Greenheck Fan Series L manual LB-24 LBP-24

Page 17

LB/LBP 24

Belt Drive

LB Dimensions

1.6

4512

(1156)

134

34

(44)

(864)

2012

51

 

 

(1295)

 

 

(521)

 

 

 

 

 

 

Pa

 

 

634

2312

 

 

PressureStatic

 

 

 

(597)

 

34

(171)

 

 

(864)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

RPM

350

 

1.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/2

 

 

 

 

 

 

 

E

hp

HP

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V

 

Density 0.075 lb/ft3

 

 

 

 

 

 

 

 

 

 

 

 

hp

 

 

 

 

 

 

 

 

 

 

 

 

hp

 

C

U

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

300

 

1.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M

 

 

 

 

 

wg

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3/4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S

 

 

 

 

 

 

 

 

 

 

1/2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

910

250

in.

1.0

 

 

 

 

 

 

hp

 

 

 

 

 

 

 

 

 

 

 

S

 

 

 

 

 

 

 

 

 

hp

 

 

 

 

 

 

 

 

 

 

 

 

 

S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

T

 

 

 

 

 

 

 

 

 

 

 

 

 

799

200

0.8

 

1/3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/4

hp

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

hp

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

688

 

 

150

Static

0.6

 

 

 

 

 

 

 

 

 

 

 

T

H

E

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

0.4

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

577

 

 

 

 

 

 

 

 

 

 

E

C

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

466

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

 

0.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

355

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

0.0

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LBP Dimensions

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

 

 

 

 

cfm

 

 

 

 

40

(1016)

134

34

(44)

(864)

4912

20(1257)

(508)

2312

(597)

34

(864)

0

2

4

6

8

10

12

14

 

 

 

m3/hr X 1000

 

 

 

 

LB-24

LBP-24

Hood Thickness

22 ga

-

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

24 (610)

24 (610)

Roof Opening Square

2612 (673)

2612 (673)

Weight*

Galvanized,

Aluminum,

188 (85)

239 (108)

 

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

0.25

0.375

0.5

0.625

 

0.75

0.875

1

1.25

 

1.375

 

 

 

 

 

 

CFM

 

3419

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

355

 

 

 

 

 

MAX. BHP AT A GIVEN RPM - (rpm/710)3

 

 

 

 

 

 

BHP

0.11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAXIMUM FRPM = 910

 

 

 

 

 

 

 

 

 

 

Sones

5.8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TIP SPEED = rpm x 6.414

 

 

 

 

 

 

 

 

 

 

CFM

3938

2715

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAX. MOTOR FRAME SIZE = 145T

 

 

LB/LBP-24-4

1/4

 

 

409

BHP

0.17

0.19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sones

6.3

5.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

4449

3451

2491

 

 

 

 

 

 

 

 

 

 

 

 

 

462

BHP

0.24

0.28

0.25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sones

 

7.4

6.3

5.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

 

4892

4043

3433

 

 

 

 

 

 

 

 

 

 

LB/LBP-24-3

1/3

 

 

508

BHP

0.32

0.36

0.36

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sones

8.5

7.4

6.8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

5604

4917

4441

3899

 

 

 

 

 

 

 

 

 

LB/LBP-24-5

1/2

 

582

BHP

0.48

0.54

0.55

0.55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sones

10.7

9.4

8.9

8.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

6018

5381

4988

4497

3929

 

 

 

 

 

 

 

 

 

 

 

 

625

BHP

0.59

0.66

0.68

0.68

0.66

 

 

 

 

 

 

 

 

LB/LBP-24-7

3/4

 

 

 

 

Sones

12.4

11.0

10.3

10.0

9.5

 

 

 

 

 

 

 

 

 

 

 

 

CFM

6423

5828

5505

5062

4589

 

3984

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

667

BHP

0.72

0.8

0.82

0.83

0.83

 

0.79

 

 

 

 

 

 

 

 

 

 

 

 

Sones

14.1

12.7

12.0

11.5

11.1

 

10.9

 

 

 

 

 

 

 

 

 

 

 

 

CFM

 

7068

6531

6252

5912

5503

 

5073

4555

 

 

 

 

 

LB/LBP-24-10

1

 

734

BHP

 

0.96

1.05

1.08

1.1

1.1

 

1.1

1.07

 

 

 

 

 

 

 

 

 

 

 

Sones

 

 

17.0

15.3

14.6

13.9

13.5

 

13.2

12.9

 

 

 

 

 

 

 

 

 

 

 

CFM

 

7578

7080

6820

6560

6190

 

5799

5398

4909

 

 

 

 

LB/LBP-24-15

112

 

787

BHP

 

1.18

1.29

1.32

1.35

1.36

 

1.36

1.36

1.32

 

 

 

 

 

 

 

 

 

 

Sones

 

19.6

17.4

16.5

15.9

15.4

 

15.0

14.8

14.1

 

 

 

 

 

 

 

 

 

 

CFM

 

8358

7907

7675

7440

7192

 

6855

6505

6141

5285

 

 

 

 

 

 

868

BHP

 

1.58

1.7

1.74

1.78

1.81

 

1.82

1.83

1.82

1.76

 

 

 

LB/LBP-24-20

2

 

 

 

 

Sones

 

24

21

20

19.4

18.9

 

18.3

17.9

17.6

16.0

 

 

 

 

 

 

 

CFM

 

8763

8333

8114

7889

7664

 

7377

7056

6713

5995

 

5537

 

 

 

 

 

 

 

 

 

 

 

 

 

 

910

BHP

 

1.82

1.95

2

2.04

2.07

 

2.09

2.1

2.1

2.08

 

2.03

 

 

 

 

 

 

Sones

 

27

24

23

21

21

 

20

19.8

19.5

18.4

 

17.2

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.

17

Image 17
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-10 LBP-10 LB DimensionsLBP Dimensions 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.