[Equest-users] ground-source heat pump with gas backup

[Carol Gardner]

Hi Demba,

What is the building type and operating schedule? Why the gas furnace as
back up to cycle on only at night?

Carol

On Tue, May 18, 2010 at 12:21 AM, Demba Ndiaye <Demba.Ndiaye at setty.com>wrote:

>  Folks,
>
>
>
> I have a ground-source heat pump that operates during the day. At night,
> the pumps are shut off, and if the space needs heating to maintain the
> setback temperature, a gas furnace kicks off.
>
>
>
> Said otherwise, only the furnace operates to maintain setback.
>
>
>
> How would you model that?
>
>
>
> _______________
>
> Demba NDIAYE
>
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-- 
Carol Gardner PE
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