Handbook for heating and ventilating engineers . con-nections as found in a typical plant of this system. Manyattachments and improved mechanisms may be had to-dayin connection with this system, such as air washers andhumidifiers, automatic damper control systems, and brinecooling systems whereby the heating coils may be usedas cooling coils, and, during hot weather, be made tomaintain the temperature within the building from 10 de-grees to 15 degrees lower than the atmosphere. None ofthese auxiliaries, however, change in any way the necessity 154 HEATING AND VENTILATION for the three fundamen
Handbook for heating and ventilating engineers . con-nections as found in a typical plant of this system. Manyattachments and improved mechanisms may be had to-dayin connection with this system, such as air washers andhumidifiers, automatic damper control systems, and brinecooling systems whereby the heating coils may be usedas cooling coils, and, during hot weather, be made tomaintain the temperature within the building from 10 de-grees to 15 degrees lower than the atmosphere. None ofthese auxiliaries, however, change in any way the necessity 154 HEATING AND VENTILATION for the three fundamentals named and their general ar-rangement as shown. 100. Variations In the DcNii^n of Meflianloal Warm AirSystems:—With regard to the position of the fan, two meth-ods of installing the system are common. The first andmost used is that shown in Fig. 85, a, where the fan Is inthe basement of the building and forces the air by pressureupward through the ducts and into the rooms. This causesthe air within the entire building to be at a pressure.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectventila, bookyear1913
