Greenheck 129 - Manuals

Greenheck 129 – Manual in PDF format online.

Manuals:

Manual Greenheck 129

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Summary

Page 2 - BELT DRIVE; Opening the pulley decreases fan rpm.; APPLICATIONS; UnDESIRED AIR OUT, FRESH AIR In; Fan Model; MOTOR HORSEPOWER; This means that if the static pressure is less than; The information that follows will help walk you; FAN MODEL; Introduction to FAN SELECTION

F A N F U N D A M E N T A l S 130 BELT DRIVE One advantage of choosing a belt drive over a direct drive is that it is capable of adjusting the fan rpm, which enables the fan to move more air if necessary. Motor pulleys are adjusted by loosening the set screw and turning the top half of the pulley (s...

Page 3 - DETERMINING CFM; SUGGESTED AIR CHANGES FOR PROPER VENTILATION; Area

F A N F U N D A M E N T A l S 131 Exhaust fan to be sized 8 ft. 40 ft. 30 ft. Louvers to supplyMakeup air DETERMINING CFM After the model is known, the cfm must be determined. Consult local code requirements or the table below for suggested air changes for proper ventilation. The ranges specified wi...

Page 4 - STATIC PRESSURE GUIDELINES; Nonducted; Ductwork; IMPOR

F A N F U N D A M E N T A l S 132 STATIC PRESSURE GUIDELINES STATIC PRESSURE GUIDELINES Nonducted 0.05 in. to 0.20 in. Ducted 0.2 in. to 0.40 in. per 100 feet of duct (assuming duct air velocity falls within 1000-1800 feet per minute) Fittings 0.08 in. per fitting (elbow, register, grill, damper, et...

Greenheck Manuals