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Re:[EnergyPlus_Support] Unanticipated Error of Dual Set Point with Deadband



Dear Ali,
I met this error these days. This error only occurs when using HVAC template.
I found that the reason is the cooling or heating capacity is smaller than the demand. Try to enlarge the cooling or heating capacity to see the result.
BTW, you may also need to check other inputs. For example, I set the chiller cooling setpoint at "on", it will also lead to this error. After delete it, the result becomes normal.
 
Xing


At 2012-09-12 10:06:07,Ali_Ajmi <ajmi70kw@xxxxxxxxxxx> wrote:
 

Dear All,

I got severe error below on one of the zone although the other zones has the same setting. Could any one kindly advise.

   ** Severe  ** DualSetPointWithDeadBand: Unanticipated combination of heating and cooling loads - report to EnergyPlus Development Team
   **   ~~~   ** occurs in Zone=BASEMENT02:B2%PLANTROOMS During Warmup & Sizing, Environment=SUMMER DESIGN DAY IN KUWAIT INTERNATIONAL AIRPORT TERMINAL II, at Simulation time=07/15 09:01 - 09:02
   **   ~~~   ** LoadToHeatingSetPoint=NAN, LoadToCoolingSetPoint=NAN
   **   ~~~   ** Zone Heating Set-point=22.00
   **   ~~~   ** Zone Cooling Set-point=24.00
   **   ~~~   ** Zone TempDepZnLd=NAN
   **   ~~~   ** Zone TempIndZnLd=NAN
   **   ~~~   ** Zone ThermostatSetPoint=0.00
   **   ~~~   ** Zone HeatingSetPointOffset=0.00
   **   ~~~   ** Zone CoolingSetPointOffset=0.00
   **  Fatal  ** Program terminates due to above conditions.

Regards
Ali




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