#279 Haystack Update 2.0.6

Brian Frank Thu 14 May 2015

I have updated web site with several new documents and 27 new tags.

Zone Chapter

I've pulled all zone points out into a new Zones chapter. Zone temp set points have been enhanced per topic 197. The key observation here is that this set of points is consistently used with direct zone AHUs, VAVs, and other unitary equip such as FCUs.

VAV Points

The VAVs tagging model has been enhanced quite a bit based on the proposal from topic 274. Some specifics which fell out of trying to craft a document from Paul's proposal:

  • I created a set of five different combinations for coolOnly, series/parallel, fanPowered, and reheat to define the "VAV type"
  • there is still ambiguity on best way to model explosion of air flow setpoint min/maxs; for now I stuck to Paul's proposal just changed maxReheat to reheating max
  • renamed the heat tag to reheat in VAVs to be more specific
  • made ductArea a point versus a tag on the VAV itself since that is how it is commonly used

AHU Methods

Add a new section in AHU chapter for describing method of heating/cooling:

These tags following conventions Paul proposed for specifying VAV reheat method.

Unitary Equips

I stubbed out a new chapter called UnitaryEquips with three of the big units we haven't defined yet:

I just picked what are probably the obvious tags to use, but please provide feedback. Next step will be flush out their equip level tags and points.

New Tags

Listing of new tags added:

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