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Revision 2
Keigo's avatar
4k
Keigo
updated 2022-09-24 08:49:10 -0500

After a little more investigation, I found that the bug occurs when the following two conditions are met:

  • ZoneHVAC:TerminalUnit:VariableRefrigerantFlow in the AirLoop and ZoneHVAC:TerminalUnit:VariableRefrigerantFlow in some zones are connected to the same AirConditioner:VariableRefrigerantFlow
  • There is another AirLoopHVAC which does not have ZoneHVAC:TerminalUnit:VariableRefrigerantFlow.

image description

I have narrowed down the cause of the bug to some extent, which is OK for me for now.

Revision 1
Keigo's avatar
4k
Keigo
answered 2022-09-24 08:33:48 -0500

After a little more investigation, I found that the bug occurs when the following two conditions are met:

  • ZoneHVAC:TerminalUnit:VariableRefrigerantFlow in the AirLoop and ZoneHVAC:TerminalUnit:VariableRefrigerantFlow in some zones are connected to the same AirConditioner:VariableRefrigerantFlow
  • There is another AirLoopHVAC which does not have ZoneHVAC:TerminalUnit:VariableRefrigerantFlow.

image description

I have narrowed down the cause of the bug to ro some extent, which is OK for me for now.