Manually Mute function works unless the concentration is less than 300 ppm
3
2
The Carbon monoxide cannot replace other gas fuel devices, including proper ventilation and exhaust systems. These devices should be installed correctly if necessary.
The Carbon monoxide detectors should be installed and operated by a professional stuff.
If the carbon monoxide detector is modified, there is a risk of malfunction.
Do not place the detector in the following environments: cleaning fluid, paint, cooking operations, etc.,which may affect the short-term or long-term reliability of the carbon monoxide detector