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UV/IR Flame Detector

Model 20/20L-LB

User's and Maintenance Manual

TM20/20LB Rev E, August 2004

Factory Mutual Approved

Class I Div. 1 Groups B, C, D
Class II Div. 1 Groups E, F, G

ATEX Approved

Ex II 2G
EExd IIB + H

EExde IIB + H

218 Little Falls Rd., Cedar Grove, NJ 07009 USA;

Phone: +1 (973) 239 8398 Fax: +1 (973) 239 7614

Web-Site:

www.spectrex.net

; Email:

[email protected]

Содержание 20/20L

Страница 1: ...August 2004 Factory Mutual Approved Class I Div 1 Groups B C D Class II Div 1 Groups E F G ATEX Approved Ex II 2G EExd IIB H2 T5 EExde IIB H2 T5 218 Little Falls Rd Cedar Grove NJ 07009 USA Phone 1 97...

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Страница 3: ...serves the right to make changes to any products described herein to improve reliability function or design and reserves the right to revise this document and make changes from time to time in content...

Страница 4: ......

Страница 5: ...put Signals 11 4 3 Mode Selection 12 4 3 1 Function switch SW1 12 4 3 2 Alarm Delay Switch SW2 14 4 4 Detector States 15 4 5 Built In Test refer to 2 5 16 5 Technical Specifications 18 5 1 Electrical...

Страница 6: ...nel 36 8 3 Preventive Maintenance Procedures 36 8 4 Periodic Maintenance Procedures 36 8 4 1 Power Up Procedure 36 8 4 2 Functional Test Procedure 36 8 5 Maintenance Records 37 8 6 Troubleshooting 37...

Страница 7: ...me Detector Assembly Wiring Diagram 45 Figure 11 OPTION A Flame Detector Assembly Wiring Diagram de version 46 Figure 12 OPTION B Flame Detector Assembly Wiring Diagram de version 46 Figure 13 Fire Si...

Страница 8: ...Spectrex Inc SharpEyeTM UV IR Flame Detector Manual TM20 20LB Rev E August 2004 IV...

Страница 9: ...nual describes the detector and its features It describes instructions on the installation operation and maintenance This manual is divided into several parts Each part is contained in a separate chap...

Страница 10: ...tical detector sensitive to two separate ranges of the radiation spectrum both of which are present in fires The detector monitors the protected volume by measuring the radiation intensity in it withi...

Страница 11: ...se alarms 2 4 Alarm Signal Delay The detector is adapted with an Alarm Signal delay selector allowing the user to set a different delay between 0 to 30 seconds mandatory for several specific applicati...

Страница 12: ...unit directly connected to external devices as alarm systems or automatic fire extinguishing systems The same detector can form part of a more complex system where a plurality of detectors and other...

Страница 13: ...Spectrex Inc SharpEyeTM UV IR Flame Detector Manual TM20 20LB Rev E August 2004 5 Figure 1 Flame Detector Assembly Outline Drawing...

Страница 14: ...Assembly Schematic Section Note 1 This figure describes the Detector which includes Ground Terminal for ATEX installation For FM installation device which includes 1 4 thread for external grounding sc...

Страница 15: ...ax Wind speed of 6 5ft sec 2m sec Sensitivity Ranges The detector has three response levels 1 Warning Pre alarm 2 Alarm 3 Saturated Signal For some typical ambient conditions the Zeta parameter as def...

Страница 16: ...vity range to other fuels varies according to the fuel type Table 1 below provides the sensitivity to other fuels relative to as a percentage of the sensitivity to a standard gasoline fire source Tabl...

Страница 17: ...IR Flame Detector Manual TM20 20LB Rev E August 2004 9 3 2 Cone Of Vision Horizontal 90 Vertical 90 Figure 3 illustrates the relative range as a function of the incidence angle Figure 3 Horizontal an...

Страница 18: ...beam conforming to MS53023 1 IAD Incandescent frosted glass light 100W IAD Incandescent clear glass light rough service 100W IAD Fluorescent light with white enamel reflector standard office or shop 4...

Страница 19: ...m state Table 3 LED indications within different detector states Detector State Yellow LED Red LED Normal Blink at 0 5Hz Rate Off Fault or BIT Fault Blink at 2Hz Rate Off Warning Blink at 0 5Hz Rate B...

Страница 20: ...ay default 5 Warning conditions UV IR at Warning level or UV at high level Warning conditions UV IR at Warning level default 6 Following a successful Manual BIT sequence Alarm Relay is activated and t...

Страница 21: ...y when SW1 4 at OFF position Built in Test Options refer to 2 5 Successful Manual BIT activates the following outputs according to SW1 switches SW1 6 ON The Alarm relay will be activated for 3 seconds...

Страница 22: ...ered the detector delays execution of the Alarm Relay and the 4 20mA output by the specified period of time The detector will then evaluate the condition for required delay period If the Alarm level i...

Страница 23: ...t A fault is detected during BIT sequence The detector will continue to detect fire if the alarm conditions occur Fault A fault is detected when the power supply is too low or during a software fault...

Страница 24: ...of 6 seconds If the second BIT succeeds the detector s status turns to Normal otherwise the status is turned to Fault c Manual BIT only SW1 2 OFF The BIT is initiated manually by momentarily connecti...

Страница 25: ...DIPswitches configuration reading of the detector This function is performed at any switch configuration even if manual BIT is disabled This initiation is also performed at the 20 20L model even thou...

Страница 26: ...ax 150mA in Alarm c Electric input protection The input circuit is protected against voltage reversed polarity voltage transients surges and spikes according to MIL STD 1275A d Electrical Interface Te...

Страница 27: ...or 250VAC Fault SPST N C 5A at 30VDC or 250 VAC 4 20mA Current Output stepped Levels at different detector states on terminals 11 and 12 Fault 0mA 0 5mA Bit Fault 2mA 10 Normal 4mA 5 IR Detection 8mA...

Страница 28: ...lass II Div 1 Groups E F and G Ex II 2G SIRA 00ATEX 1160 1162 EExd IIB H2 T5 Temp 40 F 40 C to 160 F 70 C T4 Temp 40 F 40 C to 185 F 85 C per EN 50014 EN 50018 ATEX EExde IIB H2 T5 Temp 40 F 40 C to 1...

Страница 29: ...e IV Relative humidity of up to 95 for the operational temperature range d Salt and Fog Designed to meet MIL STD 810C method 509 1 procedure I Exposure to a 5 salt solution for 48 hours e Water and Du...

Страница 30: ...ructed view of the protected area Whenever possible the detector face should be tilted down at a slight angle to prevent the accumulation of dust and dirt Do not start an installation unless all conce...

Страница 31: ...lor coded conductors or suitable wire markings or labels Wire diameter between 12 to 20 AWG 3 1 x to 0 5 mm2 may be used for site wiring The selection of wire gauge should be based on the number of de...

Страница 32: ...76 2 mm apart on swivel mount plate Item 10 Note Skip this step if the Swivel Mount is already installed Also detector removal for maintenance purpose does not require Swivel Mount removal 2 Unpack th...

Страница 33: ...Spectrex Inc SharpEyeTM UV IR Flame Detector Manual TM20 20LB Rev E August 2004 25 Figure 4 a U IR Detector and Swivel Mount Assembly...

Страница 34: ...re 4 b Swivel Mount Assembly Description 1 Protective Set Screws 2 Ground Terminal for ATEX or Ground Thread for FM 3 Back Cover 4 Housing 5 Swivel Mount Screw Hole 6 Swivel Mount 7 Holding Plate 8 Lo...

Страница 35: ...ctive plug mounted on the detector conduit inlet Item 10 Pull the wires through the detector cover Item 6 and secure them firmly to the cover using the cable tie Item 11 attached to it Use a 3 4 14NPT...

Страница 36: ...change over contact relay SPDT Terminal No 4 is the NO relay contact Terminal No 5 is the COMMON relate contact Terminal No 6 is the NC relay contact Fault Relay Terminals 7 8 The Fault output in NC S...

Страница 37: ...Figure 5 UV IR Flame Detector with Cover Removed Legend 1 Alarm Delay Switch SW2 2 Function Switch SW1 3 Housing 4 Earth Ground Terminal for ATEX or Earth Thread for FM 5 Grounding Wires 6 Back Cover...

Страница 38: ...trex Inc SharpEyeTM UV IR Flame Detector Manual TM20 20LB Rev E August 2004 30 Figure 6 Terminal Board Configuration Legend 1 Function Switch SW1 2 Alarm Delay Switch SW2 3 Ground Cable 4 Terminal Scr...

Страница 39: ...Spectrex Inc SharpEyeTM UV IR Flame Detector Manual TM20 20LB Rev E August 2004 31 Figure 7 Flame Detector Assembly Wiring Diagram...

Страница 40: ...25 and 30 seconds respectively see table 5 1 Setting Function Switch SW1 Set all eight 8 switches of SW1 to their appropriate settings ON OFF to achieve the required functional mode See Table 4 at sec...

Страница 41: ...circuit or line discontinuity exists indications will appear on the control unit display panel Review your wiring 3 The detector goes into its FAULT state when supply voltage drops under 16 5V The det...

Страница 42: ...re condition The detector is exposed to the radiation in the specified detection level As a result the detector must generate a Fire Alarm signal Important Note If the detector is exposed to a fire si...

Страница 43: ...ngs and specifications issued by the manufacturer 2 Do not expose the detector to radiation of any kind unless required for testing purposes 3 Do not open the detector housing while power is supplied...

Страница 44: ...fire detection system designer will give his recommendations Use of the optional AIR SHIELD Model 20 20 930 is highly recommended and will help to keep the window clean and prevent dirt from accumula...

Страница 45: ...on for immediate solutions 1 Check power supply for correct voltage polarity and wiring 2 Check detector window and reflector for cleanness If necessary clean the window as indicated in section 8 3 an...

Страница 46: ...Spectrex Inc SharpEyeTM UV IR Flame Detector Manual TM20 20LB Rev E August 2004 38...

Страница 47: ...hm per 100 ft Ohm per 100 meter 26 0 12 0 15 4 32 14 15 24 0 16 0 24 3 42 11 22 22 0 30 0 38 1 71 5 60 20 0 51 0 61 1 07 3 50 18 0 81 0 96 0 67 2 20 16 1 22 1 43 0 43 1 40 14 1 94 2 28 0 27 0 88 12 3...

Страница 48: ...Spectrex Inc SharpEyeTM UV IR Flame Detector Manual TM20 20LB Rev E August 2004 40...

Страница 49: ...Detector Manual TM20 20LB Rev E August 2004 41 Appendix B Typical Wiring Configurations Wiring for Four Wire Controllers Figure 8 Typical Wiring Diagram for Four Wire Controller 4 20mA Interface Wirin...

Страница 50: ...Spectrex Inc SharpEyeTM UV IR Flame Detector Manual TM20 20LB Rev E August 2004 42...

Страница 51: ...e swivel mount plate item 10 Note Skip this step if the Swivel Mount is already installed Also detector removal for maintenance purpose does not require Swivel Mount removal 2 Unpack the detector 3 Pl...

Страница 52: ...the conduit to the detector 4 Connect the wires to the required terminals Item 4 according to the wiring diagram See paragraph 2 1 and figures no 11 and no 12 5 Connect the grounding wire to the grou...

Страница 53: ...r Manual TM20 20LB Rev E August 2004 45 Figure 10 Flame Detector Assembly Wiring Diagram Description 1 Modified Back Cover 5 Ground Terminal 2 Chamber Cover 6 Mounting Thread 3 Slotted Screw 7 Chamber...

Страница 54: ...2 Alarm Relay Terminal Numbers 3 4 The Alarm output is a NO SPST contact at Terminal Numbers 3 and 4 The contacts are closed at Alarm Mode Alarm Relay Terminal Numbers 3 4 The Alarm output is a NO SPS...

Страница 55: ...sponding and recognizable by the detector as fire This allows the detectors to be tested under real fire conditions without the associated risks of an open flame There is a specially designed beam col...

Страница 56: ...etector mode is in High UV protection enabled switch SW 3 ON a beam collimator should be used Follow these instructions to simulate a fire 1 Aim the Fire Simulator towards the detector s Target Point...

Страница 57: ...st 60 uses without recharging An internal buzzer is sounded when the voltage from the batteries is lower than the required operational level 2 Place the Fire Simulator into the storage case on a table...

Страница 58: ...le1 2 VDC NiCd Batteries Current 2 5A Avg Charge 400mA for 14 Hours Environmental Temperature Range 4 F 20 C to 122 F 50 C Vibration Protection 1g 10 50hz Water and Dust IP 67 per EN 60529 Physical Di...

Страница 59: ...x net Your Local Office SPECTREX INC Texas USA Mr Jay Cooley Regional Sales Manager 16203 Park Row Suite 150 Houston Texas 77084 USA Phone 1 832 321 5229 Email jay spectrex net Europe Mr Ian Buchanan...

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