Da-Lite Boardroom ElEctrol Livro de instruções - Página 5
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BOARDROOM ELECTROL
220 / 240V
WIRING DIAGRAM
NOTE: A SINGLE SWITCH CANNOT BE USED TO OPERATE MORE THAN
ONE SCREEN. CONTACT THE FACTORY FOR FURTHER INFORMATION.
SCREEN ADJUSTMENT FOR 220/240V SCREENS
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 5/32" allen wrench to make adjustments.
MORE SCREEN DROP
1. Place operating switch in "down" position.
2. When the screen stops, turn the white "down" limit knob (Fig.5)
one-quarter turn counterclockwise. Test by raising picture surface
approximately two feet, then lower again. Repeat until desired
picture surface position is attained.
LESS SCREEN DROP
1. Raise picture surface approximately two feet above desired level.
2. Place operating switch in "off" position.
3. Turn the white "down" limit knob (Fig.5) one-quarter turn clockwise. Test
by raising picture surface approximately two feet, then lower again. Repeat until desired picture surface position is
attained.
If the surface door does not close flush with the access door, it may become necessary to adjust the door limit
switch (Fig.5). Turn the adjusting knob (counterclockwise if door is not closing enough; clockwise if door is closing
too much) in increments of one-quarter turn until the surface door is flush with the access door.
▲
!
CAUTION! Do not over adjust. This will place unnecessary strain on the fabric slat pocket and could cause damage to the
screen surface.
INSTALLATION 220/240V SCREENS
®
TO JUNCTION BOX MOUNTED IN
SCREEN CASE, IN WHICH INTERNAL
WIRING TERMINATES IN BLUE,
BROWN, AND BLACK LEADS.
UP
BROWN/YELLOW
OFF
ROCKER
SWITCH
DOWN
REAR VIEW OF DPDT,
BLUE JUMPER WIRE
WITH CENTER OFF.
BROWN
BLUE
BLACK
NORMALLY
CLOSED
DOOR
LIMIT
SWITCH
OPERATING SWITCH,
SWITCH BOX, AND PLATE
FURNISHED WITH SCREEN.
JUNCTION
BROWN AC HOT
BLUE AC COMMON
220/240V. AC 50HZ.
2 AMP. MAX
ADJUSTMENT WHITE
KNOB "DOWN"
FABRIC
DOOR
DOOR SWITCH ADJUSTMENT
4
MOTOR
NOTE:
MUST BE WIRED TO CONFORM TO
LOCAL WIRING CODE. THIS SWITCH
CANNOT BE USED WITH L.V.C.
BOX
IN MULTIPLE CONTROL INSTALLA-
TIONS THE SWITCH IS REPLACED
BY THE LOW VOLTAGE CONTROL,
OPERATED FROM PUSH BUTTON
STATIONS.
SCREEN
MOTOR
ACCESS
DOOR
FIGURE 5
ADJUSTMENT RED
KNOB "UP"