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TAG: Page 4 of 7 <br /> Type CRBA <br /> • Non-overloading aluminum wheel <br /> Belt Drive Centrifugal computer balanced <br /> Power Roof Ventilator • Force ventilated motor <br /> B DIA compartment isolated from <br /> airstream <br /> lit , • Variableibtioo motor ivy <br /> if � • Vibration isolators on drive frame <br /> • Weatherproof spun aluminum <br /> INDUSTRIES / housing <br /> • <br /> AMERICAN COOLAIR CORPORATION / <br /> motorsNEMA Standard open drip-proof <br /> Accessories • Overlapping wheel/inlet venturi <br /> • Heavy duty self-aligning pillow- <br /> FL <br /> AID 16"Roof Curb 28.5"X block bearings with cast iron <br /> 28.5"O.D. _ ._— housing <br /> lvanized mesh birdscreen <br /> BDD Gravity Damper • UL Li• sted for Standard 705(most <br /> models) <br /> 1 <br /> L A SQ.I.D. <br /> 2" <br /> Dimensions in inches <br /> A B C unless otherwise noted <br /> [ 30 I 351/2 124 5/8 l <br /> Weight: 201 lbs. Tip Speed: 4,653 ft/min Outlet Velocity: 720 ft/min <br /> Fan Data Motor Data Accessories <br /> Qty 9 <br /> Model No. CFM inWgRPM BHP MHP RPM Volta e/Ph Hz Encl.' BDD A/D <br /> 1 CRBA18KD1231 3,400 0.125 929 0.470 3/4 1,750 115V/230V 1PH 60 OPEN <br /> Sones ' LwA dBA dBA dBA Octave Band Sound Power(Lw) <br /> @ 5' @ 10' @ 20' 63 Hz 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz <br /> 13.0 76 j 64 58 j 52 73 79 80 70 67 69 j 63 50 <br />' Air Density:0.075 Ibs/ft^3 AMCA Licensed for Sound and <br /> 1 25- -13: Air Performance <br /> Power rating(BHP)does not <br /> include transmission losses. <br /> Bearing losses are included. <br /> ,pplir <br /> Nn0 1 00 • -i tlil Performance ratings do not <br /> AIR include the effects of <br /> •rronwai appurtenances(accessories). <br /> Performance shown is for <br /> WI <br /> Installation Type'A':Free inlet <br /> r 0087.141+ fi _:, ,.•: o Free outlet <br /> emieeirewo lee.• c * The sound ratings shown are <br /> m loudness values in <br /> hemispherical sones at 1.5 m(5 <br /> u -:r:;il y W ft)in a hemispherical <br /> or a tree field <br /> ';n - calculated perAMCA Standard <br /> G 301. <br /> American Coolair Corporation certifies that IL- Values shown are for <br /> the Type CRBA units shown herein are Installation Type'A':Free inlet <br /> licensed to bear the AMCA seal,The hemispherical sone levels <br /> ratings shown are based on tests and 3''` - -:r l' Sound ratings apply to sones <br /> procedures performed in accordance with only. <br /> AMCA Publication 211 and AMCA -- <br /> Publication 311 and comply with the -- — <br /> --- <br /> requirementsoftheAMCAcertifiedRatings 0 is __T� ----- 3 iy, <br /> Program. 0 530 1.000_ 1.500 2.000 2 500 3 033 3 530 4 <br /> Volume Flow Rate(CFM) <br /> Notes: <br /> Project: Soundview Engineer: <br /> Location: Contractor: <br /> Submitted By: Date: 9/15/2022 <br /> Approved By: Date: <br /> FanSelect 6-December 2020 ver.6.7.0 <br />