[Bldg-sim] Occupany/Vacancy Sensors for Lighting Power

Vishal Garg vishal at iiit.net
Thu Apr 30 18:58:31 PDT 2009


How is it saving more? Are you assuming that a person will enter the space
and will not switch the light ON?
- Vishal

On Thu, Apr 30, 2009 at 7:46 PM, Kevin Kyte <kkyte at robsonwoese.com> wrote:

>  Is anyone aware of a CIR or received approval for using vacancy lighting
> sensors on a LEED project.  Meaning the sensor works like an occupancy
> sensor but does not turn lights on until the user flips the switch.  Then
> the lights automatically turn off after sensing no occupancy for a time.  If
> so, what is the approved percentage deduction off of light power density.  I
> was assuming an additional 10% over regular occupancy sensors but have been
> told the savings could really be a lot higher than that.  Thanks.
>
>
>
> Kevin
>
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