90
EN
1.
Open menu
9.7.6
.
2.
Switch on the valve protection.
nc = normally closed
no = normally open
Switch off the relay if the control valve is regulated by a
Duofern actuator.
If the control valve is regulated solely by a DuoFern actuator,
you can switch off the relay to avoid annoying switching noises.
5 sec.
Press the SET button for 5 seconds
to switch the relay on or off.
Display when the relay is switched off:
– no
or
–
nc