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The assignment of the control circuits to the mode selector switches depends on the system
code number (Anl):
System
(Anl)
Mode selector switch
Top Middle Bottom
1 Heating circuit 1 Heating circuit 2 Pre-control circuit
2 Heating circuit 1 DHW heating Heating circuit 2
3 Heating circuit 1 Heating circuit 2 Heating circuit 3/Pre-control
circuit
4 Heating circuit 1 DHW heating Pre-control circuit
5 Heating circuit 1 DHW heating Heating circuit 2/Pre-control
circuit
6 Heating circuit 1 Heating circuit 2 Heating circuit 3
7 Heating circuit 1 DHW heating Pre-control circuit
8 Heating circuit 1 DHW heating Heating circuit 2/Pre-control
circuit
9 Heating circuit 1 DHW heating Heating circuit 2
10 Heating circuit 1 DHW heating Heating circuit 2
1.2 Operating modes
Day mode (rated operation)
Regardless of the programmed times-of-use and summer mode, the set points relevant for rated
operation are used by the controller.
Night mode (reduced operation)
Regardless of the programmed times-of-use, the set points relevant for reduced operation are
used by the controller.
Automatic mode
During the programmed times-of-use, the controller works in rated operation. Outside these
times-of-use, the controller is in reduced operation, unless control operation is deactivated de
-
pending on the outdoor temperature. The controller switches automatically between both oper
-
ating modes.
Manual operation+ 0 –
Valves and pumps can be controlled manually.
8 EB 5179 EN
Operation