[Equest-users] Steam Boilers

Michael Andelman mike at andelmanlelek.com
Wed May 5 10:07:52 PDT 2010


Unfortunately you need some water flow in the loop.  If all heating is by
steam add a dummy zone with some small HW heating load.

 

Mike

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Nick Caton
Sent: Wednesday, May 05, 2010 11:56 AM
To: Katie Tuttle; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Steam Boilers

 

Hi Katie,

 

Zero experience designing/modeling steam boiler systems, but I see an option
to create a steam boiler in both the detailed and wizard modes.

 

Creating a dummy forced draft steam boiler in wizards makes a boiler/HW loop
with starting setpoints of 230F/180F, and a help file says the larger of the
two will be used - 230F looks something like a steam temperature to me, so
it appears to be a steam loop in function, if not in name...  I see a
default pump is added from the wizards - not sure whether one can remove
that without causing errors, or even if you should.  My rudimentary
understanding of steam distribution is that there is no explicit pump/fan
for circulation - the steam boiler provides the pressure?

 

I'd be very interested for someone with more experience to chime in on this!

 

~Nick

 

cid:489575314 at 22072009-0ABB

 

NICK CATON, E.I.T.

PROJECT ENGINEER

25501 west valley parkway

olathe ks 66061

direct 913 344.0036

fax 913 345.0617

Check out our new web-site @ www.smithboucher.com 

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Katie
Tuttle
Sent: Wednesday, May 05, 2010 8:44 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Steam Boilers

 

Has anyone had good luck with modeling steam boilers?  It seems odd that the
only loops that can be created are HW loops.  There's no such thing as a
steam loop in eQuest.

 

Thanks,

 

KATIE L. M. TUTTLE EI, LEEDR AP
Mechanical Designer

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Henderson Engineers, Inc.   8325 Lenexa Drive  Lenexa, KS 66214
dir 913 742 5508  tel 913 742 5000  fax 913 742 5001
<http://www.hei-eng.com/> www.hei-eng.com

 

HEI TX Registration ID #F-001236

 

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