3.7.1.4.3 1-wire with spring return constant spring return period
For 1-wire control, the heating is
not active if contact
is broken.
Caution!
24...240 VAC/DC
~
~
–
+
PE
1
2
3
4
PA
Fig.
22: SB2.3 - cable type 4+PE, cable diameter 7.2
mm
3.7.1.5
Versions -XX-SF
3.7.1.5.1 1-wire with spring return with configurable spring return period
24...240 VAC/DC
~
~
–
+
PE
1
2
3
4
PA
5
Spring return in ~ 10 s = default connection
Spring return in ~ 3 s = additional bridge to terminal 5
For 1-wire control, the heating
is not active if contact is
broken.
Caution!
Fig.
23: SB2.1 - cable type 5+PE, cable diameter 7.5
mm
3 | Device description
Translation of the original installation guide · Version 1.0 · 2021-05-27
29