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<br />Calculation Procedures A,B,C,D <br /> <br />" I <br />1 Procedure A Winter Infiltration HTM 1 <br /> <br />I~_____~___,__________________________________________--------------------------------------1 <br /> <br />1 1. Winter Infiltration CFM Envelope Evaluation #2 (Good/Average) 1 <br />1 2.2 Air Changes per hour x 3840 Cubic ft. x .0167 141.1 CFM 1 <br />1 I <br />I 2. Winter Infiltration Btuh I <br />I 1.1 x 141.1 CFM x 22 Degrees Winter TD 3414.2 BTUH 1 <br />1 I <br />I 3. winter Infiltration HTM 1 <br />1 3414.2 Btuh / 40.3 Sq.Ft of total Glass & Door areas 84.7 HTM I <br />1 I <br /> <br />I <br />1 Procedure B Summer Infiltration HTM 1 <br /> <br />1-------------------------------------------------------------------------------------------1 <br /> <br />1 1. Summer Infiltration CFM Envelope Evaluation #2 (Good/Average) I <br />I .8 Air Changes per hour x 3840 Cubic ft. x .0167 51.3 CFM I <br />I 1 <br />I 2. Summer Infiltration Btuh I <br />1 1.1 x 51.3 CFM x 14 Degrees Summer TD 790.1 BTUH I <br />1 I <br />I 3. Summer Infiltration HTM 1 <br />1 790.1 Btuh / 40.3 Sq.Ft of total Glass & Door areas 19.6 HTM 1 <br />I I <br /> <br />1 <br />I Procedure C Latent Infiltration 1 <br /> <br />1-------------------------------------------------------------------------------------------1 <br /> <br />I 0.68 x 56 grains difference @ 50 RH x 51.3 CFM 1953.6 BTUH I <br />1 I <br /> <br />1 <br />I Procedure D Equipment Sizing I <br /> <br />1-------------------------------------------------------------------------------------------1 <br /> <br />I 1. Sensible Sizing Load <br />I <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 2. Latent Sizing Load <br />I <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br /> <br />Sensible Ventilation Load <br />1.1 x 50 VENT CFM x 14 Degrees Summer TD <br />Sensible Load for Structure <br />Sum of Ventilation & Structure Loads <br />Rating & Temperature Swing Multiplier (3.00@ 950) <br />Equipment Sizing Load - Sensible <br /> <br />+ <br /> <br />770.0 BTUH <br />5914.8 BTUH <br />6684.8 BTUH <br />1. 0 RSM <br />6684.8 BTUH <br /> <br />x <br /> <br />Latent Ventilation Load <br />0.68 x 50 VENT CFM x 56 differance <br />Internal Loads = 230 Btuh x 0 people <br />Infiltration Load from Procedure C <br />Equipment Sizing Load - Latent <br /> <br />+ <br />+ <br /> <br />1904.0 BTUH <br />o BTUH <br />1953.5 BTUH <br />3857.6 BTUH <br />