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Page 2 r <br />Using -180 below 00 as the lowest temperature the 12 <br />zones would require 50 gal. per minute on an average. The <br />average run time per unit would be 41.minutes. Again, <br />remember this will be staggered run time so units will be <br />cycling. <br />The average daily discharge at -180 would be 2,106 gal. <br />?er hr., or 35 gal. per minute. Based on information from <br />she U.S. Weather Informational office we spend only 50 hrs. <br />in this design condition. <br />Assuming an incoming water temperature of 500. The <br />discharge water temperature in the heating season will <br />be 39 to 400. <br />Assuming an incoming water temperature of 500. The <br />discharge water temperature in the cooling season will <br />be 57 to 600. <br />Dean Buendorf <br />Vice Pres. of Mkt. <br />TERRA -THERM Inc. <br />