[Equest-users] -nan Error

[omoltay at mimtarch.com]

Well, sorry to skip from problem to problem, being under time pressure
makes you dizzy :)

Actually, I thought I had solved the "capacity" warning by adding thermal
storage. Indeed, the warnings disappeared after the addition of a thermal
storage that charges and discharges from the two-pipe primary loop. But
now, I get these -nan's in the reports.

I will definitely let you know when I solve it. Nobody here knows what
even -nan stands for? (not available something??)

Thanks,



> Hmm. Okay. Well, let us know if you figure it out. I've never modeled
> thermal storage. Is the thermal storage added to your two-pipe secondary
> loops(s)? If so, maybe that causes the "capacity" warning.
>
>
> -----Original Message-----
> From: omoltay at mimtarch.com [mailto:omoltay at mimtarch.com]
> Sent: Tuesday, February 09, 2010 7:53 AM
> To: Bishop, Bill
> Subject: RE: [Equest-users] -nan Error
>
> Hi Bill,
>
> No I don't think that is the problem. I can easily bring it under 10% with
> minor changes. The -nans are there when there is boiler tank modeled as
> thermal storage, and they go away when I remove the boiler tank from the
> model.
>
> Thanks again,
>
>
>> Hmm. I have no idea. Maybe it will go away if you get your model to run
>> with fewer "outside of throttling range" hours. Did you have <10% before
>> you added thermal storage?
>>
>> ________________________________
>>
>> From: Ömer Moltay [mailto:omoltay at mimtarch.com]
>> Sent: Tuesday, February 09, 2010 7:57 AM
>> To: Bishop, Bill; equest-users at lists.onebuilding.org
>> Subject: Re: [Equest-users] -nan Error
>>
>> Hi Bill,
>>
>> Please find it attached. Thank you.
>>
>> Ömer Moltay, LEED AP
>> Mimta Ltd.
>> Hekimsuyu Cad. 559. Sk. No:39
>> 34255 Kucukkoy Istanbul Turkey
>> Tel: 90-212-617-2296
>> Fax: 90-212-617-2297
>> www.mimtarch.com
>>
>> Sürdürülebilir Binalar Blog
>> http://surdurulebilirbina.blogspot.com
>>
>> Green Building in Turkey on LinkedIn
>> http://www.linkedin.com/groups?gid=2278249
>> 	----- Original Message -----
>> 	From: Bishop, Bill <mailto:wbishop at pathfinder-ea.com>
>> 	To: Ömer Moltay <mailto:omoltay at mimtarch.com>
>> 	Sent: Tuesday, February 09, 2010 2:48 PM
>> 	Subject: RE: [Equest-users] -nan Error
>>
>> 	Ömer,
>> 	Can you post a screen shot or attach a copy of the BEPS report so we
>> know
>> what you are looking at?
>> 	Thanks,
>> 	Bill
>>
>> 	William Bishop, EIT, LEED® AP | Pathfinder Engineers & Architects LLP
>> 	Mechanical Engineer
>>
>> 	134 South Fitzhugh Street
>> 	Rochester, NY 14608
>> 	T: (585) 325-6004 Ext. 114
>> 	F: (585) 325-6005
>> 	wbishop at pathfinder-ea.com
>> 	www.pathfinder-ea.com
>> 	P Please strive to live sustainably.
>>
>> ________________________________
>>
>> 	From: equest-users-bounces at lists.onebuilding.org
>> [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Ömer
>> Moltay
>> 	Sent: Tuesday, February 09, 2010 7:45 AM
>> 	To: equest-users at lists.onebuilding.org
>> 	Subject: [Equest-users] -nan Error
>>
>> 	Hello once again,
>>
>> 	What is the meaning of the "-nan" in the BEPS report? I started
>> receiving
>> these in certain columns after adding thermal storage to my model.
>>
>> 	Thank you,
>>
>> 	Ömer Moltay, LEED AP
>> 	Mimta Ltd.
>> 	Hekimsuyu Cad. 559. Sk. No:39
>> 	34255 Kucukkoy Istanbul Turkey
>> 	Tel: 90-212-617-2296
>> 	Fax: 90-212-617-2297
>> 	www.mimtarch.com
>>
>> 	Sürdürülebilir Binalar Blog
>> 	http://surdurulebilirbina.blogspot.com
>>
>> 	Green Building in Turkey on LinkedIn
>> 	http://www.linkedin.com/groups?gid=2278249
>>
>
>
>