[Equest-users] eQuest - Electricity consumption for cooling in winter

[František Bartoš]

Forgot the attachment, so here it is.

F.

*František Bartoš*
Energetika a certifikace budov
Enerfis s.r.o.

Tel.: +420 222 766 952
Fax: +420 222 766 959
Mob: +420 607 965 265
E-mail: bartos at enerfis.cz <mailto:bartos at enerfis.cz>


Dne 15. 11. 2013 14:37, František Bartoš napsal(a):
> You´re right that we didnt define server room as a distinct zone. This 
> model is for LEED precertification and the documentation is in very 
> early stage so we don´t know positions and sizes of these rooms. Thats 
> why I thought it would be enough to add expectation of percentage of 
> floor area to zone description.
>
> We just need to be sure to get 28% improvement of proposed building 
> against baseline building.
>
> I´m sending files from equest so you can look at it. Floor plan is in 
> file "pokus002.dxf".
>
> I´m using eQuest 3.65. Thanks for advice.
>
> Best Regards
>
> F.Bartos
>
> *František Bartoš*
> Energetika a certifikace budov
> Enerfis s.r.o.
>
> Tel.: +420 222 766 952
> Fax: +420 222 766 959
> Mob: +420 607 965 265
> E-mail: bartos at enerfis.cz <mailto:bartos at enerfis.cz>
>
>
> Dne 14. 11. 2013 18:19, Nick Caton napsal(a):
>>
>> Hi Frantisek,
>>
>> A few shotgun thoughts:
>>
>> ·Does that space have unmet hours (see airside tab summary report 
>> after a simulation)?
>>
>> ·Does the corresponding zone have a cooling thermostat schedule?  Not 
>> defining one means the zone won’t call for cooling.
>>
>> ·Is the zone defined as “conditioned” and not “unconditioned” or 
>> “plenum?”
>>
>> ·Are the other spaces sucking all the internal heat gains out through 
>> the partitions?
>>
>> ·Is there exterior exposure (envelope) incident on the space doing 
>> the same?
>>
>> This all assumes you’ve actually defined your computer server room as 
>> a distinct zone… If you only defined a percentage activity allocation 
>> for the server area within a larger zone (in wizards), your model 
>> likely isn’t detailed enough to capture a simultaneous call for 
>> heating and cooling between the different zones/systems.
>>
>> If none of this helps, you might consider uploading your files to the 
>> mailing list to allow others to take a look.  I suggest doing a File 
>> àSave As… into a new directory, then attaching the few files 
>> resulting.  Also be mindful to specify which version of eQuest you’re 
>> using.
>>
>> Best of luck!
>>
>> ~Nick
>>
>> cid:489575314 at 22072009-0ABB**
>>
>> **
>>
>> *NICK CATON, P.E.*
>>
>> SENIOR ENGINEER
>>
>> Smith & Boucher Engineers
>>
>> 25501 west valley parkway, suite 200
>>
>> olathe, ks 66061
>>
>> direct 913.344.0036
>>
>> fax 913.345.0617
>>
>> www.smithboucher.com__
>>
>> *From:*equest-users-bounces at lists.onebuilding.org 
>> [mailto:equest-users-bounces at lists.onebuilding.org] *On Behalf Of 
>> *František Bartoš
>> *Sent:* Thursday, November 14, 2013 10:19 AM
>> *To:* equest-users at lists.onebuilding.org
>> *Subject:* [Equest-users] eQuest - Electricity consumption for 
>> cooling in winter
>>
>> Hello,
>>
>> I have a question about eQuest modeling - I created a model of quite 
>> simple rectangle Office building, but in results I have no 
>> consumption of electricity for cooling during winter (november - 
>> march) although in area specification I have 6 % of floor area 
>> specified as a Computer server room (data centre) with 100 % plug 
>> load in occupied and unoccupied times.
>>
>> The building is in Prague (Czech republic) and from my experiences 
>> based on real dates from existing building there´s always consumption 
>> of cooling energy for data server rooms in winter in this location.
>>
>> Do you know,  where the problem can? What parameter could I insert 
>> wrongly?
>>
>> Thanks for advices.
>>
>> Frantisek
>>
>> -- 
>> *František Bartoš*
>> Energetika a certifikace budov
>> Enerfis s.r.o.
>>
>> Tel.: +420 222 766 952
>> Fax: +420 222 766 959
>> Mob: +420 607 965 265
>> E-mail: bartos at enerfis.cz <mailto:bartos at enerfis.cz>
>>
>

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