Depending on the width of the door leaves, the spring force must be adjusted
corresponding to EN 1154 in the range of EN 4 to EN 6. The adjustment range
can be taken from the table in chapter 3.1 based on the width of the door leaf.
Wind loads, under/over-pressure and other environmental conditions must be
taken into account during the adjustment.
The door operator is set to a minimal spring force on EN 4 in the factory. This is
appropriate for door leaf widths from 950 to 1100 mm.
If the width of the door leaf is 1,100 mm, for example, an additional maximum
permissible door leaf weight of approx. 160 kg can be selected.
Turning the adjusting screw (SW13)
clockwise increases the initial spring
tension.
The white marking in the vision panel
relates to the scale underneath.
• The correct setting of the initial
spring tension is necessary for the
proper opening of the door without
the mains supply.
• An unsuitable initial spring ten-
sion can cause malfunctions!
• Are the arms fixed at the correct angle to the door leaf? (See chapter 10 Ad-
justment possibilities for the arm)
• When moved by hand, does the door leaf move easily over its full swing?
• Does the operator damp the opening by spring force? If not, the slide switch
position S1 on the motor print MOT must be changed.
The switch position is set according to
the direction of rotation of the arm while
closing. If, for example, the arm
moves away to the left when closing,
the slide switch must be set to the left.
Adjusting screw
Vision panel
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