Solartube (Tubular Daylighting System)

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Does anybody have any experience using Solartube (Tubular Daylighting
System) in EQuest? On Equest 3-61e, I was able to pick Tubular
Daylighting system, but software crashed all the time. Now I got Equest
3-63. It seems to be more stable than previous version. Does this
tubular daylighting system actually dim artificial lighting according to
accommodate foot candle set point inside of room? Did anybody
experienced a problem with tubular daylighting system?

Kosuke Kato, LEED AP

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Kosuke - I haven't seen that you've received a response, but I regularly
simulate Solartube skylights without a hitch. A couple of things I keep
in mind when doing so are...

- Making sure to convert the rounded area of the tube to a square dimension
- Ensuring that the tube depth (or light well) extends below a drop
ceiling or equivalent attic

- Assigning the appropriate space with the daylight sensor(s)
- Making sure that the correct number of sensors and corresponding
daylight area (ratio) per sensor is accounted for
- Additionally, ensuring that the appropriate foot-candle level,
location, rotation, and control strategy are input for sensors

Regards,

Matthew Higgins, LEED AP

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