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SOLUTION:

The air temperature distribution seems to be the culprit.

I had it on "Dynamic Gradient". Changing it to "Mixed" seems to solve the problem.

I've had issues with dynamic gradient be ...

The following error is terminating my simulation:

** Severe ** PsyRhoAirFnPbTdbW: RhoAir (Density of Air) is calculated <= 0 [-0.54872].
** ~~~ ** pb =[78482.60], tdb=[-771.03], w=[5.95 ...

I was recently doing some trouble shooting and it took me a while to realize that templates for certain tabs would affect fields on other tabs. My biggest issue was that the Activity Template was affe ...

I am having trouble using the 7/12 schedules. I am not new to DB or E+. Templates that I have been using for the past 5 years are no longer functioning.

I've narrowed it down to the use of 7/12 sch ...

7/12 schedules seem to be broken.

I'm starting a new thread to discuss.

It seems that the problem is the Activity Template that I've been using for the past 5 years. I haven't figured out exactly what's wrong with it, but it is not functioning properly.

I don't believe ...

The heating and cooling design sims seem to be working fine.

The full simulation, however, will not heat to set points.

I've attached the model.

Any thoughts?

Thanks.

I'm having issues with this as well.

I would like CLO scheduling for summer night time ventilation comfort analysis.

Thanks,

John

Interesting.

I didn't realize that I had a schedule effecting me.

The lack of weird spiking looks good but it still seems like a major increase in cooling load.

If you allow a room to strati ...

I'm still seeing crazy partition gains in the cooling design tab when surface variables are on.

It doesn't seem to be effecting anything as far as AC use or sizing, but it makes the graphs hard to ...

I've found the source of the issue and an easy way to reproduce what I'm seeing:

-Draw a 20'x20' box and allow it to autocomplete with default values.
-Set location (weather, etc) to Salt Lake Cit ...

Hi Guys,

Using the parametric simulation as follows:

Criteria/Data = 3-Operative Temp
Variable = % External Window Operable (set from 0%-100%)

The simulation seems to be working fine however ...

I've modeled a small house and I am seeing a strange discrepancy between cooling load and heat gain. When I export all of the gains and losses and sum them, then compare them to the cooling load the t ...

So does the outer surface only "exist" for visualization purposes? ie all heat transfer is though the inner surface, window is on inner surface, outer surface does not shade windows on inner surface, ...

I am confused about how the local shading is working.

I am modeling a house that has walls that are 1' thick and overhangs on the south side that project 1.5' out from the outer wall. When I enter ...

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