[Equest-users] Multi Unit Residential Building with Baseboard

[via Equest-users]

Hi Michael
Thanks for the reply. Attached please find the files.

Ali Mo, EIT
Design Engineer


> Ali,
>
> If you can share your INP and PD2 files someone can take a look at your
> model to get a better idea of what's going on.
>
> On Thu, Feb 9, 2017 at 3:34 PM, via Equest-users <
> equest-users at lists.onebuilding.org> wrote:
>
>> Hi folks,
>> I am using eQUEST to model electric baseboard heating with ventilation
>> in
>> a multi-story residential building. I set electric baseboards at the
>> zone
>> level, and chose packaged single zone (no heating and only baseboard) at
>> the system level to model the ventilation. The model runs and gives me
>> zero unmet hours, but the electricity consumption for baseboards is less
>> than what I am expecting.
>>
>> The total building load in LS-F report seems to be right, and quite
>> aligns
>> with my expectation. Now, this load must be met via baseboards that are
>> installed in the residential units. Also, the baseboards must provide
>> heat
>> to heat up the constant running fans for the dedicated outdoor air that
>> I
>> assigned to each zone.
>>
>> The electricity consumption that I get in BEPS report is only enough to
>> meet the building load (as reported in LS-F) but not large enough to
>> heat
>> up the OA. I did a simple hand calculation for one space during Jan, and
>> the values  for electricity consumption in baseboards are off by 40%.
>>
>> Any thoughts on what I am doing wrong here?
>>
>> P.S., for the purpose of dedicated outdoor air I set a 24/7 “ON”
>> schedule
>> for fans that blow into each unit.
>>
>> Thanks for your comments
>> Ali Mo, EIT
>> Design Engineer
>>
>>
>>
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