Issue overview

This is a followup to PR #6223. The test files for this issue have an outdoor air schedule that is shifted from the fancoil operating schedule. In the morning from 8-11, the fan coil is on while the OA is scheduled off - this works OK, the fan coil simply recirculates 100%.

At night from 21-24, the fan coil is schedule off, but the DOAS and OA schedule is still on. This does not deliver any outdoor air to the zone. Clearly it seems the the supply side mixer should be able to deliver OA no matter whether the fancoil is operating. The inlet side mixer is not as clear, but it seems that the OA should still flow through in that case.

I have not tested what happens to the OA primary flow with a cycling fan on the ZoneHVAC unit.

Details

Some additional details for this issue (if relevant):

• Platform (Operating system, version)
• Version of EnergyPlus v8.7.0 fdb3cf2

Checklist

Add to this list or remove from it as applicable. This is a simple templated set of guidelines.

• Defect file added (list location of defect file here)
• Ticket added to Pivotal for defect (development team task)
• Pull request created (the pull request will have additional tasks related to reviewing changes that fix this defect)