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Overlapping heating and cooling control temps in radiant system

I tried to set up radiant heating and cooling system with regular VAV using OpenStudio 1.7. When I run the simulation, there is an error "Overlapping heating and cooling control temps in radiant system". I adjusted the cooling and heating T of radiant heating/cooling system, but it didn't work. Have you ever experienced this error? Or is there anything else I need to take care of when I build the radiant heating/cooling system with VAV? Thanks.

Overlapping heating and cooling control temps in radiant system

I tried to set up radiant heating and cooling system with regular VAV using OpenStudio 1.7. When I run the simulation, there is an error "Overlapping heating and cooling control temps in radiant system". I adjusted the cooling and heating T of radiant heating/cooling system, but it didn't work. Have you ever experienced this error? Or is there anything else I need to take care of when I build the radiant heating/cooling system with VAV? Thanks.