f3do CHAPTER 13 1954 Guide ;ciCnt to warrant farther consideration: Tig. 4 offers a simplified schematic 'illustration'showing how the radiative part of the instantaneous heat gain 'is first absorbed bysolid objects, and is hot encountered by the conditioning & equipment as a cooling load until some later time, when it finally appears * in' the5 air stream entering the-equipinen;i While it is true-that some lag also is inherent in convective heat transfer and the time required to change the air in the conditioned space, this is usually of the order of a few minutes to perhaps half an hour.

418 CHAPTER 17 1954 Guide % AVAILABLE DRAFT FOR THE RESIDENTIAL CHIMNEY Equations 3 and 4 cannot readily be used for computing the available draft for residential chimneys because of the relatively greater importance of friction losses, cooling of the gases, and soot deposits in small chimneys.

470 CHAPTER 20 Fig. 4.

502 CHAPTER 21 1954 Guide Table 8.

584 CHAPTER 25 1954 Guide BOILER CAPACITY FOR STEAM UNIT HEATERS The capacity of the boiler should be based on the rated capacity of the unit.heaters at the lowest entering air temperature and highest fan-speed' that will occur', plus an-allowance for pipe line losses.

4 CHAPTER 1 1955 Guide Down-Feed System {Steam): A steam heating system in which the supply mains are above the level of the heating units which they serve.

724 CHAPTER 32 1955 Guide . h, = (1) where hi = bead loss due to friction, in feet of fluid flowing.

762 CHAPTER 33 1955 Guide clined backward away from direction of rotation.

918 CHAPTER 40 1955 about 95 percent synchronous speed at full load.

Copyright 1956 BY THE American Society op Heating and Air-Conditioning Engineers, Inc.

2.60: QHAPTER 12 1956 Guide tieularly' important;, as the temperature gradient from .floor to breathinglevel to ceiling may. depend to . a .large extent,on whether .direct radiation, unit heaters or warm air is used, and in the latter casey whether the air is moved mechanically or by gravity.

j ; ;ri ' i- 1{?

1136 CHAPTER 50 1956 Guide REFERENCES 1 Cooling a Small Residence with a Two-Horsepower Mechanical Condensing Unit, by H.

3 |C ,S:: ,V I- -I | -:;i llr;: i I|i; tfri i: S :< i, 30 CHAPTER 3 1957 Guide vapor present, The probable reasons for this inaccuracy are due to the effect of: X.

378 CHAPTER 14 1957 Guide " Condensation of Moisture in Flues, by William R.