HEATING VENTILATING AIR CONDITIONING GUIDE 1942 per cent of the heating equipment is necessary to handle only the outside air load.

HEATINC VENTILATINC AIR CONDITIONING GUIDE 1942 soldered to the core or by both pressure and soldering.

HEATING VENTILATINC AIR CONDITIONING GUIDE 1943 mid-height of a building, and that the temperature., difference is 70 F, Equations 1 and 2 may be used to determine an equivalent wind velocity . to be used in connection with Tables 1 and 2 that will allow for both wind velocity and temperature difference: Me = VJf - 1.75 a (X) where = Vtf + 1,75 b , (2) Mt = equivalent wind velocity to be used in conjunction with Tables 1 and 2.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1943 the fuel bed and thus automatically causes a larger draft above the fuel bed, which draws in more secondary air through the same slot openings.

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 Table 9.

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 Such, units are usually designated as filters or unit filters.

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 the return air may be brought through door grilles or door undercuts into the corridors and then to a common return or exhaust.; The pressure drop through door returns should not be excessive (50 per cent of: supply grille pressure); otherwise.the air distribution to the room may be:seriously unbalanced with the opening or closing of the doors.

HEATINC VENTILATINC AIR CONDITIONING GUIDE 1944 Table 6.

heating .ventilating air CONDITIONING GUIDE 1944 control and reheat control.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1944 Table 9.

114.

296 Chapter 15 .1945 Guide shown; and the methods-of-balancing the several-radiators or circuits are' illustrated.

580. .

622 Chapter 34 1945 Guide and one up-stream, is sometimes used for low velocities, but it should be carefully calibrated for accurate results.

124 CHAPTER 6 1946 Guide Table 4.