I am using vitodens 222W/vitotronic200 for water heating and heating of two condo-units. the two units are independent of each other. the energy distribution into the two condo-units is done via PAW Thermax distribution system K31/K32/DN20. One heating circuit is without mixer (regulation via circuit-pump only, connected to the internal vitotronic 200 extension), the other circuit is with mixer (regulation via circuit-pump and 3-way mixer, connected to the external vitotronic 200 extension). such a setup is primarily aimed at simultaneous use of radiator and floor-heating circuits: the radiator circuit is to have higher temperature than the floor-heating circuit. My problem is symmetrical (two independent condo-units heated with radiators), my current set-up is asymmetrical (one circuit without mixer, one circuit with mixer). Conceptually one does not opt for an unsymmetrical solution when solving a symmetrical problem. I would modify this set-up into two circuits, each having a 3-way mixer (two external vitotronic 200 extensions, PAW Thermax K32/K32/DN20). will this work perfectly? my concern is I will have two circuits with radiators, not two circuits for floor-heating. I assume that the vitotronic 200 has different temperature-regulation-algorythms for radiators (circuit without mixer) and floor-heating (circuit with mixer). Your valuable advice? Thank you.
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