American Society of Heating and Ventilating Engineers Guide, 1932 Table 3.

American Society of Heating and Ventilating Engineers Guide, 1932 The maximum Btu input or gas that can be burned may be determined by the manufacturer but is checked by the American Gas Association laboratory before being approved.

American Society of Heating and Ventilating Engineers Guide, 1932 Chapter 15--Draft and Chimneys T0 = absolute temperature of atmosphere, degrees Fahrenheit.

/ American Society of Heating and Ventilating Engineers Guide, 1932 Where there are one or more ducts with branches, the velocity of air in the ducts may be either chosen arbitrarily or calculated for friction losses.

American Society 0/ Heating and Ventilating Engineers Guide, 1932 One-pipe gravity and vapor systems are not recommended for unit heater work.

.American Society of Heating and Ventilating Engineers Guide, 1932 to their source or sources.

American Society of Heating ani Ventilating Engineers Guide, 1932 DAVIS, Bert C.

American Society of Heating and Ventilating Engineers Guide, 1934 3.

\ American Society of Heating and Ventilating Engineers Guide, 1934 Down-Feed Gravity One-Pipe Air-Vent System In the overhead down-feed gravity one-pipe air-vent system there is no change over the up-feed system in the radiators, the radiator valves, the air valves, or the radiator runouts as far back as the risers.

American Society of Heating and Ventilating Engineers Guide, 1936 -a HEAT EQUIVALENT OF AIR ENTERING BY INFILTRATION The heat required to warm cold, outside air, which enters a room by infiltration, to the temperature of the room is given by the following equation: Hi = 0.24 Qd (/ -- t0) (3) where Hi = Btu per hour required for heating air leaking into building from outside temperature t0 to inside temperature t.

American Society of Heating and Ventilating Engineers Guide, 1936 Unit equipment as described previously justifies its existence due to the following features: 1.

American Society of Heating and Ventilating Engineers Guide, 1936 on the return line may be installed to stop the motor when the tempera ture in the return line is below a predetermined point as shown in Fig. 4.

American Society of Heating and Ventilating Engineers Guide, 1936 Qass 3 Stokers, General Commercial, Small High Pressure Plants The general commercial heating and high pressure plant with boilers burning from 500 lbs of coal per hour to 1200 lbs of coal per hour, is a field distinct from the large commercial and industrial field.

American Society of Heating and Ventilating Engineers Guide, 1936 Water is heated by various methods using heat exchangers arranged so that the boiler heating medium gives up its heat to the water in the hot water circulating system.

American Society of Heating and Ventilating Engineers Guide, 1936 Table 4.