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Summary of Contents for OI-6900-X-X-T-2B

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Page 3: ...ERVICING DANGER DANGER OTIS INSTRUMENTS INC OI 6900 X X T 2B IS AN AMBIENT AIR TOXIC GAS SENSOR ASSEMBLY AND ONLY MONITORS IN THE IMMEDIATE VICINITY OF THE SENSOR HOUSING A SITE SURVEY IS REQUIRED IN ORDER TO DETERMINE THE BEST PLACEMENT AND QUANTITY OF SENSOR ASSEMBLIES IMPROPER INSTALLATION CAN LEAD TO AN UNDETECTABLE GAS LEAK WHICH COULD RESULT IN PERSONAL INJURY OR LOSS OF LIFE ...

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Page 5: ... PERFORMING THE RELAY TEST 12 3 2 NETWORK ID 12 3 3 SYSTEM INFORMATION 13 3 4 NULL CALIBRATION TIMER INFORMATION 13 3 5 UNIT INFORMATION 14 3 6 BACKGROUND SETTING 14 3 7 CALIBRATION METHOD 15 3 8 DISPLAY SCREEN CONTRAST SETTING 16 3 9 RETURN TO FACTORY DEFAULT SETTINGS 17 4 OPERATION SETTINGS 19 4 1 POWERING THE DEVICE 19 4 1 1 POWERING ON 19 4 1 2 POWERING OFF 19 4 2 SENSOR CALIBRATION 20 4 2 1 N...

Page 6: ...ABLE OF CONTENTS ii OI 6900 X X T 2B OPS GUIDE_REV 1 1 APPENDIX A PRODUCT WARRANTY STATEMENT 33 APPENDIX B INFORMATION ABOUT RMA SERVICE REPAIRS 35 APPENDIX C INFORMATION ABOUT RMA RETURNS FOR CREDIT 37 ...

Page 7: ...y minute The OI 6900 display screen will always show the present concentration of gas being detected by the sensor assembly More information about the Background Gas Set point is found later in this manual This document is an operation manual containing diagrams and step by step instructions for the proper and safe installation start up configuration and settings normal operation and product maint...

Page 8: ...sponse Time Varies based on gas type WireFree Radio Option GEN II 900 MHz 52 Networks 255 Sensors per Network GEN II 2 4 GHz 78 Networks 255 Sensors per Network RF Connection N Female Radio Frequency RF Connector Display Transflective sunlight readable 102x64 LCD Screen LED Back Light Interface 3 Push Buttons MENU ADD SUB 3 Magnetic Switches for Non Intrusive Calibration Mechanical Specifications ...

Page 9: ...xternal and internal system components that may be referred to in this manual 1 3 1 EXTERNAL SYSTEM DIAGRAM 1 Antenna 2 Antenna Fitting 3 MENU Button 4 Enclosure 5 Front Panel Thumbscrew 6 SUB Button 7 Sensor Housing Base 8 Sensor Housing Cap 9 ADD Button 10 LCD Display Screen 11 Enclosure Lid 12 Otis Magnetic Tool 13 Cal Adapter Kit ...

Page 10: ...W 4 OI 6900 X X T 2B OPS_GUIDE_REV 1 1 1 3 2 INTERNAL SYSTEM DIAGRAM 1 Sensor Housing Connector 2 Sensor Housing Plug 3 Batteries 4 Radio Module 5 Battery Connectors 6 Antenna Fitting Connector 7 Battery Spring Clips ...

Page 11: ...EV 1 1 5 1 3 3 ASSEMBLY DIAGRAM 1 Enclosure Lid 2 Internal System 3 Antenna Fitting Connector 4 Enclosure 5 Antenna Fitting 6 900 MHz Antenna OR 7 2 4 GHz Antenna 8 Sensor Housing Base 9 Sensor Element 10 Sensor Housing Cap 11 Sensor Housing Plug ...

Page 12: ...airborne particles could cover or coat the sensor head The unit should be placed in an area that will produce the highest gas concentration Enclosed corners and stopping points of moving devices are two areas susceptible to a buildup of toxic gas In order to provide an accurate representative sample of a room care should be taken to avoid locating the unit near a room entrance fresh air intake ven...

Page 13: ...w length varies with user need Flat washers for bolts nuts screws Minimum Grade 5 or better Corrosion protection for all hardware paint galvanize zinc plating etc 2 3 WIRING CONFIGURATIONS The OI 6900 is powered by dual 3 6V 19AH Lithium Thionyl batteries The batteries should be replaced in pairs and you should not mix old and new batteries CAUTION The internal components can be static sensitive U...

Page 14: ...nal system from the device enclosure Disconnecting the internal system may provide ease in accessing the control board terminals for connecting the battery plug into the battery connectors If this step is performed it is essential that all connections are rejoined before returning the internal system back into the enclosure 2 3 2 CONNECTING THE BATTERIES To provide power to the OI 6900 you will ne...

Page 15: ...the thumbscrews when opening or closing the enclosure 3 Verify that the sealing ring seated at the threaded opening of the device enclosure is correctly in place 4 Affix the enclosure lid back onto the device rotating the lid until it is tightly screwed into place 2 4 SYSTEM START UP After power is applied the unit will enter into OFF mode Once the enclosure is properly closed you may turn the uni...

Page 16: ...oth screens The unit continuously registers that the system is in fault so that even with at a glance instrument checks in the field it can be seen When the fault is corrected the unit will return to normal operating mode For a list of the fault codes and warning symbols of the OI 6900 and their associated meaning refer to the Product Troubleshooting section of this manual Both system menus are ac...

Page 17: ...he presence of a toxic gas at the sensor The relay test is used to ensure the proper functionality of the relay settings on the monitor The test can also be used to simulate emergency safety drills onsite NOTICE The triggering of relays from the detector will also simulate low and high level alarm relays at the monitor Monitors cannot distinguish between real and simulated data received When the m...

Page 18: ...lete press the SUB button to return the relay test reading back to zero and to deactivate the monitor alarm s 3 Press the MENU button to advance to the Network ID screen 3 2 NETWORK ID The Network ID is used to synchronize the communication between the Otis Monitor and Sensor Assembly There are 52 networks available with the GEN II 900 MHz radio There are 78 networks available with the GEN II 2 4 ...

Page 19: ...screen is for informational purposes only 1 Press the MENU button to advance to the Null Calibration Time Information screen 3 4 NULL CALIBRATION TIMER INFORMATION The null calibration time information screen allows the end user to view the following information The days since the sensor assembly was last nulled only updates while the unit is turned on The days since the sensor assembly was last c...

Page 20: ...at which the radio transmission changes from once every minute to once every five seconds The background setting is adjustable so that if there is a consistent level of gas always present the sensor will not increase the radio transmission rate this leads to longer battery life on sites where a consistent low level of gas is always present in the background The default background level is 4 of the...

Page 21: ...screen will not appear Manual calibration lets you use the ADD and SUB buttons during calibration to match the reading shown on the screen to the value of the gas being applied Auto calibration will set the reading after a predetermined amount of time during calibration to the value entered during the auto calibration setup process 1 Use the ADD button to select manual calibration and the SUB butt...

Page 22: ...screen contrast is 53 approximately 83 of the contrast scale The contrast setting ranges from 1 to 64 NOTICE Setting the contrast too low will cause the display image to become faint or indistinguishable especially when the unit is located in areas with full sun The resulting field of view could be misinterpreted as an error within the device Be sure to verify that the selected contract is within ...

Page 23: ...n Timer Cleared Unit Information Calibration Method Manual Background Setting 4 Contrast OI 6900 Operation Factory Default Settings Configuration Setting Sensor Element Null Cleared Sensor Element Calibration Cleared Sensor Radio Address 1 1 Press the ADD button to select Yes to return the device to its factory default settings and to advance to the return to factory default settings confirmation ...

Page 24: ... and to return the device to normal operating mode If you do not wish to continue to return the device to its factory default settings press the SUB button to select No to leave the product settings and configuration menu and to return the device to normal operating mode NOTICE If the OI 6900 is reset to the factory default settings the configuration steps MUST be repeated and the device MUST then...

Page 25: ...ICE 4 1 1 POWERING ON Powering on the device begins the operation of the unit automatically initiating the system start up cycle and 1 minute warmup period The OI 6900 will be in normal operating mode at the completion of the system start up 1 Press the ADD button once to power the unit 4 1 2 POWERING OFF Powering off the device stops the operation of the unit The product settings and configuratio...

Page 26: ...ed ninety 90 days Otis recommends that you calibrate your device regularly to ensure proper functionality and a safe work environment 4 2 1 NULLING THE SENSOR AUTO NULL The first step of calibration is nulling the sensor sometimes referred to as setting the zero or zeroing the sensor The nulling process MUST be performed in known clean air with no contaminants or hazardous gasses present If air qu...

Page 27: ...discontinue the null process and to return to the previous screen NOTICE If Yes is selected at this point the null process cannot be stopped without disconnecting the batteries from the unit 4 The unit will automatically begin the 12 second null process During null the display will show a countdown of the time remaining until the process is complete 5 When null process is complete press the MENU b...

Page 28: ...tor to the calibration gas bottle 3 Attach the tubing on the Calibration Adapter Kit to the regulator on the calibration gas bottle 4 Ensure that the gas is flowing and watch the reading increase When the reading stabilizes approximately 1 to 2 minutes use the ADD and SUB buttons to adjust the reading on the screen to match the applied calibration gas concentration NOTICE If the sensor responds ex...

Page 29: ... button to select No to advance to the sensor radio address setting screen 2 Press the ADD button to select Yes to confirm that you want to calibrate the sensor and to continue to the concentration setting screen If you do not wish to continue to calibrate the sensor press the SUB button to select No to advance to the sensor radio address setting screen 3 Use the ADD and SUB buttons to adjust the ...

Page 30: ...libration process the amount of time on the timer will vary based on the gas type During calibration the display will show a countdown of the time remaining until the process is complete NOTICE Once the calibration countdown has started the process cannot be stopped without disconnecting the batteries 8 When calibration is complete detach the Calibration Adapter Kit from the sensor and reaffix the...

Page 31: ...ds a unique radio address in order to avoid a fault at the receiving monitor The default radio address is 1 4 3 1 SENSOR RADIO ADDRESS SETTING 1 Use the ADD and SUB buttons to increase and decrease the sensor radio address respectively 2 Press the MENU button to save the desired setting and to exit the operation settings menu and to return the device to normal operating mode ...

Page 32: ...webs bugs and insects and or any other debris that could potentially cover or coat the sensor Keeping the sensor head clear of foreign articles will allow for proper operation of the device A brief inspection during scheduled maintenance should suffice but dependent upon the location and the environment in which the unit is installed more frequent inspections may be warranted The OI 6900 may be ad...

Page 33: ...sitive Use caution when opening the enclosure and handling internal components DO NOT use any metal objects or tools to remove the sensing element from the sensor adapter board 1 Press and hold the SUB button for approximately 6 seconds until OFF shows on the display screen 2 Unscrew and remove the sensor housing cap from the sensor housing base Set aside 3 Using the thumb and forefinger gently un...

Page 34: ... terminal board from the internal system DO NOT mix old and new batteries 1 Press and hold the SUB button for approximately 6 seconds until OFF shows on the display screen 2 Remove the enclosure lid unscrewing it from the device enclosure Set aside 3 Gripping the front panel thumbscrews lift the internal system out of the enclosure and rest it against the rim of the enclosure opening NOTICE Discon...

Page 35: ...g eyelet anchored within the base of the enclosure 10 Using the thumbscrews gently push to seat the internal system into the mounting posts NOTICE The thumbscrews on the OI 6900 function ONLY as thumb holds for ease in removal of the internal system from the base of the enclosure Do NOT attempt to loosen or tighten the thumbscrews when opening or closing the enclosure 11 Verify that the sealing ri...

Page 36: ...bsence of gas a sensor error or an analog sensor board error 1 Recalibrate the sensor element and verify that gas is present during calibration 2 Replace the sensor element 3 Replace the sensor interface board F14 Check Radio 1 The sensor assembly has lost communication with the Primary Monitor Network ID is incorrectly configured Sensor assembly is obstructed too far from the Primary Monitor Radi...

Page 37: ...itting OI AF NXP 900 MHz Antenna OI AN 900 FLEX S 2 4 GHz Antenna OI AN 2 4 RIGID S Internal Replacement Parts Part Name Otis Part Number Control board with LCD Screen OI 6900 CB 2B PCA Radio Board with no radio module OI 6900 RB 2B PCA GEN II 900 MHz Radio Module OI RADIO 900 LAIRD GEN II 2 4 GHz Radio Module OI RADIO 2 4 TH 3 6V 19AH Non Rechargeable Battery OI WF691 B Photo Ionization Detector ...

Page 38: ...CES 32 OI 6900 X X T 2B OPS_GUIDE_REV 1 1 APPENDICES APPENDIX A OTIS INSTRUMENTS PRODUCT WARRANTY STATEMENT APPENDIX B INFORMATION ABOUT RMA SERVICE REPAIRS APPENDIX C INFORMATION ABOUT RMA RETURNS FOR CREDIT ...

Page 39: ... h defects caused by normal wear and tear or otherwise due to the normal aging of the Otis product or i any product in which a product labeled serial number has been removed defaced or altered in any way If examination and assessment discloses that the alleged defect in the product does not exist or was caused by the end user purchaser or any third party misuse neglect improper wiring or installat...

Page 40: ...s A replacement part or Otis Product including a user installable part that has been installed in accordance with instructions provided by Otis assumes the remaining term of the Warranty or ninety 90 days from the date of replacement or repair whichever provides the longer coverage for the end user purchaser When an Otis product or part is replaced or a refund is provided any replacement item beco...

Page 41: ...here to these instructions will result in the products parts being returned to sender Once the RMA Service Repair Form is received by the Otis Instruments RMA Service Department a RMA Service number will be generated The RMA Service number will be sent to the email address provided for verification of receipt RMA Service quotes have a thirty 30 day expiration Quotes that do not receive a purchase ...

Page 42: ...ble for complying with all import export requirements for shipment of RMA Service repairs to Otis Instruments Inc OTIS INSTRUMENTS RMA SERVICE DEPARTMENT Otis Instruments Repairs 301 South Texas Ave Bryan Texas 77803 Office 979 776 7700 Fax 979 776 7719 service otisinstruments com www otisinstruments com RMA ...

Page 43: ...ust be completed in its entirety and included within the box at the time of shipment Customer contact information and product information including model number serial number and specific reason s for service will need to be accessible in order to complete the form Shipments received that do not include the form or if the form is incomplete will be returned uncredited COD to the customer Once the ...

Page 44: ...Otis Instruments 301 S Texas Avenue Bryan Texas 77803 Tel 979 776 7700 Fax 979 776 7719 sales otisinstruments com service otisinstruments com www otisinstruments com ...

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