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Safety
Risk of injury due to incorrect installation
Dangerous situations may arise from unsafe or incorrect installation.
► Do not carry out your own conversions or modifications on the unit.
► Ensure the integration into an Emergency Off safety circuit.
Danger of cut injuries from unexpected start up.
The use of mating plugs of the electronic drive unit (accessories) enables the automatic run-up of the
vacuum pump as soon the power is turned on. Attaching mating plugs before or during the installa-
tion leads to the movement of parts hence the risk of cut injuries by sharp-edged in the exposed high
vacuum flange.
► Only connect mating plugs after the mechanical installation.
► Only switch on the vacuum pump immediately prior to operation.
Risks during operation
Risk of burns on hot surfaces when using additional equipment for heating during operation
The use of additional equipment for heating the vacuum pump or for optimizing the process gener-
ates very high temperatures on surfaces that can be touched. There is a risk of burning.
► If necessary, set up a contact guard.
► If necessary, apply the warning stickers provided for this at the danger points.
► Ensure adequate cooling down before working on the vacuum pump or in its vicinity.
► Wear protective equipment, e.g., gloves.
Risk of serious injury in the event of vacuum pump destruction due to over pressure
Gas entry with very high over pressure results in destruction of the vacuum pump. There is a risk of
serious injury due to ejected objects.
► Never exceed the permissible 1500 hPa (absolute) inlet pressure on the suction side or the vent-
► Make sure that high, process-related over pressures cannot directly enter the vacuum pump.
Risk of injuries due to contact with vacuum when venting
While venting the vacuum pump there is a risk of minor injuries due to the direct contact of body parts
with the vacuum, e.g. hematomas.
► Do not fully unscrew the venting screw out of the housing during venting.
► Keep a distance from automatic venting device, such as venting valves.
Risks during maintenance and decommissioning
Danger to life from electric shock during maintenance and service work
The device is only completely de-energized when the mains plug has been disconnected and the tur-
bopump is at a standstill. There is a danger to life from electric shock when making contact with live
components.
► Before performing all work, switch off the main switch.
► Wait until the turbopump comes to a standstill (rotation speed f = 0).
► Remove the mains plug from the device.
► Secure the device against unintentional restarting.
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WARNING
WARNING
WARNING
WARNING
ing and sealing gas connection.
CAUTION
WARNING
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