[EnergyPlus_Support] GROUND HEAT EXCHANGER:VERTICAL wrong simulation

["mapascualb" <mapascual@xxxxxxxxx>]

We are simulating a GSHP with the GROUND HEAT EXCHANGER:VERTICAL model. 
We have found serious stability problems that causes source 
temperatures to go below -100ºC. This problem seeems to be solved if we 
change the rhoCp of Fluid {J/m3K} from   4.1773E+06 to 4.1773e3. I 
think that I reported similar problems in version e+ 1.2.3. Can  
anybody check if there is a bug about this?

Thanks in advance.



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