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Manual de usuario Greenheck Fan, modelo Centrifugal Roof Exhaust Fans NYB

Fabricar: Greenheck Fan
Tamaño del archivo: 993.52 kb
Nombre del archivo: 883a3eb8-041f-43b8-941b-6374af280e10.pdf
Idioma del manual:en
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Resumen del manual


• Performance as cataloged is assured. All fan sizes are tested in our AMCA Accredited Laboratory and all models are licensed to bear the AMCA Air Performance seal. • Greenheck subjects these products to extensive life testing assuring you the fans will provide years of reliable performance. 1 1 2 3 4 5 6 7 GreenheckFanCorporationcertifiesthattheNYBand NYD models shown herein are licensed to bear theAMCASeal.Theratingsshownarebasedontests and procedures performed in accordance withAMCAPublication211andcomplywiththerequirementsoftheAMCACertifiedRatingsProgram. TheAMCACertifiedRatingsSealappliestoairperformance ratings only. Standard Construction Features 1 2 3 5 6 7 4 Housing is constructed entirely of heavy-gauge galvanized steel and includes louvered vents for positive motor cooling. Hood is hinged to swing fully open for complete access to all internal components. Open hood is safely supported and will not drop closed. Hinge is steel with protective coating. Internal structural supports are heavy-gauge galvanized steel angles. Drive frames and motor supports are heavy-gauge galvanized steel and are mounted on resilient isolators. Backward-inclined, non-overloading wheel is constructed of aluminum. Heavy-duty ball bearing motor. Single and three phase fans include a NEMA-1 switch. Birdscreen constructed of wire mesh is attached to the structural supports. (Removed from drawing for easy viewing internally) 2 Model NYD & NYB Options and Accessories Model NYD & NYB Options and Accessories Dampers - Gravity and motorized dampers are designed to prevent outside air from entering back into the building when the fan is off. Damper sizes are shown on the performance pages. Disconnect Switches -A wide selection of NEMA rated switches are available for positive electrical shutoff and safety, including dust-tight, rainproof and corrosion-resistant. Switches may be internally or externally mounted. Curb Extension - Extensions raise the fan discharge above the roofline and provide an accessible mounting location for dampers. Insect screen bases constructed with a removable fine mesh are recommended for applications where insect entry must be prevented. Roof Curbs - Prefabricated roof curbs reduce installation time and costs by ensuring compatibility between the fan, curb and roof opening. All curbs are insulated with fiberglass. A wide variety of roof curbs are available including: flanged, pitched and sound-absorbing. Curb Seal - Rubber seal between fan and curb to assure proper sealing when attached to a curb. Coatings -Wide variety of coatings and colors are available for decorative to corrosive applications. Permatector™ is our standard coating. Typically used for applications that require corrosion resistance in indoor and outdoor environments. Hi-Pro Polyester is resistant to salt water, chemical fumes and moisture in more corrosive atmospheres. Typically used for applications that require superior chemical resistance, excellent abrasion and outdoor UV protection. This coating exceeds protective qualities of Air Dry Heresite and Heresite Baked Phenolic. Baked Enamel Decorative Coatings are heat cured enamels applied either as wet paints or electrostatic powders. Customers can choose from 16 standard decorative colors or color match any color. All coatings with relative resistance charts can be found in Greenheck’s Product Application Guide, Performance Coatings for Ventilation Products. 3 Dimensional Data & Model Number Code 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) 303.4 (781) 201.2 (521) 10 (254) NYD-90 19 (483) 303.4 (781) 201.2 (521) 10 (254) NYD/NYB-100 22 (559) 351.2 (902) 25 (635) 12 (305) NYD-120 24 (610) 37 (940) 231.8 (587) 14 (356) NYD-130 24 (610) 37 (940) 231.8 (587) 14 (356) NYD/NYB-140 26 (660) 411.2 (1054) 267.8 (683) 16 (406) NYB-180 30 (762) 45 (1143) 325.8 (829) 18 (457) NYB-240 34 (864) 521.2 (1334) 385.8 (981) 24 (610) All dimensions in inches (millimeters). 4Model Number Code Themodelnumbercodeisdesignedtocompletelyidentifythefan.Thecorrectcodelettersmustbespecifiedtodesignatethecorrectconstruction.Theremainderofthemodelnumberisdeterminedbythesizeandperformance. NYD -120 -A Motor HP for Belt Drive 4 = 1/4 7 = 3/4 3 = 1/3 10= 1 5 = 1/2 15= 11/2 Model NYD -Direct Drive NYB -Belt Drive Fan Size 75 through 2404 Motor RPM for Direct Drive A= 1725 B = 1140 Performance Data NYD - Direct Drive Models Performance Data NYD - Direct Drive Models 1.8 1.8 NYD-100-A NYD-90-A NYD-100-B NYD-90-B NYD-75-A RPM Density 0.075 lb/ft. 0 300 600 900 1200 1500 1800 2100 RPM Density 0.075 lb/ft. NYD-120-A NYD-140-B NYD-130-BNYD-120-B 400 1.6 400 1.6 350 350 1.4 1.4 300 250 200 150 Static Pressure in. wg 1.2 1.0 0.8 0.6 Static Pressure Pa 300 250 200 150 Static Pressure in. wg 1.2 1.0 0.8 0.6 Static Pressure Pa 100 0.4 100 0.4 50 0.2 50 0.2 0 0.0 0 0.0 0 400 800 1200 1600 2000 2400 2800 cfm cfm 0 500 1000 1500 2000 2500 3000 3500 0 500 1000...

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Los aficionados - Centrifugal Roof Exhaust Fans NYD (993.52 kb)

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