Greenheck Fan Series L manual LB-48 LBP-48

Page 21

LB/LBP 48

Belt Drive

LB Dimensions

1.4

7038

(1788)

134

58

(44)

(1473)

41

87

 

 

(2210)

 

 

(1041)

 

 

 

 

 

 

Pa

 

 

1158

4112

 

 

PressureStatic

 

 

 

(1054)

 

58

(295)

 

 

(1473)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

RPM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V

5

HP

300

 

1.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

hp

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U

 

Density 0.075 lb/ft3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

M

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

hp

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250

wg

1.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S

YS

 

 

 

 

 

in.

 

 

1

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200

Pressure

0.8

 

 

 

1/2

 

 

 

hp

 

 

 

 

 

 

 

T

H

 

 

 

 

 

 

420

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

hp

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

T

 

 

 

 

 

 

 

 

 

 

150

0.6

3/4

1

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

hp

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

366

 

Static

 

hp

 

 

 

 

 

 

 

 

 

 

 

H

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

312

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/2

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

0.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

hp

 

 

 

 

E

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

258

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

 

0.2

 

 

 

S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

204

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

0.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LBP Dimensions

0

4

8

12

16

20

24

28

 

 

 

cfm X 1000

 

 

 

 

64

 

(1626)

134

58

(44)

(1473)

7612

32(1943)

(813)

4038

(1026)

58

(1473)

0

10

20

30

40

m3/hr X 1000

 

LB-48

LBP-48

Hood Thickness

0.064 (0.029)

-

Cover Thickness

-

0.064 (0.029)

Louver Thickness

-

0.081 (0.036)

Curb Cap Thickness

0.064 (0.029)

0.064 (0.029)

Damper Size Square

48 (1219)

48 (1219)

Roof Opening Square

5012 (1283)

5012 (1283)

Weight*

Galvanized,

Aluminum,

430 (195)

579 (263)

 

All dimensions are in inches (millimeters). Weight in pounds (kilograms). *Weight shown is the largest cataloged Open Drip Proof motor. See page 8 for severe duty LBP dimensions.

Model

Motor

Fan

 

 

 

 

CFM / Static Pressure in Inches wg

 

 

 

 

Number

HP

RPM

 

0

0.125

0.25

0.375

0.5

 

0.625

0.75

0.875

0.9

1

 

 

 

CFM

9666

6546

 

 

 

 

 

 

 

 

 

 

 

 

150

 

 

 

MAX. BHP AT A GIVEN RPM - (rpm/241)3

 

 

 

BHP

0.21

0.24

 

 

 

 

 

 

 

Sones

6.1

5.4

 

 

 

MAXIMUM FRPM = 420

 

 

 

 

 

 

 

 

 

 

 

 

TIP SPEED = rpm x 12.632

 

 

 

 

 

 

CFM

11277

8948

 

 

 

 

 

 

 

 

 

 

 

 

MAX. MOTOR FRAME SIZE = 213T

 

 

LB/LBP-48-5

1/2

175

BHP

0.34

0.38

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sones

6.9

5.6

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

12824

10846

7629

 

 

 

 

 

 

 

 

 

 

 

199

BHP

0.5

0.56

0.54

 

 

 

 

 

 

 

 

 

 

 

 

Sones

7.6

6.8

7.0

 

 

 

 

 

 

 

 

 

 

 

 

CFM

14563

12863

10741

 

 

 

 

 

 

 

 

 

LB/LBP-48-7

3/4

226

BHP

0.73

0.81

0.83

 

 

 

 

 

 

 

 

 

 

 

 

Sones

8.5

8.2

7.5

 

 

 

 

 

 

 

 

 

 

 

 

CFM

16046

14530

12787

10092

 

 

 

 

 

 

 

 

LB/LBP-48-10

1

249

BHP

0.98

1.07

1.1

1.08

 

 

 

 

 

 

 

 

 

 

 

Sones

9.5

9.4

9.2

8.3

 

 

 

 

 

 

 

 

 

 

 

CFM

17205

15823

14222

12151

 

 

 

 

 

 

 

 

 

 

267

BHP

1.2

1.31

1.35

1.36

 

 

 

 

 

 

 

 

LB/LBP-48-15

112

 

Sones

10.6

10.4

10.2

9.2

 

 

 

 

 

 

 

 

 

CFM

18365

17103

15612

13896

11357

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

285

BHP

1.46

1.58

1.63

1.66

1.61

 

 

 

 

 

 

 

 

 

 

Sones

12.3

11.7

11.1

10.5

9.6

 

 

 

 

 

 

 

 

 

 

CFM

20234

19141

17779

16397

14665

 

11934

 

 

 

 

 

LB/LBP-48-20

2

314

BHP

1.96

2.1

2.17

2.2

2.22

 

2.1

 

 

 

 

 

 

 

 

Sones

15.4

14.5

13.4

12.5

12.2

 

11.5

 

 

 

 

 

 

 

 

CFM

23134

22214

21041

19878

18650

 

17134

15069

11596

 

 

 

LB/LBP-48-30

3

359

BHP

2.93

3.1

3.21

3.25

3.29

 

3.31

3.25

2.84

 

 

 

 

 

 

Sones

18.4

17.8

17.2

16.5

15.9

 

15.5

14.8

13.4

 

 

 

 

 

 

CFM

24552

23685

22620

21512

20378

 

19104

17564

15491

15076

 

 

 

 

381

BHP

3.5

3.68

3.81

3.87

3.92

 

3.95

3.95

3.86

3.85

 

 

LB/LBP-48-50

5

 

Sones

20

19.6

19.1

18.6

17.9

 

17.4

17.1

16.2

16.0

 

 

 

CFM

27065

26278

25383

24354

23363

 

22317

21159

19839

19534

18029

 

 

 

 

 

 

420

BHP

4.69

4.89

5.05

5.15

5.21

 

5.25

5.29

5.31

5.3

5.23

 

 

 

Sones

23

23

23

23

22

 

22

21

21

21

20

Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation type A: Free inlet hemispherical sones.

21

Image 21
Contents Centrifugal Roof Exhaust Fans Centrifugal Roof Exhaust Fans Series LFabra Hood Style Unique Construction FeaturesLB/LD Fabra Hood Style LBP/LDP Louvered Penthouse Style Standard Installation Options and Accessories Severe Duty Option Severe Duty InstallationSevere Duty Dimensions LB 30 Model Number CodeConcrete SteelLDP Dimensions LD DimensionsLD/LDP LD 60 thru LD LDP 60 thru LDPLD 80 thru LD LDP 80 thru LDP LD 100 thru LD LDP 100 thru LDP LB Dimensions LBP DimensionsLB-10 LBP-10 LB-14 LBP-14 LB-18 LBP-18 LB-21 LBP-21 LB-24 LBP-24 LB-30 LBP-30 LB-36 LBP-36 LB-42 LBP-42 LB-48 LBP-48 LB-54 LBP-54 Direct Drive Specifications SpecificationsQuiet dependable operation Other Exhaust Fans

Series L specifications

Greenheck Fan Series L represents a significant advancement in the world of ventilation and air movement solutions. Known for its exceptional performance and energy efficiency, this series is designed to accommodate various applications, making it a versatile choice for engineers and facility managers alike.

One of the standout features of the Greenheck Fan Series L is its fan design, which has been optimized to deliver maximum airflow with minimal energy consumption. The series utilizes a direct drive motor, which reduces mechanical losses and enhances reliability. This design not only provides significant savings on operating costs but also minimizes maintenance requirements, allowing for longer periods of uninterrupted service.

Additionally, the Series L incorporates advanced aerodynamic technology, ensuring that the fans can operate efficiently even in challenging conditions. The carefully engineered blades and housing contribute to reduced noise levels, making them ideal for environments that prioritize acoustical comfort, such as schools, hospitals, and office buildings.

The Greenheck Fan Series L also offers a range of motor options to suit various operational needs. Customers can choose from premium efficiency motors that meet or exceed energy efficiency standards, further enhancing the sustainability of their ventilation solutions. Voltage and phase options are available to accommodate standard power systems in commercial and industrial settings.

In terms of customization, the Series L boasts multiple configurations, including different sizes and airflow capacities, enabling it to meet the specific requirements of diverse applications. Whether it's for light-duty or heavy-duty use, the series can be tailored to provide the right amount of airflow, ensuring optimal indoor air quality and comfort.

Furthermore, the integration of intelligent controls in the Series L allows for seamless connectivity and monitoring, enabling facility managers to optimize performance and adjust settings remotely. This feature is particularly beneficial in modern smart building applications, where energy efficiency and real-time data management are paramount.

In summary, the Greenheck Fan Series L combines innovative design, robust performance, and advanced technologies to offer an unmatched solution for effective air movement. With its emphasis on energy efficiency, customization, and smart controls, this series stands as a testament to Greenheck's commitment to providing high-quality ventilation solutions that meet the evolving needs of its clients across various industries.