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
● Pumping FPM-solubilizing media
● Pumping vapors from combustible liquids
● Pumping pressurized media (> atmospheric pressure)
● Pumping media that can condense or cause adhering deposits to form in the suction chamber
● Use of the vacuum pump outside the specified area of application
● Using the vacuum pump below ground
● Using the vacuum pump to generate pressure
● Using the vacuum pump in systems in which sporadic loads and vibrations or periodic forces act
on the unit
● Using the vacuum pump in strong electrical, magnetic, or electromagnetic fields
● Connection to vacuum pumps or equipment which are not suitable for this purpose according to
their operating instructions
● Connection to devices with exposed live parts
● Connecting to sockets without earthing contact
● Using pipes to lift the vacuum pump
● Use of accessories or spare parts that are not listed in these instructions
● Using the vacuum pump as a climbing aid
● Using the connection lines between the diaphragm heads as carrying handles
● Using the pump in ambient conditions that do not meet the specified IP protection degree limits
2.7 Personnel qualification
The work described in this document may only be carried out by persons who have appropriate profes-
sional qualifications and the necessary experience or who have completed the necessary training as
provided by Pfeiffer Vacuum.
Training people
1. Train the technical personnel on the product.
2. Only let personnel to be trained work with and on the product when under the supervision of
trained personnel.
Safety
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