Condensing gas package unit with a tubular conduit for passing a condensate drain line
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United States of America Patent
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Sep 11, 2012
Grant Date -
Mar 1, 2012
app pub date -
Feb 11, 2011
filing date -
Feb 11, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Air conditioning units packaged with condensing gas heat exchangers include a drain line connected to a collector attached to the heat exchanger. In different embodiments, the drain line, or a conduit for the drain line, may extend to the return duct opening for routing of the drain line through the return duct for disposal of the condensate, for instance, within the building, or the drain line may extend through a hole in the floor of the unit. The conduit may protect the drain line from direct heat from the heat exchanger, from freezing where the drain line passes through an outdoor section, or both. In some embodiments, air may be circulated through the conduit to prevent freezing. The conduit may guide the drain line through the unit, roof curb assembly, or roof, or the drain line may be routed through the unit by the manufacturer to the return duct opening.
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