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AMI 221R, Руководство оператора

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OXYGEN DEFICIENCY

MONITOR

Operator Manual

MODEL 221R

Содержание 221R

Страница 1: ...OXYGEN DEFICIENCY MONITOR Operator Manual MODEL 221R ...

Страница 2: ...ment is detected The unit s special design provides exceptional protection while eliminating the frustrations of having to deal with false alarms Note Read this manual carefully prior to installation OPERATOR MANUAL MODEL 221R ANALYZER OVERVIEW 2 METHOD OF MEASUREMENT 3 SAFETY WARNINGS CAUTIONS 4 ANALYZER INSTALLATION 5 ANALYZER OPERATION 13 ANALYZER CALIBRATION 15 SENSOR REPLACEMENT 19 TROUBLESHO...

Страница 3: ... Button SPAN Button DOWN Arrow Button I O Access for Communication Name Plate Electrical Access Plate AVAILABLE CONFIGURATIONS must be specified at time of purchase BASE UNIT ONLY PART 6ANA0600 UNIT WITH POWER CORD PART 6ANA0605 UNIT WITH REMOTE PROBE PART 6ANA0615 UNIT WITH POWER CORD REMOTE PROBE PART 6ANA0610 right side view bottom view I O Access for Power 2 ...

Страница 4: ...s which provides reliable accurate percent oxygen measurements for a general purpose environment These sensors have up to a 10 year product life This eliminates the need to replace sensors every 6 months and the need to perform monthly calibrations which drastically lowers maintenance costs 3 ...

Страница 5: ...er shall be included in the building installation for the AC power connection The circuit breaker should be as close as possible to the unit and within easy reach for the operator The circuit breaker should be marked as the disconnecting device for the analyzer You must follow the National Electrical Code NEC in your installation A supplied IEC power cord must be used if the unit is not to be hard...

Страница 6: ...ith your unit This will allow you to unplug and move the unit to an area with fresh ambient air when scheduled calibration needs to be performed Note The unit is also designed to be hard wired if that is your preference Analyzer must be connected to a solid ground for the highest level of RFI protection and safety Use 18 to 16 gauge wire for your electrical connections Key Points CAUTION Ventilati...

Страница 7: ... 6 ft cord 2 Secure the unit to the wall using the 4 mounting holes 3 Plug the Power Cord into an AC Power Outlet The length of the power cord is 6 ft 1 Turn off the mains power 2 Place the Oxygen Deficiency Monitor at a desired location It is recommended to position the unit at eye level 3 Secure the unit to the wall using the 4 mounting holes OPTION 1 INSTALLATION WITH THE POWER CORD OPTION 2 HA...

Страница 8: ...ss for Power The cable gland should be rated to NEMA 4X IP65 at the minimum or NEMA 6 IP68 which is recommended A cable gland can be acquired from AMI as a separate purchase Part 1CON02 Electrical Access Plate 4 Remove the Electrical Access Plate on the MODEL 221R to reveal the electrical connections 7 ...

Страница 9: ...rom the power source to the N terminal Connect the shield ground to a good earth ground or equivalent IMPORTANT When attaching wiring to the green terminal connectors use either solid wire or stranded wire with wire ferrule s attached Verify no loose strands are visible after installation of wire ferrule s 7 Feed cable through the cable gland which fits Cord OD of 0 24 to 0 47 10 Re install the 3 ...

Страница 10: ...se in your installation skip this section and proceed to Step 14 Metal Hole Plug 1 1 Remove the Metal Hole Plug 12 Install a cable gland to the I O Access for Communication The cable gland should be rated to NEMA 4X IP65 at the minimum or NEMA 6 IP68 which is recommended A cable gland can be acquired from AMI as a separate purchase Part 1CON02 13 Feed cable through the cable gland 9 ...

Страница 11: ...th ground or equivalent 16 Connect the Phoenix connector to the appropriate Interface Group To complete wiring for another connection repeat Steps 12 13 and select a different connection to install the Phoenix connector 1st Interface Group RS485 Communications 2nd Interface Group 4 20mA Analog Output 3rd Interface Group Alarm One Relays 4th Interface Group Alarm Two Relays INTERFACE GROUP CONNECTI...

Страница 12: ...17 Put the Electrical Access Plate back in place and secure 18 Connect the shield ground to a good earth ground or equivalent Earth Ground 19 Turn on the mains power 1 1 ...

Страница 13: ... with Remote Probe can mount the Probe using the included bracket as shown above Note The probe includes a 12 ft cable but can be ordered with a longer optional length up to 300 ft To extend the cord to a different length contact the factory PROBE BRACKET ENGINEERING DRAWING 12 ...

Страница 14: ... 19 5 OSHA standard the LED will change to red and the audible alarm will sound to alert personnel to leave the room The audible alarm is rated at 95dB If oxygen levels exceed 23 5 the audible alarm will sound LED indicator INDICATION LED COLOR Below 19 5 Oxygen DANGER Level Solid Red Warning Light 95 dB ON Relay 1 de energized Relay 2 de energized Above 23 5 Oxygen ENRICHED Level Solid Red Warnin...

Страница 15: ...d the status LED will turn red and flash After 45 min of running on back up battery power the audible alarm will trigger And after about 1 hour of total time running on back up battery power the batteries will start to die and the LCD back light will turn off though the LED will continue to flash POWER STATUS LED COLOR Unit Warming up Solid Blue Light Alarms are disabled ACTIVITY Lost of AC Power ...

Страница 16: ...on where there is fresh ambient air This will ensure that no contaminant will interfere with the calibration Note Once the Monitor is disconnected from the AC power source its battery will continue to supply 1 hour of back up power 1 Once in an area with fresh ambient air the oxygen level reading should stabilize rather quickly 2 Verify that the Oxygen Deficiency Monitor is reading 20 9 If not pre...

Страница 17: ...e Block and Bleed procedure will clear any trapped oxygen from the regulator and insure an accurate calibration BLOCK AND BLEED STEPS 1 Connect a pressure reducing regulator to the Span Gas Tank Note It is essential that the regulator has a stainless steel diaphragm Failure to do so will invalidate the calibration 2 After the regulator has been attached to the Span Gas Tank and properly tightened ...

Страница 18: ...ckly close the valve of the Span Gas Tank Note The gas will escape at the Span Gas Inlet Port since it is not fully sealed connection Repeat this procedure 7 times but tighten the gas fitting at the Span Gas Inlet Port for the last Block Bleed CALIBRATION STEPS 1 Connect the Calibration Adapter to the MODEL 221R 2 Open the valve of the Span Gas Tank and adjust the regulator pressure to approximate...

Страница 19: ... Down Arrow Buttons UP Arrow Button How do I view the current calibration Span Factor Press the UP Arrow Button IMPORTANT The SPAN FACTOR is an indication of sensor life The span factor is accurate only after an accurate callibration has been completed The SPAN FACTOR of a new oxygen sensor is in the range of 400 to 600 After each calibration the SPAN FACTOR will increase slightly When the SPAN FA...

Страница 20: ...nd of its product life contact AMI to make arrangements The sensor can only be replaced on the MODEL 221R at our factory The MODEL 221R has no serviceable parts inside If you encounter an issue with your unit contact AMI for support and to obtain a Return Material Authorization RMA TROUBLESHOOTING SERVICE DOWN Arrow Button How do I view the Last Calibration Date Press the DOWN Arrow Button to view...

Страница 21: ...s available for purchase for the MODEL 221R ANALYZER ACCESSORIES Accessories Part Number Calibration Adapter 4BLK41 Cable Gland for I O Access for Power 1CON02 for Cord OD 0 24 to 0 47 RS485 cable with length 6 ft 1 8 m 3DON01 20 ...

Страница 22: ...________________________________________________________________ RFI protected Measurement Range ______________________________________________________ 0 0 25 0 of oxygen Operating Temperature Range ______________________________________________________ 41 F to 104 F Isolated Analog Output Signals __________________________________________________________4 20 mA Status LED ________________________...

Страница 23: ...__________________________________________________90 240VAC 50 60Hz 1 1W Mains supply voltage fluctuations up to 10 of the nominal voltage Battery back up _________________________________________________________________________1 hour OPTIONS Probe ________________________________________ Optional Remote Oxygen Sensing Probe can be located up to 300 ft away from the control unit 22 ...

Страница 24: ... components AMI s obligation is expressly limited to the Analyzer itself EXCEPT FOR THE FOREGOING LIMITED WARRANTY AMI MAKES NO WARRANTIES EXPRESS IMPLIED OR STATUTORY AS TO THE NON INFRINGEMENT OF THIRD PARTY RIGHTS MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IF APPICABLE LAW REQUIRES ANY WARRANTIES WITH RESPECT TO THE SYSTEM ALL SUCH WARRANTIES ARE LIMITED IN DURATION TO TWO 2 YEARS FROM...

Страница 25: ...PAGE INTENTIONALLY LEFT BLANK 24 ...

Страница 26: ... Mesa CA 92626 OM 300 006 Rev D 01 12 2022 Advanced Micro Instruments Inc ADDRESS Advanced Micro Instruments Inc www amio2 com Tel 714 848 5533 Fax 714 848 4545 Email sales amio2 com HIGH PERFORMANCE RELIABILITY INTUITIVE DESIGN ...

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