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Open Studio: Gas-Fired Burner

Open Studio: I am trying to model a gas-fired "plug-load" on the load tab to represent a kitchen burner.

When I manually size my system, my values are off by an order of magnitude, and I am uncertain as to why. I am using default schedules created by NREL, and comparing my values to CEUS and RECs. I get reasonable results when I reduce my manually sized values by an order of magnitude.

For example, when I set a gas-fired burner to 9500 BTU/h (2784 W) as a gas load, the interior gas-fired equipment yields: 169.4 MBtu But when I reduce it to 278.4 W, it yields: 16.9 MBtu