22318.26.01
• Operating Range Fireray FD2705R 5 to 50 metres
• Operating Range Fireray FD2710R 50 to 100 metres
• Supply Voltage 10.2Vdc to 30Vdc
• Quiescent Current (no lamp illuminated) <4mA
• Alarm Current <25mA
• Fault Current <13mA
• Power Down Reset Time >5 seconds
• Operating Temperature -30°C to 55°C
• Tolerance to Beam Misalignment at 35% Detector ± 0.8°, Prism ± 5.0°
• Fire Alarm Thresholds 2.50dB (25%), 3.74dB (35%), 6.02dB (50%)
• Optical Wavelength 880nm
• Head Maximum Size Width 130mm, Height 210mm, Depth 120mm
• Weight 740 gm
12. Service / Application Notes.
• For full compliance with BS5839 part 5, use 25% and 35%(default) thresholds. The threshold of 50% is
recommended for hostile and extreme environments.
• Red LED indicates FIRE (set and cleared by panel).
• Amber LED flashing once every 2 seconds indicates FAULT.
• Amber LED flashing once every 10 seconds indicates normal operating mode.
13. Parts List.
• 1 off: Detector Head Assembly
• 1 off: Prism for the FD2705R
• 4 off: Prisms for the FD2710R
• 1 off: Dual Test Filter
• Installation guide
www.acornfiresecurity.com
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