Manual - Omni Instruments
Contents
1. 1 For each sensor family the manufacturer will insert a programming support Explo 340mA or 4 20mA to the circuit see above figure 2 Note if several OLCT10 toxic sensors are connected maximum 5 programming of the electronic circuit is required which should be performed by an authorized person Jumpers for Connecting Multiple Sensors l sensor no jumper required 2 sensors jumper J 28 3 sensors jumper J 28 J 27 4 sensors jumper J 28 J 27 J 29 5 sensors jumper J 28 J 27 J 29 J 30 2 3 2 Alarm relays The MX 15 control unit has two alarm relays corresponding to two pre programmed instant alarm thresholds The relays are in positive safety negative upon request and potential free RELI terminals match the relay 1 contacts alarm 1 REL2 terminals match the relay 2 contacts alarm 2 The relay contacts can be used normally open or closed moving the appropriate jumper next to relays The relay contacts are potential free Refer to the wiring examples at the end of manual 2 3 3 Fault relays The fault relay is in positive safety The DEF terminals match the fault relay contacts fault The relay contacts can be used normally open or closed moving the appropriate jumper next to the relay The relay contacts are potential free 13 Refer to the wiring examples at the end of the manual 2 3 4 Remote acknowledgment A pushbutton for remote acknowledgment may be connec2. z44e5500 d094644 2553 37000 b 6 16696059 306 6 56404 S 99 3 406 15 24 Pros ranmi Mel A An pod 15 29 Imtalzation Menu UND STUD Na a eA La 16 2 10 Code access MED Dis A a ice 16 Dede SN E 16 28 2 LESEM OS ae eb 16 TESTING OF RELAYS AND EXTERNAL CONTROLS occccccccnnooononcnnnnnnnnononocnnnnnnnnanonocononnnnnnnos 18 O O deu PER AAP 18 CONTROE UNET MAINTENANCE as 18 REPEACEMENTORRUSES sa a ada 18 SPARE PAR ESS 72224A a a aa Cane Tenan eds 18 EXAMPLES OF CONNECTIONS wissesscaccassccsesiesesiscssdeseossececcevsscesecesseecessvessenscesnavesceecedsnesdesassessevssdousse 2019 l Presentation The MX15 measuring and alarm unit has been designed for simple facilities that do not require the implementation of an electrical cabinet The MX15 control unit can be connected to combustible or toxic gas detectors or oxygen detectors The sensor reading is displayed on the MX15 control unit and compared to alarm thresholds In the event that the threshold is exceeded the control unit activates the relays that can control external units The MX15 control unit consists of the following components e A wall case with access hatch to settings potentiometers e A motherboard including all system components power supply display relays and connectors e A front face with tactile keys ll Technical specifications 1 Characteristics Mounting Box on DIN rail or wall mount Dimensions 185 157 67 mm Materials ABS type plastic Cable inp
3. Oa 9 Ze AVIETROLOGICAI OS PECIEICA TON Sucia dd 10 3 CONNECTION OF DETECTORS OTHER THAN INDUSTRIAL SCIENTIFIC ON THE MATES CONTROL UNIT ES ti ati 10 3 1 Transfer curves of control unit in configuration 0 at 100 LEL 10 3 2 Power supply and load resistance characteristics ooooncnncncnononononnnnnnnnnnnonanonnnnnnnos 11 Ze NS TI 11 IV CONTROL UNIT INSTALLATION 7 cccccccccccccccccccccccccccccccccccccccccccccccscees 11 1 CONTROL UNIT MOUNTING ccccseccscccsccssccsccsscesccscesscscesscescesscescesscessenscessescesceeccesenss 11 Zi CONTROL UNIT ELECTRICAL CONNECTIONS ia id ANCARS 11 Zd O A E ed LLEI C A 2 metal 70 11 DD POW CE SUP DIY iii 12 2 2 1 Power supply 230 Volts 115VAC on request dcceeeeeeaaaeeee eaaa 12 2 2 2 Power supply 24 VDC protection through F8 can be connected on terminals marked 0 and 24V as indicated in the wiring examples at the end ofthe manualiss sistema 12 Za CONNECTION Stereo 76 12 PO MS O ER ER AN 12 2239 72 RN A ASE in ERAN A ee el De Sn ie 13 DI UTA des 153 234 Remote deknowled E da ee dd 13 V OPERATING INSTRUCTIONS cnn cai 14 1 INSTRUCTIONS ON THE DISPLAY UNIT UPON ACTIVATION occooccnccnnccnnocnnoconoconaconiconaronaronanos 14 LH Sensor dilata 14 O A SI ed te TAL AIO AA Ne cs 14 2al Men SW 22090 a dad 14 RN E 00A a EA ne NEN nA D a aU A A do ed 15 DN A VI VII 2 3 To exit while viewing a menu ECHAP
4. at the end of manufacture all shipped equipment is configured to meet your requirements Start up OLDHAM undertakes that our expert technicians will start up your equipment if you so wish This gives you the guarantee of additional safety Training OLDHAM undertakes to provide the users of its products with a complete training service a number of engineers specialized as instructors conference rooms equipment available for practical exercises computer equipment display equipment etc d Maintenance contract OLDHAM undertakes to offer vou open ended maintenance contracts according to your needs so as to give you the guarantee of complete safety one or more visits a year comprehensive or partial warranty renewal by tacit agreement including the adjustment of measuring units the calibration of equipment and the verification of servo control systems Field servicing OLDHAM undertakes to send out its After Sales Service technicians quickly for servicing on your site This is made possible by the efficient network of our branches throughout France and other countries El Factory repairs OLDHAM gives the undertaking that any problem that cannot be solved in the field will be dealt with by the return of the equipment concerned to our factory Teams of specialized technicians are on hand to ensure the immediate repair of your equipment in the shortest possible time so keeping downtimes for your equipment to a minimum For a
5. divulged partially or fully by physical electronical or any other means nor used as the basis for the manufacture or sale of INDUSTRIAL SCIENTIFIC CORPORATION equipment or for any other reasons without prior consent from INDUSTRIAL SCIENTIFIC CORPORATION WARNINGS This document is not contractually binding In the interest of its customers INDUSTRIAL SCIENTIFIC CORPORATION reserves the right to modify the technical specifications of 1ts equipment without notice in order to improve its performance CAREFULLY READ THE MANUAL BEFORE FIRST USE OF THE EQUIPMENT this manual must be read by any individual who is or will be responsible for using maintaining or repairing this equipment This equipment will only provide the stated performance levels if it is used maintained and repaired in accordance with the directives of INDUSTRIAL SCIENTIFIC CORPORATION by INDUSTRIAL SCIENTIFIC personnel or personnel approved by INDUSTRIAL SCIENTIFIC CORPORATION WARRANTY Two year warranty under normal conditions of use for parts and labor return to our shop except for consumables sensors filters etc Table of contents I PRESENTATION ciao iio ana 7 II TECHNICAL SPECIFICATIONS nn ees a 7 Li IEHARACTERISTICS ts 7 III DETAIL SPECIFICATIONS FOR USE IN COMBUSTIBLE ATMOSPHERES IN ACCORDANCE WITH THE ATEX 94 9 CE EUROPEAN DIRECTIVE 9 1 SPECIFICATIONS FOR MECHANICAL AND ELECTRICAL INSTALLATION IN CLASSIFIED ON IA E A A e ot at
6. r glage des centrales de mesure l talonnage des appareils et le contr le des asservissements D pannage sur site OLDHAM s engage faire intervenir ses techniciens du Service Apr s Vente rapidement Ceci est possible gr ce la r partition judicieuse de nos agences en France et de nos agents l tranger El D pannage en usine OLDHAM s engage traiter tout probl me qui ne pourrait tre r solu sur site par le renvoi du mat riel en usine Des quipes de techniciens sp cialis s seront mobilis es pour r parer votre mat riel dans les plus brefs d lais limitant ainsi au maximum la p riode d immobilisation Pour toute intervention du Service Apr s Vente en France un num ro Indigo a t mis en place le o 825 842 843 El Strong points Through its qualified personnel OLDHAM undertakes to respond to your needs for advice and order follow up services wherever in the world you may be OLDHAM undertakes to answer all your technical questions as quickly as possible El Quality OLDHAM undertakes to provide you with products and services ofa quality that meets your requirements in accordance with the specifications of 150 9001 and ATEX standards Reliability and inspections OLDHAM undertakes to supply you with reliable equipment The quality of our production is essential to achieve reliability Quality is ensured by extremely strict verifications carried out as soon as raw materials are received during production and
7. that a full calibration be performed using a certified concentration s of calibration gas es quarterly every 3 months Calibrations may be necessary more or less frequently based for example on application field conditions exposure to gas sensor technology and environmental conditions The frequency of calibration is best determined by company policy or local regulatory agencies Please refer to the instrument user manual for specific details If an instrument fails to operate properly during any functional bump test or 1f an instrument experiences an alarm condition a full instrument calibration should be performed These recommendations are based on safe work procedures industry best practices and regulatory standards to ensure worker safety Industrial Scientific 1s not responsible for setting safety practices and policies For new installations it may be prudent to carry out bump tests frequently at first perhaps weekly increasing the time intervals to perhaps monthly or more as confidence grows with experience in the installation concerned on the basis of the maintenance record Reminder for safety purposes only authorized and trained individuals are permitted to use the following menus Procedure to be followed when the MX15 control unit is connected to an combustible gas sensor OLC10 CEX300 etc the TEST menu was selected see above remove the small cover on the front of MX15 to access the s
8. 10 resetting 1s either validated through an ON OFF of the control unit or through a maintenance operation 3 2 Power supply and load resistance characteristics Maximum current available between terminals 2 and 3 300 mA at 20 V Maximum no load voltage between terminals 2 and 3 30 V Load resistance between terminals 1 and 2 47 ohms 4 Marking INDUSTRIAL SCIENTIFIC Arrasiai C Ex 11 3 G OSA OSATEX0120 IV Control unit installation 1 Control unit mounting Mounting is performed using a DIN rail positioned so that it provides a 5 cm free area around the control unit The MX15 control should be installed in all facilities away from combustible atmospheres preferably in a monitored area control center consol room control room etc and in a less humid no condensation and temperate environment see chapters 2 1 and 3 2 Control unit electrical connections Electrical connections should be performed by a specialist and while the control unit is off power supply is shut off comply with existing regulations including NF C 15 100 has a minimum section of 1 5 mm and a maximum section of 2 5 mm for power supply from power system 230VAC Check the current nature and network voltage the network voltage should match the voltage specified on the control unit maker s plate 2 1 Protective ground The control unit must be connected to an operating ground The ground terminal yellow ochre 1s i
9. MX15 _ Measuring Unit Es p INSTALLATION AND OPERATING INSTRUCTIONS C abricatio Code 05 MT MX15 GB01 EJE Fran aise Warnings Read these instructions carefully before installation and start up particularly to ensure compliance with the instructions regarding the safety of the equipment in respect to the intermediary or final user The electrical installation and connections should be performed by qualified personnel in accordance with the manufacturer instructions and the standards of competent authorities in the industry Non compliance with the instructions may have a serious impact on people s safety Strict compliance is required particularly for electrical installation and assembly connections service lines Any modification of the equipment as well as use of unauthorized parts will result in cancellation of any warranty The control unit is designed to be used for specific purposes that are indicated in the technical specifications It 1s not authorized to exceed the specified values in any case This document is not contractually binding In the interests of 1ts customers INDUSTRIAL SCIENTIFIC CORPORATION reserves the right to modify the technical specifications of 1ts equipment without notice in order to improve its performance Warning Signs Operating ground terminal Attention Risk of electric shock Attention see accompanying documents INDUSTRIAL SCIENTIFIC CORPORATIO
10. N GAS DETECTION AND DUST ANALYSIS Thank you for choosing an INDUSTRIAL SCIENTIFIC CORPORATION unit We have taken all the required measures to guarantee that our equipment meets your expectations It is important now that you carefully read the following document LIMITATIONS OF LIABILITY x INDUSTRIAL SCIENTIFIC CORPORATION disclaims responsibility towards any individual for damage to the equipment physical injury or death resulting fully or partially from inappropriate use and or installation or storage of equipment that does not comply with the instructions and warnings and or with existing standards and regulation INDUSTRIAL SCIENTIFIC CORPORATION does not support or authorize any other company or individual to assume the share of liability of INDUSTRIAL SCIENTIFIC CORPORATION although it may be involved in the sale of products manufactured by INDUSTRIAL SCIENTIFIC CORPORATION INDUSTRIAL SCIENTIFIC CORPORATION shall not be liable for direct and indirect losses as well as direct and indirect damages resulting from the sale and use of all its products IF THESE PRODUCTS HAVE NOT BEEN DEFINED AND SELECTED BY INDUSTRIAL SCIENTIFIC CORPORATION FOR THE PURPOSE THAT THE BUYER USES THEM CLAUSES REGARDING OWNERSHIP The drawings plans specifications and information included in this document contain confidential information that is the property of INDUSTRIAL SCIENTIFIC CORPORATION This information may not be reproduced copied
11. automatic erasure by increasing or decreasing value through programming viewing through red indicator relay output alarm 1 and 2 2 independent alarm relays with positive negative safety programmable by manufacturer 1 out of order relay in positive safety break or make contact that may be configured on all relays using a Jumper 2A 250 Volts AC 30 volts DC Connection Type spring terminals Cable section maximum 2 5 mm Remote acknowledgment through short circuit of 2 MX15 terminals using an external potential free dry contact maximum 2 meters Certification ATEX 94 9 CE Directive category 3 G for metrology in combustible gas detection EN 61779 1 and 4 in zones 2 Low voltage directive in accordance with EN 61010 Electromagnetic Compatibility Directive CEM in accordance with EN 50270 lll Detail specifications for use in Combustible Atmospheres in accordance with the ATEX 94 9 CE European Directive The MXI15 detection control unit designed for measurement of combustible gas is compliant with the requirements of the ATEX 94 9 CE European Directive regarding combustible atmospheres Thanks to its metrological performance the MX15 control unit associated with the INDUSTRIAL SCIENTIFIC CEX300 and OLC 10 detectors 1s a safety device for ATEX Zone 2 classified areas The control unit can also reduce the risk of explosion through information provided to external units The site manager where the equipment is i
12. ay contact outputs potential free a NOor NF based on position of Remote acknowledgment jumpers next to relays 1 3 Connector of first sensor with 2 wires MX15 CONTROL UNIT Example of connection between a MX15 control unit and two OLCT10 type sensors for detection of the same gas maximum 5 sensors L NT MAINS DEF 230VAC RL1 COM RL2 24 V relay contact outputs potential free m NO or NF based on position of Remote acknowlederhet jumpers next to relays 123 Connector of first sensor with 3 active wires MX15 CONTROL UNIT Example of connection between a MX15 control unit and two OLC10 TWIN type sensors LNT MAINS DEF 230VAC RL1 COM RL2 24 V relay contact outputs potential free NO or NF based on position of Remote jumpers next to relays acknowledgment Connector of sensor with 3 active wires Connect the 3 wires based on numbering Example of connection with an EXPLO or TOXIC sensor with 3 active wires OLDHAM S engage OLDHAM undertakes Parce qu la s curit deshommes et la protection de l environnement sont notre priorit OLDHAM s engage et d finit ses normes qualit Because safety for personneland protection of the environment are our priorities OLDHAM gives the following undertakings and defines its quality standards Les Plus OLDHAM s engage au travers de son personnel qualifi r pondre rapidement et effi
13. cacement vos besoins de conseil de suivi de commande et ce partout dans le monde OLDHAM s engage r pondre dans les plus brefs d lais toutes questions d ordre technique Qualit OLDHAM s engage vous assurer une qualit de produits et de services la hauteur de vos exizences conform ment au cahier des charges de la norme 150 9001 et ATEX Fiabilit amp Contr les OLDHAM s engage vous fournir un mat riel fiable La qualit de notre production est une condition essentielle cette fiabilit Elle est garantie gr ce des v rifications tr s strictes r alis es d s l arriv e des mati res premi res en cours et en fin de fabrication tout mat riel exp di est configur selon vos besoins Mise en service OLDHAM s engage si vous le d sirez la mise en service de votre mat riel par nos techniciens sp cialis s Un gage de s curit suppl mentaire Formation OLDHAM s engage faire disposer aux utilisateurs de ses produ ts d un service de formation complet plusieurs ing nieurs p dagogues salle de conf rences mat riels disponibles pour les manipulations mat riel informatique et de visualisation etc 3 Contrat d entretien OLDHAM s engage vous proposer des contrats d entretien volutifs au regard de vos besoins pour vous garantir une parfaite s curit une ou plusieurs visites par an garantie totale ou partielle renouvelable par tacite reconduction incluant le
14. dentified by the following symbol Refer to wiring examples at the end of the manual 11 2 2 Power supply 2 2 1 Power supply 230 Volts 115VAC on request 230VAC is standard power supply protection is provided either through F8 630 mA 250VAC either through F6 F7 100 mA 250VAC A special 115 VAC configuration is provided by the manufacturer upon request The control unit should be protected upstream through a bipolar differential circuit breaker The response curve is of type D The mains should be wired on the two terminals L orange and N blue as indicated in the wiring examples at the end of manual 2 2 2 Power supply 24 VDC protection through F8 can be connected on terminals COM and 24V as indicated in the wiring examples at the end of the manual 2 3 Connections 2 3 1 Sensors The various types of sensors should be connected on the terminals C1 C2 and C3 white of the connector as indicated in the wiring examples at the end of manual The Wheatstone bridge type combustible gas sensors with 3 active wires C1 median point signal C2 detector filament C3 compensator filament 12 Sensors transmitters 4 20 mA with 2 active wires Cl signal current return to ground C2 not connected C3 positive power supply 24 Volts Sensors transmitters 4 20 mA with 3 active wires Cl signal current return to ground C2 power supply COM C3 positive power supply 24 Volts
15. etting potentiometers adjust if needed the ZERO read the display unit using a zero potentiometer O Reminder make sure that you have clean air otherwise inject air or nitrogen into the sensor with calibration kit with a flow rate of 60 1 h then wait for the sensor reading to stabilize 17 Now inject the standard gas 601 h into the sensor and wait for the sensor reading to stabilize Make sure that the gas concentration 1s correct by reading the display unit Otherwise adjust the sensitivity using a S potentiometer Disconnect the standard gas cylinder Wait for the return to zero on the display unit Press the TEST key to exit this menu The yellow DEL 1s off and the display unit indicates an interrupted line Press one of the two keys or to display the sensor reading if needed Position the small cover in place Procedure to be followed when a MX15 control unit is connected to a transmitter 4 20 mA without a local maintenance device calibration position switch etc Select the TEST menu to disable the relays of the control unit see the beginning of this chapter Adjust the transmitter see manual of relevant product Make sure that the transmitter instructions O and S match those of the control unit Refine the adjustments 1f needed of the control unit and in this case refer to the previous paragraph Upon completion of calibration wait for the return to zero on the display unit
16. hreshold Alarm cutover and Buzzer Timing in minutes and seconds of the fault relay activation time yellow DEL is on continuously Timing of the control unit upon activation relays disabled yellow DEL is blinking and the following icon 1s displayed 15 To indicate the type of sensor used such as Bridge in bridge filaments types OLC10 CEX300 etc EHP EXPLO explo 4 20mA type OLCT 10 etc InC fire ionic optical etc 02 oxygen Aut other toxic etc To change the maintenance mode MAN or AUT AUT Detection of detector calibration mode of this function yellow DEL blinking on MX15 MAN No detection of detector calibration mode Timing in minutes and seconds upon exit of calibration menu relays disabled To save potentially modified parameters in this menu yes or no If NO validated the changes are not taken into contact If YES validated the new programming will be saved 2 5 Initialization menu IND Start up This menu is used to INITIALIZE the microprocessor based on the connected sensor It is used in the following cases by INDUSTRIAL SCIENTIFIC when new equipment is shipped during the first installation during a cell or sensor replacement 2 6 Code access menu This menu changes the access code for various menus 1000 in standard upon shipment of equipment display the CODE menu and key select it enter display current c
17. nstalled should take into consideration and comply with the information in the following paragraphs Refer to the provisions of the ATEX 1999 92 CE European Directive regarding the enhancement of safety and health of the workers exposed to risks of combustible atmospheres 1 Specifications for mechanical and electrical installation in Classified Zone Installation will be performed in accordance with existing standards in particular EN 60079 14 EN 60079 17 standards The MX15 control unit should not be exposed to mechanical vibrations and should be installed in a safe area away from combustible atmospheres It is essential to refer to the operating and start up instructions of the above mentioned gas detectors in paragraph Detail specifications for use in combustible atmospheres in accordance with the ATEX 94 9 CE European Directive 2 Metrological Specifications The control unit complies with the metrological European standards EN61779 and EN61779 4 for methane calibration gas butane propane and hydrogen gas as per response curves when the control unit is used with CEX300 and OLC 10 gas detectors In the event that the control unit is used with other types of sensors supplying a measuring current of 4 20 mA they should comply with paragraph 1 5 of Appendix IT of the Atex 94 9 CE Directive and be compatible with their characteristics see control unit transfer curve Note the test vibrations in accordance with EN61779 4 pa
18. ny specific technical question please contact our After Sales Service M Miguel RIESGUO 00 33 3 21 60 80 80 on mee A OLDHAMII Group Usine et si ge social Z I Est rue Orfila B P 417 62027 ARRAS Cedex FRANCE T l 03 21 60 80 80 Fax 0321 60 80 00 E mail information oldham fr OLDHAM ROMANIA Romania OLDHAM ITALIA S R L OLDHAM CS Italia Cesk Republica 39 011 38 013 71 amp 39 011 38 066 13 paolo pozzato oldham it 2 42 02627 6476 42 0222 728296 oldham telecom cz t 40 21 222 4846 2 40 21 222 5037 eduard docolin fx ro www oldham fr Plant and head office Z I Est rue Orfila B P 417 62027 ARRAS Cedex FRANCE T l 333 216080 80 Fax 33 3 2160 80 00 E mail export department oldham fr OLDHAM CH OLDHAM GAS OLDHAM GmbH Switzerland DETECTION Ltd WINTER UK Deutschland 41 26 652 51 18 44 0 1782 20 8020 49 231 924 10 2 41 26 652 51 19 t 44 0 1782 20 8228 49 231 924 125 info oldham ch sales oldham biz info winter gaswam de
19. ode indicate the new code using the and keys save this new code enter finally confirm it yes no enter 2 7 Buzzer menu Allows or does not allow the use of the buzzer embedded to the MX15 control unit display the BUZZER menu and keys select it enter select ON active buzzer or OFF buzzer off finally confirm yes no enter 2 8 TEST menu TST Disables the relays embedded to MX15 upon voluntary activation of alarms through injection of a standard gas on the sensor to test the alarms or to calibrate display the TST menu and keys select it enter yellow DEL is blinking 16 yellow DEL is blinking the TST message and the Y key are displayed confirming that the relays are disabled during the test or calibration Attention this menu should be used for calibration after a first start up INDUSTRIAL SCIENTIFIC recommends Gas detection instruments are potential life saving devices Recognizing this fact Industrial Scientific Corporation recommends that a functional bump test be performed on fixed gas monitoring instruments as part of a regular maintenance program A functional test is defined as a brief exposure of the monitor to a concentration of gas es in excess of the lowest alarm set point for each sensor for the purpose of verifying sensor and alarm operation and is not intended to be a measure of the accuracy of the instrument Industrial Scientific recommends
20. of the control unit Press the TEST key to exit this menu Yellow DEL is off and the display unit shows an interrupted line Press one of the two keys or to display the sensor reading if needed 3 TESTING of relays and external controls It 1s also recommended to periodically check alarm activation and the corresponding external controls 4 Cleaning Do not use alcohol or ammonia based liquids to clean the control unit If needed clean the outside of the case with a damp cloth 5 Control unit maintenance The control unit does not require special maintenance If sensor calibration is required this operation should only be performed by qualified personnel 6 REFER TO CHAPTERS 4 2 5 AND 4 2 8 INITIALIZATION AND TEST Do not forget to initialize the system upon sensor replacement use the INP menu chapter 4 2 5 Replacement of fuses Fuse replacement should be performed only by qualified personnel 18 List and type of fuses used in the MX15 control unit the fuses used should comply with CEI 127 should be timed and have a low cutoff power Vil Spare parts Fuse 630 mA ref 6154627 Full electronic map ref 6451569 Potentiometer cover ref 6123711 Cover retention screw ref 6902569 Equipped ready front cover self adhesive front panel small cover mounted 4 screws ref 6323648 19 Vill Examples of connections JUMPER LNT DEF MAINS 230VAC RLI COM RL2 24V rel
21. ot detailed below because it is only reserved for the manufacturer never use it without previous training 2 2 Menu Selection display the desired menu as indicated in the previous chapter select this menu by pressing the ENTER key 2 3 To exit while viewing a menu ECHAP Simultaneously press the and keys and then confirm reject the saving of potentially modified parameters press ENTER to abort without any change press then ENTER to exit and save the changes 2 4 Programming menu A maintenance symbo Y is displayed while using the programming menu e This allows programming of parameters of the measuring channel such as On off yellow DEL is blinking Detected gas chemical symbol CH4 CO etc Measuring unit LEL ppm etc Measuring scale and decimal point 0 1 1 0 10 100 1000 etc To program two gas alarm thresholds characteristics corresponding red DEL is on during this step To select the erasure type of gas alarms 1 manual MAN if the gas concentration again becomes lower than the preset alarm threshold this alarm must be acknowledged manually by pressing the acknowledgment key x 2 or automatic AUT if the gas concentration again becomes lower than the preset alarm threshold the acknowledgment 1s automatic Timing in minutes and seconds of the alarm relay activation time yellow DEL is blinking Diagram of alarm activation Exceeding alarm DEL AL relay t
22. ragraph 4 13 have not been performed because they do not apply due to the operating conditions of the MX15 control unit 3 Connection of detectors other than INDUSTRIAL SCIENTIFIC to the MX15 control unit As previously explained the user who wants to connect detectors other than INDUSTRIAL SCIENTIFIC should ensure that they are compatible with the control unit so that the unit is considered a safety device 3 1 Transfer curves of control unit in configuration 0 at 100 LEL The following curve provides a response to the control unit regarding the measured value and fault processing based on the value of the input current supplied by the detector In the event that the user connects a detector of a brand other than INDUSTRIAL SCIENTIFIC to the MX15 control unit he she should ensure that the transfer curve 1s compatible with the input characteristics of the control unit so that the information provided by the detector is accurately interpreted In addition the control unit should supply a sufficient supply voltage taking into account the cable drops Display in LEL cos ue M vas aan an 15 yu Ds f 7 ae Ea H os Lo 2 re sa mA mA mA Caution When the sensor reading is gt to 100 LEL the measuring unit memorizes this scale overrun the channel passes to alarm and fault mode The resetting of this status is manual and is the responsibility of the user who should comply with the safety instructions of his her site The
23. ted to the MX15 control unit to the acknowledgment terminals dry and potential free contacts at a maximum 2 meter distance Refer to the wiring examples at the end of manual VI Operating instructions 1 Instructions on the display upon activation Upon activation of the control unit a list of information 1s automatically displayed on the display unit software version maintenance access code pre programmed alarm thresholds stabilization time sheet etc and then the sensor reading continuously supplied by the sensor 1 1 Measuring channel display The MX 15 control unit continuously displays the sensor reading however by simultaneously pressing the and keys of the front keyboard the sensor reading will be replaced with an interrupted line on the display unit To return to the sensor reading display press one of the two keys or To return to normal operation simultaneously press the and keys 2 Menus Reminder for safety purposes only authorized and trained individuals are permitted to use the following menus 2 1 Menu viewing To exit the normal operating mode and access the menu list use the front keyboard press the MENU key use and ENTER keys validate the standard access code 1000 use or key to view the available menus such as PROGRAMMING PRG USI factory calibration INITIALIZATION INI CODE COD BUZZER BUZ TEST TST 14 the USI menu is n
24. uts outputs 3 cable gland type M20 cable diameter 5 5 to 12 mm 1 cable gland M16 diameter 4 to 8 mm direct input available through wall crossing Protection IP31 Electric power supply Consumed power Operating conditions Ambient temperature Storage temperature Humidity Embedded audible alarm 230 VAC or 115VAC upon request and 24 VDC 16 VA 10 to 45 C 10 to 40 C 5 to 95 non condensed through buzzer Number of measuring channels 1 Number of sensors Cable length Sensor reading Measuring ranges Display Type Description of unit and gas Keyboard Alarms Type Relays Cutoff level OLC10 type combustible gas detector or 2 OLC10 TWIN detectors for detection of methane butane propane in boiler rooms and GPL GNV or H2 in parking lots 1 OLCTIO type combustible gas detector for detection of methane butane propane in boiler rooms and GPL GNV or H2 in parking lots l to 5 detectors of same type OLCT10 for detection of CO NO NO2 OLC10 and OLC10 TWIN max 300 m at 3x1 5 mm 4x1 5 mm between the two OLC10 TWIN OLCT10 EXPLO 1 000 m at 1 5 mm OLCT10 TOX 2 000 m at 1 5 mm continuous programmable front LCD screen 4 digits 7 segments 3 characters 14 icon segments 4 LEDs programmable by user in a list 3 characters edited by user through tactile keys for access to menus indicator test acknowledgment 2 independent thresholds defined by user manual or
Download Pdf Manuals
Related Search