4
About this manual
Pictographs
Instructions in the
text
Work instruction: here you have to do something.
Symbols used
The following symbols are used consistently throughout in all illustrations:
Vacuum flange
Exhaust flange
Gas ballast valve
Power connection
Prohibition of an action to avoid any risk of accidents, 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 dan-
ger, the disregarding of which may result in serious accidents
Important information about the product or this document
G
