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[EnergyPlus_Support] Severe error: MAT setpoint
- To: EnergyPlus_Support@xxxxxxxxxxxxxxx
- Subject: [EnergyPlus_Support] Severe error: MAT setpoint
- From: "pedro_peixeiro" <ppeixeiro@xxxxxxx>
- Date: Thu, 17 Mar 2011 17:13:56 -0000
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- Delivery-date: Thu, 17 Mar 2011 11:14:11 -0600
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hello all.
Lately i've been using IdealLoadsAirSystem template to quickly control a zone temperature. I have a temperature profile i want to keep, and from there i create a heating and cooling schedule with a dT of 0.5 degrees from the temp profile. And its been working well up till today, when i got this unexpected severe error:
** Severe ** InitPurchasedAir: For ZoneHVAC:IdealLoadsAirSystem = ZMZONEHVAC:IDEALLOADSAIRSYSTEM serving Zone ZM
** ~~~ ** ..the supply air temperature for cooling [13.00] is greater than the zone cooling mean air temperature (MAT) setpoint [12.90].
** ~~~ ** ..For operative and comfort thermostat controls, the MAT setpoint is computed.
** ~~~ ** ..This error may indicate that the mean radiant temperature or another comfort factor is too warm.
** ~~~ ** Environment=FLUXO_EXT_BOTTOM, at Simulation time=04/24 03:10 - 03:20
I havent done anything diferently other than using a diferent temperature profile, and i'm not understading where the 13ºC limitation might come from. HVAC related, only have the two schedules for cooling/heating and one IdealLoadsAirSystem for the zone in question. any help in figuring this one out is very welcome, thank you.
Pedro
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