Fitting The Electronic Control Unit; Final Adjustments; Adjustment Of The Slowdown Cams; Final Operations - Aprimatic EM 51 ALZO Instrucciones Para La Instalación

Installation
5.2

FITTING THE ELECTRONIC CONTROL UNIT

Remove the casing that protects the electronic control unit.
Unscrew and remove the casing securing screws, in points
(fi g.24 - 1, 2), ake care not to damage the microswitch cable
on the right side of the EM 51.
Caution
The control unit is now without protection, please take
great care not to damage the components and ensure that
electrical connections and adjustments are performed
by QUALIFIED PERSONNEL.
The instructions for the electronic control unit are inside
the operator package, please read these carefully before
connecting up to the electric power supply.
NOTE: The holes for the passage of the electrical cables
are indicated in fi g. 25.

5.2.1 FINAL ADJUSTMENTS

Carry out the fi nal adjustments with great care:
• Opening and closing dumping adjustments (for a smooth
nearing movement toward opening and closing limits);
• Adjustment of the drive force of the operator by electronic
control unit (see the Control unit instructions).
Perform a few opening and closing operations to check
correct functioning.
WARNING - Mechanical play and imbalances may cause the
door to move slightly when it is in the closed position with
the motor stopped. If this is the case, we recommend that
you check the adjustment of the slowdown cams and disable
the reverse stroke during closing (see the instructions for
the electronic control unit).

5.2.2 ADJUSTMENT OF THE SLOWDOWN CAMS

The EM 51 operator is supplied by the manufacturer with the
cam disk adjusted to be fi tted in the door closed position,
without having to move anything. The microswitch (fi g.27 -
1) is energised by the fi xed cam (fi g.27 - 2); the cam disk is
fi xed to the spline shaft (fi g.27 - 3).
• Release the operator with the key (fi g.28 - 1) open the
door manually.
• When the door is open, move the mobile cam (fi g.27 - 4)
so that it energises the microswitch (fi g.27 - 1);
• Block the mobile cam with the screw (fi g.27 - 5) in the chosen
position inside the slot on the cam disk.
• Close the door.
• Block the drive as described in par.6.

5.2.3 FINAL OPERATIONS

• Replace the casing (fi g.29 - 4) on the electronic control unit.
Take care not to damage the cables and electronic
components.
Fig.28
Fig.24
Fig.25
Fig.26
Fig.27
1
- 20 -
2
1
2
4
1
5
1
3
4
3
2