Atlas Copco GA 30+, Instruction Book

Page: 57 / 190

A number of protection settings are provided. The protection screens are labelled <Pr.>. The pictograph
shown with the protection screen indicates the purpose of the protection.
Possible combinations are <Pr.>, followed by a number and one of the next pictographs:
Pictograph Designation
<Pr.> combined with the pressure pictograph shows the pressure protections.
<Pr.> combined with the element outlet temperature pictograph shows the element
outlet temperature protections.
<Pr.> combined with the dew point temperature pictograph shows the dew point
temperature protections.
<Pr.> combined with the ambient temperature pictograph shows the ambient
temperature protections.
Following protection settings are available:
• A low warning level, shown on the display as <AL-L>.
• A high warning level, shown on the display as <AL-H>.
• A low shutdown level, shown on the display as <Sd-L>.
• A high shutdown level, shown on the display as <Sd-H>.
• A low service level shown on the display as <SE-L>.
• A high service level shown on the display as <SE-H>.
Example of protection screens
In this menu the temperature protection settings can be checked and modified.
Changing the settings
Starting from the Main screen (the example given describes the protection of the element outlet
temperatures):
Instruction book
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