[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[TRNSYS-users] geothermal pump strange behavior when connected to a simple heat exchanger



Hi

 

I have modeled a simple geothermal heat pump according to the example of Geothermal Application of Tess Library. The only changes that I have  made is that I have a water to water geothermal heat pump (type 668). The system seems to work correctly. The load loop seam to augment 4 C and the ground loop reduce 18 C when the system is On in heating mode. 

 

I tried to connect this system to building56 as a ventilation system so I apply in between a heat exchanger of  any type ( type 91, 5g, 5e, 5a, 5e), so the system gets 75% of fresh air and 25% of recycled air heated in the water to air heat exchanger and go ventilation system of building.  The results that I get is absolutely wrong. After the connection of the geothermal heat pump with the building the ground loop of the G.H.P. reached the 100-300 C.  and the air to the building seem to be cooled.

 

I checked the ghp system alone and seem to work

I checked the heat exchanger alone and seem to work

I checked the building alone and seem to work

 

But the connection is absolutely wrong

 

Could someone suggest me anything that might be wrong. ?

 

Thank you

 

 

 

 

 

 

Attachment: system with building.jpg
Description: JPEG image

Attachment: system without building.jpg
Description: JPEG image