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Re: [EnergyPlus_Support] Condensing boiler curve question
Thank you Richard.
Quoting "Richard Raustad RRaustad@xxxxxxxxxxxx [EnergyPlus_Support]"
<EnergyPlus_Support@xxxxxxxxxxxxxxx>:
> To be complete, the first performance curve in Boilers.idf uses
> EnteringBoiler, the second uses LeavingBoiler, and the last 3 don't care
> since they are a function of PLR only. I have updated Boilers.idf to
> reflect this missing piece of information.
>
> On 2/9/2017 10:43 AM, Chris Jones cj@xxxxxxxxxxx [EnergyPlus_Support] wrote:
>> The EnergyPlus installation includes the Boilers.idf file in the
>> Datasets directory. This file includes a Biquadratic, condensing
>> boiler curve. What isn’t clear is if this curve is based on the boiler
>> Entering or Leaving temperature.
>>
>> The reference for this curve is from Viessmann and all the Viessmann
>> condensing boiler literature I have reviewed states the boiler
>> efficiency is dependent on system heating water return temperature.
>>
>> Should I specify Entering or Leaving when using this curve?
>>
>> Thanks for your assistance!
>
> --
> Richard Raustad
> Florida Solar Energy Center
> 1679 Clearlake Road
> Cocoa, FL 32922
> Ph: (321)638-1454
> http://www.fsec.ucf.edu/en/
>
> Program Director
> Electric Vehicle Transportation Center
> http://evtc.fsec.ucf.edu/
--
Chris Jones
14 Oneida Avenue
Toronto, ON M5J 2E3
416-697-0056
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Posted by: Chris Jones <cj@xxxxxxxxxxx>
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