Smoke sensor

INSTALLATION AND MAINTENANCE INSTRUCTIONS4-Wire Smoke Detector(Relay Output)SPECIFICATIONS Operating Voltage Range: 9 to 28VDC Volts Non-polarizedStandby Current: ≤60µA @ 24 VDCMaximum Alarm Current (LED on: ) ≤30mA @ 24 VDCOperating Humidity Range: 10% to 93% Relative Humidity, Non-condensingOperating Temperature Range: 14°F to 122°F (-10°C to50°C)Adjustable Sensitivity: 1.06±.26%FT.Height: 2.2˝ (55 mm) installed in BaseDiameter: 4.0˝ (103 mm)Weight: 5.5 oz. (155 g)INSTALLATIONBEFORE INSTALLINGNOTICE: This manual should be left with the owner/user of this equipment.IMPORTANT: The detector must be tested and maintained regularly following NFPA 72 requirements. The detector should be cleaned at least once a year.GENERAL DESCRIPTIONThe device is photoelectronic detector uses a state of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be used with most conventional fire alarm control panel.Two LEDs on each detector provide local 360° visib