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Variable heating/cooling capacity limits?

asked 2019-02-27 14:29:09 -0500

MiguelPereira gravatar image

updated 2019-02-27 16:49:35 -0500

I have been using the IdealLoadsAirSystem to model heating and cooling of a building. My question Is, is it possible to limit heating/cooling capacity only during certain periods of the simulation?

Specifically, I am trying to limit capacity during weekends, while keeping it unlimited during weekdays. Since the IdealLoadsAirSystem only has one parameter for heating/cooling capacity and it seems to be a fixed value for the whole simulation, and since I can't, to my knowledge, assign more than one IdealLoadsAirSystem object to the same zone, what would be the best way to accomplish what I am trying to do?

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answered 2019-02-27 16:49:06 -0500

While I haven't tested it, you can assign multiple of any ZoneHVAC system (including ZoneHVAC:IdealLoadsAirSystem) to a thermal zone. You should be able to set availability schedules for each IdealLoadsAirSystem such that the one with unlimited capacity is only available on the weekdays and the other with limited capacity is only available on the weekends. You'll also want the ZoneHVAC:EquipmentList to list both pieces of equipment and can use the SequentialLoad load distribution scheme.

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Asked: 2019-02-27 14:29:09 -0500

Seen: 23 times

Last updated: Feb 27