External Window Open Detection - RADEMACHER DuoFern 9433-1 Translation Of The Original Installation And Commissioning Manual

10.4 Internal window open detection (dEt)
Window open detection takes place irrespective of whether
the DuoFern Radiator Actuator 2 is in manual or automatic
mode.
Alternatively, you can also use an external DuoFern
i
window/door contact (Item no. 3200 31 64) for control
purposes via the HomePilot
Thermostat 2 in case of an unfavourable installation
position (e.g. in a niche).
i

10.5 External window open detection

You can cancel the message and switch the DuoFern Radiator
Actuator 2 back to normal mode by pressing
If an open window is detected, this message
(OPn) appears for the duration of the process.
If an open window is detected by an external
DuoFern window/door contact, this message
(OPn) appears for the duration of the process.
or DuoFern Room
®
EN
or .
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