[Equest-users] Exhaust Fans, Supermarket

[Briller, Dan]

I should clarify ... if the fans are set to their design flow rates and operate 24/7, they pull way too much air from the other zones served by the System air handler, thus resulting in failing to meet required ambient conditions in those zones. Again, there is no place I can see in the Refrigeration model to enter an exhaust fan schedule.



Daniel L. "Dan" Briller P.E., LEED AP BD+C
Energy/Environmental Engineer
10748 Deerwood Park Boulevard South
Jacksonville, FL  32256-0597
Phone: 800-741-2014 x2329 / Mobile: 571-314-4002
Dan.Briller at rsandh.com<mailto:Dan.Briller at rsandh.com>

Visit our website at www.rsandh.com<http://www.rsandh.com>
Connect with RS&H on Facebook<https://www.facebook.com/WeAreRSandH> Twitter<https://twitter.com/wearersandh> LinkedIn<http://www.linkedin.com/company/rs%26h>
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From: Briller, Dan
Sent: Tuesday, February 11, 2014 9:29 AM
To: equest-users at lists.onebuilding.org
Subject: Exhaust Fans, Supermarket

As we know, the eQUEST Refrigeration model does not contain as many options for defining exhaust fan characteristics compared to the standard V3.65.. I'm curious to know how others have handled this. My current case is that I have two EFs in the bathrooms, with design capacities of 430 cfm for ladies and 302 cfm for men. With the more limited menu in Outdoor Air, when I enter those values all makeup air is introduced into the bathroom zone, which subsequently deducts from the air handler and causes other rooms on that unit to miss design conditions for temp and RH.

Thanks,

Dan


Daniel L. "Dan" Briller P.E., LEED AP BD+C
Energy/Environmental Engineer
10748 Deerwood Park Boulevard South
Jacksonville, FL  32256-0597
Phone: 800-741-2014 x2329 / Mobile: 571-314-4002
Dan.Briller at rsandh.com<mailto:Dan.Briller at rsandh.com>

Visit our website at www.rsandh.com<http://www.rsandh.com>
Connect with RS&H on Facebook<https://www.facebook.com/WeAreRSandH> Twitter<https://twitter.com/wearersandh> LinkedIn<http://www.linkedin.com/company/rs%26h>
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