Greenheck Fan Complete Guide to Greenheck Exhaust Fan Model Numbers and Roof Curb Installation Instructions

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Severe Duty Curb Installation Options

1.75 INCH (44 MM)

Concrete

CURB HEIGHT

12, 18, OR 24 INCHES (305, 457, or 610 MM)

MINIMUM CONCRETE

STRENGTH OF 3000 PSI

4 INCH (102 MM)

MOUNTING FLANGE

TYPICAL

OUTSIDE CURB DIMENSION

 

THROAT DIMENSION

1.75 INCH (44 MM)

(ROOF OPENING)

 

1 INCH (25 MM) INSULATION

HILTI KB11, 3/8-16 X 3 ON

12 INCH (305 MM) MAXIMUM CENTERS. MINIMUM TWO PER SIDE.

ROOF OPENING

 

 

2.5 INCH (57 MM)

 

 

EMBEDMENT

 

 

 

1.75 INCH (44 MM)

2.25 INCH (57 MM) TYPICAL

 

4 INCH (102 MM) TYPICAL

OUTSIDE FLANGE DIMENSION

THROAT DIMENSION AND ROOF OPENING EQUAL OUTSIDE CURB DIMENSION MINUS 3.5 INCHES (89 MM)

Steel

 

OUTSIDE CURB DIMENSION

1.75 INCH (44 MM)

THROAT DIMENSION

(ROOF OPENING)

 

CURB HEIGHT

 

12, 18, OR 24 INCHES

1 INCH (25 MM) INSULATION

(305, 457, 610 MM)

 

4 INCH (102 MM)

MOUNTING FLANGE

TYPICAL

ROOF OPENING

6 X 3 INCH (152 x 76 mm)

STEEL MOUNTING ANGLE (12 GAUGE MINIMUM)

1.75 INCH (44 MM)

CORNER TOP VIEW

HILTI KWIK-FLEX 12-14 SCREW, NO. 3 POINT.

THREE (3) FASTENERS EACH CORNER AND

MAXIMUM OF 4.5 INCHES (114 mm) SPACING;

ADD ADDITIONAL FASTENERS TO SATISFY.

CORRUGATED

ROOF DECK

ROOF TRUSS

 

1.75 INCH (44 MM)

2.25 INCH (57 MM) TYPICAL

 

4 INCH (102 MM) TYPICAL

OUTSIDE FLANGE DIMENSION

 

THROAT DIMENSION AND ROOF OPENING EQUAL OUTSIDE CURB DIMENSION MINUS 3.5 INCHES (89 MM)

Model Number Code

The Model number system is designed to completely identify the fan. The correct code letters must be specified to designate belt or direct drive. The remainder of the model number is determined by the size and performance selected from the following pages.

LB - 30 - 7

Model

LD - Fabra Hood Direct Drive

LB - Fabra Hood Belt Drive

LDP - Louvered Penthouse Direct Drive

LBP - Louvered Penthouse Belt Drive

Fan Size

LD/LDP 60 thru 120

LB/LBP 10 thru 54

Motor hp (Belt Drive only)

 

6 = 1/6

10

= 1

50

= 5

4 = 1/4

15

= 112

75

= 712

3 = 1/3

20

= 2

100 = 10

5 = 1/2

30

= 3

150 = 15

7 = 3/4

 

 

 

 

Motor RPM (Direct Drive only)

A = 1725

B = 1140

C = 860

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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.