2.2
Activating and deactivating functions
A function is activated or deactivated in the associated function block. The numbers 0 to 24
in the top row of the display represent the respective function block numbers. When a con-
figuration level is opened, the activated function blocks are indicated by a black square on
the right-hand side below the function block number. For more details on function blocks, re-
fer to section 12.1.
The functions are grouped by topics:
4
CO1: Heating circuit 1/primary heat exchanger circuit
4
CO2: Heating circuit 2/supplementary heating circuit
4
CO3: Not used
4
CO4: DHW heating
4
CO5: System-wide functions
4
CO6: Modbus and meter bus communication
4
CO7: Device bus
4
CO8: Initialization of free inputs
Proceed as follows:
Switch to configuration and parameter level.
Display shows:
0 0 0 0
q
Set valid key number.
Confirm key number.
Display shows:
PA1
q
Select configuration level (-> Fig. 2).
Open configuration level.
q
Select function block.
Activated function blocks are marked by “- 1“.
Deactivated function blocks are marked by “- 0“.
Activate editing mode for the function block.
F__
blinks.
q
Activate the function block.
Display shows:
F__ - 1
An activated function block is indicated by a black square below (right) the function
block number in the top row of the controller display.
Or:
22
EB 5576 EN
Start-up
