The building is equipped with Synco controls on the generation side and RDF / RDG thermostats on the room side.
Explanation relating to
In the case of a typical application, the individual RDF / RDG room thermostats send their heat demand directly to the primary controller (in the above example to the RMH760).
(1) and (2) designate the numbers of the distribution zone.
This type of application can analogously be applied to refrigeration distribution zones.
If no 2-pipe fan coil is used, heat and refrigeration demand signals are sent simultaneously to the primary plant.