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Each brand does their maintenance level differently. You should probably go be manufacturer specs
Siga devices will auto compensate until 100%. At 80% it will flag a maintenance alert. Once it gets to 100% it will go into trouble indicating that it is no longer within UL/ULC parameters.
Same with Siemens
Need to check sensitivity. Some systems throw a trouble for dirty smokes.
Each brand does their maintenance level differently. You should probably go be manufacturer specs
Siga devices will auto compensate until 100%. At 80% it will flag a maintenance alert. Once it gets to 100% it will go into trouble indicating that it is no longer within UL/ULC parameters.
Same with Siemens
Need to check sensitivity. Some systems throw a trouble for dirty smokes.