pizzato HP AA Serie Manual De Instrucciones página 7

6.3 Mechanical stop
Attention: The door must always be provided with an independent end-limit
mechanical stop at limit of travel.
The hinge must never be responsible for stopping the door at the limit of travel, both
when opening and closing.
6.4 Maintenance and functional tests
Attention: Do not disassemble or try to repair the device. In case of any malfunction
or failure, replace the entire device.
Attention: In case of damages or wear it is necessary to change the whole device.
Correct operation cannot be guaranteed when the device is deformed or damaged.
- The installer is responsible for establishing the sequence of functional tests to which
the device is to be subjected before the machine is started up and during maintenance
intervals.
- The sequence of the functional tests can vary depending on the machine complexity
and circuit diagram, therefore the functional test sequence detailed below is to be
considered as minimal and not exhaustive.
- Perform the following sequence of checks before the machine is commissioned and
at least once a year (or after a prolonged shutdown):
1) Open the guard while the machine is moving. The machine must stop immediately.
The stopping time of the machine must be always shorter than the time required by the
operator for opening the guard and reaching the dangerous parts.
2) Try to start the machine while the guard is open. The machine must not start.
3) All external parts must be undamaged.
4) If the device is damaged, replace it completely.
5) The device must be securely locked to the door; make sure that none of the machine
operator's tools can be used to disconnect the device from the door.
6) The device has been created for applications in dangerous environments, therefore
it has a limited service life. Although still functioning, after 20 years from the date
of manufacture the device must be replaced completely. The date of manufacture is
placed next to the product code (see paragraph MARKINGS).
6.5 Wiring
Attention: Check that the supply voltage is correct before powering the device.
- Keep the charge within the values specified in the electrical operation categories.
- Only connect and disconnect the device when the power is off.
- Do not open the device for any reason.
- Always connect the protection fuse (or equivalent device) in series to the safety
electrical contacts.
- During and after the installation do not pull the electrical cables connected to the
device.
- For devices with integrated cable, the free end of the cable (if it does not have a
connector) must be properly connected inside a protected housing. The cable must be
adequately protected from cuts, impacts, abrasion, etc.
6.6 Additional prescriptions for safety applications with operator protection fun-
ctions
Provided that all previous requirements for the devices are fulfilled, for installations
with operator protection function additional requirements must be observed.
- The utilization implies knowledge of and compliance with following standards:
EN 60947-5-3, EN ISO 13849-1, EN 62061, EN 60204-1, EN ISO 14119,
EN ISO 12100.
6.7 Limits of use
- Use the device following the instructions, complying with its operation limits and the
standards in force.
- The devices have specific application limits (min. and max. ambient temperature,
mechanical endurance, IP protection degree, etc.) These limitations are met by the
device only if considered individually and not as combined with each other.
- The manufacturer's liability is to be excluded in the following cases:
1) Use not conforming to the intended purpose;
2) Failure to adhere to these instructions or regulations in force;
3) Fitting operations not carried out by qualified and authorized personnel;
4) Omission of functional tests.
- For the cases listed below, before proceeding with the installation contact our
technical assistance service (see paragraph SUPPORT):
a) In nuclear power stations, trains, airplanes, cars, incinerators, medical devices
or any application where the safety of two or more persons depend on the correct
operation of the device;
b) Applications not contemplated in this instruction manual.
6.8 Maximum forces and loads (for HP AA••••-•••, HC AA, HC LL items)
The device is designed to withstand maximum forces of
1000 N
1500 N in the vertical direction, 1000 N in the horizontal
max
direction, and a maximum torque of 25 Nm, regardless of
25 Nm
max usage conditions.
Attention: Never exceed the loads listed above under
1500 N
any circumstances.
max
The maximum loads have been verified by a fatigue
test of one million operating cycles with a 90° opening angle. One operation cycle
means two movements, one to close and one to open contacts.
- Where two or more hinges are installed on the same door, the total weight of the door
must never be greater than 1500 N.
- Where a single hinge is installed on the same door, the total weight of the door must
never be greater than 250 N.
- When installing on doors with a base or height greater than 300 mm, always use at
least one second hinge from the same series.
- When installing on doors with a base larger than 800 mm or height greater than 1600
mm, always use at least three hinges from the same series. Always install the two
additional door hinges first. The safety hinge must be installed last, so that the weight
of the door is supported primarily by the two additional hinges.
Solution with one safety hinge
A
D
F
max
100 min - 300 max
Fmax (N) = 25,000/D (mm)
Solution with one safety hinge and two
additional hinges
B
A
D
F
max
B
200 min - 1000 max
Fmax (N) = 250,000/D (mm)
6.9 Maximum forces and loads (for HP AB••••-•••, HC AB items)
The device is designed to withstand maximum forces of
500 N
750 N in the vertical direction, 500 N in the horizontal
max
12 Nm
direction, and a maximum torque of 12 Nm, regardless of
max
usage conditions.
750 N
max
under any circumstances.
The maximum loads have been verified by a fatigue test of one million operating
cycles with a 90° opening angle. One operation cycle means two movements, one to
close and one to open contacts.
- Where two or more hinges are installed on the same door, the total weight of the door
must never be greater than 750 N.
- Where a single hinge is installed on the same door, the total weight of the door must
never be greater than 125 N.
- When installing on doors with a base or height greater than 300 mm, always use at
least one second hinge from the same series.
- When installing on doors with a base larger than 800 mm or height greater than 1600
mm, always use at least three hinges from the same series. Always install the two
additional door hinges first. The safety hinge must be installed last, so that the weight
of the door is supported primarily by the two additional hinges.
Solution with one safety hinge
D
F
max
100 min - 300 max
Fmax (N) = 12,500/D (mm)
7/24
Solution with one safety hinge and one
additional hinge
D
F
max
150 min - 800 max
Fmax (N) = 200,000/D (mm)
Legend
Fmax: Force exerted by the weight of
the door (N)
D: Distance from the centre of gravity of
the door to the axis of the hinge (mm)
A: Safety hinge
B: Additional hinge
All values in the drawings are in mm.
Attention: Never exceed the loads listed above
Solution with one safety hinge and one
additional hinge
A
D
F
max
150 min - 800 max
Fmax (N) = 100,000/D (mm)
A
B
A
B