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UVU-140A AND UVU-140-AR

UNITIZED ULTRAVIOLET FIRE

DETECTOR

USER MANUAL

Part Number: MAN-0002-00 Rev. 1

Содержание UVU-140-AR

Страница 1: ...UVU 140A AND UVU 140 AR UNITIZED ULTRAVIOLET FIRE DETECTOR USER MANUAL Part Number MAN 0002 00 Rev 1...

Страница 2: ...Inc does not guarantee the results and assumes no obligation or liability No part of this manual may be copied disseminated or distributed without the express written consent of Net Safety Monitoring...

Страница 3: ...Diagram for UVU 140 A 9 Figure 8 Wiring for UVU 140 A 9 Wiring Diagram for UVU 140 AR 10 Figure 9 Wiring for UVU 140 AR 10 Detector Settings 11 System Sensitivity 11 Figure 10 DIP switch operation and...

Страница 4: ...Appendix A Net Safety Monitoring Inc Electrostatic Sensitive Device Handling Procedure 17 Appendix B Common Ultra Violet Absorbing Gases 18 Appendix C Wire Resistance In Ohms 19...

Страница 5: ...and a terminal connector board The JBR T ASSY has large easy access spring tension terminals and a user selectable dip switch which allows the operator to select relay and coil status conditions see T...

Страница 6: ...r 2 5 ms Temperature Range Operating 40 C to 85 C 40 F to 185 F Storage 55 C to 125 C 67 F to 257 F Dimensions Refer to Figures 4 5 6 and 7 Detector Enclosure Materials NEMA 4X anodized copper free al...

Страница 7: ...UV detection systems around highly combustible materials when instantaneous response to flame is needed or where automated fire protection is required protection of large capital investments Petroleum...

Страница 8: ...to NFPA 72 guidelines Figure 2 shows the cone of vision and detector response to a UV source at various distances Range The practical application distance is up to about 80 feet 25 metres The distance...

Страница 9: ...of background UV could be a flare stack situated outside of a building The UV radiation produced by this flare may be detected when a door to the building is opened Windows or other reflective surfac...

Страница 10: ...ibration area be easy to access for cleaning purposes and should not have glass or plexiglass windows between the device and the potential fire Locate detectors to ensure an unobstructed view of the a...

Страница 11: ...7 Figure 7 JB4 UV T Junction Box Top View Figure 5 Swivel Mount Dimensions Figure 4 Detector Dimensions Figure 6 JB4 UV T Junction Box Side View...

Страница 12: ...oubt consult a qualified official before wiring the system Shielded cable is highly recommended for power input and signal wires to protect against interference caused by extraneous electrical noise R...

Страница 13: ...9 Figure 8 Wiring for UVU 140 A Wiring Diagram for UVU 140 A...

Страница 14: ...10 Figure 9 Wiring for UVU 140 AR Wiring Diagram for UVU 140 AR NOTE If the 4 20 mA signal is not used connect it to 24Vdc system common...

Страница 15: ...uel temperature flame size distance from the detector and concentration of UV absorbing vapours present Setting the UVU 140 A UVU 140 AR detectors to respond to a low count rate results in high system...

Страница 16: ...when the check out is complete Automatic vi Test NOTE The automatic vi system continuously monitors the operation of the detector However it is important that the system be manually checked using the...

Страница 17: ...On UVU 140 AR detectors connect the MVI signal output terminal on the JBR T relay box to system power by either a direct connection or a manual push button CAUTION DO NOT connect system power to the...

Страница 18: ...devices The current output can only be wired for non isolated operation The current output can have a maximum external loop resistance of 600 Ohms at 10 5 to 32Vdc Table 4 shows the current output le...

Страница 19: ...e detector to help prevent moisture from entering CAUTION The o ring should be lubricated with polyalphaolefin grease such as GRS 450 made by CPI Engineering Silicone based lubricants should never be...

Страница 20: ...le to the user during the warranty period This allows Net Safety Monitoring Inc to take time to repair the unit completely while users keep their operations running with the advance replacement unit P...

Страница 21: ...r even seemingly normal for an indefinite period of time followed by a sudden and mysterious failure Damage caused by electrostatic discharge can be virtually eliminated if the equipment is handled on...

Страница 22: ...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 problem in some cases Following is a...

Страница 23: ...10 2000 20 30 12 80 8 03 5 05 3 18 2 00 1 26 2250 22 80 14 40 9 03 5 68 3 57 2 25 1 41 2500 25 40 16 00 10 00 6 31 3 97 2 50 1 57 3000 30 50 19 20 12 00 7 58 4 76 3 00 1 88 3500 35 50 22 40 14 10 8 8...

Страница 24: ...Distributed By 2721 Hopewell Place N E Calgary Alberta Canada T1Y 7J7 Telephone 403 219 0688 Fax 403 219 0694 www net safety com E mail netsafe net safety com...