[Hap-users] Hap-users Digest, Vol 58, Issue 1

Aaron Smith asmith at mreng.ca
Wed May 6 10:01:39 PDT 2015

Hi Khaled,


You define the pumps when you build your chilled water plant.  In the plant
window, select the "Distribution" tab and then under Distribution System,
there is a drop down menu with three options; (1) Primary Only, Constant
Speed, (2) Primary only, Variable Speed and (3) Primary/Secondary, Variable
Speed Secondary.  I've attached a screen shot.







Aaron Smith, P.Eng


M&R Engineering Ltd.


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Today's Topics:


   1. VFDs modeling for Pumps (Khaled Fouda)





Message: 1

Date: Tue, 5 May 2015 17:00:09 +0000

From: Khaled Fouda < <mailto:KFouda at nrg-concepts.com>
KFouda at nrg-concepts.com>

To: " <mailto:hap-users at onebuilding.org> hap-users at onebuilding.org" <
<mailto:hap-users at onebuilding.org> hap-users at onebuilding.org>

Subject: [Hap-users] VFDs modeling for Pumps


<mailto:CD4940E58D513A4696EF1648CFA62F551B7F4ED4 at IEC-SBS2011.ieceng.local>
CD4940E58D513A4696EF1648CFA62F551B7F4ED4 at IEC-SBS2011.ieceng.local>

Content-Type: text/plain; charset="us-ascii"


Hi Hap Users,


I am working on a simple project with an absorber chiller and 2-pipe FCU
systems. I have a problem to understand to the calculation process of the
pump powers! I am not quite sure where in the model I can include the VFDs
on my chilled water pumps to claim saving on that.


Please help with that if you have an answer.


Best Regards,

Khaled Fouda

Integrated Energy Concepts Engineering, P.C.


Rochester Office:

3445 Winton Place, Suite 102

Rochester, New York 14623

Phone:    585-272-4650 ext.29

Toll Free: 866-666-4626

eFax:      718-228-5154


***Effective April 27th our address is:

3445 Winton Place, Suite 240, Rochester, NY 14623***


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