Wired Gas / Smoke Detector for Alarm System: W-20

Features:

• Size: 107mm x 107mm x 40mm
• Working distance: 50 m (Open field)
• Static current: <10uA
• Working current: 5 ~ 20mA
• Environment temperature: -5°C ~ 50°C (23°F ~ 122°F)
• Smoke detection sensitivity: 0.65~15.5%FT, Correspond to standard No. 217 of UL
• Alarm method: Light and sound, and send alarm signal to the alarm main unit
• Alarm volume of built-in siren: 85dB
• Output time for alarm: 2 seconds
• Power: 12V (Supplied by power box)

Installation:

• Choose the favorable positions from the environment.
• Fix the bracket to the wall or roof using screws, and put the detector on the bracket.
• Fix one detector for each 25~40 m2
• Note A: Don't fix the detector near doors, windows and fans.
• Note B: Don't fix the detector in the environment of strong wind, steam and high temperature.

Usages:

• Connect the power to the detector, the red LED will flash once, detector enters the detection state, and the red LED will flash once every 30 seconds.
• When the smoke concentration reaches alarm level, the red LED will flash, the siren will send out the alarm loudness, and detector will send an alarm signal to the main unit.
• When the smoke concentration is lower than alarm level, the red LED quench, the siren stop.
• Test Button: Press and hold the test button for 3 seconds, the red LED will flash. After 3~5 seconds, the smoke detector will send out alarm loudness and send an alarm signal to the main unit.