thank you for your answer. Yes i have entered some water baseboards, like on the picture. now i have the empty plant loop and enter a boiler. But when i add some thermalzones the plant loop get some empty branches. How should i connenct the baseboard to the plant loop?!loop?

thank you for your answer. Yes i have entered some water baseboards, like on the picture. picture. now i have the empty plant loop and enter a boiler. But when i add some thermalzones the plant loop get some empty branches. How should i connenct the baseboard to the plant loop?