T a b l e 1.

Heating Ventilating Air Conditioning Guide 1938 The resistance of a well-designed unit filter of the adhesive impinge ment type usually depends upon the velocity at which the air is handled and upon whether the unit is clean or dirty.

Heating Ventilating Air Conditioning Guide 1938 Table 17.

Heating Ventilating Air Conditioning Guide 1939 Table 8.

Heating Ventilating Air Conditioning Guide 1939 trated in Fig. 6, are not to be generally recommended for hot water sy$. terns unless the water temperature can be maintained at a reasonably high temperature and rapid circulation of the water can be .obtained PROBLEMS IN PRACTICE 1 What are the principal differences between a radiator and a convector?

Heating Ventilating Air Conditioning Guide 1939 200 ft preferably employ the smaller pressure drop while systems over 200 ft equivalent length of run more frequently go to the higher drop owing to the relatively greater saving in pipe sizes.

Heating Ventilating Air Conditioning Guide 1939 This resistance can be supplied by a calibrated and adjusted modulating valve v. an orifice resistor in a union.

Heating Ventilating Air Conditioning Guide 1939 2.

Heating Ventilating Air Conditioning Guide 1939 with the cooling coils.

Heating Ventilating Air Conditioning Guide 1939 Table 4.

Heating Ventilating Air Conditioning Guide 1939 this speeds up the heat transfer rate.

Heating Ventilating Air Conditioning Guide 1939 Table 4.

Heating Ventilating Air Conditioning Guide 1939 ferred from the boiler or other source of steam to the heating units by means of steam at, above, or below atmospheric pressure.

Publications American Artisan Published by KEENEY PUBLISHING COMPANY 6 North Michigan Avenue, Chicago, 111.

Heating Ventilating Air Conditioning Guide 1939 SCHWARTZ.