Dimensional Data &

Model Number Code

B

C

A

2 1/2 in.

 

 

(64 mm)

Dimensional Data

Model

A

B

C

Damper Square

 

 

 

 

 

NYD-75

19 (483)

3034 (781)

2012 (521)

10 (254)

NYD-90

19 (483)

3034

(781)

2012 (521)

10 (254)

NYD/NYB-100

22 (559)

3512

(902)

25 (635)

12 (305)

NYD-120

24 (610)

37 (940)

2318 (587)

14 (356)

NYD-130

24 (610)

37 (940)

2318

(587)

14 (356)

NYD/NYB-140

26 (660)

4112

(1054)

2678

(683)

16 (406)

NYB-180

30 (762)

45 (1143)

3258

(829)

18 (457)

NYB-240

34 (864)

5212

(1334)

3858

(981)

24 (610)

All dimensions in inches (millimeters).

Model Number Code

The model number code is designed to completely identify the fan. The correct code letters must be specified to designate the correct construction. The remainder of the model number is determined by the size and performance.

NYD - 120 - A

Model

 

NYD - Direct Drive

 

NYB - Belt Drive

Fan Size

 

 

75 through 240

Motor RPM for Direct Drive

A= 1725 B = 1140

Motor HP for Belt Drive

4 = 1/4

7 = 3/4

3 = 1/3

10

= 1

5 = 1/2

15

= 11/2

4

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Greenheck Fan NYB, NYD manual Dimensional Data, Model Number Code

NYD, NYB specifications

Greenheck Fan has long been known as a leader in the HVAC industry, with a commitment to providing innovative solutions for various ventilation needs. Among their impressive lineup, the NYB and NYD series stand out, showcasing advanced engineering, energy efficiency, and robust performance.

The Greenheck NYB and NYD fans are designed specifically for commercial and industrial applications, focusing on building ventilation demands. The NYB series features belt-driven centrifugal fans, while the NYD series brings direct-drive technology to the table. This versatility allows these fans to accommodate a wide range of air handling applications, from exhaust to supply air scenarios.

One of the main features of the NYB series is its ability to handle high volumes of air at modest static pressures. This performance characteristic is ideal for environments such as warehouses, factories, and large commercial spaces where air turnover is crucial. The NYD series, on the other hand, excels in applications requiring quieter operation and reduced maintenance, thanks to its direct-drive design, which eliminates the need for belts and pulleys.

Both the NYB and NYD fans come equipped with several advanced technologies designed to enhance their efficiency and reliability. For instance, they often incorporate energy-efficient motors that comply with or exceed regulations set by agencies like the Department of Energy (DOE). This focus on energy efficiency not only reduces operational costs but also supports sustainability in building operations.

Durability is a key characteristic of both series, with robust construction materials that ensure longevity even in demanding environments. The fans typically feature heavy-gauge steel housings and high-quality coatings that resist corrosion, thereby extending their service life.

Moreover, these fans can be customized with various accessories, including adjustable dampers, filters, and sound attenuators, enabling them to meet specific application requirements. The easy installation and maintenance features add to their appeal, allowing for seamless integration into existing systems.

In summary, the Greenheck Fan NYB and NYD series represent cutting-edge options for any commercial or industrial ventilation system. Their combination of energy efficiency, advanced technologies, durability, and customization makes them a go-to choice for professionals seeking reliable and effective air management solutions.