VACUUBRAND VNC 1 - Manual (Page 5)

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.: 999118 / 16/12/2009
page 5 of 35
☞ Failure of the device (e. g. by power failure) or of connected components must not
lead to a critical dangerous situation under any circumstances.
Electronic equipment is never 100% fail-safe. This may lead to an ill-defined status of
the equipment or of other connected devices. Provide protective measures against
misfunction and failure. Ensure that in case of failure the controller and the vacuum
system always will turn into a safe status.
Attention: If Auto-Start (Auto-St.) is preselected, the process starts immediately
after switching on the controller without pressing any further key. It is the user’s respon-
sibility to ensure that no dangerous status of the system due to the automatic startup
of the pump,e.g. after a power failure, can occur and to provide appropriate safety
measures. If necessary, the user has to check prior to using the equipment if the
option ”Auto-Start” is enabled.
Use only genuine spare parts and accessories.
☞ Otherwise safety and performance of the equipment as well as the electromagnetic
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 vacuum controller from the
vacuum system and the electrical supply.
Wait two minutes after isolating the equipment from mains to allow the capacitors to
discharge.
Attention: Due to the operation the device might be contaminated by harmful or dan-
gerous substances.
Interior components of the controller can only be repaired at the factory.
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 certain
procedures (see section “Notes on return to the factory“) are followed.
The controller is equipped with a short circuit proof wide-range power supply with
integrated overload protection.