4
DUAL MASkINg ELECTROL
®
INSTRUCTIONS
UP
BROWN
DOWN
COMMON
BLACK
BLUE
UP
GREEN
4 – WIRE
MASK MOTOR
GROUND
MaSk MOTOR
MASK
SCREEN
UP
UP
OFF
DOWN
DOWN
BROWN
DOWN
BLACK
COMMON
BLUE
GROUND
GREEN
4 – WIRE
SCREEN MOTOR
SCReeN MOTOR
220/240 V. aC 50 CyCLe
BROWN (HOT)
BLUE (COMMON)
GROUND WIRE
220 / 240V
WIRING DIAGRAM
SCREEN ADJUSTMENT FOR 220/240V SCREENS
CAUTION! THE MASK SHOULD NOT BE FIELD ADjUSTED FOR MORE OR LESS DROP.
Surface travel is stopped automatically in the fully opened and closed positions by limit switches that are properly ad-
justed 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.
