Heat exchange – With timer – programmer – time delay – or condition responsive... – Having heating and cooling capability
Reexamination Certificate
2005-10-25
2005-10-25
Ciric, Ljiljana (Department: 3753)
Heat exchange
With timer, programmer, time delay, or condition responsive...
Having heating and cooling capability
C165S212000, C165S223000, C165S267000, C236S00100H, C236S00100H, C236S09100C, C236S09100C, C454S258000, C237S00200B, C237S00200B
Reexamination Certificate
active
06957696
ABSTRACT:
A method and controller for controlling the operation of a zoned climate control system including a primary heat source, a secondary heat source, a cooling unit, and a humidifier unit. The controller is configured to receive both heating demand signals and cooling demand signals from a plurality of zone thermostats positioned throughout the residence. Upon receiving a heating demand signal, the controller operates the primary heat source to provide heat to the zone issuing the heating demand signal. The controller determines whether the primary heat source satisfies the heating demand signal within a maximum heating period. If the heating demand is not satisfied within this period, the controller activates the secondary heat source to supplement the heat being supplied by the primary heat source.
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Andrus Sceales Starke & Sawall LLP
Ciric Ljiljana
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