[Equest-users] DX heat pump system in eQUEST

David S Eldridge DSE at grummanbutkus.com
Thu Mar 26 13:29:07 PDT 2009


A few things to check:

Reasonable unmet hours?

Outside air quantity?

How is the seasonal profile of usage by end-use?  Is the cooling
showing up year round?  Also does the seasonal variation match your
climate?

-DSE

Sent from my iPhone

On Mar 26, 2009, at 2:02 PM, "King-Scott, Celia" <Celia.King-Scott at US.KEMA.com
 > wrote:

> Hi,
>
> I was wondering if someone could help me. I am currently modeling a
> Packaged DX heat pump system for a two storey building. As it is a
> heat pump the heating is electric so there is no gas consumption.
> It seems to be not giving me the correct heat load (it gives me 818
> kWh space heating for a 181,000 sf building). The cooling seems to
> be ok though (404,708 kWh) and I was thinking that it would be
> including some of the heating in this number too? Has anyone come
> across this problem in modeling electric heat pump before?
>
> If anyone could help me out on this, it would be greatly appreciated.
>
>
> Best Regards,
>
> Celia King-Scott
> LEED® AP
> Sustainable Design Consultant
>
> KEMA Services Inc.
> 3605 5th Avenue, Suite A
> San Diego, CA 92103
> Office +1 619 688 0960 x 15513
> Mobile +1 619 309 7441
>
> celia.king-scott at kema.com<mailto:celia.king-scott at kema.com>
> www.kemagreen.com
>
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