Documents are only to be used and distributed completely and unchanged, especially including the section ”Safety information”. This is page 6 of a document consisting of
49 pages. The instructions for use describe only the actual product. If the product is older or newer than the date of writing, it is strictly the users´ responsibility to check carefully
the validity of the document (if in doubt, order appropriate instructions for use). 99 90 34 / 12/09/2003
Pumping at
high inlet pressure
may lead to overpressure at the gas ballast valve.
☞
Pumped gases or condensate might be pushed out in case the valve is open.
☞
If an inert gas supply is connected, ensure that the inlet pipeline is not contami-
nated.
The controller is equipped with a
short circuit proof transformer
with an integrated
overload protection (no fuses).
☞
Failure of the pump (e. g. by power failure) or connected components, parts of the
supply (e. g. coolant) or change of parameters (e. g. increase of pressure in the
coolant system) must not lead to a critical dangerous situation under any circum-
stances.
Electronic equipment is never 100% fail-safe. This may lead to an indefinite status of
the equipment. Provide protective measures against misfunction and failure.
☞
Operating the pump with high or low frequency, stand still of the pump or operating
the air admittance valve must not lead to a critical dangerous situation under any
circumstances.
Ensure that in case of failure the pump and the vacuum system always will turn into a
safe status.
☞
In case of diaphragm cracks or leaks in the manifold pumped substances might be
released into the environment or into the pump housing. To reduce the risk of leaks,
ask for a diaphragm pump with additional safety diaphragm.
☞
Obey especially notes on operation and use and maintenance.
Use only
genuine spare parts and accessories.
☞
Otherwise safety and performance of the equipment as well as the electromag-
netic compatibility of the equipment might be reduced.
Ensure that maintenance is done only by suitably trained and supervised technicians.
Ensure that the maintenance technician is familiar with the safety procedures which
relate to the product processed by the vacuum system and that the equipment, if
necessary, is appropriately decontaminated before starting maintenance.
Obey local and national safety regulations.
Before starting maintenance vent the system, isolate the pump and other components
from the vacuum system and the electrical supply, drain condensate and allow suffi-
cient cooling of the pump.
Before starting maintenance, wait two minutes after isolating the equipment from mains
to allow the capacitors to discharge.
Never operate the pump if covers or other parts of the pump are disassembled.
Never operate a defective or damaged pump.
Repair of the gauge head VSK 5 is not possible.
In order to comply with law (occupational, health and safety regulations, safety at work
law and regulations for environmental protection) vacuum pumps, components and
measuring instruments returned to the manufacturer can be repaired only when cer-
tain procedures (see section
“Notes on return to the factory“
) are followed.
☞
Avoid high heat supply (e. g. due to hot process gases).
☞
Ensure sufficient air admittance if pump is installed in a housing.
Due to the residual
leak rate of the equipment
, there may be an exchange of gas,
albeit extremely slight, between the environment and the vacuum system.
☞
Adopt suitable measures to prevent contamination of the pumped substances or
the environment.
