problem with energy consumption (UNI EN 15193)

questions regarding the handling of DIALux evo. (features, tools, options, settings)
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gianluca74
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Joined: Sat Oct 20, 2018 3:00 pm

problem with energy consumption (UNI EN 15193)

Post by gianluca74 » Sat Nov 03, 2018 12:11 pm

Good Morning,
In dialux evo is it possible to choose the daylight responsive Control system in accordance to UNI EN 15193 (Fdc: correction factor to account for the effect of daylight responsive control systems in a zone - see table F16 pag 92 UNI EN 15193:2017)?
In the energy tool there is a sensor but this sensor is only a presence sensor.

Thank you.
Gianluca.

T.Magenheimer
Posts: 1212
Joined: Thu Jul 26, 2012 10:16 am

Re: problem with energy consumption (UNI EN 15193)

Post by T.Magenheimer » Tue Nov 06, 2018 1:26 pm

Dear Gianluca,

After you inserted a detector/sensor in our DIALux evo software, you have the possibility to activate the constant light regulation for the sensor as you can see in the following screenshot.

Screenshot.JPG
Screenshot.JPG (38.95 KiB) Viewed 140 times

Kind regards,
Your DIAL Support Team

gianluca74
Posts: 2
Joined: Sat Oct 20, 2018 3:00 pm

Re: problem with energy consumption (UNI EN 15193)

Post by gianluca74 » Tue Nov 06, 2018 5:17 pm

Thank you for your replay.


I think that the "constant light regulation in Evo" is a different factor than the factor Fdc (correction factor to take into account the effect of daylight control systems in an area)
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It seems to me that the "constant light regulation in Evo" is the "constant light factor Fc" as described in UNI 15193 which is different from Fd = 1 - (Fd,s * Fdc) (daylight dependency factor ).

Could you explain me how dialux evo work with the daylight dependency factor Fd?

If I don't choose the Fdc factor, How dialux calculate the Fd factor and the energy for lighting in accordance with 15193? --> W = ∑(Pn x Fc) x (td x Fo x Fd)+(tn x F0) /1000 [kWh].

Thank you.
Gianluca

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