BLIZZARD 500-900 C
9
532103 - Rev.B
Tr
ansla
tion of the original instruc
tions
ENGLISH
Tr
ansla
tion of the original instruc
tions
ENGLISH
4. INSTALLATION REQUIREMENTS
!
For the minimum dimensions to prevent crushing/shearing of body
parts, refer to EN 349. For the safety distances required to prevent
danger zones being reached, refer to ISO 13857.
There should be a solid surface on the sliding gate section sufficiently
large to attach the rack to.
If the area of installation gives rise to the risk of impact by vehicles, pro-
vide for an appropriate protective structure to protect the gear motor.
4.2 ELECTRICAL SYSTEM
F
Always shut off the power supply before performing any work.
If the
disconnect switch is not in view, apply a warning sign stating “WARN-
ING - Maintenance in Progress”.
!
The electrical system must comply with applicable legislation in the
country of installation.
Use components and materials with CE marking which are compli-
ant with the Low Voltage Directive 2014/35/EU and EMC Directive
2014/30/EU.
The power supply line for the automation system must be fitted with
a 6 A omnipolar circuit breaker with a contact opening distance of at
least 3 mm, with breaking capacity which meets code.
The power supply for the automation system must be fitted with a
30 mA RCD.
The metal parts of the structure must be earthed. Check that the
protective earthing system complies with applicable regulations in
the country of installation.
The electrical cables of the automation system must be laid in appropri-
ate conduits, which may be rigid or flexible, above or below ground;
the size and insulation class must conform with applicable legislation.
Use separate conduits for power supply and low-voltage control cables.
Check buried cable plans to ensure that there are no other electrical
cables in proximity to the planned digging/drilling locations to prevent
the risk of electrocution.
Check that there are no pipes in the vicinity as well.
It is recommended to install a flashing light in a visible position to warn
when the gate is moving.
The control accessories must be positioned in a location which is not
hazardous to the user and is also accessible with the gate open. It
is advisable to position the control accessories within the field of view
of the automation system; this is obligatory when operator presence
is required for the controls.
If an emergency stop button has been installed, it must be EN13850
compliant.
The following limits apply with regard to the height from the ground:
- Control accessories = minimum 150 cm
- Emergency button = maximum 120 cm
4.1 MECHANICAL REQUIREMENTS
The mechanical structural components must comply with the require-
ments of EN 12604 and EN 12605.
Before installing the automation system, the suitability of the me-
chanical requirements must be established, and the necessary work
to reach them performed.
The essential mechanical requirements are as follows:
!
Solid ground to support the weight of the gate, the structures present
and the gear motor. There must be no chance of water accumulating
in the installation area. Flat, horizontal paving in the area of move-
ment of the sliding gate section.
Structure (columns, guides, mechanical strikers, sliding gate section)
must be solid and there must be no risk of detachment or collapse,
taking into consideration the weight of the sliding gate section, force
applied by wind and the forces generated by the gear motor.
Perform
structural calculations where necessary.
No signs of corrosion or cracking in the structure.
Sliding gate section perfectly vertical in all movement positions with
regular, uniform movement without friction.
Appropriate devices must be installed to prevent the gate from falling.
There must be a lower horizontal sliding guide in good condition; this
must be straight, with no deformations, and must be solidly fastened to
the ground and free of obstacles along its entire length. The sliding
gate section must remain in any position in which it is placed without
moving. Presence of guide wheels on the ground, with diameter
appropriate for the size and length of the sliding gate section and
profile section matching the sliding guide. The number and position
of the wheels must ensure adequate and constant distribution of the
weight at all times.
Presence of upper containing guide to prevent vertical oscillation of
the sliding gate section. The sliding gate section must not under any
circumstances come out from its guides and fall. Wheels, rollers and
bearings in good condition, lubricated and free from play or friction.
External mechanical limit stops to limit the travel of the sliding gate
section when opening and closing. The stops must be suitably sized
and solidly fastened so that they resist any impact of the sliding gate
section in the event of improper use (gate pushed and left to slide
freely). The mechanical limit stops must be positioned at 50 mm
beyond the stop position of the sliding gate section, and must ensure
that the sliding gate section remains inside its sliding guides.
The thresholds and protrusions of the paving must be appropriately
shaped in order to prevent the risk of sliding or slipping.
Safety precaution between the wall (or other fixed element) and the
furthest protruding part of the open gate to protect against the risk
of persons becoming trapped/crushed.
Alternatively, check that the
opening force required falls within the maximum permissible limits
according to applicable standards and legislation.
Safety devices installed between the fixed and moving parts to prevent
against the risk of hands being trapped.
Alternatively, apply protec-
tive elements preventing the introduction of fingers.
Safety element between the paving and lower edge of the sliding gate
section, along its entire path, providing protection from the risk of feet
becoming caught in and crushed beneath the wheels.
Alternatively,
apply protective elements preventing the introduction of feet.
No sharp edges or protruding parts should be present to ensure there
is no cutting, hooking or perforation hazard.
Alternatively, eliminate
or protect any sharp edges and protruding parts.
No slots or openings should be present on the sliding gate section or the
fencing to prevent the creation of a shearing hazard. Alternatively,
apply protective mesh to any such openings. The mesh should be
sufficiently fine to prevent introduction of body parts requiring protec-
tion, in relation to the distance between the fixed and moving parts.
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