"Peak Flow Rate" values do not "stick" after changed

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Hello all

I´m trying to insert 80 liters per day DHW (domestic hot water) consumption (Portuguese regulation stuff, OpenStudio 1.6.0, E+ 8.2)

I am trying to change the peak flow rate on the shower and sink (2x) to 0.000111 x 60s x 60mn, and this would go up to 79.9 liters (In OpenStudio it is located under Loads / Water Use Consumption / Water Fixtures / peak flow rate)

Yes, I saw the video on the water heating systems, it works, but actually the value in "Peak Flow Rate" does not "stick" there, and a newly created one stays at zero.

I tried in another computer and the issue persists: is it only me or this model? I tried altering in Energyplus 8.2, which is easy, but when I import I loose the corrected values, as the systems are lost.

Can someone give it a try to check if it is a bug before reporting? Or any alternatives to make it work?

Thanks in advance.

I haven't 100% ruled out a bug, but I tested this by modifying a WaterUseDefinition and exporting the idf. What was inserted in the IDF was correct. Then I closed the model and reopened and my modified value was still there. Can you provide any additional insight into your process that might help reproduce?

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Kyle Benne

answered 2015-03-30 08:03:09 -0500

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Sorry for taking so long to reply, I thought I would receive an email and I was reading on all other people questions... It is right there, but maybe it is a specific file issue?

I can send you the file (don´t exactly know how). The strange thing is that I can do that change in a 32b system, but the the file gets crazy. Is there a difference also in the .osm file between 32 and 64b versions?

nelson brito (2015-03-31 12:25:02 -0500) edit

Hmm.. this is interesting that there may be a difference in behavior between 32 bit and 64 bit flavors. Seems unlikely but I wouldn't rule it out. You are welcome to send a file through something like drop box and I'll take a look. When you say the file get crazy, what exactly do you mean?