Safety information
8 GA01601_002_C1 - 03/2018 - © Leybold
0.6 Risk of damaging the pump
1 Before starting up for the first time, the motor circuit must be equipped
with a suitable protective motor switch. Please take note of the infor-
mation in these Operating Instructions and on the electric motor (wiring
diagram).
2 Do not allow the ingestion of small objects (screws, nuts, washers,
pieces of wire, etc.) through the inlet port. For this reason always use
the inlet screen which is supplied as standard.
3 Do not use the pump for applications that produce abrasive or
adhesive powders or condensable vapours that can leave adhesive or
high viscosity deposits. When planning to pump vapours other than
water vapour please contact our sales or service department for
advice.
4 This pump is suited for pumping water vapour within the specified
water vapour tolerance limits.
5 Avoid vapours that can condense into liquids when being compressed
inside the pump, if these substances exceed the vapour tolerance of
the pump.
6 Before pumping vapours the TRIVAC should have attained its
operating temperature. This will be the case approximately 30 minutes
after having started the pump. During this warming up phase, the
pump should be separated from the process, by a blocking valve in
the intake line, for example.
7 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.
8 The exhaust line should be laid so that it slopes down and away from
the pump so as to prevent condensate from backstreaming into the
pump.
9 The entry of particles and fluids must be avoided under all
circumstances.
10 Reactive or aggressive substances in the pump chamber may impair
the operating oil or modify it. In addition, such substances may be
incompatible with the materials of the pump (Viton, grey cast iron, alu-
minium, steel, resins, glass etc.).
11 Normal amounts of humidity within the range of the pump’s water
vapour tolerance will not significantly affect pump performance when
the gas ballast is active.
12 When operating the pumps at gas throughput, it is urgently recom-
mended to connect an exhaust filter or use a suitable exhaust line.
Here, the exhaust line must slope down and away from the pump.
13 In the case of custom pumps (with part numbers deviating from those
stated in the EC Declaration of Conformity) please note the information
provided in the supplementary sheets.
NOTICE
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