Honeywell Transmitter XNX-AMAV

Verify that the label on the new sensor is the correct gas type

Remove power from the transmitter

Unscrew the weatherproof cover (if equipped), loosen the retainer locking screw, and unscrew the sensor retainer

Remove the old sensor cartridge by pulling without twisting

Slide the replacement into the MPD body. Align the tab with the alignment slot, then press the sensor cartridge firmly to seat it into the body

Refit the sensor retainer, tighten the locking screw, and refit the weatherproof cover (if equipped)

Sign off on the sensor cartridge replacement

Caution: For toxic ells, remove the shorting clip from the bottom of the cell prior to installation.

No shorting clip is provided with oxygen cells.

The serviceable sensor allows replacement of the cell inside the sensor. The cell must be replaced with one of the same type as the original.

When replacing oxygen (O2) sensor cells, the initial warm-up time is between 10 and 15 minutes. This warm-up is required only after sensor cell replacement.

To replace the cell follow this procedure:

1. Unscrew the weatherproof cover, loosen the sensor retainer locking screw, and unscrew the sensor retainer.

2. Remove the old sensor by pulling without twisting.