[Equest-users] Heat exchanger AHU has inconsistent design parameters

Dillon Morgan Dillon.Morgan at esdaz.com
Mon Jan 19 07:01:49 PST 2015


Bruce,

Thank you for helping me out. What should I do to fix this issue?

Thanks,
Dillon Morgan
Mechanical Designer

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From: Bruce Easterbrook [mailto:bruce5 at bellnet.ca]
Sent: Monday, January 19, 2015 7:44 AM
To: Dillon Morgan; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Heat exchanger AHU has inconsistent design parameters

You have no flow through one side of your heat exchangers.  One #1 you have 222 BTU/hr on the 20 gpm side and 461,067 BTU/hr on the other side and it looks like you have a 105,000 BTU/hr heat exchanger.
Bruce Easterbrook P.Eng.
Abode Engineering
On 16/01/2015 01:34 PM, Dillon Morgan wrote:
Hello,

I have looked on through the archives and cannot seem to find an answer for this error. Any help would be appreciated! I am getting this error on every AHU and cannot seem to figure it out. Thank you for your time.


***ERROR***********************************************************************
             Heat-Exchanger: AHU-1                            has inconsistent
             design parameters:
              QhxDesign   SupFlow     SupTi     SupTo
                104229.       20.      44.0      54.3
                          DemFlow     DemTi     DemTo
                          177881.      54.0      51.6

***ERROR***********************************************************************
             Heat-Exchanger: AHU-3                            has inconsistent
             design parameters:
              QhxDesign   SupFlow     SupTi     SupTo
                123175.       24.      44.0      54.3
                          DemFlow     DemTi     DemTo
                          210215.      54.0      51.6

***ERROR***********************************************************************
             Heat-Exchanger: AHU-4                            has inconsistent
             design parameters:
              QhxDesign   SupFlow     SupTi     SupTo
                 15542.        3.      44.0      54.3
                          DemFlow     DemTi     DemTo
                           26525.      54.0      51.6

Thanks,
Dillon Morgan
Mechanical Designer





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