Adjustment Of The Initial Spring Tension According En 4 To En - Record DFA127 Instructions Manual

11.4

Adjustment of the initial spring tension according EN 4 to EN 6

Depending on the width of the door leaves, the spring force must be adjusted corresponding
EN 1154 in the range of EN 4 to EN 6. The adjustment range can be taken from the table in
chapter
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 1100 mm, for ex-
ample, an additional maximum permissible door leaf weight of approx. 160 kg can be se-
lected.
102-127108955
Door leaf weights and door widths
WARNING
Closure of the door with insufficient or excessive closing force.
• Contusions and bruises through door leaves, no locking in case of fire.
 Set the spring tension according regulations (see table in chapter:
weights and door widths
Installation DFA 127
based on the width of the door leaf. Wind loads,
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 open-
ing of the door without the mains supply.
)
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Door leaf
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