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OpenStudio Application: Turning on/off heating and cooling in specific time periods

asked 2022-04-26 02:11:53 -0500

nissaldeelaka's avatar

updated 2023-02-23 09:20:44 -0500

I am using DOE Measures to add HVAC Systems. However, I have to modify the heating and cooling schedules. In the building I'm working on heating is turned on from 01/01-03/31, 09/01-12/31, and turned off from 04/01-08/31. And cooling is the opposite where turned off from 01/01-03/31, 09/01-12/31 and turned on from 04/01-08/31.

Right now I set up the temperature schedule for heating using two priority dates (01/01-03/31 and 09/01-12/31) and the default value below the summer design day temperature. The cooling temperature schedule uses one priority date (04/01-08/31) and the default value above the winter design day temperature. However, the model still turns on cooling during winter and heating during summer. These values are really small but I would like them to be completely shut off. How do I do this?

Hope the question is not confusing. Thank you in advance.

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What are your Plant HVAC and Zone HVAC types?

Luis Lara's avatar Luis Lara  ( 2022-04-26 10:38:10 -0500 )edit

As I mentioned I added them using DOE Measures. It is a VAV air-cooled chiller with a gas boiler setup

nissaldeelaka's avatar nissaldeelaka  ( 2022-04-28 16:37:28 -0500 )edit

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answered 2022-04-26 02:32:03 -0500

updated 2022-04-29 02:04:26 -0500

Try to turn off the systems that supply the heating/cooling. For eg loops can have an AvailabilityManager:Scheduled.

For ZoneHVAC objects, there is often an "Availability Schedule" which serves the same purpose.

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I'll try this. Thanks

nissaldeelaka's avatar nissaldeelaka  ( 2022-04-28 16:38:30 -0500 )edit

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Asked: 2022-04-26 02:11:53 -0500

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Last updated: Apr 29 '22