[Bldg-sim] 90.1-2010 Appendix G heat source question

[Cheney]

Hi Chris,

1. >5 floors should be system 7 with hybrid heating source?
2. The selection of system for those special spaces in the building is
based on the heating source for the main building (Please see user's manual
p. G-28 for details). That's why you pick up system 3 which should be
fossil fuel furnace. You can not use predominate heating source here.

*Best Regards, *
*Cheney*
Connect with me and view my   *http://lnkd.in/bqQf52i*
<http://lnkd.in/bqQf52i>

On Fri, Nov 14, 2014 at 1:01 PM, Jones, Christopher <cjones at halsall.com>
wrote:

>  The proposed design has 9 floors and has heat recovery chillers,
> air-to-water heat pumps and natural gas boilers for the heating plant.
> Based on Table G3.1.1A, I selected System 5.  Based on G3.1.3.2, I selected
> electric boiler as the predominate heat source is electric.
>
>
>
> Based on G3.1.1 exception b.  I have some spaces that require a single
> zone system.  As the building has Fossil/Electric Hybrid heating, I select
> System 3 – PSZ-AC.  My question is: should the heat source of these systems
> be gas furnace as per Table G3.1.1A or should I select electric resistance
> as the predominate heat source is electric?
>
>
>
> Thanks for any insights!
>
>
>
>
>
> *Christopher Jones**,* P.Eng.
> *Halsall Associates*
> Tel: 416.644.4226 • Toll Free: 1.888.425.7255 x 527 •  www.halsall.com
> Vancouver • Calgary • Sudbury  • Burlington • Toronto • Ottawa
> *Best Workplaces in Canada, Seven Consecutive Years: 2007 - 2013*
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