Da-Lite Large Dual Masking Electrol - Manual (Page 5)

5
Screen Adjustment For 220V/240V Screens
Large Dual Masking Electrol® Instructions
CAUTION! The mask should not be field adjusted for more or less drop.
ATTENTION! Le masque ne doit pas être ajusté sur place pour régler la chute.
Surface travel is stopped automatically in the fully opened and closed positions by limit switches that are properly adjusted at Da-Lite.
Should it be necessary to adjust for more or less drop of picture, proceed in the following manner:
NOTE: Use a screw driver or allen wrench to make adjustments.
More screen drop
1. Remove access panel (Fig. 1).
2. Place operating switch in “down” position.
3. When the screen stops, turn the “down” limit knob (Fig. 2)
one-quarter turn counterclockwise. Test by raising picture
surface approximately two feet, then lower again. Repeat until
desired picture surface position is attained.
NOTE: Must leave 1-1/2 wraps of fabric on roller!
4. Replace access panel.
Less screen drop
1. Remove access panel. (Fig. 1).
2. Raise picture surface approximately two feet
above desired level.
3. Place operating switch in “off” position.
4. Turn the “down” limit knob (Fig. 2) one-quarter turn
clockwise. Test by raising picture surface approximately
two feet, then lower again. Repeat until desired picture
surface position is attained.
5. Replace access panel.
Mask Screen
Mask Motor
4 – Wire
Mask Motor
4 – Wire
Screen Motor
Screen Motor
220 V. AC 50 Hz
Input
Brown
Black
Blue
Green/Yellow
Up
Off
Down
Up
Off
Down
240V Wiring Diagram
Brown (Hot)
Blue (Common)
Ground Wire
Brown
Black
Blue
Green/Yellow Up
Down
Common
Ground
Up
Down
Common
Ground
Double Gang J-Box
Provided By Da-Lite
Protective Earthing
Stud Inside Junction Box
IMPORTANT NOTE:
Switch junction box must be connected to
ground using the procective earthing screw.
Junction Box
Located in
Screen Housing Junction Box
Located in
Screen Housing