Leen - yes. Connect the incidence angle from Type 15 for the sloped surface to the the Type 94 input. You should also review the example projects as they show weather connections for sloped surfaces.
Jeff - TESS
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> ______________________________
> On Apr 29, 2018, at 3:52 PM, leen peeters via TRNSYS-users <trnsys-users@lists.onebuilding.org > wrote:
>
> Hi,
>
> so type 15 gives the Angle of incidence for surface (The angle of incidence between incident beam radiation and the specified surface.)
> Type 94 asks the incidence angle of beam radiation (The angle between the normal to the array plane and the line between the sun and the surface of the array.)
>
> Maybe not needed for all, but for me it could be a bit more clear. I couple them?
>
> Leen
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