[TRNSYS-users] Two warnings regarding the 954c air source heat pump and the 166 controller

[dimitris soukoulis]

Hello! I am modeling a multizone building air conditioning scenario using the type 954c air source heat pump. I keep getting two kind of warnings. The first is for the type 166 controller and says that the controller is stuck for some considerable amount of time (17 percent). I tried changing the heat pumps characteristics to fit the rooms needs better and also changed the timestep  but  I couldnt erase the warning. The second warning was for the heat pumps data file. It says that in the simulation the cooling performance data file was called several times with a first (and sometimes second and third) independent variable value below (or sometimes above) the range supplied in the data file. Does anybody have any ideas about how to fix those two problems ? Thanks in advance.
Jim Soukoulis.



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