Velleman VMB1TC - Manual (Page 12)

12 VMB1TC Temperature controller manual – rev 5.0
CONNECTION
To interconnect the Velbus modules the use of twisted-pair cable (EIB 2x2x0.8mm2, UTP 8x0.51mm - CAT5 or
equivalent) is recommended.
Connect the bus to the module (beware of the polarity).
Connect the 12V to 18V direct current to the module (beware of the polarity).
Connecting the temperature controller VMB1TC
Connecting the temperature sensor VMB1TS