Page 2 - Series L; Centrifugal Roof Exhaust Fans; World Class Manufacturing
2 Series L Centrifugal Roof Exhaust Fans Greenheck’s Series L, low silhouette, models LD, LB, LDP, and LBP centrifugal roof exhaust fans provide the industry’s best performance and durability for general clean air applications. • Broadest performance in the industry, up to 1.25 in. wg (311 Pa) and 3...
Page 3 - Unique Construction Features; Louvered Penthouse Style; Fabra Hood Style
3 Unique Construction Features Louvered Penthouse Style • Hinged Cover - All sizes feature an aluminum cover which may be hinged toprovide quick access to the motor and drive assembly. Covers are fastened down with a quick release hood latch. • Large Interior Dimensions - All sizes allow complete ac...
Page 5 - STANDARD INSTALLATION
5 Unique Construction Features STANDARD INSTALLATION Models LB, LD, LBP, and LDP exhaust fans are designed to meet the needs of general clean air applications. Tests have been conducted to ensure safe and reliable fans capable of withstanding normal exhaust conditions. When roofing materials extend ...
Page 6 - Options and Accessories
6 Options and Accessories BIRDSCREEN - Galvanized mesh is standard. Optional aluminum or stainless steel rigid wire are also available. HOOD INSULATION - Hood insulation is dual- density to minimize condensation, reduce thermal transfer, and enhance sound absorption at high and low frequencies. LIFT...
Page 7 - Severe Duty Installation; Severe Duty Option
7 Severe Duty Installation Models LDP and LBP severe duty exhaust fans are designed to meet the needs of general clean air applications. Tests have been conducted to ensure safe, rugged and reliable fans capable of withstanding severe exhaust conditions. The severe duty roof curb model SD is supplie...
Page 8 - Severe Duty Dimensions; LDP - SEVERE DUTY DIMENSIONS
8 Severe Duty Dimensions LDP - SEVERE DUTY DIMENSIONS LBP - SEVERE DUTY DIMENSIONS A A D C B E A A D C B E Model Number A B C D E Damper Size (square) Roof Opening (square) Weight* Cover Thickness Louver Thickness Curb Cap Thickness LDP 60 17 (432) 34 7 ⁄ 8 (886) 34 7 ⁄ 8 (886) 17 5 ⁄ 8 (448) 1 3 ⁄ ...
Page 9 - Model Number Code; Concrete
9 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 Motor hp (B...
Page 10 - Direct Drive
10 LD Dimensions LDP Dimensions 1 3 ⁄ 4 (44) 1 3 ⁄ 4 (44) 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...
Page 13 - Belt Drive
13 LB Dimensions LBP Dimensions 1 3 ⁄ 4 (44) 1 3 ⁄ 4 (44) 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...
Page 23 - Specifications
23 Direct Drive Specifications The LD and LDP exhaust fans shall be direct drive type. The fan wheel shall be centrifugal backward inclined, constructed of aluminum and shall include a wheel cone carefully matched to the fan’s venturi for precise running tolerances. Wheels shall be statically and dy...
Page 24 - Other Exhaust Fans
Greenheck warrants this equipment to be free from defects in material and workmanship for a period of one year from the purchase date. Any units or parts which prove defective during the warranty period will be replaced at our option when returned to our factory, transportation prepaid. Motors are w...