0549-991-41---50a_2019.11.indd
ETS 42
0549-991/42a
Page 7 of 18
Operator manual
3.2
Standard application
During
normal operation, the opening and closing movements of the door leaf are motorized.
The automatically opening is performed via opening elements. The automatically closing starts as
soon as the programmed hold-open time has expired.
Function in the event of a mains failure
The door leaf is closed from any position by means of spring power. The motor attenuation ensu
-
res a controlled closing.