ENMET ISA-44-2OD - Manual (Page 21)

ISA-44-2-OD ENMET Corporation
17
N OTE : If amber light is on prior to POT adjustment, adjust this POT CW until light is off, then readjust CCW until light just
activates.
I MPORTANT : The meter may not display the exact low level alarm.
D O N OT change the low level alarm meter reading unless grossly off (four meter needle widths or more). If far off,
recalibrate the high alarm, meter reading (step 9).
15. Repeat step 11.
16. Repeat step 12.
17. Reconnect the sample head to the air line.
18. The flow of clean air should clear the unit from its gas alarm state within 3-5 minutes. After 5 minutes, turn the
operation switch to O PERATE .
19. Clean compressed air lines will show a meter reading from 0 – 1/3 full scale. Green power light will indicate a clean
condition.
20. Carbon Monoxide Detection Channel Calibration is complete.
Verify the operation switch is in the O PERATE position.