Instructions

Table Of Contents
24
EN
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Two valve modes (NC/NO) to adapt to the control valve used
Electrothermal valves with the switching states "normally closed
(NC)" or "normally open (NO)" are often used for heating control.
You can set the respective valve mode in menu 9.7.6 to adapt to
the control valve used in each case, see page 90.
Manual mode
The device is manually operated with the plus and minus
button.
These buttons can be used to gradually increase or decrease
the target temperature by 0.5 °C, see page 53.
Installation and electrical connection
The DuoFern Room Thermostat 2 is designed as a flush-mounted
device for indoor rooms. The electrical connection is carried out
by means of the connecting terminals on the reverse side of the
installation housing.
Compatible switch ranges
The DuoFern Room Thermostat 2 can be integrated into standard
switch range (50 x 50 mm).
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It may be necessary to use an intermediate frame *
50 x 50 (according to DIN 49075) depending on the
switch range used.
* Not included
6. Product description