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Error in Beopt 2.8 when running ASHP in cold climate

asked 2018-11-10 22:10:30 -0600

lolo gravatar image

updated 2018-11-12 13:25:51 -0600

11/10/2018 8:41 PM: 092.xml: Error: * Fatal * Program terminates due to above conditions. 11/10/2018 8:41 PM: 094.xml: Error: * Severe * DualSetPointWithDeadBand: Unanticipated combination of heating and cooling loads - report to EnergyPlus Development Team 11/10/2018 8:41 PM: 094.xml: Error: * ~~~ * occurs in Zone=FINISHEDBASEMENT_1 During Warmup, Environment=PLANT DD, at Simulation time=01/01 00:00 - 01:00 11/10/2018 8:41 PM: 094.xml: Error: * ~~~ * LoadToHeatingSetPoint=NAN, LoadToCoolingSetPoint=NAN 11/10/2018 8:41 PM: 094.xml: Error: * ~~~ * Zone Heating Set-point=21.67 11/10/2018 8:41 PM: 094.xml: Error: * ~~~ * Zone Cooling Set-point=24.44 11/10/2018 8:41 PM: 094.xml: Error: * ~~~ * Zone TempDepZnLd=209.18 11/10/2018 8:41 PM: 094.xml: Error: * ~~~ * Zone TempIndZnLd=NAN 11/10/2018 8:41 PM: 094.xml: Error: * ~~~ * Zone ThermostatSetPoint=0.00

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answered 2018-11-12 11:33:14 -0600

This is caused by an EnergyPlus bug in the Kiva foundation model that was fairly recently fixed for EnergyPlus v9. We don't yet have a release of BEopt that includes the new EnergyPlus version.

For the time being, the only workaround is to grab the EnergyPlus IDF from BEopt, transition it to EnergyPlus v9, and run the file manually in EnergyPlus.

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Asked: 2018-11-10 22:10:30 -0600

Seen: 112 times

Last updated: Nov 12