4.4.6 CORC Replacement Instructions
This section contains the instructions for the end-of-life replacement of the 4098-9747 CO Replacement Cartridge (CORC), in the CO SSD
Bases (Carbon Monoxide Smoke Sensor and Detector Bases). Replacement is necessary due to normal component degradation over time.
It is standard maintenance for the CO SSD Bases in order to prolong normal function without requiring base replacement.
WARNING: During installation, you can be exposed to live circuits - attention is required to ensure personal safety and to avoid product
damage.
Table 10: Model number reference
Model Name
4098-9747 CORC Replacement 10 yr
4098-9770 CO SSD Sensor Base 10 yr
4098-9771 CO SSD Sounder Base 10 yr
Removing the expired CORC
1. Remove the sensor head, not shown, and set aside for later re-installation.
2. Insert a fine blade screwdriver into the slot, as shown below.
Figure 16: Inserting a Fine Slot Screwdriver
3. Gently free the CORC from the sensor base by pushing straight in. Do not pry. Remove the CORC and dispose
Figure 17: Removing the CORC from the Sensor Base
Installing the replacement CORC, refer to the following photo
1. Remove the replacement CORC from the packaging.
2. Hook the loop of the CORC on the tab in the outer rim of the base, the center of the CORC below the CO sensor cylinder.
3. Gently rotate the CORC inward until it snaps onto the CO SSD Sensor Base.
page 28 574-709 Rev. AP
4098 Detectors, Sensors, and Bases Application Manual
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