Instruction manual
Calibration and Maintenance  Fyrite
 INSIGHT
 Plus Manual 
84  0024-9487 Rev 2 
Step  CO Sensor Replacement Procedure 
5  Plug new CO sensor into its socket. 
6  Install the CO  cap by aligning it toward the “open” position (12 o’clock) as 
shown in the diagram below, then twisting the cap clockwise approximately 
40° to the "closed" position (2 o’clock).  
7  Reattach tubing. 
8  Calibrate the CO sensor (using the calibration procedure on page 93, or using 
the B-SMART
 procedure on page 85). 
O
2
 , LL O
2
, and CO Sensor Replacement 










