air gap, causes a rise in potential which triggers the electronic device and switches on a full current flow in the alarm circuit. operation of any or all of the devices will operate the one alarm. the indicator light shows which device has functioned so that the source of combustion products (sometimes...
air gap, causes a rise in potential which triggers the electronic device and switches on a full current flow in the alarm circuit. operation of any or all of the devices will operate the one alarm. the indicator light shows which device has functioned so that the source of combustion products (sometimes...
air gap, causes a rise in potential which triggers the electronic device and switches on a full current flow in the alarm circuit. operation of any or all of the devices will operate the one alarm. the indicator light shows which device has functioned so that the source of combustion products (sometimes...
air gap, causes a rise in potential which triggers the electronic device and switches on a full current flow in the alarm circuit. operation of any or all of the devices will operate the one alarm. the indicator light shows which device has functioned so that the source of combustion products (sometimes...
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