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NG
17. Adjusting the dynamic tension
The dynamic tension prevents the fabric and straps from unwinding
too quickly due to the weight of the load bar. In a conventional set-up
(horizontal or very slightly sloping system), it is identical in both operating
directions (symmetrical tension), which corresponds to the factory
configuration of the dip switches (12):
se
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In certain cases, such as a steep inclination, it is possible to alter the position
X01 - EH
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of the dip switches (12), to obtain a low or dissymmetrical dynamic tension.
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X01 - EH
These set-ups should be validated with Somfy's technical service.
The dynamic tension needs to be adjusted using the potentiometer (13), graduated
from 0 to 9.
NG
•
Request fabric feed-out: during unwinding, the fabric actuator brakes the fabric
very gently. If the fabric unwinds too quickly, it will sag:
Using a flat-blade screwdriver, gradually increase the potentiometer value (13) to
limit the sag of the fabric.
0
0
•
Request fabric retraction: if the straps unwind too quickly (sag) or too slowly (high tension),
readjust the potentiometer value (13).
0
e
18. Adjusting the end tension
The end tension is set automatically by the control box, after every end limit stop
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or after a STOP request.
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X01 - EH
The end tension needs to be adjusted on the potentiometer (14), graduated from
0 to 9.
•
Request fabric feed-out, followed by a "stop" order: the system will stop, and
then tension the fabric slightly. Perform various tests, gradually increasing the
potentiometer value (14), until you obtain a correct tension.
N.B.: too high an end tension may weaken the structure!
0
0
19. Simultaneous brake release
0
9
Push button (11) simultaneously activates the supply to the brakes on
both actuators.
H
This operation eases the system tension, for example in order to
adjust its parallel alignment.
,
N.B.: holding push button (11) down too long (>1 minute) could
ox.
damage the actuator brakes.
Copyright © 2013 - 2017 Somfy SAS. All rights reserved.
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