4. Note the information on the IP type of protection.
2.3 Thermal hazards
CAUTION:
The surface of the pump may attain temperatures over 80 °C. Ther
e is the risk of burn
injury.
1. Before servicing and maintenance work, always leave the pump to
cool down.
2.4 Hazards caused by materials and substances
DANGER:
Before commissioning the pump, make sur
e that the media which are to be pumped
are compatible with each other so as to avoid hazardous situations. Observe the
instructions for proper and improper use of the pump in Conforming Use.
2.5 Noise hazard
CAUTION:
The noise level of the pump during ultimate pressur
e operation corresponds to the
values stated in the technical data. In other operating modes and depending on the
connected vacuum system, higher values can be expected. Make sure that suitable
protection measures are taken to protect your hearing.
2.6 Risk of damaging the pump
1. Before starting up for the rst time, the motor circuit must be equipped
with a suitable pr
otective motor switch. Please take note of the
information in these Operating Instructions and on the electric motor
(wiring diagram).
2. Do not allow the ingestion of objects (screws, nuts, washers, pieces of
wire, etc.) through the inlet port. If required, use an inlet lter.
3. Do not use the pump for applications that produce abrasive or
adhesive powder vapour sales or service department for advice.
4. This pump is suited for pumping water vapour within the specied
water vapour tolerance limits.
5. Avoid vapour that can condense into liquids when being compressed
inside the pump, if these substances exceed the vapour tolerance of
the pump.
6. In the case of wet processes we recommend the installation of liquid
separators upstream and downstream of the pump as well as the use
of the gas ballast.
7. The exhaust line should be laid so that it slopes down and away from
the pump so as to prevent condensate from back streaming into the
pump.
8. Avoid the entry of particles and uids.
9. The air intakes of the pump and the motor must remain free.
300766038_002_C3 - 09/2021 - © Leybold
8
Important Safety Information
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