[Equest-users] OA From System Question

[Paul Diglio]

Morning:

I am trying to model a chilled beam system as induction units.  The primary air 
is supplied by an ERU.  I set the outside air to 0 on the chilled beams HVAC 
systems tab.

In the chilled beam zone tab I set the outside air to the primary CFM and the 
overall CFM to the induced air flow.

Per the eQuest help menu, "The sum of the OA requirements for all SYSTEMs that 
reference an OA-FROM-SYSTEM  is used to set the referenced OA-FROM-SYSTEM value 
for MIN-OUTSIDE-AIR,  SUPPLY-FLOW as well as adjust the referenced 
OA-FROM-SYSTEM directly served ZONE  maximum and minimum flows for both heating 
and cooling." 


But per my hourly reports, the ERU is not supplying the necessary amount of 
primary air and in the summer the ERU flow drops to .01 CFM.

Attached are the project files.  Any ideas?

Thank you,

 Paul Diglio, CEM, CBCP


87 Fairmont Avenue
New Haven, CT  06513
203-415-0082


www.pdigliollc.com
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