Additional sensors are calibrated similarly.
q
Select
End
.
Exit configuration level.
q
Select
End
.
Return to operating level.
2.5
Resetting to default values
All parameters in parameter levels PA1, PA2 and PA5 set over the rotary switches, except
for the maximum flow temperature and the return flow temperature limits in PA1/PA2, can
be reset to their default settings (WE).
Proceed as follows:
Switch to configuration and parameter level.
q
Set key number 1991.
Confirm key number.
Note!
Resetting the parameters to their default values generates an “Err 2“ alarm, which is auto-
matically reset shortly after midnight.
26
EB 5576 EN
Start-up
