Da-Lite Boardroom ElEctrol Buku Instruksi - Halaman 4

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Da-Lite Boardroom ElEctrol Buku Instruksi
Boardroom Electrol
120V Wiring Diagram
NOTE: A single switch cannot be used to operate more than
one screen. Contact the factory for further information.
Screen Adjustment For 120V Screens
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 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.4) 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.4) one-quarter turn
clockwise. Test by raising picture surface approximately two
feet, then lower again. Repeat until desired picture surface
position is attained.
4
Installation 120V Screens
®
To junction box mounted in
screen case, in which internal
wiriing teminates in white, black,
and red leads.
Black
(Down)
Up
Off
Down
Side View of
Switch & Box
This switch cannot be used with L. V .C.
Black
White
Red
AC Common
AC Hot
120V. AC 60 HZ
1 AMP. MAX.
Black With
Yellow
Red
(Up)
CAUTION! Do not adjust for more drop than what was
ordered. At least 1-1/2 wraps of fabric must remain on the
roller. This screen comes standard with 0" or 2" black at
the top. See the specification data sheet for details.
Adjustment White
Knob "Down"
Access
Door
Fabric
Door
Normally
Closed
Door
Limit
Switch
Operating switch and
plate furnished with
screen. (SPDT with
center off)
Screen
Motor
Figure 4
Motor
In multiple control
installations the switch
is replaced by the low
voltage control,
operated from push
button stations.
Adjustment Red
Knob "Up"