Elektror HRD ATEX Série Instructions De Service Et De Montage page 16

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Values for the minimum volumetric fl ow rate can be found at
page 24.
Designated use excludes the following:
• Special ambient conditions, such as ambient temperature
at the place of assembly/use at temperatures of above
+40 °C or below -20°C, dust deposits, vibrations at the
place of installation/use of the blower.
• Operation near / in fl ames or hot gases. The blower must
not be used as an ignition or fl ame arrester.
• Operation in the open air without weather and sun
protection.
• Conveying of foreign matter.
• Adiabatic compression and shock waves, lightning,
electromagnetic waves, ionising radiation, ultrasound.
Special designs:
Can be provided upon request for applications in conditions
beyond those described in these instructions. In the case of
special equipment, the enclosed supplementary operating
and assembly instructions must be observed and adhered
to. The supplementary instructions diff er in certain respects
from these Operating and Assembly Instructions.
Elektror blowers off er a high level of operational reliability.
As the blowers are high-powered machines, the safety in-
structions must be strictly observed in order to avoid injuries,
damage to objects and to the machine itself.
1.3 Mechanical hazards
The mechanical hazards in Elektror blowers have been mini-
mised in accordance with the current state of the art, as well
as the requirements for safety and health protection. To elimi-
nate any further risk on the part of the operator, we recom-
mend that suitable protective gear be used and worn during
all lifecycle phases of the appliance (please refer to the in-
structions below).
1.4 Electrical hazards
Danger!
Danger from electric current!
Live components carry current and cause fatal
injuries!
Deactivate the device before opening it, reaching
into it or inserting tools into it; check that compo-
nents are not live and secure it against reactiva-
tion.
1.5 Danger when reaching in and due to unexpected
start-up
The rotating parts inside the appliance pose a high risk of
injury during operation. Before opening, reaching in or insert-
ing tools into the appliance, always shut it down and wait
until all moving parts come to a standstill. Make sure the ap-
pliance is reliably protected against restarting while work is
in progress.
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Operating and assembly instructions HRD ATEX
Also make sure that no hazardous situation can occur as a
consequence of restarting after shutdown, e.g. as a result of
a power cut or blockage.
1.6 Weight and stability
Beware of falling hazards during transportation and installa-
tion in particular. Refer to 2.1 – Transportation and handling,
as well as 3.2 – Installation and assembly.
1.7 Suction eff ect 1
Warning!
Risk of injury due to suction eff ect!
Objects, clothing and hair can be sucked in at the
intake port.
The operator is required to wear a hairnet and
tight-fi tting clothing.
Do not stay near the suction opening during
operation!
1.8 Blowing eff ect 2
Warning!
Risk of injury due to strong blow-out eff ect of the
medium and ejected parts!
Impurities, debris and impermissible media may
cause objects to be thrown out of the fan outlet at
high speed!
Make sure that the fan delivers only clean air!
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1.9 Temperature
Warning!
The motor-/blower housing can take on the tem-
perature of the medium to be conveyed during
operation. If this is above +50°C, the owner must
protect the blower against direct contact (risk of
burning!).
There can be an increase in the temperature of the medium to
be conveyed, particularly with higher pressure models, when
conveying the medium from the air intake side to the discharge
side. This temperature diff erence can lie within a range of up
to +20°C depending on the model and operating conditions.
1.10 Motor Protection Circuit
To prevent inadmissible heat-up from overload, each motor
shall be protected by an ATEX-compatible monitoring device
or motor overload switch. Overload protectors with cut-out
delay depending on the current shall be installed to monitor
the rated current consumption in all conductors and shall be
able to switch off the blocked motor within the heat-up time t
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