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5
Screen travel is stopped automatically in the down and up positions by the limit switches that are preset at the factory. If it's necessary
to adjust for more or less drop follow the steps below. The case cover must be removed to access the motor limit switches.
Remove the front cover of the screen from the back of the screen. Lift front cover up approximately 1/2" and pull away from back of
screen. See Figure 1.
Setting The Down Limit Position
To Reduce Screen Drop:
Turn the white 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 white 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.
Designer Da-Tab Electrol® Installation
Screen Adjustment For 120V And 220V/240V Screens
120V Wiring Diagram
Up Red Limit Switch Knob
In Multiple Control Installations
This Switch Is Replaced By The
Low Voltage Control, Operated
From Push Button Stations.
Operating Switch, Switch
Box, And Plate Furnished
With Screen. (SPDT With
Center Off)
This Switch Cannot Be Used With LVC.
NOTE:
A single switch cannot be used to operate more than
one screen. Contact the factory for further information.
Black Do
wn
Black
Up
Red
Down
AC Hot
Off
Whit
e Common
Black With Yellow
R
ed Up
Rocker
Switch
AC Common
120 V. 50/60 Hz.
2.5 Amp. Max
Down White Limit
Switch Knob
Motor
External Wiring
To Be Completed
By Installer.
Side View
Of Switch
And Box
Figure 3
240 Volt Wiring Diagram For Standard Wall Switch:
Da-Lite offers two styles of 240 volt wall switches for standard
operation. Please see wiring diagram included in wall switch box
included with screen.
To Junction Box, Mounted In Screen Case,
In Which Internal Wiring Terminates In White,
Black And Red Leads.
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