Notice – VACUUBRAND BVC 21 NT VARIO User Manual
Page 7
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.: 999157 / 10/12/2009
• Use the system only in combination with the integrated hydrophobic filter (steriliz-
able) to protect pump and environment (people).
• 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 substances (chemicals, thermal decompo-
sition products of fluoroelastomers), wear appropriate safety-clothing and safety
glasses.
• Never operate a defective or damaged device.
• Check the collecting bottle regularly for fissures. Do never use a collecting bottle
with fissures nor expose it to vacuum.
• Use only
OEM spare parts and accessories. Otherwise safety and perform-
ance of the equipment as well as the electromagnetic compatibility of the equip-
ment might be reduced.
Possibly the CE mark or the cTÜVus mark (see rating plate) become void if not
using OEM spare parts
Ensure that in case of failure the system always will turn into a safe status. Provide
appropriate protective measures (i.e precautions which allow for the requirements of
the respective application) even for the case of failure and
malfunction. Operating
the pump, stand still of the pump or venting must not lead to a critical dangerous
situation under any circumstances.
Electronic equipment is never 100% fail-safe. This may lead to an indefinite status
of the equipment. Failure of the pumping unit (e. g. by power failure) or connected
components, parts of the supply or change of parameters must not lead to a criti-
cal dangerous situation 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 housing. Comply especially with notes on operation and use and
maintenance.
Maximum liquid level in collecting bottle: approx. 80 %, depending on the ap-
plication (in case of low boiling liquids or in case of suction of liquids which tend to
foam, the maximum liquid level might be reduced).
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.
In case of overload the motor is shut down by a
self-hold thermal cutout in the
winding.
Attention: Reset possible only manually. Switch off the pump or isolate the equip-
ment from mains. Identify and eliminate the cause of failure. Wait approx. five min-
utes before restarting the pump.
Attention: In case of supply voltage below 100V, the lock of the cutout might be
restricted and the pump might restart on its own after sufficient cooling down. Take
suitable precautions, if an automatic restart of the pump may lead to a critical dan-
gerous situation.
The A-weighed emission sound pressure level of the pump does not exceed 70
dB(A). Measurement according to EN ISO 2151:2004 and EN ISO 3744:1995 with
standard silencer or exhaust tube at outlet.
NOTICE