vds UNDER 250 Technical document

T ECHNICAL I NSTALLATION M ANUAL
UNDERGROUND OPERATOR
FOR SWINGING GATES AND DOORS
WARNING!! Before installing, thoroughly read this manual that is an integral part of
the pack
The CE mark conforms to European directive EEC 89/336 + 92/31 + 93/68
UNDER 250

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INDEX
1 PACKING CONTENTS ............................................................3
2 VIEW OF TYPICAL AUTOMATION AND NAMES OF
COMPONENTS........................................................................4
3 TECHNICAL DATA..................................................................5
4 DIMENSIONS...........................................................................6
5 TYPICAL CONNECTION AND CABLE SECTION..................6
6 INSTALLATION .......................................................................7
6.1 GATE WING OPENING ANGLE......................................................................................................... 7
6.2 BOX INSTALLATION PROCEDURE ................................................................................................... 8
6.3 ASSEMBLING THE OPERATOR AND LEVERS................................................................................. 9
6.4 FASTENING THE OPERATOR LEVER TO THE GATE.................................................................... 10
6.5 EMERGENCY RELEASE PROCEDURE........................................................................................... 10
7 TROUBLESHOOTING...........................................................11

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1 PACKING CONTENTS
This Kit contains the following items:
1 Underground operator
1 Foundation box
1 Lever kit for 90°opening
1 Release lever
Optional accessories
1 Remote control
1 Tuned antenna 433.920
1 Pair of outdoor photocells
1 Flashing light 230V
1 Outdoor key-switch
1 Sign
CHS

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2 VIEW OF TYPICAL AUTOMATION AND NAMES OF COMPONENTS
Optimal installation
1. Operators
2. Electronic control unit
3. External photocell
Internal photocell (optional)
4. Flashing warning light
5. Key-switch
6. Antenna
7. Remote control

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3 TECHNICAL DATA
UNDER 250 (230VAC)
Max. weight per wing 500 Kg
Max. width per wing 2,5 m
Motors power supply 230 V ± 10%, 50 Hz
Condenser 10 µF
Motor current input 1.2 – 1.6 A
Motor power 200W
Overload cutout 135°C
Torque given 250 Nm
Operator weight 10 Kg
Noise level < 30 dB
Protection rating IP 67
Opening time 90° 16 sec.
Mechanical release for emergency manoeuvre With toothed lever provided
Working temperature -20°C / + 55°C
UNDER 250 (24VDC)
Max. weight per wing 500 Kg
Max. width per wing 2,5 m
Motors power supply 24VDC
Motor current input 2,7 A
Motor power 60W
Torque given 200 Nm
Operator weight 10 Kg
Noise level < 30 dB
Protection rating IP 67
Opening time 90° 16 sec.
Mechanical release for emergency manoeuvre With toothed lever provided
Working temperature -20°C / + 55°C

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4 DIMENSIONS
5 TYPICAL CONNECTION AND CABLE SECTION
2 x 0.75 mm2
RX
Photocell TX Photocell
3 x 1.5 mm2
4 x 0.75 mm2
2x0.75mm2
4 x 1.5 mm2
4 x 1.5 mm2
230V line

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CONSIDERATIONS FOR INSTALLATION
•The installation and testing operations must be performed solely by qualified personnel in order to
guarantee the proper and safe operation of the automatic gate.
•The company declines any responsibility for damage caused by incorrect installations due to
incompetence and/or negligence.
•Before assembling the automatism, check that the gate is in perfect working order, hangs well on its
hinges and is suitably lubricated. It must also comply with the safety standards in force in the country of
installation.
6 INSTALLATION
Introductory note: Dig a hole big enough to hold the foundation box, calculate the required opening angle,
insert the sheath for laying the power cable and that for laying the limit switch cables (where applicable),
make water drainage holes in the ground and cement the box solidly.
6.1 GATE WING OPENING ANGLE
6.1.1 Establish the required opening angle
Internal view
Pillar
Box
position
Internal view
Box
position
Pillar

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6.2 BOX INSTALLATION PROCEDURE
6.2.1 Dig a hole big enough to hold the box
containing the operator (see F1)
6.2.2 Insert the tubes for water drainage in the
prepared holes (F1C)
6.2.3 Insert the sheath for laying the power
cables and limit switch (F1D).
Note: while positioning the box, keep in mind
the minimum distance there must be between
the pillar and the centre of rotation of the gate
hinge. (see F2)
Cement so that the box cannot be moved,
wait for it to dry and then assemble the
operator and levers.
Distance between Pillar - Hinge Centre
Distance between
Pillar - Hinge Centre

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6.3 ASSEMBLING THE OPERATOR AND LEVERS
6.3.1 Place the operator in the box and fasten it
with the nuts provided.
6.3.2 Insert the ball in the pin located on the box
and fit the gate anchorage lever (L1)
6.3.3 Insert the lever (L3) onto the motor shaft
6.3.4 Fit the connecting lever (L2)
F3
F4
F5

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6.4 FASTENING THE OPERATOR LEVER TO THE GATE
6.4.1 Insert the cover and fasten it with the screws
provided
View
6.4.2 Position the gate wing and the lever (L1) so
that they are perfectly aligned and fasten
them by welding or similar.
6.5 EMERGENCY RELEASE PROCEDURE
•Insert the key CHS provided into the appropriate
hole (V) on the lever L1 (see Fig.).
•Turn the key clockwise by about 45°
F6
F7
F8
F9