[Equest-users] error msg: loop - no primary heating equipment attached

[Nathan Miller]

If Circulation Loop 5 is attached to the primary heating loop as its source of heat, then I believe you need to designate the Loop Subtype as “Secondary”. See Screen Shot:
[cid:image001.png at 01D0BFAA.4F7AAE50]


Nathan Miller, PE, LEED AP BD+C – Mechanical Engineer/Senior Energy Analyst
RUSHING | D 206-788-4577 | O 206-285-7100
www.rushingco.com<http://www.rushingco.com/>

From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Pranita Kothuru Komirishetty
Sent: Thursday, July 16, 2015 9:27 AM
To: equest-users
Subject: [Equest-users] error msg: loop - no primary heating equipment attached

Good Morning -

I am working on a 65 story building in eQuest 3.64. The building is cooled by Standard VAV units (primary cooling equipement is chillers) heated by perimeter baseboards (steam boilers).

The first 6 floors of the building have perimeter induction units with no re-heat. For this I have created a different loop (linked this to the primary heating loop). This loop is called the Circulation Loop 5 in my model. I assign this loop to the   baseboard loop in the air side HVAC parameters.

When I run the simulation I get the following error:

 ***ERROR***********************************************************************
             Loop: Circulation Loop 5               has no attached primary
             heating equipment.

I could not find anything in the archives directly to tackle this issue. Not an expert in HVAC and hence need your advise.


snapshot of loop window:

[Inline image 1]

Thanks in advance.
--

- Pranita

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