3.18 Modifying protection settings
Control panel
Function
To modify protection settings:
• Shut-down (‘Shd’), e.g. for the compressor element outlet temperature
• Shut-down warning (‘Shdw’), e.g. for the compressor element outlet temperature
• Warning (‘Warn’), e.g. the cooling water temperature outlet for water-cooled compressors
• Service warning (‘Serv’), e.g. the pressure drop of oil separator
To check various compressor conditions, e.g. the status of the fan motor overload contacts.
Some parameters cannot be modified.
Procedure
Starting from the Main screen (see section Main screen menu):
• Press the ‘Menu’ key (F1).
• Press the arrow down key (1) until the option ‘Modify Params’ is followed by a horizontal arrow.
• Activate the menu by pressing the tabulator key (2).
• Press the arrow down key (1) until the option ‘Protections’ is followed by a horizontal arrow.
• Press the tabulator key (2): the first item and its value will appear.
• Press the arrow down key (1) until the item to be modified is followed by a horizontal arrow and press
the tabulator key (2).
Modifying settings for the compressor element temperature
• Consult the section Procedure to select the parameter ‘Element outlet’. Example:
‘Element outlet’
˚C 94
‘Shd Max.’ 120
‘Menu’ ‘Mod.’
F1 F2 F3
• The screen shows the current temperature (94 ˚C) and the shut-down setting (120 ˚C). To modify the
setting, press the ‘Mod.’ key (F2); the setting will flash.
• The ‘Lim.’ key (F2) can be used to find out the limits for the parameter.
• Use the scroll keys (1) to change the setting.
• Press ‘Prog’ key (F1) to program the new value or ‘Canc’ (F3) to cancel the modification operation.
Instruction book
42 2920 1634 04
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