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Spectrex SharpEye 20/20U, User And Maintenance Manual

The Spectrex SharpEye 20/20U is a cutting-edge product designed to enhance safety and efficiency in industrial settings. With its advanced technology, it provides unparalleled accuracy and reliability in detecting fire and gas hazards. Ensure optimal performance and longevity by referring to our comprehensive User And Maintenance Manual available for free download at manualshive.com.

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Spectrex Inc. - SharpEye™ UV Flame Detector                                     Manual – TM 20/20UB Rev. E, August 2004 

 

 

5

 

Figure 2. Flame Detector Assembly - Schematic Section 

 

Note 1:  

This figure describes the Detector, which includes Ground Terminal 
for ATEX installation. For FM installation device, external grounding 
screw mounting. 

Note 2:  

Thread for conduit standard size is 3/4”-14NPT (M25 optional) 

 
 
 

 

 

 

 

 

  

Summary of Contents for SharpEye 20/20U

Page 1: ...gust 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 1 973 239 8398 Fax 1 973 239 7614 Web Site www spectrex inc com Email spectrex spectrex inc com ...

Page 2: ......

Page 3: ...eserves 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 hereof with no obligation to notify any persons of revisions or changes Spectrex Inc does not assume any liability arising out of the application or any use of any product or circuit described herei...

Page 4: ......

Page 5: ...nals 9 4 3 Mode Selection 10 4 3 1 Function switch SW1 10 4 3 2 Alarm Delay Switch SW2 default 5 sec 12 4 4 Detector States 13 4 5 Built In Test refer to 2 5 14 5 Technical Specifications 16 5 1 Electrical Specifications 16 5 2 Mechanical Specifications 18 5 3 Environmental Specifications 19 6 Installation Instructions 20 6 1 Introduction 20 6 2 General Considerations 20 6 3 Preparations For Insta...

Page 6: ...el 34 8 3 Preventive Maintenance Procedures 34 8 4 Periodic Maintenance Procedures 34 8 4 1 Power Up Procedure 34 8 4 2 Functional Test Procedure 34 8 5 Maintenance Records 35 8 6 Troubleshooting 35 8 6 1 Fault Indication 35 8 6 2 False Alarm or Warning Indication 35 Appendix A Wire Selection Tables 37 Appendix B Typical Wiring Configurations 39 Appendix C Mounting the EExde approved version 41 Ap...

Page 7: ...e Detector Assembly Wiring Diagram 43 Figure 11 OPTION A Flame Detector Assembly Wiring Diagram de version 44 Figure 12 OPTION B Flame Detector Assembly Wiring Diagram de version 44 Figure 13 Fire Simulator 45 Figure 14 UV Detector Target Point 46 LIST OF TABLES Table 1 Response Sensitivity Ranges 6 Table 2 Immunity to False Alarm Faults 8 Table 3 LED indications within different detector states 9...

Page 8: ...Spectrex Inc SharpEye UV Flame Detector Manual TM 20 20UB Rev E August 2004 IV ...

Page 9: ...tion operation and maintenance This manual is divided into several parts Each part is contained in a separate chapter as follows Chapter 1 Scope A general introduction and overview of the product and the Manual with a brief description of its content Chapter 2 Technical Description the detector s theory of operation Chapter 3 Performance the detector features and capabilities Chapter 4 Operation d...

Page 10: ... is a single spectrum optical detector sensitive to the UV radiation spectrum which present in fires The detector monitors the protected volume by measuring the radiation intensity in it the frequency range of the electromagnetic spectrum namely the UV The detector senses one channel in which appropriate detection pulses are registered and further analyzed for frequency intensity and duration 2 2 ...

Page 11: ...ecks the radiation sensors and the detector window s cleanliness The BIT circuits will generate response signals to indicate adequate operation of the detector or a fault should it be detected during a BIT sequence The BIT sequence can also be initiated manually by the user at his preference upon a remote operation from a control unit The Auto BIT does not check the output stages and the connectio...

Page 12: ...del 20 20UB and model 20 20U the difference is that Model 20 20UB includes a BIT and 20 20U does not include this feature The two Models are available in Aluminum Al housing or Stainless Steel St St housing They also include an option for higher ambient temperature 185 F 85 C upon requirement Figure 1 Flame Detector Assembly Outline Drawing ...

Page 13: ...4 5 Figure 2 Flame Detector Assembly Schematic Section Note 1 This figure describes the Detector which includes Ground Terminal for ATEX installation For FM installation device external grounding screw mounting Note 2 Thread for conduit standard size is 3 4 14NPT M25 optional ...

Page 14: ...e detector is 0 0003 1 meter Note Zeta parameters may vary significantly with changes in temp air pressure humidity visibility conditions etc Response Time The typical response time of the detector is 3 seconds for 1 sq ft gasoline fire Other Fuels The Detector will react to other fuels in standard fire conditions at maximum response time of 5 seconds The sensitivity range of other fuels varies ac...

Page 15: ...V Flame Detector Manual TM 20 20UB Rev E August 2004 7 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 and Vertical Fields of View ...

Page 16: ...ndescent frosted glass light 100W IAD Incandescent clear glass light rough service 100W IAD Fluorescent light with white enamel reflector standard office or shop 40W or two 20W IAD Bright colored clothing including red and safety orange IAD Red dome light conforming to M251073 1 IAD Blue green dome light conforming to M251073 1 IAD Flashlight Mx 991 U IAD Radiation heater 1500W IAD Radiation heate...

Page 17: ... 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 Blink at 2Hz Rate Alarm Blink at 0 5Hz Rate On Warning at BIT Fault Blink at 2Hz Rate Blink at 2Hz Rate Alarm at BIT Fault Blink at 2Hz Rate On 4 2 Output Signals The detector includes the following con...

Page 18: ...rallel to the Alarm Relay default 5 Not Used 6 Following a successful Manual BIT sequence Alarm Relay is activated and the 4 20mA output turns to 20mA for approximately 3 seconds default Following a successful Manual BIT sequence 1 2 Alarm Relay is not activated 7 Following a successful Manual BIT sequence 2 Accessory Relay is activated and the 4 20mA output turns to 16mA for approximately 3 secon...

Page 19: ... 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 The 4 20mA output will provide 20mA for 3 seconds SW1 7 ON SW1 6 ON The Accessory Alarm relays will be activated for 3 seconds The 4 20mA output will provide 20mA for 3 seconds SW1 7 ON SW1 6 OFF The ...

Page 20: ...ncountered 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 is still present the Alarm indications return to its standby state Table 5 SW2 Alarm Delay Setting Delay SW2 switches seconds 4 3 2 1 0 N A Off Off Off 3 N A Off Off On 5 N A Off On Off 10 N A Of...

Page 21: ...r supply is too low or during a software fault In each state the detector will activate different outputs as specified in Table 6 Table 6 Output Signals Versus Detector State Detector State SW1 Yellow LED Red LED Alarm Relay Accessory Relay Fault Relay 4 20mA Output Fault 2Hz OFF OFF OFF OFF 0mA BITFault 2Hz OFF OFF OFF OFF 2mA Normal 0 5HZ OFF OFF OFF ON 4mA Warning SW1 4 on 0 5Hz 2Hz OFF ON ON 1...

Page 22: ...2 OFF The BIT is initiated manually by momentarily connecting terminal No 3 with terminal No 2 A successful manual BIT activates the following Fault Relay is closed Alarm Relay is activated for 3 seconds only if SW1 6 ON Accessory Relay is activated for 3 sec only if SW1 7 ON 4 20mA Output current will be 20mA only if SW1 6 ON or 16mA Only if SW1 7 ON and SW1 6 OFF The yellow LED blinks at 0 5Hz r...

Page 23: ...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 20U model even though BIT does not exist Automatic BIT The detector automatically performs a BIT every 60 minutes A successful BIT does not activate any indication and the detector indicates normal as follows The Fault R...

Page 24: ... 120mA 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 Terminals Function 1 POWER SUPPLY IN 2 RTN 3 MANUAL BIT 4 ALARM RELAY NO 5 ALARM RELAY COMMON 6 ALARM RELAY NC 7 FAULT RELAY NO 8 FAULT RELAY COMMON 9 ACCESSORY RELAY NO 10 ACCESSORY RELAY COMMON 11 4 20m...

Page 25: ...ST N O 5A at 30VDC 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 Warning 16mA 5 Alarm 20mA 5 o The 4 20mA output is a current source type The signal is driven via terminal 12 through the load to terminal 11 that should be at RTN level when connected to terminal 2...

Page 26: ...ass 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 160 F 70 C per EN 50014 50018 50019 see Appendix C c Electrical Modules Conformal coating d Electrical connection Either Two 3 4 14NPT conduits or Two M25 x 1 5 cable entries e Dimensions Detector 5 2 x...

Page 27: ... 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 Dust IP66 IP67 per EN 60529 NEMA 250 Type 6P f Shock and Vibration Vibration Designed to meet MIL STD 810C method 514 2 procedure 1 Mechanical Shock Designed to meet MIL STD 810C method 516 1 procedure 1...

Page 28: ...e accumulation of dust and dirt Do not start an installation unless all conceivable considerations regarding detector location have been taken into account 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 conceivable considerations regarding detector locations have been taken into accoun...

Page 29: ...or 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 detectors used on the same line and the distance from the control unit in compliance with specifications see Appendix A 6 4 Conduit Installation 1 To avoid water condensation in the detector it should be...

Page 30: ... 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 the detector carefully 3 Place the detector with its conduit inlets pointing down on the holding plate of the Swivel Mount Item 7 Secure the detector to the Swivel Mount by four 4 1 4 20UNC screws or M6 x...

Page 31: ...Spectrex Inc SharpEye UV Flame Detector Manual TM 20 20UB Rev E August 2004 23 Figure 4 a UV Detector and Swivel Mount Assembly ...

Page 32: ...e 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 SwivelMount 7 Holding Plate 8 Locking Screws 9 Detector Mounting Screws 10 Swivel Mount Plate 11 Swivel mounting screws ...

Page 33: ...tive 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 or M25 x 1 5P explosion proof conduit cable gland connection 5 Connect the wires to the required terminals Item 7 according to the wiring diagram See section 6 7 and figures 5 and 6 6 Connect a Ground...

Page 34: ...hange 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 SPST contact at terminals no 7 and 8 The contacts are closed when the detector is in its normal operational condition Accessory Relay Terminals 9 10 The Accessory output is N O SPST relay at terminals n...

Page 35: ... Figure 5 UV 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 7 Terminal Board 8 Securing Cable 9 Terminal Screws 10 Conduit Inlet 11 Cable Tie ...

Page 36: ...pectrex Inc SharpEye UV Flame Detector Manual TM 20 20UB Rev E August 2004 28 Figure 6 Terminal Board Configuration Legend 1 Function Switch SW1 2 Alarm Delay Switch SW2 3 Ground Cable 4 Terminal Screws ...

Page 37: ...Spectrex Inc SharpEye UV Flame Detector Manual TM 20 20UB Rev E August 2004 29 Figure 7 Flame Detector Assembly Wiring Diagram ...

Page 38: ...5 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 section 4 3 1 2 Setting Alarm Signal Delay Switch SW2 Set SW2 to the appropriate position to achieve the required time delay See Table 5 at section 4 3 2 3 Verify that the O Ring is in its groove in appro...

Page 39: ... 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 detector status goes back to NORMAL when the supply voltage is above 17 5V 4 Detector inspection Visually inspect the viewing window of the detector It should be clean and clear The yellow LED should blink 0 5Hz and the Alarm and Ac...

Page 40: ...sed 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 simulator and SW1 switches 7 or 6 are in their ON position the Alarm and Accessory Relays will be activated during the simulation Therefore automatic extinguishing systems or any external devices that may be activated during this proce...

Page 41: ...gs 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 4 Do not touch internal parts other than the two functional switches Interference with internal circuits may impair detector performance and will invalidate manufacturers warranty 5 Disconnect external...

Page 42: ...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 accumulating on the window 1 Disconnect power to the detector before proceeding with any maintenance 2 To clean the detector viewing window and reflector use water and detergent then rinse with clean water 3 W...

Page 43: ...n 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 and repeat the test 3 Disconnect the power supply from the system and check the detectors internal wiring 4 Re connect powers supply and wait approximately one minute Repeat the test If any indication LE...

Page 44: ...Spectrex Inc SharpEye UV Flame Detector Manual TM 20 20UB Rev E August 2004 36 ...

Page 45: ...m 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 09 3 40 0 17 0 55 10 4 56 6 64 0 11 0 35 Wiring Gauge 1 Select No of detectors connected on one circuit 2 Select wiring length per your installation requirements 3 Refer to Power Supply Range for volta...

Page 46: ...Spectrex Inc SharpEye UV Flame Detector Manual TM 20 20UB Rev E August 2004 38 ...

Page 47: ...tector Manual TM 20 20UB Rev E August 2004 39 Appendix B Typical Wiring Configurations Wiring for Four Wire Controllers Figure 8 Typical Wiring Diagram for Four Wire Controller 4 20mA Interface Wiring Figure 9 Wiring Diagram for 4 20mA ...

Page 48: ...Spectrex Inc SharpEye UV Flame Detector Manual TM 20 20UB Rev E August 2004 40 ...

Page 49: ... 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 Place the detector with its conduit inlets pointing down on the holding plate of the swivel mount Fig 4b item 7 Secure the detector by four 4 M6 screws with M6 spring washers from the Swivel Mount Kit us...

Page 50: ...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 ground screw outside the detector cover Item 5 The detector must be well grounded to Earth Groundfor proper operation 6 Verify the wiring Improper wiring may damage the detector 7 Check the wires for secur...

Page 51: ...Manual TM 20 20UB Rev E August 2004 43 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 4 Terminal Block 8 Conduit Inlet M25 x 1 5 ...

Page 52: ...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 SPST contact at Terminal Numbers3 and 4 The contacts are closed at Alarm Mode 4 20mA Output Terminal Numbers 5 6 Terminal Numbers 5 and 6 are used for analog 4 20mA current output as specified in paragra...

Page 53: ...ponding 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 collimator model number 20 20 190 used for extended range Unpacking In addition to the delivery form there should be the following contents Fire Simulator with built in batteries Battery charger Optional ...

Page 54: ...ctor mode is in High UV protection enabled switch SW1 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 see Fig 14 2 For testing keep a distance of at least 20 inches 50cm from the detector 3 Press the operation button once Fire simulation will last for 20 seconds The detector will send an alarm signal 4 ...

Page 55: ...t 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 in a safe area 3 Turn the sealed plug next to the operation button counter clockwise with a suitable wrench 4 Connect the battery charger 5 Charge for a maximum of 14 hours 6 Disconnect the charger 7 ...

Page 56: ... 2 VDC NiCd Batteries Current 2 5A Avg Charge 400mA for 14 Hours Environmental Temperature Range 4º F 20º C to 122º F 50º C Vibration Protection 1g 10 50hz Water and Dust IP 67 per EN 60529 Physical Dimension 11 5 x 10 1 x 3 9 in 292 x 258 x 100 mm Weight 7 5 lb 3 4 Kg Range Model Standard Extended Range 20 20L 14 5 ft 4 5m 29 ft 9 m 20 20U 14 5 ft 4 5m 29 ft 9 m 20 20LB 14 5 ft 4 5m 29 ft 9 m 20 ...

Page 57: ...20UB Rev E August 2004 49 For additional details or assistance please contact 218 Little Falls Road Cedar Grove NJ 07009 USA Tel 973 239 8398 Fax 973 239 7614 Email spectrex spectrex inc com Web site www spectrex inc com Your Local Authorized Distributor ...

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