GFA TS981 - P 3.5 - Automatic Opening; P 3.8 - Shorten;Lengthen the Reversing Time; P 4.1 - 4.9 - Frequency Inverter Functions

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P 3.5 - Automatic opening
The closed door opens after the set number of minutes. Use menu item 2.3 to set the automatic closing.
3.5
Automatic opening
►
.0
Off
.1
-
9.9
1 to 99 minutes
P 3.8 - Shorten/lengthen the reversing time
Use this menu item to shorten or lengthen the reversing time when a safety device is activated.
Reversing time is the time it takes for the door to switch from CLOSE operation to OPEN operation.
Lengthening the reversing time protects the door mechanism. Shortening the reversing time reduces the closing forces at
the safety edge. You can set the reversal time in steps from
_
1 to
_
3 .
3.8
Shorten/lengthen the reversing time

–
.0
Deactivated
_.1 - 3
_.1
=
Shorten the reversing time.
3 = Lengthen the reversing time.
P 4.1 – 4.9 - Frequency inverter functions
The following menu items are only visible and applicable if the door drive unit is equipped with a mounted
frequency inverter.
Increasing / decreasing the output speed
Use this menu item to change the output speed of the door drive unit equipped with a frequency inverter.
With menu item 4.3 you can additionally increase the closing output speed from a height of 2.5 m onwards.
To do this, you must first define the switching position for the higher output speed CLOSE with menu item 4.4 .
i
NOTE
The adjustable values 4.1 to 4.3 depend on the door drive unit. You can find the values in Chapter „technical
data“ in the installation instructions for the door drive unit. The value is displayed in rpm of the output
shaft.
4.1
Increase/decrease output speed OPEN
4.2
Increase/decrease output speed CLOSE
4.3
Increase/decrease output speed CLOSE > 2,5 m
Possible values depend on the door drive unit.