Floaire NSA Manual do Utilizador Página 1

A0011038 November 2012 Rev. 12 Standard and Modular Centrifugal Untempered Supply Fans Installation, Operation, and Maintenance Manual Standard Unt

10Maximum RPM and HP Chart Blower Size Maximum RPM Maximum HP 10” 1800 2 12” 1500 3 15” 1400 5 18” 1200 5 20” 1000 10 25” 900 20 Pulley

11Pulley Setscrew Torque Thread Size Torque (IN/Lb) No. 10 (bushing) 32 1/4” (bushing) 72 5/16” 130 Pulley Adjustment The adjustable motor pull

12Pulley Combination Chart Motor RPM 17251/3 to 1-1/2 HP MOTOR PULLEY Dd1 Dd2 Pd1 Pd2AX BELTS 1VL34 1.9 2.9 2 3Open ClosedBLOWER PULLEY DATUM DIAMETE

13Re-Circulating Control Options Manual Positioning Control (Potentiometer) The dampers can be controlled at a remote location by a manual potentio

14 Using the supplied rubber tubing the high side of the static pressure controller should be plumbed to the inside of the building. The low

15Troubleshooting The following table lists causes and corrective actions for possible problems with the fan units. Review this list prior to consul

16MAINTENANCE To guarantee trouble free operation of this fan, the manufacturer suggests following these guidelines. Most problems asso

17Filter Quantity Chart Intake 16” x 20” 20” x 25” Size 1 Standard Sloped 2 Size 2 Standard Sloped 2 Size 1 Modular Sloped 3 Size 2 Modul

18Start-Up and Maintenance Documentation START-UP AND MEASUREMENTS SHOULD BE PERFORMED AFTER THE SYSTEM HAS BEEN AIR BALANCED (Warranty will be void

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2TABLE OF CONTENTS WARRANTY ...

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3WARRANTY This equipment is warranted to be free from defects in materials and workmanship, under normal use and service, for a period of 12 months f

4Recommended Supply Ductwork Sizes Blower Size Duct Size Straight Duct Length 10 14 x 14 48 in. 12 16 x 16 54 in. 15 20 x 20 72 in. 18 24 x

5Follow SMACNA guides and recommendations for the remaining duct run. Fans designed for rooftop installation should be installed o

6Indoor (Inline) Installation Installation with Exhaust Fan

7Copper Wire Ampacity Wire Size AWG Maximum Amps 14 15 12 20 10 30 8 50 6 65 4 85 Electrical Before connecting power to the fan, read and unde

8PSC (Permanent Split Capacitor) Motor Speed Control Some single phase direct drive fans contain speed controls that regulate the amount

9Fan to Building Wiring Connection