Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 519
tely 20 per cent ofthe area of the radiation from which condensation is discharged, and is set as an indirect radiatorwith suitable ah supply and discharge ducts. Common proportions are 1 sq. in. of area in coldair duct and ll-i sq. in. of hot-air duct for each sq. ft. of coil surface. The method… … Fig. 4. Hot-W.vter Heater. the meter as shown. Both trap and economy coil must be equipped with automatic airvalves for venting all air pockets. Cast-iron indirect radiator sections are generally used in making up these coils. Eachsection has 10 sq. ft. of heating surface, is 38^ long by 12^ deep,…
Building · Heating · Ventilation
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