Question: =+6-16. A small commercial building has a computed heating load of 250,000 Btu/hr sensible and 30,000 Btu/hr latent. Assuming a 45 F temperature rise for

=+6-16.

A small commercial building has a computed heating load of 250,000 Btu/hr sensible and 30,000 Btu/hr latent. Assuming a 45 F temperature rise for the heating unit, compute the quan-

tity of air to be supplied by the unit using the following methods:

(a) Use a psychrometric chart with room conditions of 70 F and 30 percent relative humidity.

(b) Calculate the air quantity based on the sensible heat transfer.

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