CONNECTING THE ROOM THERMOSTAT ST2RDR FOR ADDITIONAL DIRECT
HEATING CIRCUITS
For each additional direct heating circuit, one room thermostat ST2RDR must be connect-
ed. Controller settings are described in the chapter »Additional direct heating circuits« on
page 51.
PROMATIC D10, D20
On the room thermostat ST2RDR operating mode S1.1=1 must be set.
Installation manual
C.12 or C.17
64