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PERFORMANCE SELECTION DATA | Hot Water Heating …
Non Fan Powered UnitsPERFORMANCE SELECTION data | Hot Water Heating AVW andABWS elect a one or two row coil for the desired GPM andMBH requirements from the graphs for the unit sizeand the CFM data is based on 125 (51 C) temperature dif-ference between entering air and entering represents the typical input conditions of 55 (13 C) entering air (EAT) and 180 (82 C) enteringwater (EWT).Below are listed temperature difference factors for installations that have a different entering air temperature (EAT) and/or different entering watertemperature (EWT) from the cataloged the MBH obtained from the tables on the following pages by the temperature difference factorto obtain the MBH for actual formula for the temperature difference factor is:Temperature DifferenceEWT - EATF actor (TDF)=125 The formula to calculate actual MBH from tables actual= TDF x MBHfrom tablesTemperature(TDF)Temperature(TDF)Di fferenceFactorDifferenceFactor80 F (27 C) F (54 C) F (32 C) F (60 C) F (38 C) F (66 C) F (43 C) F (71 C) F (49 C) F (77 C) the following formulas to convert temperature rise to MBH or vise verse:MBH x 1,000 Air Temperature Rise =CFM x MBH Water Temperature Drop =.
PERFORMANCE SELECTION DATA | Hot Water Heating Coils Non Fan Powered Units B-76 www.carnes.com COIL DATA - AVW 05— 8 x 12 Coil COIL DATA - AVW 06— 8 x 12 Coil
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