Fireray FD2705R Manual Download | Manualshive

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FEATURES

•

Microprocessor

controlled

•

Range 5 – 50 Metres

•

Range 50 – 100 Metres

•

Unique simple alignment

•

Loop powered

•

Selectable alarm

thresholds

•

Low current

consumption

•

Automatic contamination

compensation

22318.26.01

Loop Powered

Analogue Addressable

www.acornfiresecurity.com

www.acornfiresecurity.com

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Summary of Contents for FD2705R

Page 1: ...tres Range 50 100 Metres Unique simple alignment Loop powered Selectable alarm thresholds Low current consumption Automatic contamination compensation 22318 26 01 Loop Powered Analogue Addressable www...

Page 2: ...Detector monitors long term degradation of signal strength caused by component ageing or build up of dirt on optical surfaces This operates by comparing the received infrared signal against a standard...

Page 3: ...n be increased from 7 5 metres either side of the beam to 7 5 7 5 x 20 100 metres 9 metres Therefore with a roof pitch of 20 degrees the lateral coverage can be increased from 7 5 metres either side o...

Page 4: ...lls as these surfaces do and will move Determine the position of the Head Assembly which must be mounted on a solid structure between 0 3 and 0 6 metres below the ceiling and no closer than 0 5 metres...

Page 5: ...nment Mode Do not remove the detector from the wall during this action Using the mode switch See fig 4 select Alignment Mode Move switch to the middle position At this time there will be a fault condi...

Page 6: ...nd enter the Operating Mode LED flashing Slowly adjust a thumbwheel in one direction and observe the LED s LED flashing For optimum alignment deflection of the beam in all four planes should cause the...

Page 7: ...te of the threshold selected during installation default 35 Select obscuration mark on filter to correspond with the Detector alarm threshold see fig 3 Place the filter over the receiver optics Top of...

Page 8: ...n connector on the left is for future use 8 2 DIP Switch Settings Access to the configuration and address settings is through the back plate of the Detector Head See Fig 4 8 3 Typical Loop Wiring Fire...

Page 9: ...22318 26 01 9 Detector Interface Assembly Configuration Settings SENSITIVITY X X X X X X X 2 X 1 3 4 B A A B Fig 4 www acornfiresecurity com www acornfiresecurity com...

Page 10: ...00100101 19 10011000 62 01000110 105 10100101 20 00000100 63 11000110 106 01100101 21 10000100 64 00100110 107 11100101 22 01000100 65 10100110 108 00010101 23 11000100 66 01100110 109 10010101 24 001...

Page 11: ...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 r...

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