Chapter 5: Performance, Electrical, and Sound Data

Table 5-1 (continued). Performance Data.

 

 

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)

 

 

 

 

 

 

 

 

90° F DB/66.1° F WB Entering AIr Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

221,108

64.7

204,623

59.9

46.2

29.8

 

change

40° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

207,922

60.9

199,053

58.3

36.2

19.6

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

177,357

51.9

177,357

51.9

37.4

20.3

 

change

45° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

167,355

49.0

167,355

49.0

29.5

14.0

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

148,407

43.5

148,407

43.5

31.6

15.4

 

change

50° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

141,408

41.4

141,408

41.4

25.2

10.8

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

85° F DB/64.5° F WB Entering AIr Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

199,491

58.4

180,880

53.0

41.8

25.0

 

change

40° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

184,737

54.1

174,604

51.1

32.4

16.3

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

154,771

45.3

154,771

45.3

32.9

16.7

 

change

45° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

144,039

42.2

144,039

42.2

25.6

11.1

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

125,357

36.7

125,357

36.7

27.0

12.1

 

change

50° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

117,882

34.5

117,882

34.5

21.3

8.5

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

80° F DB/62.8° F WB Entering AIr Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

176,442

51.7

156,565

45.8

37.2

20.6

 

change

40° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

159,804

46.8

149,444

43.8

28.2

13.0

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

130,953

38.3

130,953

38.3

28.2

12.9

 

change

45° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

119,742

35.1

119,742

35.1

21.6

8.7

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10° F Temperature

101,625

29.8

101,625

29.5

22.3

9.0

 

change

50° F EWT

 

 

 

 

 

 

 

 

 

 

 

 

 

12° F Temperature

93,093

27.3

93,093

27.3

17.1

6.3

 

 

change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

724-746-5500 blackbox.com

Page 11

Page 11
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Black Box cold row chilled water(CW) engineering manual, crcw-12, crcw24 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.