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V�• I U� DIMENSIONS <br /> CERTIFIED TEST DATA ';""'- '-"`-°� ` <br /> HVI-2100 CERTIFIED RATINGS comply with new <br /> testing technologies and procedures prescribed by tne <br /> Home Ventilating Institute,for oH-Ihe-shelf products, as ��� <br /> they are available to consumers. Product performance is � . �y,^ <br /> rated at 0.1 in. static pressure, based on tests conducted in � <br /> AMCA's state-o}-the•art test laboretory. Sones are a �,. � ., .� <br /> rr�easurc of humanlyperceived loudness, based on <br /> laboratory measuremenis.This NuTone model is listed by A� � ,o <br /> Undenvrifers' Laboratories Inc. <br /> 3s��� �. <br /> The air dellvery of a ventilating system may be jr,: \� <br /> determinad by: ' � /�� <br /> 1. Determine the equivalent duct length for each 90 degree I �„ <br /> elbow by adding one foot of duct lenyth for each inch of � / �h <br /> duct diameter,i.e.,a 4 inch diameter duct elbow equals � <br /> 4 feet equivalent duct length and an 8 inch diameter j� <br /> duct elbow equals 8 feet equivalent duct length. / � <br /> 2. Add the total straight length of duct and the equivalent � <br /> length for each elbov,�to obtain the total equivalont duct ,/ <br /> length. \ <br /> 3. Locate the intersection o(the fan pertormance curve and \�_ • ' ' / <br /> the total equivalent duct length curves and draw a � � <br /> vertical line down to the CFM scale and read the system �� '� <br /> air pertormance. <br /> (NOTE: 3%."x 10"duct equals 6 inch diameter duct.) <br /> AIR PERFOFiMANCE CURVE r� <br /> (3In.Duot to 10 Foot Lenglhc) gu���� i� % 'i� � � <br /> , � 50 Feet 40 Feel 30 Feel 2J Fe=' � .. �� . <br /> � -{-�.. r-- � � c� <br /> }..i�J»� � i� � 1i 'I �� I �," � �/ <br /> I �� / <br /> 'fj 4 I {� ' '�� � � , :. F i;l I . �;: �` / �%�' �-y�� <br /> w I��i��+ �l� �3 ' �I ,��,� jli:l:.':.: lOFeet ��� � "�� /. 'i <br /> �Q40 �i_ ' '_ _ �' �/ � /- � <br /> 3 -- �r <br /> a � .� •_ 9�y . <br /> O � , � . . .��� <br /> W�� - i r <br /> Z �; ` � ;1;;_ ' �I��� ii <br /> , �; ' ,f, �� ��,E� , ,� <br /> W ., . ,. <br /> Q Y . _ <br /> yap � • <br /> N — .�.-: �....f.�. <br /> W +'-_'1 <br /> a ''- <br /> o � �_ � , � � ,: 1i, - t: <br /> -.. <br /> aQ10 � y. � . i � <br /> � �.. �I : . �� . I ���:.�1�,. .�:: <br /> �_� ,r_ <br /> I Q� ' ' ' , <br /> D 25 $0 75 i00 `. y�3 <br /> CFM CUBIC FEET PER MINUTE <br /> STATIC PRESSURE � <br /> INCHES OF WATER 0.05 0,1 0.75 0.2 0.25 0.3 0.35I <br /> CRd 55 52 J9 47 43 39 30 <br /> PmdaU SpecL�.:ai.ons su�jec;to c�ange w�tnout r.oGce. <br /> NUTone,Inc.,4820 Retl Bank Roatl,Cincinnali,On�o 45227 <br /> PnnteO m U.S.A. � <br /> ��-�� <br />