4
Safety
Pictograph
definitions
Instructions in the
text
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Work instruction: here you have to do something.
Abbreviations used
DCU:
Display and operating unit
HPU:
Handheld programming unit
TC:
Electronic drive unit for turbopump
TPS:
Mains pack
Symbols used
The following symbels are used consistently throughout the diagrams:
High vacuum flange
Fore-vacuum connection
Electric connection
Air cooling unit
Venting connection
Sealing gas connection
Exhaust connection
2 Safety
2.1 Safety precautions
• Do not loosen any plug connection during operations.
• Wait for the rotor to reach standstill before peforming work on the high vacuum
flange.
Prohibition of an action or activity in connection with a
source of danger, the disregarding of which may result in
serious accidents.
Warning of a displayed source of danger in connection
with operation of the unit or equipment.
Command to perform an action or task associated with a
source of danger, the disregarding of which may result in
serious accidents.
H
VV
F
SG
NOTE
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.
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Absolute observe the safety information for vacuum pumps (PT 0300 BN) !
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The operator is obligated to make operating personnel aware of dangers originating
from the vacuum pump, the pumped medium or the entire system.