DualSetPointWithDeadBand error for two windows in the same wall

asked 2017-05-11 02:25:46 -0600

Samin gravatar image

updated 2017-05-11 14:14:29 -0600

Hi All,

I have a simple one-zone geometry and I am using AirflowNetwork and IdealLoadAirSystem. For the air flow network I use “surface average calculation” for wind pressure coefficient. I have two windows in one wall in my main model. When I add only one window to “AirFlowNwtwork:Multizone:Surface” the simulation goes well, but when I add the second window in the same wall I get this error: Severe * DualSetPointWithDeadBand: Unanticipated combination of heating and cooling loads - report to EnergyPlus Development Team * ~~~ * occurs in Zone=ZONE ONE During Warmup & Sizing, Environment=SYDNEY WINTER, at Simulation time=01/21 00:00 - 00:10 * ~~~ * LoadToHeatingSetPoint=NAN, LoadToCoolingSetPoint=NAN * ~~~ * Zone Heating Set-point=21.00 * ~~~ * Zone Cooling Set-point=24.00 * ~~~ * Zone TempDepZnLd=NAN * ~~~ * Zone TempIndZnLd=NAN * ~~~ * Zone ThermostatSetPoint=0.00 * Fatal ** Program terminates due to above conditions.

Any ideas what the problem is? I had a look at this post (https://unmethours.com/question/18510...), but could not find the answer. Thanks, Samin

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