Rollshutter Installation Instructions, 20
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Turnable Limit Switches: Next to each limit switch there is a large arrow, plus two smaller arrows of which one is labelled
with a "+" sign and one with a "-" sign. The large arrow corresponds to the rotation of the shaft in that direction ("up"
or "down" direction of the unit). It means that the limit switch next to that large arrow is responsible for shut- ting off
the motor in that direction.
Lower Limit Adjustment
Note: The Rollshutter curtain is attached to the shaft at this time and somewhere near the fully closed position.
In this section, only work with the limit switch that corresponds to the "down" direction.
Switch and hold the tester cable so that the motor has power for running the shaft in the "down" direction. The motor
will not actually move since the lower limit switch has cut off power previously. Turn the limit switch towards the "+"
sign. After a little bit of turning the motor will start and then come to a stop. Continue turning the limit switch towards
the "+" sign until the shaft is at the correct position. Stop applying power. The lower limit is set.
Problem: The "down" limit is set further than desired.
Solution: Switch the tester cable to the "up" direction and run the curtain up about 2 feet (60 cm). Stop the Rollshutter
by switching the tester cable to "stop". Turn the "down" limit switch towards the "-" sign for 3 to 5 rotations while the
shutter is going down. Let the Rollshutter go down until the limit switch stops it. Continue to apply power. The
Rollshutter stopped sooner than required. Now turn the limit switch towards the "+" sign and let the motor follow in
small jumps until it reaches the correct position.
Warning: If the motor is stopped at the lower limit and the limit switch is turned towards the "-" sign. If this is done,
parts inside the motor will be cracked and the damage may not become apparent until quite some time later when the
limit fails and the Rollshutter continues to run indefinitely.
Upper Limit Adjustment
Note: In this section, only work with the limit switch that corresponds to the "up" direction.
Turn the limit switch towards the "-" sign about 15 turns while running up. Let the motor run until it reaches the limit
and stops on its own. At this point the Rollshutter curtain should be somewhere between fully "up" and fully "down". If
the motor didn't stop before the curtain reached the fully "up" position, stop the motor with the tester cable, run the
motor down again and turn the limit switch 5 - 10 more turns towards the "-" sign. Repeat running the motor up again.
Even though the motor has now stopped, continue to apply power through the tester cable. Turn the limit switch
towards the "+" sign. After a little bit of turning the motor will start and then come to a stop. Continue turning the
limit switch towards the "+" sign until it reaches the point where the bottom profile is just fully inserted in the guide
rails. Stop applying power. The upper limit is set.
Problem: The "up" limit is set higher than desired.
Solution: Switch the tester cable to the "down" direction and run the curtain down about 2 feet (60 cm). Stop the
Rollshutter by switching the tester cable to "stop". Turn the "up" limit switch towards the "-" sign for 3 to 5 turns.
Switch the tester cable to "up". Let the motor go up until the limit switch stops it.
Continue to apply power, the Rollshutter stopped sooner than required. Now turn the limit switch towards the "+" sign
and let the motor follow in small jumps until it reaches the desired position.
Warning: If the motor is stopped at the lower limit and the limit switch is turned towards the "+" sign. If this is done,
parts inside the motor will be cracked and the damage may not become apparent until quite some time later when the
limit fails and the Rollshutter continues to run indefinitely.