[Equest-users] Hybrid Geothermal Systems using eQUEST

James Kowalski jkowalski at cesct.com
Thu Sep 17 07:43:05 PDT 2009

Short answer is no I have not received suggestions regarding my question below.

From: Otto Schwieterman <oschwieterman at fhai.com>
To: James Kowalski; equest-users at lists.onebuilding.org <equest-users at lists.onebuilding.org>
Sent: Thu Sep 17 09:53:27 2009
Subject: Re: Hybrid Geothermal Systems using eQUEST

James and fellow eQUEST users, have you found an answer or suggestions about how to model this situation?



I am using eQuest v6.2 and receive a zero design condenser water pump flow error on my model of a hybrid closed loop ground coupled vertical bore system with integral closed cell cooling tower attached to a water to water heat pump serving four pipe fan coil units.  I have been able to set up the same using a surface water with cooling tower but receive errors in zero design flow in my condenser water pumps.  I am using the detailed editor and have confirmed that design flow is specified in each of the pumps attached both on the load and source side of the water to water heat pumps.

Has anyone been able to successfully run water to water heat pumps with closed loop bores?  If so, have you been able to attached a closed cell cooling tower to it?  I appreciate any and all guidance and thank you in advance.

James Kowalski

James Kowalski, PE, CGD

LEED(r) Accredited Professional

Consulting Engineering Services, Inc.

811 Middle Street

Middletown, Connecticut  06457

Phone: 860.632.1682

Fax: 860.632.1768

Cell: 860.982.6863

Email: jkowalski at cesct.com<http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org>

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