Control of HVAC system

Details Control of HVAC system Control of HVAC system

2005-02-01

2005-02-01

Jones, Melvin (Department: 3744)

Refrigeration

With illuminating or radiant energy means

C062S249000

Reexamination Certificate

active

06848266

ABSTRACT:
An ultraviolet photocatalytic oxidation device includes at least one first ultraviolet light source and at least one second ultraviolet light source. The ultraviolet light sources are all switched off when a fan for the HVAC system is switched off. In another feature of the present invention, while the evaporator coil is on, all of the ultraviolet light sources are turned on. Because the ultraviolet light sources are more effective when the evaporator coil is off, some of the ultraviolet light sources are turned off while the evaporator coil is off. While the evaporator coil is off, the ultraviolet light sources may be switched on alternately, such that they are on each on a substantially equal portion of the time that the evaporator coil is off.

REFERENCES:
patent: 5203989 (1993-04-01), Reidy
patent: 5601786 (1997-02-01), Monagan
patent: 6171548 (2001-01-01), Rose et al.
patent: 20020008214 (2002-01-01), Sevack et al.
patent: 20030021720 (2003-01-01), Reisfeld et al.

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