Chapter 5: Performance, Electrical, and Sound Data

Table 5-1 (continued). Performance Data.

 

 

 

Total Capacity

Sensible Capacity

Flow Rate

Total System

 

 

12" Chilled Water

Temperature

Pressure Drop

 

 

 

 

 

 

 

 

 

(CRCW-12)

Change

 

 

 

 

 

 

 

 

BTU/H

kW

BTU/H

kW

GPM

(ft. H2O)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80° F DB/64.5° F WB Entering AIr Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

81,155

23.8

77,151

22.6

16.6

9.0

 

 

 

change

 

 

40° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

72,250

21.2

72,250

21.2

12.3

6.0

 

 

 

 

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

61,703

18.1

61,703

18.1

12.6

6.2

 

 

 

change

 

 

45° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

56,587

16.6

56,587

16.6

9.7

4.5

 

 

 

 

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

49,488

14.5

49,488

14.5

10.2

4.8

 

 

 

change

 

 

50° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

44,393

13.0

33,393

13.0

7.7

3.7

 

 

 

 

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total Capacity

Sensible Capacity

Flow Rate

Total System

 

 

24" Chilled Water

Temperature

Pressure Drop

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(CRCW-24)

Change

BTU/H

kW

BTU/H

kW

GPM

(ft. H2O)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100° F DB/69.2° F WB Entering AIr Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

263,192

77.1

250,429

73.3

54.5

39.4

 

 

 

change

 

 

40° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

251,539

73.7

245,539

71.9

43.5

26.8

 

 

 

 

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

219,854

64.4

219,854

64.4

45.9

29.2

 

 

 

change

 

 

45° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

211,927

62.1

211,927

62.1

37.0

20.2

 

 

 

 

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

192,259

56.3

192,259

56.3

40.5

23.4

 

 

 

change

 

 

50° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

186,556

54.6

186,556

54.6

32.8

16.5

 

 

 

 

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

95° F DB/67.7° F WB Entering AIr Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

242,729

71.1

227,717

66.7

50.5

34.8

 

 

 

change

 

 

40° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

230,726

67.6

222,663

65.2

40.1

23.3

 

 

 

 

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

199,089

58.3

199,089

58.3

41.8

24.9

 

 

 

change

 

 

45° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

190,287

55.7

190,287

55.7

33.4

17.0

 

 

 

 

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

170,772

50.0

170,772

50.0

36.2

19.4

 

 

 

change

 

 

50° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

164,228

48.1

164,228

48.1

29.0

13.4

 

 

 

 

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 10

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Page 10
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Black Box crcw24, crcw-12, cold row chilled water(CW) engineering manual Performance, Electrical, and Sound Data

cold row chilled water(CW) engineering manual, crcw24, crcw-12 specifications

The Black Box Cold Row Chilled Water (CW) Engineering Manual focuses on the CRCW-12 and CRCW-24 models, designed for precision cooling in data centers and critical environments. These systems play a vital role in ensuring optimal temperature management, thereby enhancing operational efficiency and equipment longevity.

One of the main features of the CRCW-12 and CRCW-24 units is their high cooling capacity. The CRCW-12 provides a cooling capacity of 12 tons, while the CRCW-24 doubles this capacity with 24 tons. This robust performance makes these units suitable for diverse applications, from small server rooms to large data centers.

Another key characteristic is their modular design, allowing for easy scalability. This flexibility enables users to expand their cooling capabilities as their infrastructure grows, making it an excellent long-term investment. The compact footprint of both models ensures they can fit into tight spaces without sacrificing performance.

In terms of energy efficiency, both CRCW models incorporate advanced technologies such as variable speed fans and compressors. These components adjust their speed according to real-time cooling demand, significantly reducing energy consumption. This smart technology not only lowers operational costs but also contributes to environmental sustainability.

The systems are equipped with state-of-the-art controls that facilitate precise temperature management. These controls enable remote monitoring and management through integrated software platforms, making it easier for facility managers to oversee cooling performance and make necessary adjustments.

Additionally, the CRCW series includes features like dual refrigerant circuits, which increase reliability by allowing the system to maintain operation even if one circuit fails. This redundancy is crucial for mission-critical environments where cooling cannot be compromised.

Noise reduction is another notable characteristic. Both models are designed with sound-dampening technology, making them suitable for environments where low noise levels are essential, such as offices adjacent to data centers.

The use of high-quality materials and components ensures durability and prolonged service life. Regular maintenance is simplified with easily accessible parts, allowing for efficient servicing and lower downtime.

In conclusion, the Black Box CRCW-12 and CRCW-24 cold row chilled water systems are engineered to meet the rigorous demands of modern data centers. Their combination of high cooling capacity, energy efficiency, modular design, and advanced control technologies makes them a preferred choice for reliable and effective temperature management.