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Net Safety Monitoring 

 

MAN-0015 Rev 14 UVIRS-A/AR 

26 

November 07, 2008 
 

 

 

 

A

PPENDIX 

E:

 

UVIRS

 

DATA 

False Alarm Immunity 

Falsee Alarm Source 

Distance 

(ft/m) 

Modulated Unmodulated 

Sunlight direct 

-------- 

No Alarm 

No Alarm 

Sunlight indirect 

-------- 

No Alarm 

No Alarm 

Arc Welder 

30/9.1 

No Alarm 

-------- 

1500 Watt heater 

10/3.0 

No Alarm 

No Alarm 

40 Watt  Fluorescent Lights  

10/3.0 

No Alarm 

No Alarm 

500 Watt Halogen Light 

3/0.9 

No Alarm 

No Alarm 

250 Watt Incandescent Light 

3/0.9 

No Alarm 

No Alarm 

250 Watt Sodium Vapor Lamp 

10/3.0 

No Alarm 

No Alarm 

70 Watt Sodium Vapor Lamp 

10/3.0 

No Alarm 

No Alarm 

250 Watt Metal Halide Lamp 

10/3.0 

No Alarm 

No Alarm 

 

Response Testing w/ Un-modulated False Alarm Stimuli Present  

False Alarm Source 

False Alarm Source Distance (ft/m) 

Fire Source Fire 

Source 

Distance 

(ft/m) 

Sunlight direct 

--------------- 

16" Propane Plume 

25/7.62 

Sunlight indirect 

--------------- 

16" Propane Plume 

25/7.62 

1500 Watt heater 

10/3.0 

16" Propane Plume 

25/7.62 

40 Watt  Fluorescent Lights  

10/3.0 

16" Propane Plume 

25/7.62 

500 Watt Halogen Light 

3/0.9 

16" Propane Plume 

25/7.62 

250 Watt Incandescent Light 

3/0.9 

16" Propane Plume 

25/7.62 

250 Watt Sodium Vapor Lamp 

10/3.0 

16" Propane Plume 

25/7.62 

70 Watt Sodium Vapor Lamp 

10/3.0 

16" Propane Plume 

25/7.62 

250 Watt Metal Halide Lamp 

10/3.0 

16" Propane Plume 

25/7.62 

Summary of Contents for UV/IRS-A

Page 1: ...MAN 0015 Rev 14 UVIRS A AR November 07 2008 Ultraviolet Infrared Flame Detector User Manual Model UV IRS A OR AR...

Page 2: ......

Page 3: ...ct is thoroughly tested inspected and calibrated prior to shipment Failures can occur which are beyond the control of the manufacturer Failures can be minimized by adhering to the operating and mainte...

Page 4: ...ime Delay Setting 13 Closing the Housing 14 Relay Settings 14 Coil and Latch Status 14 Remote Reset 14 Final Setup 14 Detector Functionality 15 Detector Window Lens 15 Start Up Procedure 15 System Che...

Page 5: ...rmal artificial lighting such as fluorescent mercury vapour and incandescent lamps Locate Detector When positioning fire detectors consider such factors as distance from the fire type of fuel and temp...

Page 6: ...gases may not be sufficient to obstruct the sensor but high concentrations may impede the UV sensor Moving the detectors closer to the probable fire source and increasing the sensitivity can in some c...

Page 7: ...hazard is fully covered Mount the detector a few feet about 1 metre below the ceiling so it can respond before being blocked by smoke accumulation at the ceiling If dense smoke is likely to accumulate...

Page 8: ...njunction with a false alarm IR source can activate the detector Since X rays are often used in industrial inspection it may be necessary to disable the system when inspections are conducted nearby Fo...

Page 9: ...al Drawing REFLECTOR POSITIONING Ensure the external VI reflector is placed directly over the VI Emitters refer to Figure 7 for VI source location Also ensure the detector is mounted with the VI refle...

Page 10: ...ductor is used The maximum distance between the detector and the power supply is limited by the resistance of the connecting wiring which is a function of the gauge of the wire being used Refer to App...

Page 11: ...AR configurations WARNING Prior to wiring ensure power is disconnected Improper wiring can cause damage to the detector Figure 4 Wire Colour Coding ANALOG FLAME DETECTOR WIRE CODING Wire Colour Funct...

Page 12: ...MVI Manual VI SIG 4 20mA Signal Output PWR Com PWR Vdc FLAME DETECTOR WIRING Terminal Wire Function B Blue Manual VI Communication R Red 4 20mA Signal Output BLK Black Com W White Vdc Green Earth Gro...

Page 13: ...ied prior to opening the fire head WARNING Do not touch internal components other than the DIP Switches see Appendix B Electrostatic Sensitive Device ESD To access and select Dip switches follow the s...

Page 14: ...re Relay is normally De energized Non Latching The Fault Relay is factory set to normally Energized Non latching and cannot be modified Table 4 Relay Setting Junction Box Coil and Latch Status Fire Re...

Page 15: ...he start up procedure has finished and no faults are present the detector will begin normal operation current output 4 mA and Green LED will remain on System Check Once powered up the system should be...

Page 16: ...t Table 5 Status LEDs and Current Output LED Status Current O P Green LED PWR Red LED Alarm Yellow LED Fault Internal power Fault or system power out of range 1mA OFF Solid Automatic or Manual VI Test...

Page 17: ...r performs an automatic Visual Integrity VI test every 90 seconds during normal operation If the lens is dirty obstructed or the reflector is dirty obstructed or misaligned the unit will perform a num...

Page 18: ...or at least two seconds The Green and Red LED will be activated for the duration of the test 3 The detector will output a current that corresponds to the quality of the VI reading obtained see Table 5...

Page 19: ...should be opened periodically and the o ring inspected for breaks cracks or dryness To test the o ring remove it from the detector housing and stretch it slightly If cracks are visible the o ring shou...

Page 20: ...ine and correct the problem 3 A company name contact name and telephone number 4 A Purchase Order from your company authorizing repairs or request for quote 5 Ship all equipment prepaid to Net Safety...

Page 21: ...ose current loop 6 mA Solid Background UV source Confirm external UV source by covering detector window so it is blind to all radiation If signal goes away background UV is present Field of View shoul...

Page 22: ...not enough ultra violet radiation can reach them to activate an alarm Moving detectors closer to the probable source of fire and increasing the sensitivity of the detector can help to overcome this pr...

Page 23: ...rmal for an indefinite period of time followed by a sudden failure To eliminate potential ESD damage review the following guidelines Handle boards by metal shields taking care not to touch electronic...

Page 24: ...Net Safety Monitoring MAN 0015 Rev 14 UVIRS A AR 24 November 07 2008 APPENDIX C RESISTANCE TABLE...

Page 25: ...T5 mum sensitivity 10 to 32 A 2 25W 5mA 3 45W 2 76W 5mA 3 96W A 3 36W 5mA 4 64W 1 5A for ance of 800Ohms 32 ntal 95 Vertical 50 0 to 2600 angstroms I DIP switch selectable itch selectable 8 16 24 7 F...

Page 26: ...um Vapor Lamp 10 3 0 No Alarm No Alarm 250 Watt Metal Halide Lamp 10 3 0 No Alarm No Alarm Response Testing w Un modulated False Alarm Stimuli Present False Alarm Source False Alarm Source Distance ft...

Page 27: ...Plume 25 7 62 Sunlight indirect 16 Propane Plume 25 7 62 1500 Watt heater 10 3 0 16 Propane Plume 25 7 62 40 Watt Fluorescent Lights 10 3 0 16 Propane Plume 25 7 62 500 Watt Halogen Light 3 0 9 16 Pr...

Page 28: ...a T1Y 7J7 1 866 FIREGAS 347 3427 ph 403 219 0688 fx 403 219 0694 http www net safety com Email nsmsales net safety com PRODUCT SERVICES CONTACT INFORMATION Telephone 8am 5pm MDT 403 769 6074 403 717 8...

Page 29: ...y voltage to detector less than 10Vdc Detector internal power supply failure Replace power supply Confirm supply voltage 10 32Vdc to detector Contact factory 1 6mA Fault Flashing Yellow LED See Figure...

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