basic diagram
the control unit
Room or area
A: triac outputs 230VAC - 6A
V1 - Phase output for speed 1
V2 - Phase output for speed 2
V3 - Phase output for speed 3
F - phase 230Vac input
B: connection to thermostat
with plug RJ11 4/4 for custom modules
C: connection to thermostat
with pin C-I1-I2-I3 series modules for civil
Speed 3
Speed 2
Speed 1
Motor fan coil