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Multizone VAV airflow control problems #127

@Justin-DeBlois

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@Justin-DeBlois

The AHU.pxt and Unitary.pxt templates currently use AirLoopHVAC:UnitarySystem for VAV rooftop units and air handlers. However, there appears to be controls deficits with this approach.

The following documents the issues we found, which have a significant effect on all results for MZ-VAV system types:

2025-10-14 DEER Improvements - VAV Analysis.pdf

TRC developed a fix that builds VAV systems without using AirLoopHVAC:UnitarySystem: here.

Note that the linked branch is not currently up to date with the rest of the repository.

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