24. Clean the area around the hole made in step 2, ensuring that
no grease, metal shavings or other material is in the area
where the gasket will be seated.
25. Remove the protective paper backing from the gasket found
on the bottom of the Duct Mounting base.
26. Install the entire assembly on the duct.
• Use proper fasteners (not provided) to secure the
Ultima Gas Monitor to the duct.
27. If necessary, tape or seal around the sensor gasket to
prevent leaks.
28. Remove the top half of the calibration fitting and connect it to
your calibration tubing.
• When calibrating, push the calibration fitting into its
mate on the Duct Mount base.
29. Refer to the instruction manual for wiring details.
Figure A-11.
Duct Mount Sensor
Appendix A, Optional Ultima Duct Mount Kit
A-9