. The powers systems of automatic temperature control, a non-electric automatic regulator for controlling temperatures. . Plate i is a plau view and 2 an elevation showing a type of the Steam Fan System of heating, com-monly used in school houses. Plate 2 shows particularly the application of the automatic temperature con-trolling system. A is the thermostat which controls the compressed air generated at F, and operating the diaphragm B ;this being connected to the mixing dampers C, holds them in such a position as will properly mix thehot and tempered air before it enters the room. It will be
. The powers systems of automatic temperature control, a non-electric automatic regulator for controlling temperatures. . Plate i is a plau view and 2 an elevation showing a type of the Steam Fan System of heating, com-monly used in school houses. Plate 2 shows particularly the application of the automatic temperature con-trolling system. A is the thermostat which controls the compressed air generated at F, and operating the diaphragm B ;this being connected to the mixing dampers C, holds them in such a position as will properly mix thehot and tempered air before it enters the room. It will be noted that the cold air from out of doors isfirst drawn through tempering or pre-heating coils, and by them is warmed to a temperature not higher than60 degrees, the thermostat D in tempered air chambers operating the by-pass damper, beneath temperingcoil, so as to prevent the overheating of this air. The arrangement of thermostat, diaphragm and mixingdampers is repeated for as many rooms as there are under control—each room having its own thermostat,mixing dampers and heating duct. The compressed air from the re
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Keywords: ., bo, bookcentury1900, bookdecade1900, booksubjecthvac, bookyear1901
