[Equest-users] DOE2.3 Water Loop HP

[David S Eldridge]

Is there a set of conditions where the staging ends up with a blank and no equipment is enabled? What’s the temperature profile on that day compared to the rest of the year for your weather file – maybe there is temperature that exceeds your staging commands.

How many different boilers and boiler efficiency combinations are there? I’d also consider running with a simplified boiler setup without the load management until the rest of the model is complete and calibrated and then layer in the extra boilers and their staging.

David


David S. Eldridge, Jr., P.E., BEMP, BEAP, HBDP, GGF/GGA
Associate

Direct: (847) 316-9224 | Mobile: (773) 490-5038

Grumman|Butkus Associates | 820 Davis Street, Suite 300 | Evanston, IL 60201
Energy Efficiency Consultants and Sustainable Design Engineers

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From: Equest-users <equest-users-bounces at lists.onebuilding.org> On Behalf Of Tai Lieu via Equest-users
Sent: Monday, July 29, 2024 8:00 AM
To: equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] DOE2.3 Water Loop HP


Hi All,

Long time subscriber appreciate all the responses.
I'm working on a residential distributed heat pump building.  I'm using the WLHP keyword for the loop.  There are boilers with different efficiencies, that i have staged on and off based on capacity and outside air temperature, using the load management and Equipment control tools for the heating on the WLHP.  However I keep running into issues in June 16.  I'm having a hard time debugging the problem since the program stops on the certain date.  The error code is below.

I don't think its a heating boiler issues.  I'm unsure if i'm missing any keywords for the WLHP, I typically work in Doe2.2.  i've specified cooling equipment control for the cooling towers.  Let me know if I need to share the .inp.
Thoughts?

[cid:image001.png at 01DAE2C7.B72622B0]
TL





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