HEATING VENTILATING AIR CONDITIONING CUIDE 1941 Substituting in Equation 4: Ht = 24,000 + 0.24 X 0.075 X 60 X 1000 (70 -0) = 99,600 Btu per hour f _ _________ ^'000i 70 -- 92 2 F y 0.24 X 0.075 X 60 X 1000 ^ ' When part of the air handled by the unit is taken from the room and the remainder from the outside.
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HEATING VENTILATING AIR CONDITIONING CUIDE 1941 Table 1.
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HEATINC VENTILATING AIR CONDITIONING GUIDE 1941 times, also, brine from an industrial system already installed is the only convenient source of refrigeration.
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HEATING VENTILATING AIR CONDITIONING GUIDE 1941 fin and so compress them upon the tube.
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HEATING VENTILATING AIR CONDITIONING GUIDE 1941 In cases'where the fan or factory assembled air conditioning unit has a limited external resistance, it is necessary to divide the available resistance by the total equivalent length of the longest-or most complicated run of duct to determine the resistance per 100 ft and then to size all ducts at this resistance value, which will automatically determine the duct veloci ties and give the desired total duct resistance.
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HEAT1NC VENTILATING AIR CONDITIONING GUIDE 1941 Example 2.
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HEATING VENTILATING AIR CONDITIONING GUIDE 1941 breathing zones.
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HEATING VENTILATING AIR CONDITIONING GUIDE 1942 Table 3.
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HEATINC VENTILATING AIR CONDITIONING CUIDE 1942 Fig. 7.
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Mr.
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Controls and Instruments The Powers Regulator Co. 51 Years of Specialization in Temperature and Humidity Control Offices in 47 Cities -- See your phone directory.
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Insulation New York The Ruberoid Co.
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HEATINC VENTILATING AIR CONDITIONING GUIDE 1943 V Vacuum , cooling unit* 484 heating pumps, 282 control. 283 piston displacement, 284 heating systems, 276, 849 down-feed, 278 " unit heater connection, 433 Vacuum dryer, 746 Valve, valves. 365 angle. 366 automatic, 365 check, 365 control, 304 expansion, 488 flow. 289 gate. 365 globe, 365 reducing pressure. 301, 365 Vane, vanes, 593 Vaned outlets, 596 Vapor, vapors . heating system, 850 unit heater connection, 433 pressure, 850 ' Vaporizing oil burner, 216 Velocity, 850 exhaust grilles, 600 method duct design. 616 pressure, 850 return grilles, 600 Ventilation, 850 air conditioning units, 443 (Jairy barn. 772 garage. 773 hospitals, 702 natural, 765 general rules, 771 passenger bus in summer, 715 physiological objectives of, 65 railway passenger car, 711 state codes, 862 symbols for drawing, 859 .
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