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This is a very basic question. I have two OpenStudio files. The only difference is one wall construction with a higher R value between the two. After running the simulation, the file with the higher R value in an exterior wall has returned a higher EUI. I can't find the issue. Any ideas?

I have a link to Dropbox below. The Alt file has the improved Envelope.

https://www.dropbox.com/sh/a3m0azq6g8...

Thanks very much! I'm not sure how I missed that. Appreciate the help.

Added link above in question.

Basic Envelope Change results in opposite EUI results of those expected This is a very basic question. I have two OpenSt

It is in a Western Canadian Climate. Heating is increasing, no cooling system is installed. Am I able to upload the fil

Basic Envelope Change results in opposite EUI results of those expected This is a very basic question. I have two OpenSt

Basic Envelope Change results opposite EUI results of those expected This is a very basic question. I have two OpenStudi

Basic Envelope Change results opposite EUI results of those expected This is a very basic question. I have two OpenStudi

A LEED review is looking for better justification for the reported hot water savings.

A LEED review is looking for better justification for the reported hot water savings.

I am trying to show information for the solar hot water collector in a report format in OpenStudio.

Thanks very much @Kyle Benne!

Will do! @Kyle Benne

I am using 1.10.0. And it does sound the like the same type of issue. What is odd, is the same system will work in a simple model that I set up.

Is there anyway to open my OS file in an earlier version? I built the model using 1.10. Or is there anyone out there able to look at my OS file and see if there is something I am missing? @macumber, @David Goldwasser

Sounds similar to this problem? https://unmethours.com/question/11662...

I have added the name in the EP idf editor and then run the simulation in EP and it runs through no problem. Must be an OS bug?

I have entered the missing name in to the idf file. When I re-open Open Studio the new schedule is there. However, when I run the simulation, the schedule is lost again. I think there may be a bug with OS. Any suggestions?

Yes, I realize this, but how do I rectify it and how did it happen? The same system works on a different model.

I have been working at this for 2 days, although admittedly am a rookie at using this program. I have setup a hot service loop but continue to get this error:

*************  16079 PlantEquipmentOperationSchemes,
   ************* indicated Name=Plant Loop 1 Operation Schemes
   ************* Only last 4 lines before error line shown.....
   *************  16080   Plant Loop 1 Operation Schemes,         !- Name
   *************  16081   PlantEquipmentOperation:HeatingLoad,    !- Control Scheme Object Type 1
   *************  16082   Plant Loop 1 Heating Operation Scheme,  !- Control Scheme Name 1
   *************  16083   ,                                       !- Control Scheme Schedule Name 1
   ** Severe  ** IP: IDF line~16083 Error detected in Object=PLANTEQUIPMENTOPERATIONSCHEMES, name=PLANT LOOP 1 OPERATION SCHEMES
   **   ~~~   ** Field [Control Scheme 1 Schedule Name] is required but was blank
   ** Warning ** IP: Note -- Some missing fields have been filled with defaults. See the audit output file for details.
   ** Severe  ** IP: Blank "required" fields found in input
   ** Severe  ** IP: Out of "range" values and/or blank required fields found in input
   **  Fatal  ** IP: Errors occurred on processing IDF file. Preceding condition(s) cause termination.

I have modeled the same loop in a simple single space/zone model and it works no problem.

Any help will be appreciated.

Mark