Seltron ST2 - ST2 RDR - ST2 with double relay module RDR

With room thermostat ST2RDR is possible to control:
- direct heating circuit
- direct heating circuit and domestic hot water warming
- indirect heating circuit - 3 point control
- D. h. w. warming
- direct heating circuit and boiler with built in domestic hot water
storage tank (- direct heating circuit and cooling)
ST2RDR - ST2 with double relay module RDR
type description S1.1
ST2RDR Direct heating circuit (picture 37) 1
ST2RDR
Direct heating circuit and
domestic hot water warming (picture 38)
2
ST2RDR
Indirect heating circuit
- 3 point control (picture 39)
3
ST2RDR
Direct heating circuit and boiler with built in
domestic hot water storage tank
1
(picture 40)
4
ST2RDR D. h. w. warming (picture 41) 6
STRDR Direct heating circuit and cooling (picture 42) 9
ST2RDR default setting for parameter S1.1=2.
i
1
Boiler is activated when there is need for domestic hot water
warming.
41
INSTALLATION MANUAL