Da-Lite Large Cosmopolitan Electrol Instructieboek - Pagina 4
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Screen Adjustment For Screens Without A Built-In Low Voltage Control
Screen travel is stopped automatically in the down and up positions by the limit switches that are preset at the factory.
No further adjustment is necessary.
If you need to make minor stop position adjustments see the appropriate step below.
Setting The Down Limit Position
NOTE: One turn of the limit screw equals approximately 2" of
screen travel.
To Reduce Screen Drop:
Turn the down limit switch screw clockwise to decrease the
amount of screen drop. Run the screen down to test the stop
position. If the screen drops too far, raise the screen about
one foot and adjust the limit switch again. Repeat until the
desired position is set.
To Increase Screen Drop:
Turn the down limit switch screw counterclockwise to increase
the amount of screen drop. Run the screen down to test the stop
position. If the screen does not drop enough, raise the screen
about one foot and adjust the limit switch again. Repeat until the
desired position is set. Do not adjust for more drop than what was
ordered. At least 1-1/2 wraps of fabric must remain on the roller.
Setting The Up Limit Position
CAUTION: Do not allow the slat bar to wrap over the top
of the roller when the screen is rolling into the case.
The screen could be damaged.
Screen Travels Into Case Too Far:
Turn the up limit switch screw clockwise to decrease the amount
of travel. Run the screen up to test the stop position. If the screen
does not stop properly, lower the screen about one foot and turn
the limit switch again. Repeat until the desired position is set.
Screen Does Not Travel Far Enough Into Case:
Turn the up limit switch screw counterclockwise to increase the
amount of up travel. Run the screen up to test the stop position. If
more travel is desired, lower the screen about one foot and adjust
the limit switch again. Repeat until the desired position is set.
4
Down Limit
Switch Access
Hole
Up Limit Switch Access
Through Case Opening
Figure 3