Fire Fighting Enterprises FIRERAY 2000 EExd Installation Manual Download Page 8 | Manualshive

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Fire Fighting Enterprises FIRERAY 2000 EExd Installation Manual Download Page 8

FIRERAY 2000 EExd

Hazardous Area Smoke Detector

Installation Guide

Page 8 of 14

** See specification on page 13 for technical details 23989.00.C (25.08.05)

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To check that the beam is being reflected by the prisms, rather than some other reflective
surface, block off the beam completely at the prisms using a suitable non-reflective blind
(sheet of black cardboard or similar). A Fault Alarm shall be indicated in approx 4 to 6
seconds.

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Summary of Contents for FIRERAY 2000 EExd

Page 1: ...compared to a system utilising flameproof enclosures for all component parts The maximum lateral beam coverage is 15m per Fireray System installed Once installed the Transmitter Head projects a modul...

Page 2: ...s threshold setting and should the signal be reduced below the set threshold the FIRE ALARM relay will be activated within approx 12 seconds Three user selectable threshold setting are available Note...

Page 3: ...nal strength and can be monitored using a voltmeter Controller Unit System Resetting The system can be reset in any of three ways as follows Using the RESET switch in the Controller Unit Normally only...

Page 4: ...regarding both fire alarm systems and EExd IIB applications are adhered to Choose solid stable surfaces on which to mount the Receiver and Transmitter If one of the mounting surfaces for the Transmitt...

Page 5: ...sition Remove the Receiver housing top using 5mm Allen key provided Connect the system cabling to the 3 way terminal block on the internal pcb It is recommended that the External Earth point be used o...

Page 6: ...ext to each other as close as possible and adjusted such that both point at the prisms Choose Receiver and Transmitter mounting surfaces that are parallel to the prism mounting surface within 20 If gr...

Page 7: ...voltmeter 10Vdc range or autorange connected to the Controller unit s METER and terminals Whilst observing the meter reading adjust the Transmitter to prism alignment to achieve the highest reading po...

Page 8: ...technical details 23989 00 C 25 08 05 To check that the beam is being reflected by the prisms rather than some other reflective surface block off the beam completely at the prisms using a suitable no...

Page 9: ...c ALARM N C CO N O N C CO F A U L T A L A R M SIGNAL LEVEL COMP 25 35 50 EExd GLAND EExd GLAND METAL GLAND METAL GLAND METAL GLAND METAL GLAND OPTIONAL REMOTE RESET WIRING SEE TEXT CLOSE TO RESET HAZA...

Page 10: ...to avoid obscuring optical components Internal Earth stud will be found in one of these two positions External Earth terminal will be found in one of these two positions User wiring terminals Wire on...

Page 11: ...o positions User wiring to enter here via suitable EExd IIB or IIC approved gland VIEW INSIDE RECEIVER UNIT WITH TOP WINDOW SECTION REMOVED SHOWING TERMINALS AND SETTINGS ETC note some components not...

Page 12: ...as an apex roof Note 3 No more than 3m of the beam path should be within 500mm of any wall or partitions When Firerays are mounted in the apex the horizontal distance may increase by 1 for each degre...

Page 13: ...supply voltage Control Rx 0 5V p p min sine 50 100Hz 11 5Vdc Immunity increases with higher supply voltage SYSTEM RESET Internal Via slider switch in controller unit External 1 Remote Reset input Gro...

Page 14: ...fication on page 13 for technical details 23989 00 C 25 08 05 Fire Fighting Enterprises Ltd 9 Hunting Gate Hitchin Hertfordshire SG4 0TJ England Tel 44 0 845 4024242 Fax 44 0 845 4024201 Email sales f...

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