Single-coil twin-fan variable-air-volume (VAV) system for...

Details Single-coil twin-fan variable-air-volume (VAV) system for... Single-coil twin-fan variable-air-volume (VAV) system for...

2006-01-17

2006-01-17

Walberg, Teresa J. (Department: 3753)

Heat exchange

With timer, programmer, time delay, or condition responsive...

Having heating and cooling capability

C165S252000

Reexamination Certificate

active

06986386

ABSTRACT:
An HVAC system has two variable-air-volume (VAV) systems, a first VAV system for moving fresh air and a second VAV system for moving recycled air. Both the fresh air and recycled air are cooled and dehumidified by a single heat-exchanging coil. The fresh and recycled air streams travel independently in separate ducts until the air streams reach a remotely located mixing box where the air streams mix and ventilate into a room or zone of a building. The HVAC system uses carbon dioxide and temperature sensors in order to regulate the flow of fresh and recycled air to various mixing boxes throughout the building.

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