OLDHAM AirAware User Manual
Contents
1. Display only of sensor type LOW ALARM Set values to activate Low alarm visual indicator On board audible alarm Relay contact 1 HIGH ALARM Set values to activate High alarm visual indicator On board audible alarm Relay contact 2 4 20 mA ON OFF Turn analog out put ON or OFF 4 20 mA Range Custom scaling of 4 20 mA signal AUDIO ON OFF Enable or disable on board audible alarm for gas alarms Note Fail and Fault conditions will always activate a pulsing audible alarm DISPLAY ON OFF Turn display ON or OFF when ON DISPLAY TYPE Select option for SAFE LOW HIGH NUMERIC when ON When OFF Blank display during normal operation Note Decimal point illuminated in far left corner of display RELAY Turns Relays On Off ENABLE DISABLE SET CAL GAS Set the calibration gas value MODBUS ADDRESS Set ModBus Address NORM Return to normal operation mode E ae OLDHAM AirAware 11 Indication of purchase option e Will not appear on menu if option not purchased NM A flashing decimal point on the lower right corner of the display will appear for 3 minutes after start up calibration bump or programming This is an indicator that the 4 20 mA signal is locked at 3 mA and that all alarm functions are disabled Once this flashing indicator clears all functions will return to normal Aborting the Set up Mode is achieved2. to shipment Refer to Sensor Replacement section page 21 for instructions After unpacking if any item listed is missing contact either your local distributor of Oldham products or call Oldham directly at 1 713 559 9280 6 AirAware OLDHAM Mounting amp Installation The mounting height of the AirAware is dependent on the gas being monitored and the source of the gas General mounting guidelines are as follows Gas Heavier Than Air Similar To Air Lighter Than Air Will collect in low Breathing zone Will collect in high lying areas 3 1m monitoring recom areas 3 1m below above floor mended 3 6 1 2m ceiling above floor Ammonia NH3 M Carbon Monoxide CO M Chlorine C12 M Hydrogen Chloride HCI M Hydrogen Sulfide H2S M Nitric Oxide NO M Nitrogen Dioxide NO2 M Oxygen 02 T Sulfur Dioxide SO2 M With 5 conduit type knockouts located around the outside edges as well as a back plate knockout for flush mounting the AirAware offers maximum mounting flexibility There is even provision for mounting on electrical outlets with 2 and 4 North American centers 6 31 OBLONG KNOCK OUT 3 16 3i FROM BACK N i Ml ee 3 30 i 314 KNOCK OUT f 2PLACES EXTERIOR DIMPLES FOR 1 81 ELECTRICAL BOX DRILL OUTS 7 19 FOR BOTH 2 A
3. ND 4 ELECTRICAL OLDHAM AirAware 7 To insure there is no damage to the main electronics it is recommended that the circuit board be removed prior to relieving a knockout or drilling through the pilot points for the flush mount option Extreme caution should be taken when removing and re installing the circuit board so as not to damage it Wiring Connect only to Class 2 power supply through approved conduit and enclosures in accordance with local authorities having jurisdiction Recommended Cable 3 or 4 conductors application dependent 24 AWG stranded tinned copper shielded cable Belden 9842 or equivalent 4 20 mA POWER OUT GND RTN IN GND GND Sge 2d d B mnm Qs coga oo LIN Da MES 1 S2 Comin im 0O CoD iia Coo no ooog i 2220 H A GND B S RS 485 S me HIGH ALARM amp Li I S S S N S nuuc AAA Za oOo O A DOOD s z o o0 Warm Up And Operation All AirAware versions operate on 12 24 VDC The Monitor version includes a 120 VAC power pack for North American electrical sockets not included in the International version that supplies 24 VDC to the instrument Once powered the instrument will go through an automatic self test During this time it will complete a full display segment test brief audio and visual alarm test software version gas type configuration M C T CT Note A as an indicator of optional audio alarm and finally a l
4. Set Up io uo roter Ieri Heel Lastest eec ep ED N 12 High Alarm Set p 1 nein pe LE tiU ER C LPs Ee ERR EE e ER 13 4 20 On Off aiunt er d benieeie bored Let re ted ia ee PG Te Lee 13 4 20 mA Range 5 coire te E E E EE 13 Audio Enable Disable oo eee cssecesecseceseceseeeseeeseeeseeeeaeeeaeeeneeeaeeenaes 14 Display On Otl 2 etti tie tide Ee rrr e tei une tL setate bebe De cee 14 Display Type ereire racen n EOE NKEL EAEE RIE EEA 14 Set Cal Gas Concentration cesccesscessceesceeeceeeceeeetecntscessceeteeesseetseeees 15 MOd Bus Address eire Ee he Eo Ee gei E S 15 Back To Normal Operation eee 16 Pru eT E 16 Mod Bus Interface 5 erre entente pectora pue oten oaa get e Senden 18 Bump function Testing sese eene nennen 18 VAS Du AM 19 C aliDEatlOTi cante ntn i ent iste Dea iti e ER NS 20 Sensor Replacement oesreste ipere er ege ORT ete iva aped 21 Specifications RES 23 Replacement Parts amp Accessories 24 Calibration Kits amp Replacement Cylinders sess 25 WAIT AMY ee da cosets H 26 4 AirAware oon OLDHAM Warnings and Cautionary Statements Failure to perform certain procedures or note certain conditions may impair the performance of the instrument For maximum safety and performance please read and follow the procedures and conditions outlined below A Sensor openings and water barriers must be kept cle
5. User Manual AirAware Stationary Gas Monitor P N 6700 1347 Revision 6 3 The Fixed Gas Detection Experts 2 AirAware Piro OLDHAM Dear Valued Customer Thank you for buying and using the Oldham AirAware Gas Monitor The AirAware can be relied upon for dependable service day after day It has been designed manufactured tested and proven under the most scrutinizing conditions possible With the minimal care and maintenance described in this Instruction Manual it will provide you with years of reliable monitoring We sincerely hope that you be pleased with the performance of the AirAware in the months and years ahead We urge you to call us with any questions or comments you may have Often times a phone call and a question can save you hours of frustration Please do not hesitate to contact us at 1 713 559 9280 All of us at Oldham appreciate the opportunity to serve you OLDHAM AirAware 3 Table of Contents Warnings and Cautionary Statements essere 5 Configurations C 5 Unpacking The Instrument esses 6 Mounting amp Installation iscesisssccssciescesssciseesscssdaqssusecanssscesdosascivea net kin 7 bnnc 8 Warm Up And Operation 1 recientes titer tere reticere baec 8 setup Mode Rue m Date o e Hen it neni e PS 9 B mp lii 12 Sensor Lype a cascade sss mde peser etse Pri eer a a E A eret RETE ER MORIR 12 Low Alari
6. an Obstruction of the sensor openings and or contamination of the water barriers may cause readings to be lower than actual gas concentrations Configurations All versions include a bright 4 digit LED display as well as low and high visual alarm indication AirAware Base part number 68100056 ABCDE A Sensor Gas Type B On Board Alarm Option C Output Options D Power Option E Vanity Faceplate Cover Option A Gas Type 1 Carbon Monoxide CO 2 Nitric Oxide NO 3 Ammonia NH3 4 Hydrogen Sulfide H2S 5 Sulfur Dioxide SO2 6 Nitrogen Dioxide NO2 7 Chlorine C12 A Oxygen O2 F Hydrogen Chloride HCl B On Board 0 No audio alarm 1 On board audio alarm C Output Options 0 None 1 On board relays 2 4 20mA output 3 4 20mA output and on board relays OLDHAM AirAware 5 D Power Option 0 No output 1 AC power adapter installed E Vanity Plate Faceplate Cover Option 0 2 None 1 Vanity plate Example 68100056 11211 means CO monitor with on board audio alarm a 4 20mA output an AC power adapter N Am Plug and vanity cover Unpacking The Instrument The shipping box should contain the following items Account for each item before discarding containers Quantity Part Number Description 1 each 6810 0056 XXXXX AirAware Instrument each 6700 1347 AirAware Instruction Manual Note Bias sensors HCl NH3 NO are not installed in instruments prior
7. ast lel or lel keystroke the scrolling message commences with the newly selected setting OLDHAM AirAware 15 Back To Normal Operation Immediately upon selecting Normal Mode the display reads NORM for 5 seconds before exiting the Set up mode During this 5 second period the user can continue to scroll forward or backward into other modes before the normal mode starts After this point both the and keys must be pressed to re enter the Set up mode Alarms Once the concentration of gas exceeds the preset alarm level the AirAware will alarm In all versions the visual alarm indicators will activate and the LED will flash once per second For units with on board audible alarm option pressing while the unit is in alarm will silence the on board alarm buzzer All alarms are non latching when the level of gas drops below the alarm point all alarms automatically switch off Indication of purchase option Although field programmable the factory alarm set points are as follows Gas Low Alarm High Alarm CO 35 ppm 70 ppm Cl2 0 5 ppm 1 0 ppm H2S 10 ppm 20 ppm HCl 5 ppm 10 ppm NO 25 ppm 50 ppm NO2 1 ppm 2 ppm NH3 25 ppm 50 ppm O2 19 5 96 vol 23 5 vol S02 2 ppm 4 ppm Frequent bump testing along with good record keeping will ensure optimum performance of the AirAware 16 AirAware OLDHAM Alarm Conditions for Different Configurations Monitor Control Transmit Con
8. at any time by pressing either the or key to select NORM and allowing the unit to sit for 5 seconds Once in the normal run mode the alarm relays audio alarms and 4 20 mA signal will be fully functional in 3 minutes Bump Testing This mode disables the audio and visual alarms relay outputs and freezes the analog output at 3 0 mA for all gases except oxygen which goes to 16 0 mA In this mode the display alternates between BUMP and the actual gas reading every half second for three minutes Once the display returns to the normal operation the audio and visual alarms relay outputs and current output will return to normal operation after an additional three minutes Sensor Type Identifies sensor type currently installed in instrument Low Alarm Set up This adjustment affects the low alarm visual indicator on board audible alarm and low alarm relay contact When in the low alarm mode Us display scrolls LOW ALARM XXXX until either of the internal le buttons are pressed to alter the setting or 3 minutes elapse at which m the set up mode is aborted and the unit returns to normal gas readings XXXX indicates the current set point and decimals are automatically placed as needed If the or le buttons are pressed during this 3 minute time the display reverts to a continuous numeno reading which indicates the new alarm setting Five seconds after the last lel Or lel keystroke the scrolling mes
9. disabled Once this flashing indicator clears all functions will return to normal If the unit fails a second time the sensor may need to be replaced Contact either your local distributor of Oldham instruments or directly NOTE Use only Oldham test gas equipment Sensor Replacement Occasionally AirA ware sensors will need to be replaced Repeated failures of Zero calibration and bump tests can be indications that the sensor has degraded Replacement sensors are available from authorized Oldham distributors Refer to page 24 Replacement Sensors and Accessories for part numbers To replace a sensor in the AirA ware Remove power from the unit Remove the optional vanity plate if installed from the face of the instrument by releasing the locking tabs page 9 Loosen the 5 Phillips head captive screws on the faceplate allowing it to hinge downward page 8 Unplug the used sensor and discard OLDHAM AirAware 21 Remove the shorting clip or small bias circuit board from the replacement sensor aligning the holes in the board with the pins on the sensor plug the new sensor into the instrument Replace cover and reapply power Once powered the display will briefly show the symbol for the gas being monitored then a live display of the gas concentration Each AirAware utilizes electrochemical sensors that may require between 10 and 360 minutes gas dependent or 12 16 hours for NH3 and HCI to s
10. display will blink five times and Zeroing will appears on the display Release the button After the unit finishes auto zeroing it will display either PASS or FAIL If the sensor passes the zeroing function switch gas cylinder and connect the calibration adapter to the sensor opening and start the flow of gas to the sensor by opening the regulator Maintain the flow of gas to the sensor until the display indicates PASS XXX or FAIL During this time the display will flash the SPAN RESERVE value of the sensor Once calibration is complete the display will flash PASS XXXX or FAILED If the unit indicates PASS XXX document the XXX span reserve value in your calibration records Remove calibration gas and disassemble regulator from cylinder 20 AirAware OLDHAM Ifthe unit indicates FAIL the display will alternate between FAIL and actual readings The audible alarm will sound every 1 2 second and the 4 20 mA signal will reflect displayed readings Check the following if the unit indicates e Fail Calibration gas cylinder concentration matches the pre programmed calibration gas settings in the Set up mode Calibration gas cylinder is not empty k3 A flashing decimal point on the lower right corner of the display will appear for 3 minutes after start up calibration bump or programming This is an indicator that the 4 20 mA signal is locked at 3 mA and that all alarm functions are
11. er 18100743 Carbon Monoxide Cal Kit 100 PPM 34 liter 18101741 Chlorine Cal Kit 10 PPM 58 liter 18102148 Hydrogen Chloride Cal Kit 10 PPM 58 liter 18100842 Hydrogen Sulfide Cal Kit 25 PPM 58 liter 18102238 Nitrogen Dioxide Cal Kit 5 PPM 58 liter 68100221 X Oxygen Zero Air Cal Kit 20 9 O2 34 liter 18102239 Sulfur Dioxide Cal Kit 5 PPM 58 liter 18102150 Nitric Oxide Cal Kit 25 PPM 58 liter Replacement Cylinders for Calibration Kits Part No 18102151 18100701 18101758 18102154 18100859 oa OLDHAM Description Ammonia Replacement CYL 25 PPM 58 liter Carbon Monoxide Replacement CYL 100 PPM 34 liter Chlorine Replacement CYL 10 PPM 58 liter Hydrogen Chloride Replacement CYL 10 PPM 58 liter Hydrogen Sulfide Replacement CYL 25 PPM 58 liter 25 AirAware 18102219 Nitrogen Dioxide Replacement CYL 5 PPM 58 liter 18102222 Sulfur Dioxide Replacement CYL 5 PPM 58 liter 18100693 Oxygen Zero Air Replacement CYL 20 9 O2 34 liter 18102153 Nitric Oxide Replacement CYL 25 PPM 58 liter Calibration kits include gas cylinder 0 5 LPM regulator and carry case Note Calibration cup not included Urethane tubing required for SO2 CI2 NO2 NH3 HCl and HCN gases Warranty AirAware Gas Monitors are warranted to be free from defects in material and workmanship for eighteen 18 months from the date of shipment or one 1 year from the date of first use whichever occurs first except where otherwise s
12. for ordering information 18 AirAware OLDHAM Zeroing Zeroing an AirAware is the act of setting the instrument to read either 000 ppm or 00 0 ppm 20 9 for oxygen in a gas hazard free environment The atmosphere must be clean and free from the target gas during the zeroing process If through ventilation and other measures it is impossible to entirely remove the target gas from your facility bottled zero gas should be applied to the instrument Connect the zero gas bottle regulator and tubing to the calibration adapter Connect adapter to sensor opening and open regulator Allow zero gas to flow for a minimum of 2 minutes With the zero gas still flowing to the sensor press and hold the key for a total of 10 seconds During the first 5 seconds the normal screen is still displayed During the next 5 seconds the text or numeric display flashes once per second If the key is still held after the full 10 seconds the word ZERO is displayed xxx A flashing decimal point on the lower right corner of the display will appear for 3 minutes after start up calibration bump or programming This is an indicator that the 4 20 mA signal is locked at 3 mA and that all alarm functions are disabled Once this flashing indicator clears all functions will return to normal Release the key and the zeroing process begins At the end of the zero process the word PASS or FAIL is displayed for 5 seconds along with a 25 sec
13. ive continuous display of the gas concentration During the first three minutes of operation the alarms will not activate and the 4 20 mA signal with be held at 3 mA 16 mA for Q eet 8 AirA a aia OLDHAM Each AirAware utilizes electrochemical sensors that may require between 10 and 360 minutes gas dependent or 12 16 hours for NH and HCI to stabilize when initially activated During this warm up period the unit may display concentrations of gas and possibly alarm xxx A flashing decimal point on the lower right corner of the display will appear for 3 minutes after start up calibration bump or programming This is an indicator that the 4 20 mA signal is locked at 3 mA 16 mA and that all alarm functions are disabled Once this flashing indicator clears all functions will return to normal During normal operation the LED display shows HCl 0 2 to 30 0 ppm in 0 1 ppm increments Ch NO SO 0 2 to 99 9 in 0 1 ppm increments NH3 4 to 100 ppm in 1 ppm increments CO H55 NO 0to 999 ppm in 1 ppm increments O 0 0 to 30 0 by volume in 0 1 increments Set up Mode The AirAware is a very flexible gas monitoring instrument with many options Listed below are the various programming modes and procedures required to select various options 1 In order to make programming changes remove the optional vanity plate if installed from the face of the instrument by releasing the locking tabs 2 Loosen the 5 Phillips head cap
14. nternal or lel buttons are pressed to alter the setting or until a 3 minute timer E UN at which time iue set up mode is aborted and the unit returns to normal gas readings If the or le buttons are pressed during this time the display reverts to a continuous text reading of ON or OFF which indicates the selected setting Five seconds after the last lel or lel keystroke the scrolling message commences with the newly selected setting Display On Off Allows user to turn the digital display on or off as required If turned off a decimal point will be continuously illuminated in the bottom right corner of the display to indicate a power on condition When OFF has been selected and the instrument is in the normal run mode user access to the Set up mode is achieved by following Set up procedures Display Type This mode allows the user to select between numeric gas concentrations or a text indication of SAFE LOW HIGH When in this mode the display scrolls the message Eo pied TEXT or DISPLAY NUMERIC until either of the internal or le buttons are pressed to alter the setting or until a 3 minute timer expires at which time oe setup modes are aborted and the unit returns to normal gas readings If the ig or le buttons are pressed during this time the display reverts to a n text reading of TEXT x oe which indicates the selected setting Five seconds after the last or le keystroke the scrolling message commences wi
15. ond audible beep after which time the unit reverts to the normal reading screen An oxygen sensor will always be zeroed to 20 9 regardless of what the span gas is set to and no span reserve is shown for oxygen during zeroing If the unit displays FAIL try again ensuring the area is free of the target gas If the unit fails a second time the sensor may need to be replaced Contact Oldham for a replacement sensor see page 24 for ordering information OLDHAM AirAware 19 Calibration Oldham recommends that a full instrument calibration be performed using a certified concentration s of Oldham branded calibration gas es quarterly to ensure maximum accuracy Use of calibration gases from manufacturers other than Oldham may void product warranties and limit liability claims against the manufacturer Calibrating the AirAware is simply applying a known concentration of gas to the unit and telling the unit to self adjust to read that concentration The calibration values are pre programmed into the instrument in order to simplify the procedure For details on changing this pre programmed value refer to page 15 Standard AirAware Calibration Settings CO 100ppm Cl2 10ppm HCl 10 ppm H2S 25 ppm NH3 25ppm NO 25 ppm NO2 5ppm 02 20 996 SO2 5 ppm To calibrate the instrument e If necessary connect zero air gas bottle regulator and tubing to the calibrator adapter e Press and hold the E button After 5 seconds the
16. orth in Oldham s product literature Repair or maintenance by nonqualified personnel will invalidate the warranty as will the use of non approved consumables or spare parts As with any other sophisticated product it is essential and a condition of Oldham s warranty that all personnel using the products be fully acquainted with their use capabilities and limitations as set forth in the applicable product literature Buyer acknowledges that it alone has determined the intended purpose and suitability of the goods purchased It is expressly agreed by the parties that any technical or other advice given by Oldham with respect to the use of the goods or services is given without charge and at Buyer s risk therefore Oldham assumes no obligations or liability for the advice given or results obtained OLDHAM AirAware 27 QE OLDHAM The Fixed Gas Detection Experts EUROPEAN PLANT AND OFFICES Z Est rue Orfila CS 20417 62027 Arras Cedex FRANCE T l 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 Website http www oldhamgas com AMERICAS ASIA PACIFIC EUROPE Tel 1 713 559 9280 Tel 86 21 3127 6373 Tel 33 321 608 080 Fax 1 281 292 2860 Fax 86 21 3127 6365 Fax 33 321 608 000 americas oldhamgas com sales oldhamgas com info oldhamgas com 28 AirA a a OLDHAM
17. ration kits vanity plates controllers and many more Call for available options for your specific configuration Replacement Parts and Accessories Part No 67001198 67000596 67000604 17106659 77021897 67000265 17099391 67001123 67001115 67001131 77024354 77022051 Description Vanity plate option Calibration adapter adapter only Calibration adapter assembly includes cal adapter tubing and reducer Replacement sensor gasket Replacement water barrier for sensor opening 120 VAC to 24 VDC power adapter North American wall plug Nylon strain relief for AC power adapter Replacement Faceplate Screw Replacement Faceplate Keypad Replacement Faceplate Hinge Strap Replacement RFI screen Replacement sensor seal Replacement Sensors Part No 77040009 6798301 17077330 17066374 17033960 24 AirAware Description Ammonia Sensor NH3 Carbon Monoxide Sensor CO Chlorine Sensor C12 Hydrogen Chloride Sensor HCI Hydrogen Sulfide Sensor H2S oon OLDHAM 17071242 17060591 17050129 17060575 Nitric Oxide Sensor NO Nitrogen Dioxide Sensor NO2 Oxygen Sensor O2 Sulfur Dioxide Sensor SO2 Calibration Kits amp Replacement Cylinders Oldham offers a wide selection of calibration kits and regulators necessary for optimum AirAware performance Call for available options for your specific configuration Calibration Kits Part No Description 18102147 Ammonia Cal Kit 25 PPM 58 lit
18. ry for detailed information of ModBus registers and settings for board jumpers P1 P2 and P3 Bump function Testing Bump function testing is the act of applying a known concentration of gas to the monitor and verifying that the instrument is performing properly There are two common philosophies when it comes to BUMP or FUNCTION testing Applying gas to the instrument while in the normal run mode and awaiting a response within the allotted time is easily achieved When applying gas through the calibration adapter the unit should respond to 90 of the reading within 2 3 minutes sensor specific At this point all on board and remote alarms should be activated and the 4 20 mA signal should reflect the display reading on the instruments If a test of the sensor and display only is required without the activation of on board or external alarming devices selecting the BUMP option in the Set up mode disables all alarming functions At this point the alarm relays are disabled audio alarms are disabled and the current output locks at 3 0 mA for all gases except oxygen which goes to 16 0 mA Instrument automatically returns to normal operation If an instrument fails to operate properly following any bump functional test a full instrument calibration should be performed prior to use Refer to Section 11 Calibration for details Test gas kits for all gases including oxygen are available from Oldham see page 25
19. sage commences with the newly selected setting Indication of purchase option Will not appear on menu if option not purchased 12 AirAware OLDHAM A flashing decimal point on the lower right corner of the display will appear for 3 minutes after start up calibration bump or programming This is an indicator that the 4 20 mA signal is locked at 3 mA and that all alarm functions are disabled Once this flashing indicator clears all functions will return to normal High Alarm Set up This adjustment affects the high alarm visual indicator on board audible alarm and high alarm relay contact When in the high alarm tode i display scrolls HIGH ALARM XXXX until either of the internal oh le buttons are pressed to alter the setting or 3 minutes elapse at which me the set up mode is aborted and the unit returns to normal gas readings XXXX qu e current set point Decimals are automatically placed as needed If the ej or le buttons are pressed during this 3 minute time the display reverts to 5 continuous mmen reading which indicates the new alarm setting Five seconds after the last ia or lel keystroke the scrolling message commences with the newly selected setting 4 20 On Off Allows user to turn the 4 20 output signal on or off as required 4 20 mA Range This adjustment affects 4 20 mA scaling The 4 20 mA Range mode specifies a gas value from 0 up to the full scale range which will repre
20. sent a full scale current loop output of 20mA When in this mode the display scrolls the message RANGE XXX until either of the internal ie or le keys are pressed to alter the setting or until a 3 minute timer expires at which time the set up modes are aborted and the unit returns to normal gas readings XXX indicates the 20 mA range Decimals are automatically placed as needed If the lel or lel buttons are pressed during this time the display reverts to a continuous numeric sending which indicates the changed setting Five seconds after the last or le keystroke the scrolling message commences with the newly selected setting Indication of purchase option x Will not appear on menu if option not purchased OLDHAM AirAware 13 A flashing decimal point on the lower right corner of the display will appear for 3 minutes after start up calibration bump or programming This is an indicator that the 4 20 mA signal is locked at 3 mA and that all alarm functions are disabled Once this flashing indicator clears all functions will return to normal Audio Enable Disable This adjustment affects on board audible alarm The audio enable disable mode specifies if the audio indicator will activate upon alarm If disabled all instances of audio activation will remain active i e Fault and Fail except for gas alarms When in this mode the display scrolls pu message AUDIO ON or AUDIO OFF until either of the i
21. tabilize when initially activated During this warm up period the unit may display concentrations of gas and possibly alarm Allow sufficient time for the instrument to stabilize prior to proceeding 22 AirA T yere PONES OLDHAM Specifications Size Weight Display Relay Rating Analog Output Current Draw Digital Output Temperature Range of Operation Relative Humidity Range Measuring Range Power Audio Alarm Certification Data Subject to change without notice oe OLDHAM 7 2 x 5 6 x 1 6 18 29 cm x 14 22 cm x 4 06 cm 17 oz 482 grams 4 digit high resolution bright led Two 5 amps 30 VDC NO and NC 4 20 mA three wire interface 200 1000 ohms 24 VDC 100 500 ohms 12 VDC 125 mA 24 VDC 200 mA 12 VDC ModBus RTU RS485 4 F to 122 F 20 C to 50 C Sensor Dependent 15 90 for Toxics 0 99 for Oxygen HCI 0 2 to 30 0 ppm in 0 1 ppm increments CD NO2 SO2 0 2 to 99 9 in 0 1 ppm increments NH3 4 to 100 ppm in 1 ppm increments CO H2S NO 0 to 999 ppm in 1 ppm increments O2 0 0 to 30 0 by volume in 0 1 increments 12 24 VDC 120 VAC to 24 VDC optional item 85 db at 1 meter CSA C 22 2 No 205 M 1983 non hazardous locations AirAware 23 Replacement Parts amp Accessories Oldham offers a wide selection of options necessary for optimum AirAware performance Supplies available for the AirAware include external audible and visual alarms calib
22. tated in writing in Oldham literature accompanying the product The above warranty does not include sensors battery packs internal pumps or filters all of which are warranted to be free from defects in material and workmanship for eighteen months from the date of shipment or one year from the date of first use whichever occurs first except where otherwise stated in writing in Oldham literature accompanying the product LIMITATION OF LIABILITY OLDHAM MAKES NO OTHER WARRANTIES EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE SHOULD THE PRODUCT FAIL TO CONFORM TO THE ABOVE WARRANTY BUYER S ONLY REMEDY AND OLDHAM S ONLY OBLIGATION SHALL BE AT OLDHAM S SOLE OPTION REPLACEMENT OR REPAIR OF SUCH NONCONFORMING GOODS OR REFUND OF THE ORIGINAL PURCHASE PRICE OF THE NONCONFORMING GOODS IN NO EVENT WILL OLDHAM BE LIABLE FOR ANY OTHER SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING LOSS OF PROFIT OR LOSS OF USE ARISING OUT OF THE SALE MANUFACTURE OR USE OF ANY PRODUCTS SOLD HEREUNDER WHETHER SUCH CLAIM IS PLEADED IN CONTRACT OR IN TORT INCLUDING STRICT LIABILITY IN TORT 26 AirAware OLDHAM It shall be an express condition to Oldham s warranty that all products be carefully inspected for damage by Buyer upon receipt be properly calibrated for Buyer s particular use and be used repaired and maintained in strict accordance with the instructions set f
23. th the newly selected setting 14 AirAware OLDHAM Set Cal Gas Concentration Although factory set see below the calibration gas value can be user adjusted When in this mode the display scrolls ine message CAL GAS XXXX YYY ZZZ until either of the internal Or lel buttons are pressed to alter the setting or until a 3 minute timer Ke at which time the setup modes are aborted and the unit returns to normal gas readings If the lel Or le buttons are pressed during this time the display reverts to XXXX a indicates the newly selected value Five seconds after the last lel Or lel keystroke the scrolling message commences with the newly selected ms XXXX indicates the gas value YYY indicates the unit ppm for toxics VOL for oxygen ZZZ indicates the gas type Standard AirAware Calibration Settings CO 100 ppm Cl2 10ppm HCl 10 ppm H2S 25 ppm NH3 25ppm NO 25 ppm NO2 5ppm 02 20 9 SO2 5 ppm ModBus Address Although factory set to the last 3 digits of the instrument serial number the ModBus address can be user adjusted When n this ous the display shows the current address until either of the internal or lel buttons are pressed to alter the setting or until a 3 minute timer Se at which time the setup modes are aborted and the unit returns to normal gas readings If the or le buttons are pressed during this time the display reverts to XXXX which indicates the newly selected value Five seconds after the l
24. tive screws on the faceplate allowing it to hinge downward to provide access to internal jg or ig buttons Labeled S1 and S2 OL DHA M AirAware 9 Internal buttons 3 Press and hold both the e3 and keys on instrument faceplate simultaneously for 5 seconds Bump will appear in the display indicating the instrument is now in the Set up Mode At this point the alarm relays are disabled audio alarms are disabled and the current output locks at 3 0 mA for all gases except oxygen which goes to 16 0 mA until set up is complete If no buttons are pressed within a 3 minute time period the instrument reverts to normal operation 4 Pressing the e key will advance forward through the various options while pressing the G3 key will step backward The internal keys act as ej or buttons Page 9 to set the actual set up values or parameters Indication of purchase option un Will not appear on menu if option not purchased NK A flashing decimal point on the lower right corner of the display will appear for 3 minutes after start up calibration bump or programming This is an indicator that the 4 20 mA signal is locked at 3 mA and that all alarm functions are disabled Once this flashing indicator clears all functions will return to normal 10 Aie 0 DHAM Mode Actions Taken BUMP Disables Visual alarms Audio alarm Relay contacts Freezes 4 20 mA current output SENSOR TYPE
25. trol transmit Low Alarm Flashing Flashing Low Alarm Flashing LOW LOW LOW relay switched indicator indicator indicator mA signal Low Alarm relay Low Alarm Low Alarm proportional switched Audible Alarm relay switched to display mA signal propor tional to display High Alarm Flashing Flashing Flashing Flashing HIGH HIGH HIGH HIGH indicator indicator indicator indicator High Alarm relay High Alarm High Alarm mA signal switched Audible Alarm relay switched proportional mA signal to display proportional to display Zero Failure Flashing Flashing Flashing Flashing Display Display Display Display Pulsing Audio Pulsing Audio Pulsing Audio Pulsing Audio Alarm Alarm Alarm Alarm mA signal at old mA signal at value old value Instrument Flashing Flashing Flashing Flashing Display Failure Display Display Display Pulsing Audio Pulsing Audio Pulsing Audio Pulsing Audio Alarm Alarm Alarm Alarm mA signal at 0 mA mA signal at 0 mA No Sensor Flashing Flashing mA signal atO mA signal at 0 mA Installed Display Display mA Pulsing Audio Pulsing Audio Pulsing Audio Pulsing Audio Alarm Alarm Alarm Alarm Open mA mA signal atO mA signal at 0 mA Loop mA Pulsing Audio Pulsing Audio Alarm Alarm Shorted mA mA signal atO mA signal at 0 mA Loop mA Pulsing Audio Pulsing Audio Alarm Alarm oT OLDHAM AirAware 17 ModBus Interface The AirAware is a ModBus RTU compliant instrument Please consult the facto
Download Pdf Manuals
Related Search