LECTRIC2CMDF-INST.doc
01/25/2018
6
FOR UNITS WITH 6” AND 8” ROLLER OR 10 1/2” AND 13”SQ PROFILE
OPERATIONS
Refer to Figure 4, the Upper and Lower limit switches are built-in motor limit switches and have been
preset at the factory. Remove the yellow protective cap and check that both the yellow and white buttons
are out. The
white
button controls the Lower limit of the screen. The
yellow
button controls the Upper
limit of the screen.
Figure 4
It is important that the first cycle up and down of the screen be performed under control of an
attendant. The motor limit switches might have become disengaged during shipping and may not stop
the screen automatically resulting in damage to the screen.
1 -
Send the screen down to its lower limit, observing the screen roller as it unwraps the screen fabric.
The screen should stop at the correct amount of leader specified or approximately 12 inches for
standard leader. If the screen stop as conditions mentioned, skip to step 3.
2 -
If the screen continues to operate past the conditions mentioned, stop the screen and do not let it go
into reverse wrapping. Send the screen up and stop when the leader disappears into the roller. Send
the screen down and stop at the amount of leader desired. Press the
white
button to set it in, press
again to bring it out. The screen lower limit is defined.
3 -
Send the screen up, observing the screen fabric as it being takes up by the screen roller. Stop when
the screen bottom just rolls up inside the screen housing and disappears from normal viewing
location. Press the
yellow
button to set it in, press again to bring it out. The screen upper limit is
defined.
4 -
Test run the screen up and down again to ensure proper operations, replace the yellow protective cap
of the limit switches.
NOTE: The motor is protected by a Thermal Overload device! Operate the screen too often without
allowing sufficient off time could result in the thermal overload becomes engaged. If this occurs, the
motor will shut down for cooling off until enough time has passed for it to return to normal
operating temperature (approximately 15 minutes).
