2
2.2) Typical system layout
1. Column
6. Aerial
2. Photocell
3. Key switch or digital keypad
4. Release knob
5. Flashing light
7. SUMO
8. Power line
9. Mechanical travel stops
10. A924 control unit
3
SUMO is an electromechanical actuator for automating the movement of
sectional doors and two-wing sliding doors (fi g. 3-11). The cable outlet
shaft makes it easy to connect the spring holder shaft to most of the
sectional doors available on the market. As well as powering the direct
current motor with encoder, the A924 control unit also offers precise
torque and gear motor speed adjustment, exact position detection,
gradual departure and closing, and obstacle detection. It also features a
maintenance LED which records the manoeuvres performed by the gear
motor during its working life.
The release device which disengages the motor from the gear motor can
be activated from the ground.
2.1) Preliminary checks
Before proceeding with the installation of any powered system, check
that the structure is suitable, that is, make sure it complies with current
standards.
In particular, check that: the door does not stick when opening or closing;
the door does not require a force of over 300N (30kg) to be moved;
the door is well balanced, that is, if it stops in any position it remains
motionless; the door moves silently, smoothly and doesn’t skid;
the area identifi ed for fi tting the gear motor ensures the release manoeuvre
can be made easily and safely; please remember that SUMO must power
a door (sectional or two-wing) which must be in good condition and safe;
it cannot make up for defects caused by incorrect installation or bad
maintenance.
the packaging is undamaged, please see fi g. 1;
referring to fi g. 2, check that the fi xing area is compatible with the size of
the gear motor.
Fig. 3 shows a typical installation of the gear motor.
1) Product description
2) Installation
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