Warning: ECONO-LOW-LIMIT = *UNUSED*

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I am working with a model and am working with the following warning whenever
it runs the BDL Load File Log

Line 1336: Warning Encountered:
INPUT-TYPE COEFFICIENTS ..
ECONO-LOW-LIMIT = *UNUSED*

Any ideas?

--
Adrian Gurga

Adrian Gurga's picture
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Only to input the temperature and to look at your help screen. This is
something you really should be able to figure out yourself. If you can't try
another profession.

Carol

cmg750's picture
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Go Dr. House!

Eric Johnson's picture
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You think your S**T don't Stink. You know everything right?

Please respect people who are trying to gain knowledge.

Syed Mohsin Abidi's picture
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Carol,

With all due respect, "Only to input the temperature and to look at your
help screen." is not a complete sentence. Please reply using English if
you'd like to post on a listserv. If you have advice on how to address this
warning, please provide it. Additionally, "Flaming" (
http://www.urbandictionary.com/define.php?term=flaming) is a behavior
typically reserved for prepubescents on chat forums, not professional
listservs. Please show some professional courtesy in your responses. Now,
let's move forward amicably and discuss the actual topic of the post.

All,

We all know that as eQUEST is free software, it has very poor technical
support which is why listservs like this exist. Here is the research I've
done so far. Inputting a seach for "econo-low-limit" or even just "econo"
in the eQUEST helpfile produces no results. Are there "pull down help
menus" which discuss this topic as Carol suggests? If so, please direct me
to them. Googling "econo-low-limit" produces one relevent hit other than
this listserv, a user poses the same question I have, but is issue is never
resolved (http://www.energymodelhelp.com/SMF/index.php?topic=107.0 ). A
search of "econo-low-limit" on this listserv will yield five results. In
four of these, "econo-low-limit" is simply listed as an input, in the fifth,
it is suggested as a way of manipulating the model. However, I cannot find
anywhere on this listserv where the warning "econo-low-limit" = unused has
been discussed. Therefore, I assume it's a reasonable to post and and I
hope it will be helpful to future users.

I can't figure out where to specify an econo-low-limit in the DD wizard, if
I need to go into the detailed edit to address this, please let me know
where that variable is edited. I have attempted to edit the files manually
in notepad to specify an econo-low-limit, so far have had no luck, but
truthfully I'm not too experienced with manual edits. If anyone could
provide some assistance with where to edit this parameter, it would be
appreciated. Alternatively, if this warning does not have detrimental
impact on the outputs, I will just ignore it.

Thanks for your thoughts and comments.

--
Adrian Gurga

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See below. Also, the technical support isn't "very poor", it's just
that the people working on technical issues are actually programmers.
It's up to us to figure out how to use it properly.

James Hansen, PE, LEED AP

James Hansen's picture
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Excellent. Thanks James. And yes, it's up to us to figure out how to use
it, which I think qualifies as "no support". I'm sure the programmers
responsible for the software are perfectly competent, and I did not mean to
suggest otherwise. I suppose what I really meant to say was that the
software has no customer support, which is understandable because it's free.

Now back to the model. So one would have to go into the detailed mode in
order to change this parameter? If one was to work with a model only via
the DD wizard as we sometimes do for order of magnitude estimates, would it
be OK to leave ecnono-low-limit unused? or would this result in inaccurate
results?

Adrian Gurga's picture
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Nicely put Adrian. Carol seems to think that she can determine what the users
of this forum 'need' to do before submitting a post.

I think we should abide by the rules set forward by Jason Glazer, the
administrator. Of course, anyone who feels that they are too experienced to
politely respond to basic questions are free to start their own forum.

Paul Diglio

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I would tweak it in the detailed edit mode because it is very unlikely
that you can get good results by simply using the wizard. There are too
many major variables that you cannot change in the wizard. You might as
well pick the cost/energy consumption via experience if you are not
going to go into the detailed edit mode.

If you simply need eQUEST to spit something out so you have results to
show I would ignore the econo-low-limit but remember that the results
mean nothing.

Otto Schwieterman's picture
Joined: 2011-09-30
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Chris,

I understand. For some reason it appears that the wizards will sometimes
generates a DOE2 input which doesn't include the econo-low-limit line and
thereby generates a warning. I'm not sure what causes this to happen, but as
long as the model runs without it, I won't bother. Thanks for direction to
the DOE2 definitions file, that's the one I was looking for. It describes in
detail what econo-low-limit is used for and it probably isn't relevant to my
purposes. I think we can call this case closed.

Adrian Gurga's picture
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If you have an economizer you had better put the econo-low-limit temperature
in. It is necessary. You can access help screens in DD edit also. Once again
I encourage you to read the on line help using the pull down menu. I do
believe econo-low-limit temp is available in the wizards too.

cmg750's picture
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While unnecessarily caustic a rebuke to act as a professional (Not abusing
someone's valuable time when you could have read or found out the
information on your own) does not impede anyone from gaining knowledge. I
would argue that in fact it increases your knowledge level and perhaps
increases your skill at articulating questions you want answered.

Although I am not an energy modeler I do gain valuable insight (and I also
screen people who will receive RFP's from me) from reading the various
questions; so thank you to all who take the time to share your experience
and knowledge.

Try to be nice to others.

Eric Johnson's picture
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*UNUSED* means the system you choose doesn't use the ECONO-LOW-LIMIT
keyword. Therefore, adding a value to the keyword will not make any
difference to the results.
You can get a great, detailed overview of all the keywords and where
they apply if you spend some time going through
BDLKEY.OUT. Unfortunately, the equest interface allows you to
quickly generate a model before you have any understanding of the
underlying DOE22 engine and the myriad of keywords that equest
assumes you need to use.

Chris Jones's picture
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BDLKEY.bin is the binary record file of
BDLKEY.out - a text file. I can't find where/if
equest installs this file. It is installed when
you install DOE2.2 (command line version). I zipped it, attached.

Chris Jones's picture
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