5-2. Cooling Capacity

Outdoor Unit : CU-3KE19NBU

Indoor Unit : CS-MKE9NKU × 3

Power Supply : 230V Single Phase 60Hz

< Cooling Capacity >

RATING CAPACITY:

18,600 BTU/h

 

AIR FLOW RATE:

777 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

 

18,680

18,040

17,350

 

16,800

15,990

15,120

 

72

(22.2)

SHC

 

16,090

15,780

15,480

 

15,180

14,880

14,580

59

76

(24.4)

SHC

 

18,680

18,040

17,350

 

16,800

15,990

15,120

(15.0)

80

(26.7)

SHC

 

18,680

18,040

17,350

 

16,800

15,990

15,120

 

84

(28.9)

SHC

 

18,680

18,040

17,350

 

16,800

15,990

15,120

 

88

(31.1)

SHC

 

18,680

18,040

17,350

 

16,800

15,990

15,120

 

 

 

TC

 

19,590

18,930

18,220

 

17,690

16,850

15,940

 

72

(22.2)

SHC

 

13,070

12,920

12,620

 

12,310

12,010

11,710

63

76

(24.4)

SHC

 

15,780

15,480

15,180

 

15,030

14,730

14,280

(17.2)

80

(26.7)

SHC

 

18,650

18,350

18,050

 

17,690

16,850

15,940

 

84

(28.9)

SHC

 

19,590

18,930

18,220

 

17,690

16,850

15,940

 

88

(31.1)

SHC

 

19,590

18,930

18,220

 

17,690

16,850

15,940

 

 

 

TC

 

20,510

19,840

19,110

 

#

18,600

17,730

16,790

 

72

(22.2)

SHC

 

10,200

9,900

9,600

 

9,450

9,150

8,690

67

76

(24.4)

SHC

 

12,770

12,620

12,310

 

12,160

11,710

11,410

(19.4)

80

(26.7)

SHC

 

15,630

15,330

15,030

 

14,880

14,580

14,280

 

84

(28.9)

SHC

 

18,350

18,050

17,750

 

17,600

17,290

16,790

 

88

(31.1)

SHC

 

20,510

19,840

19,110

 

18,600

17,730

16,790

 

 

 

TC

 

21,440

20,750

20,010

 

19,530

18,630

17,660

 

72

(22.2)

SHC

 

7,030

6,730

6,430

 

6,280

5,980

5,680

71

76

(24.4)

SHC

 

9,600

9,450

9,150

 

9,000

8,690

8,390

(21.7)

80

(26.7)

SHC

 

12,470

12,160

12,010

 

11,860

11,560

11,110

 

84

(28.9)

SHC

 

15,180

14,880

14,580

 

14,430

14,130

13,820

 

88

(31.1)

SHC

 

17,750

17,600

17,290

 

17,140

16,840

16,540

 

 

 

TC

 

22,250

21,560

20,810

 

20,360

19,450

18,450

75

76

(24.4)

SHC

 

6,580

6,430

6,130

 

5,980

5,680

5,370

(23.9)

80

(26.7)

SHC

 

9,450

9,150

9,000

 

8,840

8,540

8,240

 

84

(28.9)

SHC

 

12,010

11,860

11,560

 

11,410

11,260

10,960

 

88

(31.1)

SHC

 

14,730

14,580

14,280

 

14,130

13,820

13,520

 

 

 

 

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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Panasonic CU-3KE19NBU, CU-4KE31NBU, CU-4KE24NBU service manual Cooling Capacity, Indoor Outdoor
Page 49 Page 51

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.
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