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� , 1 1322.1 104 Minnesota Rule --� ;��:•'�'1 fi->�.t:a.� ;-t C , �i.-�-_: "'; , ,, PaQe 2 of 9 r" ,� � �,�1 C 1�)l < . . N1104.2.L1 Ventilation rate. The continuous ventilation system shall be balanced in accordance with Section N1104.4.2. �xception: If the local ventilation requirements according to IRC Section R303.3 are being met by the continuous ventilation system, it shall be capable of operatin� at a rate not more than 100 percent greater than reqtiired by Section N1104.2,1. I�`1104.2.2 Intermittent �entilation. The difference bettveen the total ventilation rate and the continuous ventilation rate shall be based on flo�v rates as designed or as installed. Table N 1104.2 , Tota( and Continuous Ventilation Rates (in cfm) Number of Bedrooms 1 2 3 4 5 6z Conditioned I'otal/ I,otal/ otal/ otal/ otal/ otal/ space' (in ontinttous ontinuotis Contint�ous Continuous Continuous Contintious sq. ft.) _ _ 1000-1500 0/40 �/40 90/45 105/53 120/60 135/68 1501-2000 70/40 SS/43 100I50 115/58 130/65 145/73 �001-2500 80%40 5/4$ 110/55 125/b3 140/70 155/78 �501-3000 0/45 105/�3 120/60 135/68 150/75 165/83 3001-3500 100/50 11 S/58 130/65 145173 160/SO 175/88 3�01-4000 110/55 125/63 140/70 lSS/78 170/85 185/93 001-4500 120/60 135/68 150/75 165/83 180/90 195/98 501-5000 130/65 14�/73 160/80 175/88 190/95 05/103 �001-5500 140/70 155/78 170185 185/93 00/100 15/108 �501-6000� 150/75 16S/83 180/90 195/98 10/105 25/113 i Conditioned space includes the basement. 2 If conditioned space exceeds 6000 sq. ft. or there are more than 6 bedrooms, use Equation 11-1 from Section Nl 10�.2 to calculate total ventilation rate. 1�1104.3 Ventilation system requirements. The mechanical ventilation system shall be one of three types: exhaust according to Section Nl 104.3.1; balanced, and HRViERV accordin� to Section Nl 104.3.2; or other method accordina to Section N1104.3.3. N1104.3.1_ Exhaust systems. F�aiis Lised to comply �vith the continuous ventilation part of the mechanic�l ventilation system shall: � 1. meet the minimum continuous ventilation rate in Section Nl 104.2.1 at the point of discharge;