[Equest-users] Boiler on GSHP Loop

[Otto Schwieterman]

In addition to this, you can create a load management to control when
the boilers will be used for heating instead of the geothermal loop.
This works well if you know the capacity of the geothermal loop.

 

From: Anthony Hardman [mailto:Anthony at GreenEngineer.com] 
Sent: Thursday, January 06, 2011 4:19 PM
To: 'Matthew W. Higgins'; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Boiler on GSHP Loop

 

You can go to the circulation loop attached to the GHEX and create an
artificial boiler load under the  "Process/DHW Loads" tab.  You'll have
to account for your fuel consumption separately but you'll at least be
able to see how the artificial boiler loads impact the ground loop
temperature.  

 

My two cents: I'd place the boiler upstream of the heat pumps and
wouldn't try to warm the ground above its' undisturbed temperature.  

 

Anthony Hardman, PE

LEED AP BD&C

Building Performance Analyst

 

THE GREEN ENGINEER, LLP

Sustainable Design Consulting - Energy Modeling - LEED Project
Management 

50 Beharrell St

Concord, MA 01742

O: 978/610-2801

C: 720/840-7862

 

  <http://www.greenengineer.com/>  
<http://www.linkedin.com/in/ahardman81>  
<http://twitter.com/#!/a_Hardman> 

 

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Matthew
W. Higgins
Sent: Thursday, January 06, 2011 12:44 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Boiler on GSHP Loop

 

I'm trying to simulate the energy consequences of adding a boiler to the
ground loop for a cold climate, but eQuest does not allow this
application. Are there any ideas on how to fake it?

 

We're effectively trying to warm the ground because the average
undisturbed ground temperature is so low.

 

Much thanks

 

Matthew Higgins, ASHRAE-HBDP, LEED-AP

Energy Engineer

 

Bridgers & Paxton Consulting Engineers, Inc.

4600-C Montgomery Blvd. NE

Albuquerque, NM  87109

505-883-4111

505-888-1436  Fax

mwhiggins at bpce.com 

 

www.bpce.com

 


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