PureAire Monitoring Systems, Inc.
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After entering the relay state the display will default back to the Set Formats menu.
The display will scroll the following:
4.6.3 Set Alarm Threshold Polarity
Alarm Threshold Polarity determines if an alarm concentration is set above or below a threshold value. For
example, if an alarm of 2.0ppm is selected, the Alarm Threshold Polarity must be set to
Normal
for the
monitors alarm to activate when the reading goes above 2.0ppm. Selecting an
Invert
setting for the Alarm
Threshold Polarity means that the system will alarm when the gas concentration, goes below, an alarm set
point. This menu will permit the selection of the alarm polarity. To access this menu from the “Set Formats”
menu, push the joystick down to display the
Set Alarm Threshold Polarity
adjustment menu. This will
scroll on the digital display.
Push the joystick right to access the first sub menu;
Set Alarm 1 Polarity
will
scroll on the display. This is the menu at which to adjust the first level alarm polarity
state on the Air Check Carbonyl Sulfide Monitor.
To change this value, push the joystick right to display the relay state. The display will
Indicate
INVERT.
Pushing the joystick down will change the relay state from INVERT
to NORMAL. Press
ENTER
to accept the value.
After entering the relay state the display will default back to the Set Alarm 1 Polarity
menu. The display will scroll the following:
..Set Formats...
20.
9
..Set Alarm Threshold Priority..
0.0ppm
NORMAL
2
0
.
9
%
INVERT
2
0
.
9
%
..Set Alarm Polarity..
0.0ppm
..Set Alarm 1 Polarity...
0.0ppm
