Safety instructions
20901334_EN-US_PC3000 VARIO select Serie_V1.4_061022
21
ð
Remove the cover hood used as transport protection before
you put the device into operation.
ð
Avoid applying too much heat due to hot process gases.
ð
Observe the maximum permissible media temperature accord-
ing to the technical data.
Ensure that signs are readable
Labels and signs
Make sure that instructions and signs attached to the device remain
in a readable condition:
ð
Labels for connections
ð
Warning and information signs
ð
Motor data and type plates
2.9 Motor protection
Overheating protec-
tion, blockage pro-
tection
The pump motor has a temperature sensor on the circuit board to
protect it against overload. If the temperature is excessive or the
motor is blocked, the vacuum pump switches off.
Restart procedure
If the vacuum pump switches off due to these safety measures, the
fault must be reset manually: Disconnect the pumping unit from the
power supply -> Eliminate the cause of the error -> Restart the
pumping unit.
2.10 ATEX device category
Installation and explosive environment
Installation and operation in areas where an explosive atmos-
phere can occur in dangerous quantities is not permitted.
The user is responsible for assessing the hazards for the device, so
that any protection measures can be implemented for the installa-
tion and safe operation.
The ATEX certification applies only for the inner area in contact with
media of the of the vacuum pump, not for the surrounding area.
ATEX device marking
ATEX device category
Vacuums labeled with the marking
are certified in accordance
with the ATEX marking on the type plate.
Operation is only permitted in technically sound condition.
Содержание PC 3002 VARIO select
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