Why boilers are not modulating optimal?

asked 2019-05-25 17:39:00 -0500

s_pourm's avatar

Using OpenStudio 2.7

I have created four boilers with hard size capacities based on mechanical design, and loop operation set at optimal, Looking at the Dview resutls below, I can see the PLR for two boilers at 1, 3rd boiler at around 70% and the last one at around 0, which is not optimal.C:\fakepath\Boilers PLR.PNG

Any thought?

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