General safety precautions
► Prevent process gases and their reaction and ancillary products that are harmful to health and the
environmental from escaping, or dispose of these according to the applicable regulations.
► Avoid contact with process gases that are harmful to health and if required, wear personal protec-
tive clothing.
► Check the media compatibility of parts carrying media.
► Observe all applicable safety and accident prevention regulations.
► Check that all safety measures are observed at regular intervals.
► Do not expose body parts to the vacuum.
► Never disconnect plug connections during operation.
► Never fill or operate the unit with cleaning agents or cleaning agent residues.
► Do not carry out your own conversions or modifications on the unit.
► Observe the unit protection degree prior to installation or operation in other environments.
► Provide suitable touch protection, if the surface temperature exceeds 70°C.
► Keep lines and cables away from hot surfaces.
► Before returning the vacuum pump, observe the notes in the chapter Service solutions.
2.4 Limits of use of the product
Installation location
Interiors, protected against the accumulation of dust and weather in-
fluences, in a non-explosive, dry environment
Protection degree IEC 60529 IP 20
Protection degree UL 50E
NEMA type 1
Installation altitude
max. 2000 m above sea level
1)
Ambient temperature
+10
℃
to +40
℃
Relative air humidity
80% at T ≤ 31 °C, to max. 50% at T ≤ 40 °C
Degree of contamination
2
Tbl. 3:
Limits of use of the product
Operations condition, status Intake pressure
Permissible intake temperature of
medium to be pumped
Continuous operation
> 100 hPa (high gas load) +10
℃
to +40
℃
Continuous operation
< 100 hPa (low gas load)
0
℃
to +60
℃
short-term (< 5 minutes)
< 100 hPa (low gas load)
-10
℃
to +80
℃
Tbl. 4:
Intake temperature limits of use
2.5 Proper use
► Use the vacuum pump for vacuum generation only.
► Adhere to the installation, commissioning, operating, and maintenance instructions.
► Do not use any accessory parts other than those recommended by Pfeiffer Vacuum.
2.6 Foreseeable improper use
Improper use of the product invalidates all warranty and liability claims. Any use that is counter to the
purpose of the product, whether intentional or unintentional, is regarded as improper use; in particular:
● Pumping of corrosive media
● Pumping of explosive media
● Pumping radioactive or volatile media
● Pumping of gases that contain impurities such as particles, dust, or condensate
● Pumping of fluids
1)
at an installation location higher than 1000 meters above sea level, there is a risk of insufficient cooling. If nec-
essary, take measures according to Directive DIN EN 61010.
Safety
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