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OTIS GenII WireFree OI-6900, Operation Manual, Page: 19 / 49

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OTIS GenII WireFree OI-6900 Operation Manual Download Page 19

Calibration cont...

11. Replace the sensor rainguard with an Otis OI-410 Calibration Cup.
12. Apply a known calibration gas to the OI-410 Calibration Cup that is attached to the sensor housing. 
13. Touch the magnet to 

MENU

.

14. The display screen should resemble the following illustration, counting down to begin Auto Cal.

15. Once Auto Cal is complete, the OI-6900 will display the caled “Reading: ___”.
16. Unscrew the OI-410 Calibration Cup.
17. Reattach (screw on) the sensor rainguard to the sensor housing.
18. Once Calibration is complete, proceed to the next step.

19

Summary of Contents for GenII WireFree OI-6900

Page 1: ...nsor Assembly __________________________________ Operation Manual Revision 2 3w ________________________________________________________________________________ _______________________________________...

Page 2: ...s made at the sensor assembly one man non intrusive calibration is quick easy and allows the sensor housing and enclosure to remain Class I Division 1 Group C and D certified while in the field Non in...

Page 3: ...etting Radio Address 23 Advanced Menu Mode 25 Relays Alarms Test Setting 25 Setting Network ID 26 Diagnostics 27 Last Setup Times 28 Unit Info 28 Background Gas Setting 29 Calibration Method Setting 3...

Page 4: ...ireFree Model OI 6900 Sensor Assembly This document should be read before initial operation of the product Should a question arise during the use of the product this document will serve as a first ref...

Page 5: ...the non intrusive calibration method which requires the use of an Otis Instruments Inc distributed magnet However if the Moore lid is removed for whatever reason the OI 6900 certification is not valid...

Page 6: ...Complete System Diagram The following diagrams should be consulted for identification of the system and all parts that may be referred to in this Operation Manual Complete System External 6...

Page 7: ...Complete System Internal 7...

Page 8: ...functional and access to system and settings menus is allowed 1 Locate ADD on the Front Panel 2 Touch an Otis Instruments Inc distributed magnet to the left side of the device to activate ADD and turn...

Page 9: ...splay Screen should resemble the following illustration 4 When 0 is displayed the device is in Normal Operating Mode and ready to operate NOTE If the device is in Fault in this example Fault 14 the Di...

Page 10: ...ll display Fault 9 for that sensor channel 1 Locate SUB on the Front Panel 2 Touch and hold an Otis Instruments Inc distributed magnet against the right side of the device for four seconds to activate...

Page 11: ...Power off cont 3 When powering off the display screen will switch from showing 0 to OFF The display will continue to show OFF when power is being supplied to the unit until the device is powered on 11...

Page 12: ...he device is in Normal Operating Mode and there is no gas present the sensor will send a message to the receiving controller every minute approximately to indicate that the system is in working order...

Page 13: ...Manual switching may be used in calibration when the Moore explosion proof enclosure lid is removed The magnet switches for non intrusive calibration are activated by an Otis Instruments Inc distribu...

Page 14: ...The display screen should resemble the following illustration NOTE A message will be sent to the receiving controller indicating that the sensor is in Null Mode 4 As the Display Screen instructs pres...

Page 15: ...r is answered the device will default back to the primary Null screen If this occurs simply press ADD again 7 The Display Screen should resemble the following illustration as the device counts down fr...

Page 16: ...or 1 After the Null has been set see above touch an Otis Instruments Inc distributed magnet to the top side of the device to activate the MENU button 2 The display screen should resemble the following...

Page 17: ...h the magnet to ADD Yes for the device to begin Auto Cal or SUB No to return to Normal Operating Mode NOTE If Yes is chosen the device will be calibrated To stop calibration after this point the batte...

Page 18: ...DD to increase the reading displayed on the screen by 1 LEL or SUB to decrease 8 Once the LEL displayed on the screen matches that of the calibration bottle touch the magnet to MENU 9 The display scre...

Page 19: ...sor housing 13 Touch the magnet to MENU 14 The display screen should resemble the following illustration counting down to begin Auto Cal 15 Once Auto Cal is complete the OI 6900 will display the caled...

Page 20: ...Cal 1 After the Null has been set see above touch an Otis Instruments Inc distributed magnet to the top side of the device to activate the MENU button 2 The display screen should resemble the followi...

Page 21: ...s OI 410 Calibration Cup 5 Apply a known calibration gas to the OI 410 Calibration Cup that is attached to the sensor housing 6 The sensor s detection of gas will begin to climb in value as shown on t...

Page 22: ...alibration gas EXAMPLE If the calibration gas is 25 PPM and the number on the display screen is 22 PPM touch the magnet to ADD approximately three times 9 The device is now calibrated 10 Unscrew the O...

Page 23: ...or Address to match the one assigned to this Sensor Assembly at the monitor 1 After Calibration is complete see above touch an Otis Instruments Inc distributed magnet to the top side of the device to...

Page 24: ...ributed magnet to the top side of the device to activate the MENU button to exit Basic Menu Mode 5 The device is now in Normal Operating Mode The Display Screen should resemble the following illustrat...

Page 25: ...s and accurate transmission of radio waves from the device to the transmission controller NOTE The relay test value will always start at 0 If the OI 6900 times out of Relay Test Mode it will immediate...

Page 26: ...he Relay Alarm Test is complete continue to the next step Setting Network ID To ensure proper communication with the receiving monitor set the Network ID to match the one assigned to the monitor 1 Aft...

Page 27: ...k ID to match the one assigned to the monitor 4 Once the Network ID is set continue to the next step Diagnostics The diagnostics screen allows the user to view the Radio Status Battery Voltage Power a...

Page 28: ...of the device to activate the MENU button 2 The display screen will show 3 Once the Last Setup Times have been viewed continue to the next step Unit Info The Unit Info screen allows the user to view...

Page 29: ...e Background High setting the unit will transmit every five seconds 1 After the Unit Info has been viewed see above touch an Otis Instruments Inc distributed magnet to the top side of the device to ac...

Page 30: ...d resemble the following illustration 3 Touch the magnet to SUB to choose Auto Cal as the Calibration Method 4 Once the Calibration Method has been set continue to the next step Setting LCD Contrast 1...

Page 31: ...esired setting 4 Once the Contrast has been set continue to the next step Restore to Factory Default 1 After the Contrast has been set see above touch an Otis Instruments Inc distributed magnet to the...

Page 32: ...ttings are Background Gas set at 4 of full scale Network ID set at 5 Sensor Radio Address set at 1 4 If No is selected the device will return to Normal Operating Mode If Yes is selected the display sc...

Page 33: ...tore to Factory Default cont 6 The device is now in Normal Operating Mode NOTE If the OI 6900 was reset to factory default repeat the configuration steps as well as re null and re calibrate the device...

Page 34: ...RNAL COMPONENTS NOTE Replacement of the battery should be done in a non classified environment where no explosive gas is present The device uses an Otis size D Lithium 19AH battery with connector New...

Page 35: ...ved from the standing eyelets NOTE Do not use any metal object to help remove the Front Panel NOTE Do not remove any connecting wires 4 Gently lay the Front Panel to the side of the device so that ins...

Page 36: ...battery s plug in the socket 10 Slide the new battery into the Battery Mounts 11 Replace the unit back in the Moore enclosure by matching each mounting post to its corresponding eyelet inside the enc...

Page 37: ...the lid until it is tightly screwed in place approximately 20 rotations 16 Power on the device and check the battery voltage to ensure that the new battery is fully functional and at 3 6 volts For ins...

Page 38: ...ests could be an indicator of the device needing sensor replacement CAUTION THE INTERNAL COMPONENTS CAN BE STATIC SENSITIVE USE CAUTION WHEN OPENING THE ENCLOSURE AND HANDLING INTERNAL COMPONENTS 1 Po...

Page 39: ...out of the device NOTE Do not use any metal object to remove the sensor NOTE Be careful to not remove the sensor board when removing the sensor 5 Slide the new sensor into device matching the sensor p...

Page 40: ...placed by an appropriate Otis Instruments Inc approved 2 4 GHz or 900 MHz antenna 1 Power off the device by touching and holding an Otis Instruments Inc distributed magnet against the right side of th...

Page 41: ...acement cont 3 Screw the new Antenna onto the Antenna Fitting 4 Power on the device by touching the magnet to ADD NOTE When the magnet touches the device and a connection has been made a trapezoid wil...

Page 42: ...Appendix A O2 Sensor Information 42...

Page 43: ...l be called BackgroundL the Background High will be called BackgroundH When the background reading is below the Background Low setting or above Background High setting the unit will transmit every fiv...

Page 44: ...Appendix B OI 6900 Troubleshooting Guide 44...

Page 45: ...is wrong with the sensor or sensor board NOTE Positive sensors are all EC sensors not mentioned as a negative sensor NOTE On negative sensors the sensor assembly should never show F5 Solution If ther...

Page 46: ...is fault only occurs on sensor assemblies that contain a radio Solution Refer to the solutions provided for F9 Also make sure the Primary is On and that the Network I D on the Primary is the same as t...

Page 47: ...readable LED backlight Radio Options 2 4 GHz ISM 100mW 3 miles LOS 900 MHz expected release 1H 2011 Antennas Solid black 900 MHz domestic Yellow tip 2 4 GHz international Interface Three push buttons...

Page 48: ...by fire lightening water damage or other hazard voids liability of the manufacturer In the event that a product should fail to perform up to manufacturer specifications during the applicable warranty...

Page 49: ...49 Otis Instruments Inc 301 S Texas Ave Bryan TX 77803 Service Department 903 566 1300 Corporate Office 979 776 7700 service otisinstruments com www otisinstruments com...

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