Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances (1918)
Keene, E. S. (Edward Spencer), b. 1864 · New York, McGraw-Hill book company, inc.; · leaf 252
. The power-driven fan F draws in outdoor air from an openingA J through a set of heater coils Hi, in which it is raised consider-ably in temperature. The heater in this case is a coil of steampipes. The air—after being warmed—is taken into the fan andfrom it may be sent through a second set of… … Fig. 173.—Plenum hot-blast heating system with temperature regulation. which may be opened by the motor N to admit cold air that isdrawn directly into the fan. The movement of the air throughthese bypasses is under control of the thermostat, which causesthe motor N to open or close the bypass to…
Heating · Lighting · Plumbing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
