[Bldg-sim] App G Baseline WSHP w Boiler Injection

Jackson, Alan ajackson at klingstubbins.com
Mon Feb 28 05:19:05 PST 2011


Cheney

 

Hey, thanks for the response. I agree, I think hybrid is the way to go
in this scenario.

 

One other issue I came across, since I not as familiar modeling
residential buildings, is the way that egress areas are treated. ASHRAE
list residential spaces as only including "guest rooms, living quarters,
private living space and sleeping quarters."

 

Does this mean the residential corridors and stairs need to be System 7,
and not PTAC, since the building is greater than 5 stories?

 

Thanks again,

 

Alan Jackson, LEED AP

KlingStubbins

 

From: Cheney [mailto:chenyu73 at gmail.com] 
Sent: Friday, February 25, 2011 2:31 PM
To: Jackson, Alan
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] App G Baseline WSHP w Boiler Injection

 

Hi Jason,

 

I will choose Fossil/Elec. Hybrid and PTAC for your design. 


Regards, 

 

Cheney

 

LinkedIN @ http://ca.linkedin.com/pub/yu-cheney-chen/27/637/72b
<http://ca.linkedin.com/pub/yu-cheney-chen/27/637/72b>  





On Fri, Feb 25, 2011 at 10:21 AM, Jackson, Alan
<ajackson at klingstubbins.com> wrote:

Hello, yes it's another Appendix G Baseline question.

 

Typical Residential Tower system with water-cooled heat pumps for the
dwelling units. Tower Loop is closed system with a heat injection boiler
for the winters (northeast climate). Heat injection boiler is natural
gas fired.

 

Is the Baseline "Electric and Other"? or "Fossil/Electric Hybrid"

 

I have seen many postings about WSHP being modeled as "all electric"
heating, but I am getting push back on this in the office because of the
heat injection component. Any CIRs on this one? System is obviously very
common.

 

Thanks

 

Alan Jackson, LEED AP
HVAC Project Engineer / BIM Team Leader

KlingStubbins

 


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