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I am getting potential node connection error (Warning) for object ZONEHVAC:LOWTEMPERATURERADIANT:VARIABLEFLOW, which then I think leads to Orphaned ZoneHVAC object found error. This happens to all of the ZONEHVAC:LOWTEMPERATURERADIANT:VARIABLEFLOW objects. I have modeled hanging ceilings as radiant panels.

I have made following checks to make sure there are no typos in defining nodes;

1. Searching for node names and making sure they have appeared at least twice (in component and branch).
2. Checking that branch name also appears in branch list as well.
3. Making sure that branch list also appears in Loop object.

By Looking at the my .bnd (branch node details) file, I can see these nodes are not referenced after definition, but can not find the reason.

Any ideas to solve this warnings and errors? Links to files below.

.BND File

.IDF

ERROR log

I am getting potential node connection error (Warning) for object ZONEHVAC:LOWTEMPERATURERADIANT:VARIABLEFLOW, which then I think leads to Orphaned ZoneHVAC object found error. This happens to all of the ZONEHVAC:LOWTEMPERATURERADIANT:VARIABLEFLOW objects. I have modeled hanging ceilings as radiant panels.

I have made following checks to make sure there are no typos in defining nodes;

1. Searching for node names and making sure they have appeared at least twice (in component and branch).
2. Checking that branch name also appears in branch list as well.
3. Making sure that branch list also appears in Loop object.

By Looking at the my .bnd (branch node details) file, I can see these nodes are not referenced after definition, but can not find the reason.

Any ideas to solve this warnings and errors? Links to files below.

.BND File

.IDF

ERROR log