
USER INTERFACE
2.13.2018
71
Standby connector
Select
Choose between
>
Inactive
<
or
>
Active
<
Standby
Press
to start.
Activate the standby input:
1. Under menu item >
Standby
<, set the parameter to >
Active<
.
2. Connect an external contact “AK” (e.g., for external switch-off)
or an alarm contact of the superordinated system.
If the connection between pin 2 and pin 3 is interrupted by opening
the contact “AK”, a complete shutdown of the circulating pump and
heater is effected, and the unit enters the condition “
E OFF
”.
If the contact is closed again, the unit remains in status "Extern-
OFF".