[Equest-users] Air-side HVAC Systems

[John Aulbach]

 Hello Tanya,
Why don't you let the total cooling capacity for each AHU default for a test run and see what eQuest chooses?  I am unclear how many floors you actually have, but I believe eQuest will default to a number for each AHU that will carry the load. It may oversize it to a degree (it CERTAINLY does an overkill that way in heating).
Give it a try.
John R. Aulbach, PE
    On Monday, May 27, 2019, 4:25:30 AM PDT, Tanya Soji via Equest-users <equest-users at lists.onebuilding.org> wrote:  
 
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Hi there, 

 

I just have a question on the Air-side HVAC system – I have AHU’s only serving this building. One AHU per floor (Total AHU cooling capacity = 800,760 Btu/hr). What is the “total cooling capacity” that needs to be entered in this case (when the system type is multi-zone..),  can the actual total cooling capacity be entered for all the zones or does it have to be split (total capacity divided by the number of AHU’s) per zone? I feel the energy consumption is highly dependent on this factor and hence I would really appreciate if someone could come up with a solution. 

 

I have attached the screenshot for reference.

 



 

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