Regulating Methods of Design and Installation of Warm Air Winter Air Conditioning Systems & Warm Air Heating Systems in Buildings

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ORDINANCE NO. 3571 BE IT ORDAIAM by the Common Council of the City of South Bend, Indiana, that: Part I. Warm Air Winter Air Conditioning Systems Article I - Definitions Section 1. S "Tartu air, winter air conditioning systems, shall consist of one or more warr_i air heating units within individual housings, or within one common housing, one or more motor - driven blorrers, smoke or vent pipes, individual leader pipes or trunk line systems, or both, with necessary control dampers for warm air and return air lines, automatic controls, registers and intakes; and other appurtenances, such as air filters, air washers, humidifiers, etc., as may be required. Section 2. An individual supply system shall consist of separate ducts, of round or rectangular cross sections, extending from the heating unit. Section 3. A trunk line system consists of one or more main ducts with branches. Section 4. Return ducts may be individual or trunk lines, or a com- bination of both. Section 5. In all cases inhere the term "manual" is used, reference is made to the then existing latest edition of the Code and -anual For The Design and Installation of Warm Air, YJinter Air Conditioning Systems, as issued by the National T`darm Air Heating and Air Conditioning Association, 145 Public Square, Cleveland 14, Ohio. Article 2 - Estimating ;seat Doss From Rooms and Building Section 1. The heat loss in B.t.u. per hour from each room to be heated shall be determined in accordance with the approved method given in the I manual, Section A. These values of heat loss are to be used in determining the r,