Heating Ventilating Air Conditioning GUIDE 1955 A n Instrument ofService Prepared for the Profession containing A TECHNICAL DATA SECTION of reference material on the DESIGN AND SPECIFICATION OF HEATING, VENTILATING, AND AIR CONDI TIONING SYSTEMS BASED ON----THE TRANSACTIONS--THE INVESTIGATIONS of the Research Laboratory and Cooperating Institutions-- and the Practice of the Members and Friends of the Society; A MANUFACTURERS' CATALOG DATA SECTION containing ESSENTIAL AND RELIABLE INFORMATION CONCERNING MODERN EQUIP MENT; COMPLETE INDEXES to Technical and Catalog Data Sections.

54 CHAPTER 3 .1955 Guide It is possible to obtain two values for the wet-bulb temperature when this temperature is below 32 F.

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552 CHAPTER 22 1955 Guide etc., need careful consideration.

774 CHAPTER 33 1955 Guide mgs, drives and motors outside the gas stream, centrifugal fans are usually used and in arrangements 1, 2, 4, or 8 (Fig. 6).

802 CHAPTER 35 1955 Guide introduces moistened air; and (2) direct, which sprays moisture into the room or introduces moisture by means of steam jets.

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124 CHAPTER 6 1956 Guide nearly horizontal.

202 CHAPTER 9 1956 Guide : Example 3: Find the coefficient of transmission U of a frame wall consisting of stucco, 2^2-in. insulation board sheathing, 2 x 4-in. studs, gypsum lath and plaster, and with 2-in. blanket insulation between studs, for 25 mph wind velocity.

CHAPTER 12 1956 Guide 274 of the results in Table 9.

424 CHAPTER 17 1956 Guide -the chimney and, with the large amount of gases that are exhausted to the atmosphere through the industrial chimney, downwash can be very ob jectionable.1 AVAILABLE DRAFT FOR THE INDUSTRIAL CHIMNEY The available draft, Z)a, for large chimneys and stacks has been estimated with apparent satisfaction in the past by means of formulas which in effect deduct an estimated friction loss from a theoretical draft determined as in Equation 1.

488 CHAPTER 20 1956 Guide Table 6.

698 CHAPTER 30 1956 Guide saturation after the coil will reduce further the dry-bulb temperature and the air quantity required.

To Be Made Effective: April 17, 1956 Merchandise Bulletin 2601-9 I2..ALL 5ALE?

896 CHAPTER 39 1956 Guide changes in outdoor temperature is an example.