VACUUBRAND MZ 2C EX +IK+EK - Manual (Page 12)

page 12 of 75
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.: 999128 / 29/04/2014
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.
☞ If not using genuine spare parts the ATEX conformity becomes invalid.
Do not start the pump if the pressure difference between inlet and outlet port ex-
ceeds 1.1 bar at maximum.
Prevent the backpressure of gases and the backflow of condensates.
Never suck liquids or dust into the pump.
Ensure that in case of failure the pump and the vacuum system always will turn into
a safe status.
Provide appropriate protective measures (i.e. precautions which allow for the re-
quirements of the respective application) even for the case of failure and malfunc-
tion.
Failure of the pump (e.g. due to power failure) or of connected components, parts
of the supply or change of parameters must not lead to a critical dangerous situa-
tion under any circumstances. In case of diaphragm cracks or leaks in the manifold
pumped substances might be released into the environment or into the pump hous-
ing or motor. Comply especially with notes on operation and use and maintenance.
• Due to the residual leak rate of the equipment, there might 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.
Safety during operation
➨ Adopt suitable measures to prevent the release of dangerous, toxic, explosive,
corrosive, noxious or polluting fluids, vapours and gases. In case install an ap-
propriate collecting and disposal system and take protective action for pump and
environment.
➨ Prevent any part of the human body from coming into contact with vacuum.
➨ Potentially explosive mixtures at the outlet of the pump have to be drained ap-
propriately, sucked off or diluted with inert gas to non-explosive mixtures.
☞ Pay attention to the symbol ”hot surfaces” on the equipment. Adopt suitable
measures to prevent any danger arising from the formation of hot surfaces or
electric sparks. Provide a suitable protection against contact if necessary.
☞ Always provide free and pressureless exhaust pipelines.
☞ Ensure that the coolant outlet pipeline is always free and that it cannot get
blocked.
Check liquid level in both catchpots regularly and drain condensate in time.
☞ 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 con-
taminated.
• Comply with applicable regulations when disposing of chemicals. Take into con-
sideration that chemicals may be polluted.
Take adequate precautions to protect people from the effects of dangerous sub-
stances (chemicals, thermal decomposition products of fluoroelastomers), wear
appropriate safety-clothing and safety glasses.