IES-VE User Forum

Hi can anyone help me understand what is the statistics in WP Grid means for Annual UDI results.

For % Annual UDI <100 lux for occ 9-17, it gaven

<25% = 651(1116)
25-50% = 267
50-75%=43
>75% =155

what is the 4 thresholds try to say? Please advise. Thanks.

Just to continue on this, I have used PRM, and the results in load calculation appeared to be in line with the design air flow, however in the simulation result, it always higher than input, I have tried to set the airflow (mix-max range) in both heating/cooling flow controller as well as design air ...

Also because of the same problem of group assigning, when I clicked the ASHRAE 62.1 parameters, there isn't any active spaces type..... please help

I have recently working on the navigation for one LEED project, I created our own space type list in the Room/zone Group Assignment using space by space method, I manually assigned spaces into groups as the word search create problems, however, not all space groups end up shown in the active space ...

One more question, Phil

I had modelled windcatcher which connected to a room, can I analysis internal CFD with multi spaces, like four compartments in windcatcher and one classroom? seem i can only choose 1 single room.
Please advise. thx

Phil, thank you so much....

Thank you, I restarted the whole system, seems it worked.

I can see two way to set this, don't know if the software could achieve it:-

1. set the fan fule by electricity generated by PV, I am not sure if we could do it;

2. control the fan by sensors/timer, which one could take account of the solar radiation factors to have fan running at when solar ...

what is that for? upon click HVAC, this msg popped up, what could be the problem? I am working on a single room model only~~~~Please help, thx.

:shock: I have performed Apache cal, and set the output option as per the Step 0 in Microflo user manual, and chose the rooms, I exported the boundary condition too, however, in Microflo internal analysis, the CFD setting command is in Grey, deactived from clicking, why? What could i possiblly make ...