[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [EnergyPlus_Support] Condensing boiler curve question
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/
------------------------------------
Posted by: Richard Raustad <rraustad@xxxxxxxxxxxx>
------------------------------------
EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
The EnergyPlus web site is found at:
http://www.energyplus.net/
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
Attachments are currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
------------------------------------
Yahoo Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/EnergyPlus_Support/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/EnergyPlus_Support/join
(Yahoo! ID required)
<*> To change settings via email:
EnergyPlus_Support-digest@xxxxxxxxxxxxxxx
EnergyPlus_Support-fullfeatured@xxxxxxxxxxxxxxx
<*> To unsubscribe from this group, send an email to:
EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx
<*> Your use of Yahoo Groups is subject to:
https://info.yahoo.com/legal/us/yahoo/utos/terms/