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Re: [EnergyPlus_Support] multiplier
1. The multiplier multiplies all zone-level loads, including the load passed
to the HVAC system. If the fancoils are autosized, they will size to the 20x
load. If the fancoils and other HVAC equipment are not autosized, you must
specify them at 20x.
2. If all floors are controlled to the same temperature, then it would seem
the heat recovery result would be identical with either approach.
Mike
On 29 Nov 2005, at 6:34, Clarice Bleil de Souza wrote:
> Hi everybody,
>
> Thanks a lot for the reply about the controllers Mike!
>
> Just another quick question. The multiplier field in the zone group is used to
> multiply just the zone not the system is that correct? If I have a 20 storey
> residential building with typical floors and consequently typical zones each
> one being coolled by a fancoil unit when I set a value in the multiplier it
> will only multiply the zone loads not the fancoils, right? How do I "multiply"
> the fancoils so that I account for the energy consumption of the whole
> building?
>
> I was thinking to work floor by floor and then simply multiply everything at
> the end but I have a heat recovery unit in the roof of the building that
> treats all fresh air coming into the zones so I don't think work floor by
> floor will give me the correct result. Can anybody give me a light on that?
>
> Thanks a lot again for the help
>
> Regards,
>
> Clarice
>
>
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support
EnergyPlus-Support@xxxxxxxx
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