[Equest-users] Steam Heating plus Domestic

[Paul Diglio]

Dane:

Create a second steam meter and assign the DHW loop to this meter.

Paul Diglio




________________________________
From: Dane Heimerman <daneh at mlnai.com>
To: equest-users at lists.onebuilding.org
Sent: Thu, October 28, 2010 1:53:01 PM
Subject: [Equest-users] Steam Heating plus Domestic

Hi there,
I'm trying to model an old building with an one-pipe steam heating system. One 
unique thing about the system is that a heat exchanger in the steam boiler heats 
a storage tank for domestic hot water. I haven't found a way to connect the 
domestic loop to the steam boiler to prove how inefficient this system is. I'm 
expecting that the boiler would run much less if the systems were separated, but 
I need a way to show this. Any ideas on how to connect the two loops would be 
appreciated. My other question is, since this building has no air-side HVAC, 
what system should I use to heat the zones? Right now I'm using a 
'heating/ventilating' system, forcing the air flow to zero in all the zones, and 
turning on baseboards attached to the steam loop. Is that the right way to do 
it?

Thanks,

-- Dane Heimerman
HVAC Engineer
Michael L. Norris&  Associates, Inc.
270 Walker Dr, Suite 201B
State College, PA 16801
p:814.867.3823
f:814.867.4823
daneh at mlnai.com


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