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ZoneHVAC:IdealLoadsAirSystem results in zero under source electricty cooling

asked 2022-03-10 11:54:26 -0500

Val G's avatar

updated 2022-03-10 14:25:45 -0500

I have just started working with honeybee. I had not selected any HVAC system for my model. However, the energy simulation CSV result file shows value under End Uses- district cooling (KWh) as a non- null value. Further, even if I consider that the default HVAC system is set to ideal air load system (is it so?), why is the value for electricity corresponding to district cooling under end uses zero?

Please suggest!

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answered 2022-03-10 15:38:02 -0500

The ZoneHVAC:IdealLoadsAirSystem always reports to the Discrict Cooling and Heating report. Since this is an ideal air system there is no electricity or fuel use, only energy transfer.

    SetupOutputVariable(state,on
                        "Zone Ideal Loads Supply Air Total Heating Energy",
                        OutputProcessor::Unit::J,
                        PurchAir(PurchAirNum).TotHeatEnergy,
                        "System",
                        "Sum",
                        PurchAir(PurchAirNum).Name,
                        _,
                        "DISTRICTHEATING",
                        "Heating",
                        _,
                        "System");

    SetupOutputVariable(state,
                        "Zone Ideal Loads Supply Air Total Cooling Energy",
                        OutputProcessor::Unit::J,
                        PurchAir(PurchAirNum).TotCoolEnergy,
                        "System",
                        "Sum",
                        PurchAir(PurchAirNum).Name,
                        _,
                        "DISTRICTCOOLING",
                        "Cooling",
                        _,
                        "System");
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@rraustad, Thank you for the response!

Val G's avatar Val G  ( 2022-03-13 12:42:15 -0500 )edit

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Asked: 2022-03-10 11:54:26 -0500

Seen: 110 times

Last updated: Mar 13