data Unit inchmm 852-0-0010-20400-0 Unit inchmm 852-0-0010-20300-0 Indoor unit Outdoor unit Refrigerant Flow DiagramInsulation of Refrigerant Tubing Valve Narrow tube Curve because it can cause the tube to break or crack Indoor Unit CS-MKE7NKU × Temperature ChartsTemperature Charts CU-3KE19NBU F21 Outdoor Unit CU-3KE19NBU Indoor Unit CS-MKE12NKU × Heating CharacteristicsIndoor Unit CS-MKE18NKU × Indoor Unit CS-MKE9NB4U × Outdoor Unit CU-3KE19NBU Indoor Unit CS-MKE12NB4U × Indoor Unit CS-KE12NB4UW × Temperature Charts CU-4KE24NBU 188 Lo fan Hi fan HH fan Outdoor Unit CU-4KE24NBU Indoor Unit CS-MKE12NKU × Indoor Unit CS-MKE18NKU × Indoor Unit CS-MKE24NKU × 23C 73F Current 21C Temp 70F 17C Air Indoor 63F Outdoor Unit CU-4KE24NBU Indoor Unit CS-MKE12NB4U × Indoor Unit CS-KE12NB4UW × Temperature Charts CU-4KE31NBU Wide 362 Pressure 290 High 218 Outdoor air temperature F C 73F 23C Temp Indoor 73F 23C Air Temp 86F 30C Temp Air Indoor 63F Wide 362 Current Indoor Outdoor Cooling CapacityCS-MKE12NB4U × Power Supply 230V Single Phase 60Hz Cooling CapacityCS-MKE9NKU × CS-KE18NB4UW + CS-MKE12NB4U + CS-MKE12NB4U 30,600 BTU/h CS-MKE9NB4U × Cooling Capacity Low Ambient TC Total Cooling Capacity BTU/h ENT. TEMP. o F o C Ambient TEMP. o F o C 12.8 23,390 23,310 18,570 22,160 24,260 30,760 22,560 28,790 22,730 TH Total Heating Capacity BTU/h Heating CapacityPower Supply 230V Single Phase 60Hz Heating Capacity 29,200 BTU/h 28,400 BTU/h 32,000 BTU/h 000 CFM Outdoor Unit CU-3KE19NBU 8FA2-5251-11700-1 Electric Wiring DiagramsOutdoor Unit CU-4KE24NBU 8FA2-5251-11500-1 Outdoor Unit CU-4KE31NBU 8FA2-5251-11300-1 Explanation of Functions FunctionsStop Cool Frequency control Fluctuation fanFluctuation fan Low Ambient Cooling Operation Protective Functions Clean defrostDefrost Detection and Release Non-stop defrostingDescription of function Current ControlAutomatic frequency control Current controlReset conditions Compressor Temperature ControlLow Start Current Control at Heat Start-upPrecautions before Performing Inspection or Repair Troubleshooting Before Calling for ServiceDisplay of the Error Monitor Lamps Trouble Diagnosis by Error Monitor LampsLocation of the Error Monitor Lamps Checking the Outdoor System Work procedure Check items unit operationChecking the outdoor unit Checking the defrost operationTrouble Diagnosis of Each Part Problems of Each Part and Inspection PointsInspection Points for Each Part CU-3KE19NBU MV0 MV1 MV2 CU-4KE24NBU CU-4KE31NBU Electric expansion valveRefrigerant gas pressure Branch tubing temperature sensorBreaker Diagnostic results Diagnostic procedureRemedy for symptom 3 to Trouble Diagnosis of Fan MotorWhat is New Refrigerant R410A? Characteristics of New Refrigerant R410ACharacteristics Components mixing proportionsChecklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresCase of Compressor Malfunction Procedure for Replacing CompressorExample Amount in the charging cylinder is less than 20%To prevent the composition R410A from changingRecharging Case Refrigerant is LeakingWelding leaking points Charging Additional Refrigerant When Tubes are ExtendedRetro-Fitting Existing Systems Use of Existing UnitsPage 852-6-4190-584-00-2 For Outdoor Unit ContentsPlease Read Before Starting ‡ 8VHWKHIODUHPHWKRGIRUFRQQHFWLQJWXELQJ Fins of the outdoor unit. You may get injuredGeneral Indoor Unit Installation Site SelectionFor wall-mounted units For ceiling-mounted cassette unitsH1, H2, H3, H4 Connecting indoor unit for CU-4KE24NBU Connecting Indoor UnitsConnecting indoor unit for CU-3KE19NBU 815.88mm Locally purchased Connecting indoor unit for CU-4KE31NBU CS-MKE24NKU It is recommended to use baffle plates Baffle Plate for the Outdoor UnitFront BackAir Discharge Baffle Air Intake BafflePrecautions for installation CU-3KE19NBU Outer Dimensions of Outdoor UnitCU-4KE24NBU CU-4KE31NBUNever install only a single indoor unit Diagram of Outdoor Unit InstallationUse of the Flaring Method Installation ProcessFlaring Procedure with a Flare Tool Tubing Connections To 0.5 mm Adjust so that the amount of tubeTo prevent heat loss and wet floors due to dripping of con Insulation of Refrigerant Tubing For wall-mounted units  For ceiling-mounted cassette units Air Purging with a Vacuum Pump for Test Run Finishing the InstallationAir Purging Adapter manual, and use the adapter correctly External diameter of service port R410A 5/16Pump-down procedure What is pump-down? Pump Down If pump-down is not possibleRecommended Wire Length and Diameter Wiring InstructionsGeneral Precautions on Wiring Disconnect switch may be required by national or local codes For Outdoor Unit  For solid core wiring or F-cable How to connect wiring to the terminal For stranded wiring For Indoor UnitIndoor unit D Wiring Instructions for the Outdoor UnitIndoor unit B Indoor unit CPerforming a test run Checking tubing and wiringTest Run Installation Check Sheet Connecting a Home Automation DeviceDC1111-0
Related manuals
Manual 114 pages 38.6 Kb Manual 56 pages 332 b

CU-3KE19NBU, CU-4KE24NBU, CU-4KE31NBU specifications

The Panasonic CU-4KE24NBU, CU-4KE31NBU, and CU-3KE19NBU are high-efficiency air conditioning units that represent Panasonic's commitment to innovative climate control solutions. These models integrate advanced technologies to deliver superior performance, energy savings, and user comfort, making them ideal for both residential and commercial applications.

The CU-4KE24NBU, a part of the ECOi series, is designed for medium-sized spaces. It boasts an impressive cooling capacity, ensuring optimal temperature regulation. Its inverter technology adjusts the compressor speed according to the needs of the environment, resulting in reduced energy consumption and consistent comfort levels. The unit operates quietly, making it suitable for bedrooms, offices, or other noise-sensitive environments. Additionally, it features a robust air filtration system that improves indoor air quality by removing dust and allergens.

The CU-4KE31NBU offers a slightly higher capacity, making it perfect for larger areas. Like its counterpart, it utilizes inverter technology, which not only enhances energy efficiency but also minimizes wear and tear on the components, leading to a longer lifespan. Its multi-split capability allows for the connection of multiple indoor units to a single outdoor unit, providing flexibility in installation. The CU-4KE31NBU also integrates smart technology that allows users to control the system remotely via smartphones, giving them greater convenience and control over their environment.

For applications requiring a more compact option, the CU-3KE19NBU is an excellent choice. This model balances size and power, offering a competitive cooling capacity that can easily service small to medium-sized rooms. The unit is designed for easy installation and maintenance, featuring a lightweight construction that simplifies handling by technicians. The efficient inverter technology ensures that users benefit from lower energy bills while maintaining a consistent indoor climate.

All three models are equipped with Panasonic’s advanced refrigerants, which contribute to their eco-friendly performance. These refrigerants help reduce greenhouse gas emissions while maintaining high efficiency. Moreover, the units come with built-in diagnostic capabilities, allowing for quick detection of any issues, thus ensuring that the systems operate at peak efficiency throughout their lifespan.

In summary, the Panasonic CU-4KE24NBU, CU-4KE31NBU, and CU-3KE19NBU are exemplary air conditioning solutions that combine cutting-edge technology with user-friendly features, ensuring that they meet the varying needs of today's consumers while promoting energy efficiency and sustainability.