Instructions

Table Of Contents
91
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 or
the DuoFern Room Thermostat 2 only controls radiator actuators,
you can switch off the relay to avoid annoying switching noises.
-
5 sec. Press the minus button for 5 seconds
to switch the relay off.
Display when the relay is switched off:
– no or nc
+
5 sec. Press the plus button for 5 seconds
to switch the relay on.
16.9 Menu 9.7.6 - Setting the valve mode