EGM-5 Operation Manual V. 1.04 38 support@ppsystems.com
Low CO
2
Alarm Setting
To change the Low CO
2
Setting, select the button to the right of the “Low CO2 (ppm):” text. The numerical
keypad will appear, allowing the user to enter a new value.
The EGM-5 is supplied with a factory default low alarm setting of 250 ppm. A low CO
2
value is typically
the result of one of the following scenarios:
• Low or no air flow.
• Absorber column exhausted (soda lime).
• Zero valve failure.
The Low CO
2
Alarm relay (ALARM1) is closed when the CO
2
reading is below the Low CO
2
set point.
High CO
2
Alarm Setting
To change the High CO
2
Setting, select the button to the right of the “High CO2 (ppm):” text. The
numerical keypad will appear, the user to enter a new value.
The default EGM-5 high alarm setting is 2000 ppm.
The High CO
2
Alarm relay (ALARM2) is closed when the CO
2
reading
exceeds the High CO
2
set point.
Once the desired values are displayed, select the “Back” button to return to the Settings 1 Menu.
Reset Abs Settings
This function allows the user to indicate that the absorber material in the column has been replaced,
updating the percentage remaining to 100%. This value is displayed in the Measurement Mode screens in
the top right corner of the display.
Resets the absorber column percentage to 100%. This value is displayed in
Measurement Mode screens in the top right corner of the display.
Cancels out and the absorber column percentage value is not reset. Display
returns to Setting 1 Menu.
To Next Page
Loading...
Need help?
General
