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Hello Guys,

I actually modeled a hydronic radiant cooling system in Energy plus using ZoneHVAC: LowTempRadiant: VariableFlow for a zone and I got the results as well. The controllers used for this object are on water side mostly. However, Now I want to model the radiant hydronic cooling system using the zone air temperature set point. In other words, I want to model the radiant panel and find the panel's heat transfer, water mass flow rate, etc. based on fixed constant zone air temperature, so that I get the constant temperature (cooling set point= 24 C) as zone air temperature. Does any one know how to do this in Energy plus? I actually tried to define (ZoneControl:Thermostat) but did not work, since it is mostly used for forced air systems (not the radiant panels)

I'll appreciate if any one can help me with this.

Thanks, Mjc

Hello Guys,

I actually modeled a hydronic radiant cooling system in Energy plus using ZoneHVAC: LowTempRadiant: VariableFlow for a zone and I got the results as well. The controllers used for this object are on water side mostly. However, Now I want to model the radiant hydronic cooling system using the zone air temperature set point. In other words, I want to model the radiant panel and find the panel's heat transfer, water mass flow rate, etc. based on fixed constant zone air temperature, so that I get the constant temperature (cooling set point= 24 C) as zone air temperature. Does any one know how to do this in Energy plus? I actually tried to define (ZoneControl:Thermostat) but did not work, since it is mostly used for forced air systems (not the radiant panels)

I'll appreciate if any one can help me with this.

Thanks, Mjc