Is there a way to report the design capacities derived from the Energy Plus model rather than just the standard ARI capacities?

asked 2016-07-06 08:20:53 -0500

mulforel
31 ●1

updated 2016-07-06 12:36:40 -0500

__AmirRoth__

4436 ●5 ●17 http://bleedinggreenna...

I'm still very new at working with EnergyPlus but I have been trying to find a way to report the design capacities. Since we input parameters (but not explicitly the design capacity) and the results report only the standard ARI capacities, I would like to verify the design capacities of each HVAC system. Can i determine the design capacities using EnergyPlus documentation in as report output option?

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answered 2016-07-07 05:08:37 -0500

Jim Dirkes
3424 ●25 ●15

I'm not sure what you mean by "design capacity", so the following information may not answer your question, but I'll do my best with an assumed definition..
EnergyPlus does allow you to enter the design capacity for DX coils ("Gross Rated Total Cooling Capacity" and "Gross Rated Sensible Heat Ratio" fields in the DX coil object)
If you autosize the capacity, it will display that capacity in the Equipment Summary report.
E+ - distinguishes between "Nominal" capacity and "Rated" capacity in the Equipment Summary report. "Rated" is the capacity at the AHRI test conditions. "Nominal" is the capacity needed by the coil to produce the "rated" capacity PLUS the additional load imposed by the fan energy.
E+ also distinguishes between the "Calculated" and "User" loads. "Calculated" is the load E+ determines in its sizing calculations. "User" is "Calculated" x the Sizing Factors that you have defined in Sizing:Parameter, Sizing:Zone or Sizing:System

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Is there a way to report the design capacities derived from the Energy Plus model rather than just the standard ARI capacities?

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Is there a way to report the design capacities derived from the Energy Plus model rather than just the standard ARI capacities?