Operation, Testing & Maintenance - Orca OM1907-AC Installation And User Manual

Operation, Testing & Maintenance
• The smoke alarm is operational once all wires are properly connected, a fresh battery
is installed, the smoke alarm is correctly installed on the mounting base and the
alarm has been tested.
Red LED
• Stand-by condition: will flash once approximately every 40 seconds to indicate unit is
functioning properly.
• Alarm condition: the Red LED will flash once every second. For interconnected units,
the initial smoke alarm Red LED will flash once every second. All other units will
sound but the Red LED will not be on or flashing.
Green LED
• AC Mains-ON Indicator: indicates that the unit is operating with AC power. If this LED
goes out, it indicates that the AC power is off.
False Alarm Hush Control Feature
Note: Dense smoke will over-ride Hush control feature and sound a continuous alarm.
• This smoke alarm has the capability of being temporarily desensitized for
approximately 8-10 minutes by pressing the "Test / Hush" button on the smoke alarm.
• After pressing the "Test / Hush" button, the alarm will silence immediately but will
automatically reactivate after approximately 8-10 minutes and sound the alarm if
particles of combustion are still present.
• The "HUSH" feature may be used repeatedly until the air has cleared.
Warning: Before using HUSH feature, identify the source of smoke and be certain that a safe
condition exists.
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