[Equest-users] WSHPs in eQUEST

[Carol Gardner]

Hi Ben,

I agree with Nick. Also, if you have to bill match at all, which you might
since this is an existing building, it is always easier to model the
building as close to the design as you can.

Best,

Carol

On Wed, Jun 1, 2011 at 7:54 AM, Nick Caton <ncaton at smithboucher.com> wrote:

>  Hi Ben,
>
>
>
> If you want the quantity/capacities of your modeled systems to match the
> scheduled equipment, you should match the actual zoning.
>
>
>
> Combining zones pretty much requires combining systems, as far as I know...
> this is a by-product of the “1 system per zone” rule for DOE2.
>
>
>
> “Too large” is relative – you could explain the system is an
> approximation/sum of multiple heat pumps working together… but if you are
> documenting the model extensively (i.e. LEED), you may find it less work in
> the long haul to invest some extra time setting up the zoning geometries
> accurately to start.  That’s my standard practice for heavily documented
> projects.
>
>
>
> ~Nick
>
> [image: cid:489575314 at 22072009-0ABB]**
>
> * *
>
> *NICK CATON, E.I.T.***
>
> PROJECT ENGINEER
>
> Smith & Boucher Engineers
>
> 25501 west valley parkway
>
> 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 *Ben Pressman
> *Sent:* Wednesday, June 01, 2011 8:49 AM
> *To:* bldg-sim; equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] WSHPs in eQUEST
>
>
>
> Greetings everyone,
>
> I am relatively new to this list, and have been using eQUEST for only about
> a year. I am modeling a 3-story office building with water-loop heat pumps,
> but information from the building owner, architect, and engineer are very
> limited.
>
>
>
> The WSHPs are single-zone (as far as I know) and there are tons of them. In
> eQUEST, do I have to create a separate zone for each one? If I make larger
> zones (eg. grouping together perimeter offices), it creates heat pumps that
> are too large. Is there any way to simplify the zoning and retain the proper
> heat pump size and number?
>
>
>
> Ben Pressman, EIT, BESA
>
> *Project Engineer*
>
> * *
>
> Practical Energy Solutions
>
> 770 e. market street, suite 250
>
> west chester, pa   19382
>
> ph: 610.430.1382
>
> fax: 610.430.1375
>
> cell: 610.733.9518
>
> web: *http://www.practicalenergy.net*
>
>
>
>
>
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-- 
Carol Gardner PE
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