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LEAK ALERT 73 

USER MANUAL

   

Summary of Contents for LEAK ALERT 73

Page 1: ...LEAK ALERT 73 USER MANUAL...

Page 2: ......

Page 3: ...LEAK ALERT 73 Filter Leak Monitor USER MANUAL Publication Part No PC 000834 MA...

Page 4: ...ision or change Revised documentation may be obtainable from ENVEA ENVEA reserves the right without notice to make changes in equipment design or performance as progress in engineering manufacturing o...

Page 5: ...3 2 Unpacking and Storage 7 3 3 Prerequisites and Guidelines 7 3 3 1 Location Requirements 7 3 3 2 Power Supply to the Sensor 7 3 3 3 Cable Routing Guidelines 8 3 3 4 Grounding the Sensor 8 3 4 Insta...

Page 6: ...Settings 24 6 5 3 RS 232 Settings RS232 25 6 6 Engineering Settings ENG 25 6 6 1 Trimming the 4 20mA Outputs 420Z 420F 25 6 6 2 Test Functions T REL T DIG T LED 26 6 7 Modbus Diagnostics MOD R MOD E...

Page 7: ...nnections 10 Fig 3 Sensor wiring label AC versions inside enclosure lid 11 Fig 4 Power supply label mains 12 Fig 5 Sensor wiring label 24V versions inside enclosure lid 12 Fig 6 Internal sensor contro...

Page 8: ...LEAK ALERT 73 viii PC 000834 MA Issue 5 December 2021 ENVEA UK Ltd This page is left blank intentionally...

Page 9: ...if not followed correctly NOTE Notes are used to highlight important information that may assist the reader in carrying out a procedure or understand the text In addition the following symbols are use...

Page 10: ...ry to others All personnel must be fully trained and adhere to local and where applicable site specific health and safety laws and guidelines It is the responsibility of the local organisations to enf...

Page 11: ...equipment must be operated within the limits detailed in the Technical Specification section of this manual Operation outside these limits may result in damage to the equipment or failure to achieve...

Page 12: ...that this instrument within the limits specified in this manual conforms to the essential requirements and other provisions of the pursuant of the following 1 European Union Directives Low Voltage and...

Page 13: ...alarm relay SPST 1A 24V DC fail safe Emission alarm relay SPST 1A 24V DC fail safe Option RS 232 Modbus or RS 485 Modbus B Inputs Plant stop signal output to zero when the plant is off User setup 4 d...

Page 14: ...t temperature of up to 50 C 122 F Consult Technical Note TN007 Network Cable Lengths for information on sensor cabling requirements and considerations see Related Documentation on page 3 Cables suppli...

Page 15: ...following should be considered for optimum performance Mount in the longest straightest unrestricted duct available Ensure correct sensor grounding Excess vibration will affect sensor readings Ambient...

Page 16: ...the mechanics and the socket and by grounding strap provided The sensor must be reliably connected to the stack wall using the grounding strap earth wire provided The grounding strap must be connecte...

Page 17: ...e at least 45 mm 3 Weld all round 4 1 5 BSP socket 5 Probe rod 6 Insulator 7 1 5 BSP thread 8 Floating nut 9 Lock nut 10 Sensor enclosure Fig 1 Fitting the sensor to the stack 1 Drill a hole of at lea...

Page 18: ...he lock nut ensure the floating nut is held securely with a wrench 3 4 3 Sensor Connections 1 Power INC 2 Mains fuse holder 3 Bus termination switch set to T terminated 4 4 20mA output 5 RS 485 output...

Page 19: ...y marked as the disconnecting device for the instrument 3 5 2 Wiring the Mains Power Supply Fig 3 Sensor wiring label AC versions inside enclosure lid 1 Undo the 4 off screws and open the hinged senso...

Page 20: ...sensor enclosure lid 2 Undo the 2 off screws and remove the power supply cover 3 Route the data cable through the right hand cable gland and connect to the power supply terminals POWER IN as marked o...

Page 21: ...Controls Fig 6 Internal sensor controls 1 Navigation buttons LEFT DOWN UP RIGHT 2 Four digit LED display 3 Menu selection with jumper D 4 Reset button 5 Firmware upgrade link LK2 E 6 Power Status LED...

Page 22: ...he main menu see also the menu maps at the start of chapters 5 and 6 3 Press DOWN to scroll through the menu headings The menu is circular Pressing DOWN from the RUN T menu returns you to the DUST men...

Page 23: ...rument 5 1 1 Scaling Method 1 of 4 20mA Fig 7 Standard menu Scaling method 1 of 4 20mA Menu Meaning Description DUST Displays dust emissions and self check readings SENS Sensitivity Adjust the instrum...

Page 24: ...ays dust emissions and self check readings SENS Sensitivity Adjust the instrument sensitivity DISP Display Smoothing Adjust the filter for smoothing the reading on the display SF Scaling Factor Adjust...

Page 25: ...set before attempting to scale the instru ment If the sensitivity is adjusted at a later stage the instrument must be re scaled The sensor has three sensitivity settings High default Medium and Low Th...

Page 26: ...ed scaling procedure is 1 Perform scaling during normal operating conditions 2 Monitor the current dust reading If the reading is very variable go to the display DISP menu and increase the smoothing f...

Page 27: ...to be set The Span value sets the relationship between the reading on the display and the current output from the 4 20mA For example if the Span value is set to 100 0 default a display reading of 100...

Page 28: ...Instrument Settings Engineering Menu ENG LEAK ALERT 73 20 PC 000834 MA Issue 5 December 2021 ENVEA UK Ltd 6 Instrument Settings Engineering Menu ENG Fig 9 Engineering menu ENG based on scaling method...

Page 29: ...ET button The additional menus are now available See Fig 9 on page 20 of this manual for the full Engineering menu Note that the menu shown is based on scaling option 1 SCAL See Fig 8 on page 16 for b...

Page 30: ...a Warning High and Limit High High alarm level It is recommended to set the Limit Alarm to your regulatory compliance emission limit Optionally set the warning alarm to a lower value to give an early...

Page 31: ...e ALA1 menu heading NOTE Set Point the decimal point is fixed after the 3rd digit This allows values from 000 1 to 999 9 Delay this is an integer value Allows values between 1 and 9999 seconds 6 3 5 C...

Page 32: ...omms Settings 6 5 1 RS 485 Settings R485 The RS485 menu is available to adjust comms settings for use when connecting to the sensor via the RS485 port 6 5 2 Changing the RS 485 Settings 1 Enter the pa...

Page 33: ...20mA Full Scale 20mA T REL Tests the relays T DIG Tests the digital input T LED Tests the LEDs 6 6 1 Trimming the 4 20mA Outputs 420Z 420F 1 Enter the password if required see section 5 2 on page 17 2...

Page 34: ...t to 0 All LEDs GREEN Set to 1 Emission Alarm LED AMBER Set to 2 Emission Alarm LED RED Set to 3 Self Check LED RED 6 7 Modbus Diagnostics MOD R MOD E 6 7 1 Reading Modbus Register Values MOD R Go to...

Page 35: ...1150 Note 2 Short circuit check High temperature sensors 5 of Ref 1060 1200 25 of Ref 1320 Notes 1 3 Short circuit check Ex variants Dust zone 20 12 of Ref 1000 1200 18 of Ref 1400 Notes 1 4 Note 1 V...

Page 36: ...play now shows RUN 3 Press RIGHT again to confirm and run the tests 4 The Self Check LED starts flashing All self checks will now run in succession taking a total time of about 1 minute 5 Once the tes...

Page 37: ...s voltages are still present when the main power supply fuse has failed CAUTION Do NOT try to rotate the sensor by turning its enclosure as this can damage the sensor 8 2 Inspecting and Cleaning the S...

Page 38: ...rap The grounding strap or wire should be long enough to remove the sensor from the stack duct and place it on the ground or platform without disconnecting the sensor 1 Switch OFF the power If the sen...

Page 39: ...nly WARNING Hazardous voltages Hazardous voltages are still present when the fuse has failed Disconnect and isolate the instrument from the power supply Fuses must only be changed by a trained and com...

Page 40: ...ment settings back to their default values Therefore the procedure given in this section must be carried out only by suitably trained and qualified personnel This function may be used to reset the sen...

Page 41: ...e EU Dispose of this product at a collection point for the recycling of electrical and electronic equipment according to local government regulations RoHS Compliance Statement ENVEA UK Ltd is complian...

Page 42: ...WEEE 33 connecting cables 11 contamination 29 30 D danger from process 1 documentation related 3 F fuse replacement 31 type and rating 31 G grounding strap or wire 8 the sensor 8 I intended use 3 L li...

Page 43: ......

Page 44: ...local ENVEA representative for your country or region please contact us or visit our website at www envea global ENVEA UK Ltd ENVEA House Rose Crown Road Swavesey CAMBRIDGE CB24 4RB United Kingdom Te...

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