[Equest-users] WSHP(Heating HW loop has zero design flow) vs PVVT, PSZ, etc

[Robby Oylear]

To be more specific regarding Brian's advice, the choice of the condenser
water loop is made under Air-Side HVAC > System > Cooling > Condenser >
CONDENSER-TYPE.

It's a little counter-intuitive for a heating system like a WSHP to assign
this under the Cooling tab..

-Robby

On Mon, Jul 16, 2012 at 2:27 PM, Nikola Kravik <NKravik at willdan.com> wrote:

> Brian, thank you for your valuable input.****
>
> The loop switch fixed the hhw loop error...****
>
> ** **
>
> Best,****
>
> Nikola****
>
> ** **
>
> Nikola Kravik, LEED AP [image: Description:
> cid:image001.gif at 01CB9AE0.30118F00]
> Project Engineer****
>
>
> *Willdan Energy Solutions*
>
> 6130 Stoneridge Mall Road, Suite 380
> Pleasanton, CA 94588****
>
> T. 925.416.4200 ext. 1228
> D. 925.416.4228 ****
>
> C. 925.719.5883
> F. 925.737.0174****
>
> nkravik at willdan.com
> www.willdan.com/energy****
>
> ** **
>
> [image: WD_tagend_300rgb]****
>
> ** **
>
> *From:* Brian Fountain [mailto:bfountain at greensim.com]
> *Sent:* Monday, July 16, 2012 1:07 PM
> *To:* Nikola Kravik; equest-users at lists.onebuilding.org
> *Subject:* RE: [Equest-users] WSHP(Heating HW loop has zero design flow)
> vs PVVT, PSZ, etc****
>
> ** **
>
> Change your condenser loop type from condenser to water source heat pump.
> That will allow you to put both your boilers and your cooling tower on the
> same loop.  Then delete the hot water loop as it is not used in the model.
> ****
>
> ** **
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *Nikola Kravik
> *Sent:* Monday, July 16, 2012 3:23 PM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] WSHP(Heating HW loop has zero design flow) vs
> PVVT, PSZ, etc****
>
> ** **
>
> Hi,****
>
> ** **
>
> I’m trying to model WSHP’s served by Closed circuit Fluid Cooler and
> Boiler.****
>
> I get the below error if I use WSHP; I****
>
> ** **
>
> I read the users archive from Bill Bishop, Umesh and others  about WSHP
> approximations to PVVT or PSZ but when trying to run simulation it still
> kicks me out saying “zero design on the hhw loop” anything I’m missing?***
> *
>
> ** **
>
> Thanks,****
>
> Nikola****
>
> ** **
>
> ** **
>
> ** **
>
> ** **
>
> ****
>
> ** **
>
> ** **
>
> ** **
>
> ** **
>
> ** **
>
> Nikola Kravik, LEED AP [image: Description:
> cid:image001.gif at 01CB9AE0.30118F00]
> Project Engineer****
>
>
> *Willdan Energy Solutions*
>
> 6130 Stoneridge Mall Road, Suite 380
> Pleasanton, CA 94588****
>
> T. 925.416.4200 ext. 1228
> D. 925.416.4228 ****
>
> C. 925.719.5883
> F. 925.737.0174****
>
> nkravik at willdan.com
> www.willdan.com/energy****
>
> ** **
>
> [image: WD_tagend_300rgb]****
>
> ** **
>
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