Re: [EnergyPlus_Support] Re: Daylighting Object zone division

[Dru Crawley <dbcrawley@xxxxxxxxx>]

Daylighting only controls the reduction of lighting -- when the contribution from daylight exceeds the lux setpoint. It does not increase the lighting if you enter a very high lux.  The zone lighting object assume that you have designed enough lighting power to meet the lux requirements but doesn't perform any calculations (E+ doesn't have fixture information and lux output.).

 

So, in your case, yes, that effectively means the second lighting zone is always on,

 

Dru

On Wed, Aug 31, 2011 at 9:33 AM, Jean marais <jeannieboef@xxxxxxxxx> wrote:

 

Any thoughts?

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Jean marais" <jeannieboef@...> wrote:
>
> If I specify lux level of 100 lx for my first sensor, and 10000 lx for my second sensor, will I effectively have daylighting control in the first sensor area and no dimming in the second?
>
> Will the lights step up over and beyond the input power to achieve the 10000 lx thereby destroying power consumption values?
>

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