RTUs with constant fans

asked 2018-11-19 19:02:04 -0600

updated 2018-12-08 15:18:06 -0600

I have an existing building I am modelling. There are a few RTUs that the building owners have decided to run the fan on constant. The heating and/or cooling still operates through thermostats, just the fans are on constant.

whats the best way to model this in OS?

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Update: To clarify, all my air loops in my model have the fans running constantly. My intent is to make the fans follow the Zone thermostat. Example, if there is a call for heating, turn on the fan, once the setpoint has been met, turn off the fan. I have been trying to figure this out through Setpoint Managers, I just can't seem to make it work.

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Similarly, I have some plat loops that run with the pumps fully on during the heating season. I've described this issue here: https://unmethours.com/question/35485...

re-measure gravatar imagere-measure ( 2018-11-19 22:16:22 -0600 )edit

I think I am on track to answering this question using the "Control" tab within the "HVAC Systems" page. However, I am still having issues getting this going.

Please see my comments here to see if you can help me out: https://unmethours.com/question/35485...

re-measure gravatar imagere-measure ( 2018-11-20 19:46:46 -0600 )edit