User guide

page 8 of 61
Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999248 / 28/04/2011
☞ Alwaysprovideafreeandpressurelessexhaustpipeline.
☞ Max.permitted pressure at the pressure transducer: 1.5 bar (absolute).
☞ Avoid overpressure of more than 0.2 bar in case inert gas is connected to the
pump, the gas ballast connection or to a venting valve.
• Complywithmaximum permissible pressures at inlet and outlet and pressure
differences, see section ”Technical data”. Do not operate the pump with overpres-
sure at the inlet.
• Check that mains voltage and current conform with the equipment (see rating
plate).
• Connectpipesgastightatinletandoutletofthepump.
• Attention:Flexibleelementstendtoshrinkwhenevacuated.
Provide a rm level platform for the equipment and check that the system to be
evacuatedismechanicallystableandthatallttingsandhoseconnectionsarese-
cure.Ensureastablepositionofthepumpwithoutanymechanicalcontactexceptof
the pump feet. Comply with all applicable safety regulations.
Keep a distance of minimum 20 cm between fan and ambient parts (e.g. housing,
walls,...).Checkfanregularlyfordust/dirt,cleanifnecessarytoavoidacutbackof
ventilation.
If the equipment is brought from cold environment into a room for operation, allow
the equipment to warm up (pay attention to water condensation on cold surfaces).
The diameter of the inlet and outlet pipeline should be at least as large as the diam-
eter of the pump connection pipelines.
Comply with all applicable and relevant safety requirements (regulations and
guidelines), implement the required actions and adopt suitable safety meas-
ures.
1.4 Ambient conditions
Tothebestofourknowledgetheequipmentisincompliancewiththerequirements
of the applicable EC-directives and harmonized standards (see ”Declaration of con-
formity”) with regard to design, type and model. Directive EN 61010-1 gives in detail
conditions under which the equipment can be operated safely (see also IP degree of
protection).
Adopt suitable measures in case of differences, e. g. using the equipment outdoors,
installation in altitudes of more than 1000 m above mean sea level, conductive pol-
lution or bedewing.
Pay attention to the permissible maximum ambient and gas inlet temperatures
(see ”Technical data”).
1.5 Operating conditions
➨ The pumps have no approval for operation in or for pumping of potentially
explosive atmospheres.
➨ The pumps are not suitable to pump
- unstable substancesandsubstanceswhichreactexplosivelyunder
impact (mechanical stress) and/or when being exposed to elevated
temperatures without air,
- self inammable substances,
- substances which are inammable without air and
- explosive substances.
NOTICE
NOTICE