[Equest-users] 7175 Version Crashing on Water-Side HVAC Tab

Tue Sep 3 10:51:17 PDT 2019

Sure thing – Best of luck with the new model!

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Nick Caton, P.E., BEMP
  Senior Energy Engineer
  Schneider Electric of North America
  Energy and Sustainability Services
  Energy Performance Contracting
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785 . 410 . 3317
913 . 564 . 6380
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15200 Santa Fe Trail Drive
Suite 204
Lenexa, KS 66219
United States
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From: Austin Selvig <selvig at posteritygroup.ca>
Sent: Tuesday, September 3, 2019 10:16 AM
To: Nicholas Caton <Nicholas.Caton at se.com>
Cc: equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] 7175 Version Crashing on Water-Side HVAC Tab

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________________________________

Hi Nick,

I ended up having to start from scratch and work directly from the .inp and making sure it was set up properly. Once it was correct in the .inp it stopped crashing.

I've never thought of setting up defaults like that. But that would've been quite helpful since I have a lot of linked systems, and if you try to change the main system it asks for the same information over and over for each of the linked systems. Sometimes if you can't enter in the information it forces you to delete some systems or zones. I was struggling a lot with that issue with this model too.

Thanks for your help!

Austin

Austin Selvig | Consultant | 613.552.1753 | selvig at posteritygroup.ca<mailto:selvig at posteritygroup.ca>
43 Eccles St. 2nd Floor, Ottawa, ON | posteritygroup.ca<https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fposteritygroup.ca%2F&data=02%7C01%7CNicholas.Caton%40se.com%7C09558ee138d3489cf98a08d73081ad7f%7C6e51e1adc54b4b39b5980ffe9ae68fef%7C0%7C0%7C637031205827264322&sdata=f50FC5t16XnD%2Fwcu0FTwpAjqJWQ8UUYCnzJDhYjXxo4%3D&reserved=0>

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On Tue, Aug 27, 2019 at 4:05 PM Nicholas Caton <Nicholas.Caton at se.com<mailto:Nicholas.Caton at se.com>> wrote:
I haven’t run into that one yet (posting your project may help others to replicate/troubleshoot), but I might suggest some stepsthat made the “re-definition” of new hydronic air-side systems ‘smoother’ in prior version of doe2.

Start in the water-side tab.  Right click the ‘project’ line at the top of the component tree, and create all of the circ loops you’ll be prompted for (in setting up a new airside system) first.
For your 4-pipe systems, that’ll include at least one CHW circ loop and one hot water circ loop.  You shouldn’t need to define any boilers/chillers at this stage.
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Then, before ‘converting’ any airside systems to 4-pipe, navigate (in your airside tab) to create a new system from scratch, of type FC.  Move to the new systems’ ‘cooling’ tab to set your user default for CHW-LOOP (for this system type) to the new CHW loop you’ve defined.  Do the same over on the heating tab.
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The last thing I can think of (try this for your first system) would be to switch your ‘furnace’ inputs for heating to hot water, before converting to the FC system type (if that’s a contextual possibility).  In any case, if the above measures do not improve your crash state issue, it will at least save you some steps in system conversion/creation down the line once you’ve resolved whatever is causing the crash.

After you do successfully convert your first system, and before you simulate, you’ll want to delete the “starter” FC system used to define the defaults, and you’ll also want to set up some primary equipment on those loops.

If none of those steps help… perhaps you’ll want to try jumping into the INP to remove EVERYTHING with regard to existing hydronic stuff, then re-create from scratch if that allows you to initialize without errors.

I hope this proves somewhat helpful!

~Nick

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Nick Caton, P.E., BEMP
  Senior Energy Engineer
  Regional Energy Engineering Manager
  Energy and Sustainability Services
  Energy Performance Contracting
D
M
F
E
913 . 564 . 6361
785 . 410 . 3317
913 . 564 . 6380
nicholas.caton at se.com<mailto:nicholas.caton at se.com>
15200 Santa Fe Trail Drive
Suite 204
Lenexa, KS 66219
United States
[cid:image006.png at 01D515A3.47EDD880]

From: Equest-users <equest-users-bounces at lists.onebuilding.org<mailto:equest-users-bounces at lists.onebuilding.org>> On Behalf Of Austin Selvig via Equest-users
Sent: Tuesday, August 27, 2019 12:54 PM
To: equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>
Subject: [Equest-users] 7175 Version Crashing on Water-Side HVAC Tab

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________________________________

Hi All,

I'm having an issue and I'm wondering if anyone has had this, or if there are any fixes. I have a model that used furnaces and DX that I was converting to 4-pipe, and it crashes when I add system in the water side HVAC tab, and also crashes if I add systems in text editor, and click on the tab when I open it. I'm working in the 7175 version and DOE 2.3, because I eventually want to make a VRF version of the model.

Let me know, thanks!

Austin

Austin Selvig | Consultant | 613.552.1753 | selvig at posteritygroup.ca<mailto:selvig at posteritygroup.ca>
43 Eccles St. 2nd Floor, Ottawa, ON | posteritygroup.ca<https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fposteritygroup.ca%2F&data=02%7C01%7CNicholas.Caton%40se.com%7C09558ee138d3489cf98a08d73081ad7f%7C6e51e1adc54b4b39b5980ffe9ae68fef%7C0%7C0%7C637031205827264322&sdata=f50FC5t16XnD%2Fwcu0FTwpAjqJWQ8UUYCnzJDhYjXxo4%3D&reserved=0>

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