Manual Operation; Electronic Control - GILGEN AS-844 R Assembly And Operating Instructions Manual

4 Start-up
4.1 Adjustment of anti-crushing system
The AS-844 R automation system is equipped with an anti-
crushing mechanical clutch which stops the opening/closing if the
gate meets an obstacle during its movement. When the obstacle
is removed, the gate resumes its movement until the relevant limit
switch trips or the safety time (TIME-OUT) is over.
Warning:
This torque limiter must be set in compliance with
current standards. In any case, the manufacturer
advises you not to exceed 150 N of force, measured
on the leaf.
Use a spring balance to ensure that the measurement is performed
accurately. To adjust the threshold of the anti-crushing system,
proceed as follows:
- Switch off the power supply.
- Keep the driving shaft in position by means of a wrench, and
adjust the clutch adjusting dowel, as shown in Fig. 13.
· To increase torque, turn the dowel clockwise.
· To decrease torque, turn the dowel counterclockwise.
Attention:
The drive unit is supplied with the clutch set to
maximum torque. Initially, the working torque of the
system must be decreased.
- Switch on the power supply and check whether the anti-
crushing system trips correctly.
Attention:
The drive unit is factory-equipped with a clutch
adjustment spring for gates weighing up to 1'000 kg.
For heavier gates, fit the spring supplied.
The procedure for replacing the spring is shown in
Fig. 15.
4.2 Start-up
- Take the electronic control UDC into operation according to the
separate operating instructions 0460-763.
- Perform a few complete cycles in order to verify whether the
automation system and all the accessories are in working
order.
Attention:
To avoid damaging the system, never remove the
connection PCB when the drive unit is running.
- Remount the cover of the drive unit and screw it down.
4680-999-04_2004.09.p65
E
5

Manual operation

Should the need arise to operate the gate manually because of a
power failure or malfunction, release it by means of the new
releasing device. Proceed as follows:
Attention:
Before giving a signal ensure that the gate will not
move manually.
- Open the lid of the lock and insert the relative key in the lock
(Fig. 23).
- Turn the key clockwise and pull the releasing lever as shown in
Fig. 24.
- To re-lock the system, return the lever of the releasing device to
its initial position.
6

Electronic control

Note:
The control is externally mounted according to the
UDC operating instructions 0460-763.
4680-999/04
AS-844 R
16-29