Section 8 -
Limit Adjustments
(Standard Motors)
"Down" Limit Adjustment
(requires
5/32
" (4mm) Allen wrench)
To Reduce Screen Drop:
1.
Raise screen surface approximately 1'
(30cm)
above desired setting and turn
off.
2.
Turn DOWN
(I)
limit screw clockwise
(3 screw turns =
1/2
roller revolution)
.
3.
Test by lowering screen. Repeat steps 1 & 2 until desired position is reached.
To Increase Screen Drop:
1.
Lower screen to down limit.
2.
With down switch on, turn DOWN
(I)
limit screw counterclockwise
(3 screw turns = 1/2 roller revolution)
to increase drop.
3.
Test by raising screen approximately 1'
(30cm)
then lower to new down limit.
4.
Repeat steps 2 and 3 until desired position reached.
Please Note:
For Quiet Motor with alternate limit screws:
WHITE screw = UP and RED screw = DOWN.
(Fig. 10)
.
Figure 7
CAUTION:
- Be sure all switches are in “off" position before adjusting limit switches.
- Be prepared to shut off manually while testing.
- Screen may be damaged by lowering it too far and exposing roller.
- Motor must be installed so that limit switches are pointed down.
Left hand motor:
White Socket—Down
Yellow Socket—Up
Right hand motor:
White Socket—Up
Yellow Socket—Down
Left hand motor:
White Socket—Up
Yellow Socket—Down
Right hand motor:
White Socket—Down
Yellow Socket—Up
Left hand motor:
White Socket—Down
Yellow Socket—Up
Right hand motor:
White Socket—Up
Yellow Socket—Down
Waterfall Roll
Standard Roll
Motor
End
Audience
Side
Motor
End
Audience
Side
Reverse Roll
Motor
End
Back
Side
CAUTION:
DO NOT allow dowel to wrap over roller when operating screen!
This could damage screen.
Figure 6
Please Note:
Screen limits are factory set for optimum performance. Any
adjustment of these limits could void the warranty. Please check with
Draper prior to resetting screen limits.
Please Note:
If Screen is “Right Hand Motor" the WHITE/DOWN
(I)
and
YELLOW/UP
(II)
limit screws are reversed
(Fig. 7)
.
lI
I
+
+
DOWN Limit (I)
Clockwise decreases
down
travel.
UP Limit (II)
Counterclockwise
increases
up
travel.
DOWN Limit
(I)
:
Clockwise
decreases
down
travel.
UP Limit
(II)
:
Counterclockwise
increases
up
travel.
Section 7 -
Electrical Connections
CAUTION:
All operating switches should be "off" before power is connected. Plug-in power cord option available with built-in low-voltage motor.
•
Screen operates on 220V
AC, 50 Hz. or 60 Hz.,
.55 Amp, 1 ph. current
draw. Duty cycle: On 28
seconds/Off 4 minutes.
•
Junction box is located inside left
endcap and cover plate secures to
endcap with two screws which may
be removed with star key or small
flat head screwdriver. Junction box
contains red, black, and white pigtail
leads and green internal ground
wire, per wiring diagram.
Please Note:
Screen must be installed
in accordance with the requirements of
the Local Building Codes, the Canadian
Electrical Code
(CEC)
, CAN/CSA C22.1, and
the National Electric Code
(NEC)
, NFPA 70.
An appropriate disconnect device shall be
provided as part of the building installation.
Please Note:
Do NOT wire motors in parallel.
•
Screen ships complete
with internal wiring. Control
switch
(es)
may be packed
in cartons separate from
screen. Wire connecting
screen to switch
(es)
and
switch
(es)
to power supply
furnished by installer.
"Up" Limit Adjustment
If Screen Raises Too High:
1.
Lower screen surface approx. 1'
(30cm)
below desired setting
and turn off.
2.
Turn UP
(II)
limit screw clockwise
(3 screw turns = 1/2 roller revolution).
3.
Test by advancing screen up.
4.
Repeat steps 1 through 3 until desired position is reached.
If Screen Needs to Raise Higher:
1.
Lower screen surface approx. 1'
(30cm)
below desired setting
and turn off.
2.
With UP switch on, turn UP
(II)
limit screw counterclockwise
(3 screw turns =
1/2
roller revolution)
.
3.
Repeat steps 1 and 2 until desired position is reached.
page 8 of 12
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