[Equest-users] Zone and activity Allocation?

Nick Caton ncaton at smithboucher.com
Fri Jun 13 14:54:12 PDT 2014

Interesting question, I'll answer with how I use this screens, and maybe learn something in the process!

Myself - I only use screen 13 for a given shell to ensure I have all the space types I need to account for (sometimes reselecting some of the dropdowns to different options available).  I will then leverage screen 14 to assign those types to each specific zone - typically allocating 100% of one space type (creating a zone group) to each specific zone, but sometimes splitting the space types up if the zone encompasses multiple area types.  I'll also leverage screen 14 to define zonal exhaust, as occurring.

When it comes to inputting actual (designed) space occupancies and ventilation rates, I allow the wizards to stick to the library values until I get into detailed mode, where you can enter those things with hard figures, typically to synchronize with actual equipment scheduling and/or design calculations.

Nothing in screens 13/14 directly affects the HVAC systems you define in wizards.  Often, I'll define all my shells (including inputs for screens 13/14) before even beginning to define HVAC systems.  If I am defining multiple distinct system types, I'll go back to screens 14 for my shells to ensure all spaces are assigned appropriately before finishing wizard level edits.

That's just how I use these screens - hope that helps =)!


[cid:489575314 at 22072009-0ABB]


Smith & Boucher Engineers
25501 west valley parkway, suite 200
olathe, ks 66061
direct 913.344.0036
fax 913.345.0617

From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Donald Hay
Sent: Friday, June 13, 2014 2:57 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Zone and activity Allocation?


Looking back over archived emails on the list, it seems like the preferred method for zone and activity allocation (screens 13 and 14 in the dd wizard shell definition dialogs) is to sum the square footages of each HVAC zone and allocate the spaces based on percentages in screen 14. This seems somewhat counter-intuitive. Is there a method, in ddedit or otherwise, to just assign activity classifications space-by-space, without affecting their HVAC system parent?

Thank you.

Donald Hay, E.I.T.
Stridde, Callins & Associates
(361) 883-9199<tel:%28361%29%20883-9199>

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