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33 RESIDENTIAL EN�RGY CODE 1322��1Q4 <br /> � �� � 1� <br /> f� <br /> �-� � � � �! 1 �",���-�'° <br /> ��u�t�on �a-�: �,�-�� ���f��-,,�� -�- <br /> Totel ventilation rate(cfm} _ (t?.02 x square feet of <br /> conditaaned space)+ <br /> (l 5 x(number of bcdrooms+ �)] . <br /> Nl 104.2.� Cantinoous venlilation. A rninirnum of SO percent of;he#ota'�venli}ation ra:e,�ut <br /> not less than q0 cfm, shall be�rovided, on a ccantinuous rate avera�,e for each c�rae-haur peric�d <br /> accor�ing to 7ab)c N}l�4.2�r Equatian 13-2. The portion of the mechanical ventiJation syst-m <br /> thai is ir,ier.ded to be cantinue��g rnay have autcam atic cyc3ang cuntrols prov�ding the auerage F�ur <br /> ra�e for each hour meeting t3�e re�t�irements of Section Nl 1G4.2.1. <br /> � �L �,����� ��'�� � � � <br /> Equa�ti�n ll-2: ,}— �� �!._— : �' <br /> Continuous ventilation(cfrn) = total venfilation ratet2 <br /> 1V3I04.2.y.t Venti�ation rqte. ThG CU11�t7�UQliS ventitation s��siem shall be balanced in <br /> accordance µ=ith Sackic�n N l)04.4.2. <br /> Excepfion: lf the)ecal ventilat9on requiremenis according to tRC Section R303.3 are being met by <br /> the cootinuous��enti�ation systern, it shall be capable of operating ai a rate not more than I DO percent <br /> greater than required by Stciion NI lOd.2.l. <br /> N1104.2.?lntermi4tent��entilation. Thc difference befween thc iotat vcntila?ian rate and the <br /> continuous ventilation rate shall be ba,sed on f�ow�ralcs as designed or as in�lalled. <br /> Tahle Nt 2 p�.2 <br /> Total and C�ntinunus V�ntSlation Rates (in cfm} <br /> Nu�'nber of$edrODms � <br /> l � � ,� � �� <br /> Conditioned ` <br /> sFace' (in sq. TotaU Tota},' Tatal� Tatall Total/ 7'otaU <br /> ft.1 Continuo�s Gor,cinucaus Continuous Continuous Continuous Continuous <br /> J000-I500 b0;C0 75/40 9Q145 7QSJ53 12{lffrf} 735J68 <br /> ISD1-2000 7�'4U 65143 100/5{} I15158 �3GI65 145173 <br /> 20C]-2500 50140 95148 i 1C►/55 125I63 140r7D 155178 <br /> 250]-3000 90145 �b5/S3 120160 135.�68 JSptJS 165t$3 <br /> 3U0]-3500 l40lSQ Il5/SS 130/65 l4Sl73 Ib0i50 17516g <br /> 3501-4000 !7 0lSS S<SJ63 l A{�I70 155178 17p!85 7 8SJ93 <br /> Copyi;ght 532�(t�b}�thc kevisvr otStetutcs, 5tate otMinn�sole, q)!Rights Resrr.rved. <br />