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Constant Volume System

The constant volume 100% direct-fired make-up air system heaters provide a constant rate of supply air to the space. The gas flame in the unit heats the fresh make-up air directly, eliminating energy losses associated with other types of heating. For most applications, introducing slightly more make-up air into the space than what is exhausted produces the best results. A slightly positive building pressure assures the best performance. Some applications, such as the

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Specifications

CFM Range

3000 - 7000

BTU/hr Range

130,000 - 1,140,000

Motor HP Range

1.5 - 7.5

External Static Pressure (in w.c.)

0.0 - 2.0