IES-VE User Forum

Apologies for the basic question from an intermittent IES user.

I have previously (I think) managed to rotate my plan view so that an attached dxf is better aligned to the vertical and horizontal axes for drawing cuboids over relevant rooms.

However, trying this at the moment the X and Y ...

What NCM system would you classify these as?

The nearest match seems to be central heating using air distribution but a direct gas burner cannot be used as the heat source for this.

Any thoughts gratefully received.

I'm finding the use of rooflights in notional buildings a bit mysterious. Has anyone pinned down hard and fast rules for this?

The NCM Modelling Guide (page 9) says that this is entirely dependent on the space's activity and that the NCM Activity Database shows whether each activity type would be ...

Apologies for not having got back sooner about this. I'm afraid I never tracked down the problem. I'd be happy to e-mail the archived model if that would be helpful but don't want to waste anyone's time any further.

My solution was a scorched earth approach of deleting all the templates and re ...

Hi John

I should have e-mailed you directly! The profiles are:
NCM Office_OpenOff_Light_WK1
NCM Office_Toilet_Light_WK1
NCM Office_Circulation_Light_WK1

However, if I switch the installed density back to the template (say 3.75 W/m2 per 100 lux for offices), the profile returns to normal. So this ...

Despite having the same settings for actual and notional building lighting systems, in Vista the actual building lighting gains are shown as continuous over the year (24 hours a day) whereas the notional building lighting is varying with the profile you'd expect from NCM activities.

Any idea what ...