[BLDG-SIM] Heat pumps in TRNSYS

[Maurizio Sorce]

Dear TRNSYS users,

for my my year-long simulation I need to use a air-water heat pump, whose role is to supply temperature (at 50 and 7°C in winter/summery operation) and flowrate to the type 673 fan coil. I have Standard TRNSYS and TESS Libraries but I don't understand which is the type that models the heat pump. 

1)    Maybe type 655 can simulate winter operation but I'm searching for a type that I can use to cool and heat the fluid and not only cool it.

2)     If I use type 655 I must supply 2 two external data files. The first data file contains ratios of the capacity to the rated capacity and the COP to the rated COP as functions of the chilled water set point temperature and the ambient temperature; the second file must contain the fraction of full-load power as a function of the part-load ratio on the machine. But for my heat pump I have only the data presented in the catalogue (ie rated cooling capacity, rated heating capacity, COP, total fluid flow rate... see in attachment)!!

I hope that someone can help me... whichever description in TESS libraries is absolutely devoid and I don't know how continue my work.


Maurizio Sorce
Department of Energy and Environmental Research (DREAM)
Università degli Studi di Palermo 


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