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Hello, I'm trying to model a GSHP system and I want to simulate a secondary HP that works as a booster of temperature to provide sufficiently high temperatures for a fancoil system. The idea is to bring the hot water from the demand side of the hot water loop to the supply side of a condenser loop for the secondary HP. In order to do this, I thought about using an ideal HX and linking the components similarly to the left hx of this article I found: https://journals.sagepub.com/doi/full/10.1177/01436244241245524 The problem is that I'm allowed to link the HX to the hot water loop, but I cant connect the second coil of the HX to the supply of the condenser loop. Anyone has an idea?

Hello, I'm trying to model a GSHP system and I want to simulate a secondary HP that works as a booster of temperature to provide sufficiently high temperatures for a fancoil system. The idea is to bring the hot water from the demand side of the hot water loop to the supply side of a condenser loop for the secondary HP. In order to do this, I thought about using an ideal HX and linking the components similarly to the left hx of this article I found: https://journals.sagepub.com/doi/full/10.1177/01436244241245524 The problem is that I'm allowed to link the HX to the hot water loop, but I cant connect the second coil of the HX to the supply of the condenser loop. Anyone has an idea?