6
Safety
2
Safety
2.1
Safety precautions
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Do not expose any body parts to the vacuum.
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Observe all safety and accident prevention regulations.
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Regularly check the proper observance of all safety measures.
●
Always ensure a safe connection to the protective earthing conductor (PE, protection
class I).
●
Do not loosen any plug connection during operations.
●
Wait for the rotor to reach standstill before peforming work on the high vacuum flange.
●
Keep leads and cables well away from hot surfaces (> 70 °C).
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Never fill or operate turbopump with cleaning agent.
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Do not operate the turbopump with open high vacuum flange.
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Do not carry out any unauthorised modifications or conversions to the pumps.
●
The unit has been accredited with protection class IP 20. Take necessary measures
when installing into ambient conditions, which afford other protection classes.
Duty to inform
Each person involved in the installation, operation or maintenance of the pumping
station must read and observe the safety-related parts of these operating instuctions
and the components instructions.
The operator is obligated to make operating personnel aware of dangers originating
from the vacuum pump, the pumped medium or the entire system.
NOTICE
Checking the safety system against excess rotation speed
To provide the functioning of the integrated safety system for avoiding excess rotation
speed, the pump must run-up from the standstill at least once a year.
Switch off the pump and await the complete standstill (rotation speed = 0 Hz).
Run-up the pump according to this operating instructions.
WARNING
Danger of unsafe electrical installation
Safe operation after installation is the responsibility of the operator.
Do not independently modify or change the pump and electrical equipment.
Make sure that the system is integrated in an emergency off safety circuit.
Consult Pfeiffer Vacuum for special requirements.
WARNING
Danger of electric shock
In case of defect, the parts connected to the mains supply are under voltage.
Always keep the mains connection freely accessible so you can disconnect it at any
time.
WARNING
Danger of electric shock
The pumping station is only free of voltages when the mains plug has been disconnect-
ed.
Switch off the master switch and disconnect the mains plug before all work.
Secure against unintentional restarting.
