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PureAire Monitoring Systems, Inc.

Carbonyl Sulfide Waste
Gas Bag 232-05A

Joystick for
adjusting span

Push

increase the
reading and

DOWN

decrease the
reading

Carbonyl Sulfide Span
Gas Bag 232-05A

Содержание 99156

Страница 1: ...e Monitor Instruction Manual Part number 99156 0 100ppm PureAire Monitoring Systems Inc 1140 Ensell Road Lake Zurich IL 60047 Phone 847 726 6000 Fax 847 726 6051 Toll Free 888 788 8050 E mail info pureaire net Web Pureairemonitoring com ...

Страница 2: ...perience innovative products and commitment to service will satisfy your specific monitoring needs now and in the future Our growth is a result of our total commitment to supporting our customers We re available 24 hours a day 7 days a week to help you when you need us Our 24 hour Emergency phone number is 847 420 3814 We can provide field service preventative maintenance programs and training to ...

Страница 3: ...r may read elevated concentrations of COS during the sensor warm up Once the cell recovers the monitors zero may need to be adjusted The COS monitor is designed for safety monitoring where normal use is defined as zero gas concentration with an occasional excursion If the monitor is continuously exposed to carbonyl sulfide or if the monitor is exposed to very high short term gas concentrations it ...

Страница 4: ...llation 13 3 1 Site Requirements 13 3 2 Mounting 13 3 3 Sensor Installation 13 3 4 Wiring 13 3 5 Initial Startup 14 4 Air Check Carbonyl Sulfide Programming 16 4 1 Control Panel Overview 16 4 2 Joystick Operation 16 4 3 Program Flow Chart 17 4 4 Entering the Password 18 4 5 Changing the User Password 19 4 6 Entering the Menus 22 5 Maintenance Calibration 33 5 1 Routine Maintenance Schedule 33 5 2 ...

Страница 5: ...sing that may be wall mounted It s designed to require as little space for installation as possible The system has the following features 24 VDC operation Built in pyrolizer Integral digitally controlled sampling pump and flow system Local digital display User selectable dual level alarm and system fault relays Visual dual level alarm and fault LED 4 20 mA output Disposable electrochemical sensor ...

Страница 6: ...re is one on each corner of the enclosure Cover Fastening Screws Captive Philips head plastic screws used to fasten the front cover to the base of the Carbonyl Sulfide monitor There is one on each corner of the front cover NOTE Please do not over tighten the screws as the Phillips head will strip Cable Strain Relief This is the opening in the transmitter housing for connecting the 4 20 mA output 2...

Страница 7: ...or selecting and adjusting the built in menus for alarm threshold settings relay state alarm delay etc 3 Alarm Fault LED s These LED s illuminate when a gas concentration alarm or instrument fault is detected NOTE The flow rate is factory set and is continuously regulated via a built in flow sensor Flow rate is factory set for sampling distances up to 100 feet Field adjustment cannot be performed ...

Страница 8: ...g relay terminal block NOTE The flow rate is factory set and is continuously regulated via a built in flow sensor 5 Flow Chamber The converted gas from the pyrolizer is introduced to the gas sensor in this chamber Sample flow into the chamber is continually monitored If the sample pump fails the system fault relay is activated 6 Carbonyl Sulfide Sensor Cell A disposable electrochemical sensor cell...

Страница 9: ... is made 1 1 5 Alarm Relay Board 1 Power Analog output Terminal Block Fuse Field replaceable Common Common mA output 24 VDC 24 VDC Flow Sensor Pump Connector Alarm Relay 2 Alarm Relay 1 Fault Relay NC C NO NC C NO NC C NO Remote Reset Sensor cell connector terminated at the factory Fuse A new fuse can be purchased directly from Digikey com Their part number is F5689CT ND ...

Страница 10: ...g supplied to the monitor Yellow Status LED Confirms the filament drive board is operational Blue Fault Status LED Flashes to indicate various system faults When not in fault the Blue LED remains illuminated continuously Pump and Pyrolizer Drive Assembly Pyrolizer Drive Board Main 24VDC Power Connector Sample Pump 24VDC Pin 6 Common Pin 5 NOTE DO NOT Remove the shorting pin connected to pins 5 and...

Страница 11: ...ult alarm relay de energizes Operating Temp 14 to 86 F 0 to 30 C consult PureAire for lower or higher operating temperatures Humidity Typically 20 to 95 RH Warranty The warranty is limited to repairing or replacing the instrument or part thereof for a period of one 1 year after shipment when in our opinion the repair or replacement is covered by this warranty Any defective equipment must be return...

Страница 12: ... selectable alarm relays and one fault relay Rated 2amps 30VDC 2amps 250VAC 2 4 Electrical Requirements Power 24 VDC external power NOTE Must be a regulated 24VDC Power Supply Consumption 2 0 amps 2 5 Physical Characteristics Dimensions 10 W x 7 0 H x 7 0 D inches 254 x 178 x 178 mm Weight 10 pounds 4 5 kg Enclosure Type NEMA 4X wall mounted enclosure Not for use in hazardous environments Please c...

Страница 13: ...rm 1 Normal Alarm 2 Normal Do you want to alarm at a level higher normal or lower inverted than the alarm threshold Alarm Delay Alarm 5 seconds How long do you want to wait until the alarms activate Zero Suppression 2 ppm At what level do you want to see the initial gas concentration reading Set Alarm Hysteresis Alarm 1 0 0 ppm Alarm 2 0 0 ppm For use when using the monitor for control It is recom...

Страница 14: ... installed no closer than 36 inches 915 mm above floor level If mounted outdoors keep direct sunlight off the enclosure 3 3 Sensor Installation The Carbonyl Sulfide sensor cell is connected to the flow chamber at the factory Please do not disturb the sensor during installation of the monitor 3 4 Wiring 3 4 1 24 VDC Power Connect the 24 VDC power cable to the terminal block located on the inside of...

Страница 15: ...sions of 1 4 OD by 3 16 ID The total length of tubing should not exceed 100 feet 3 Apply 24 VDC power to the Power Supply PCB board The sample pump and pyrolizer heater will operate NOTE The Air Check requires a regulated 24VDC power supply CAUTION The pyrolizer insulation temperature is above 150 F and can cause burns if touched The monitor is now ready for power up On power up the monitor will i...

Страница 16: ...h ppm gas concentration on startup The sensor s zero will stabilize during this warm period NOTE The monitor is designed for continuous 24 7 hour operation Do not power down the monitor unless you intend to store the monitor Cycling the monitor on and off will diminish the performance of the Carbonyl Sulfide readings After the warmup if the monitor is reading a positive PPM and you are sure that i...

Страница 17: ...2 Joystick Operation The Air Check Carbonyl Sulfide monitor uses a 4 position joystick with a center pushbutton for selecting menus and changing values The joystick is programmed to standard protocol as follows NOTE The joystick has a built in delay to prevent accidental tampering of the menus Deliberate entries are required P r e v i o u s s Plus Pushing the joystick in this direction increases t...

Страница 18: ...PureAire Monitoring Systems Inc 17 4 3 Program Flowchart ...

Страница 19: ...ng the joystick up or down will permit you to scroll through the alphanumeric characters 3 Push the joystick up or down to enter the first digit The display is an alphanumeric display and toggles from A through Z followed by 0 to 9 The character to be entered will flash 4 Push the joystick again to the right to select the second entry Push the joystick up or down to select the second digit The cha...

Страница 20: ...password and the following explains how to change the password 1 Push the joystick down to access the Manage Passwords Menu Manage Passwords will scroll on the first line of the digital display The second line will still display the current oxygen level 2 Push the joystick to the right to enter the input screen Enter New User Password will scroll on the first line of the digital display 3 Push the...

Страница 21: ...rd entry Push the joystick up or down to select the third and final digit The character being entered will flash and the first and second characters entered will remain lit You are now ready to enter the 3 digit password 7 Push the joystick in the center to enter the password This will display the next command Re Enter New Password 8 Push the joystick to the right to enter the input screen The let...

Страница 22: ...ter Password Screen You ll need to repeat steps 2 through 11 If you do not enter the password correctly the monitor remembers the last password that was properly input If you misplace or loose your password contact PureAire with the monitors DTM for instructions on recovering your password The DTM is displayed by moving the joystick to the left 4 5 1 Enable User Password This menu permits the user...

Страница 23: ...tor to a voltmeter to read the mA output Please consult PureAire for more information From this main menu pushing the joystick to the right will select the sub menu and the digital display will scroll the following This is the menu at which to adjust the 4mA output being sent from the Air Check Monitor To change this value push the joystick right to display the 4 mA setting The display will indica...

Страница 24: ...ges Press ENTER to accept the value Push the joystick to the left brings you back to the pervious Main menu The digital display will scroll the following Push the joystick down to access the next sub menu Force loop will scroll NOTE This menu item is not available on the Carbonyl Sulfide monitor Push the joystick to the left brings you back to the pervious menu The digital display Will scroll the ...

Страница 25: ...l Indicate NORMAL Pushing the joystick down will change the relay state from NORMAL to INVERT Press ENTER to accept the value After entering the relay state the display will default back to the Set Formats menu The display will scroll the following From this main menu pushing the joystick to the right will select the sub menu and the digital display will scroll the following Push the joystick down...

Страница 26: ... the digital display will scroll the following Push the joystick twice to select the fault relay to be adjusted The display will scroll Format Fault Relay This is the menu at which to adjust the fault alarm relay state on the Air Check Monitor To change this value push the joystick right to display the relay state The display will Indicate NORMAL Pushing the joystick down will change the relay sta...

Страница 27: ...rity To access this menu from the Set Formats menu push the joystick down to display the Set Alarm Threshold Polarity adjustment menu This will scroll on the digital display Push the joystick right to access the first sub menu Set Alarm 1 Polarity will scroll on the display This is the menu at which to adjust the first level alarm polarity state on the Air Check Carbonyl Sulfide Monitor To change ...

Страница 28: ... relay state from NORMAL to INVERT Press ENTER to accept the value After entering the relay state the display will default back to the Set Relay 2 Alarm Threshold menu The display will scroll the following Push the joystick down to access the next sub menu Set Audio Alarm Polarity will scroll on the display This is the menu at which to adjust the second level alarm polarity state on the Air Check ...

Страница 29: ...activated From this main menu pushing the joystick to the right will select the sub menu and the digital display will scroll the following This is the menu at which to adjust the first level alarm relay state on the Air Check Monitor To change this value push the joystick right to display the relay state The display will Indicate LATCH Pushing the joystick down will change the relay state from LAT...

Страница 30: ...e from LATCHING to NONLATCH Press ENTER to accept the value After entering the relay state the display will default back to the Set Latching menu The display will scroll the following From this main menu pushing the joystick to the right will select the sub menu and the digital display will scroll the following Push the joystick twice to select the Audio Alarm relay to be adjusted The display will...

Страница 31: ...tering the alarm delay the display will default back to the Alarm Delay menu and the display will scroll the following NOTE The alarm delay is only available for alarms 1 and 2 There is no delay for the fault relay Any system fault will immediately activate the Fault Relay 4 6 6 Set Zero Suppression This setting is used to decrease the sensitivity of selected gas sensors It essentially programs th...

Страница 32: ...l alarm will be activated To change the displayed value push the joystick to the right to display the first level alarm setting The display will indicate a value between 0 0ppm and full scale Pushing the joystick up increases the value and pushing the joystick down decreases the value Press ENTER to accept the value After entering the relay state the display will default back to the Set Relay 1 Al...

Страница 33: ...sub menu Set Audio Alarm Threshold will scroll on the digital display NOTE The audio alarm option module is not available for Carbonyl Sulfide 4 6 8 Set Alarm Hysterisis This function was designed for PureAire s Oxygen deficiency monitor when used as a control system NOTE The Hystersis function is permits a user to set the dead band for both Alarms 1 and 2 and is not applicable to the Carbonyl Sul...

Страница 34: ...ent Local Display Display should read 0 0 4 20 mA Output Output should be 4 mA Gas Concentration Alarm Relays De energized factory default System Fault Relay De energized factory default 5 1 2 Recommended Routine Maintenance Schedule Routine Visual Checks flow fault LED Quarterly Flow rate and power status Continually supervised Flow is constantly monitored and adjusted by the internal CPU Automat...

Страница 35: ...screws The Carbonyl Sulfide cell is supplied with an O ring used to seal the cell inside the flow chamber NOTE The Carbonyl Sulfide cell will not seal properly without the O ring Replacement Carbonyl Sulfide cells are shipped with a new O ring 5 3 2 Removal of Sensor Cell Sensor cell assembled in the flow cap COS sensor Flow Cap O Ring Sensor Cell Connector board Sensor Cell connector board fasten...

Страница 36: ...to the sensor connector board Insert the 3 ea 6 32 screws that hold the sensor connector board Add the new O ring to the flow cap Confirm that the O ring is inserted properly into the O ring groove Carefully seat the new Carbonyl Sulfide cell and top flow cap to the flow chamber Insert the 3 ea 10 32 screws that hold the top of the flow cap to the flow chamber Tighten until the screws meet resista...

Страница 37: ...MBER DESCRIPTION PACKAGING 1 HX G2699770 Span gas 50 ppm Carbonyl Sulfide blended with air 1 bottle 105 liters 2 SEQRFM0030CGA RMF Regulator 0 5 SLPM preset flow rate 1 ea 3 232 05A Tedlar Sample Bag 5 liter polypropylene fitting 2 each Purchase directly from Matheson Tri Gas Ph 800 416 2505 Purchase directly from SKC Ph 724 941 9701 5 4 2 Initial Preparation and span gas preperation NOTE If the i...

Страница 38: ...et 4 20mA will scroll Push the joystick up twice and Sensor Adjustment will scroll Push the joystick to the right once and Set sensor Zero will display Note that there are 6 sub menus in the Sensor Adjustment Menu Menus 2 3 4 6 are not used for the Carbonyl Sulfide monitor Menu 4 is the only menu used during calibration and sensor adjustment 1 Set Sensor Span Used to adjust the monitor reading to ...

Страница 39: ...ate to confirm flow is not blocked 2 Connect the flexible tubing from the regulator to the inlet of the particulate filter Expose the Carbonyl Sulfide monitor to span gas for three 3 minutes Adjust the display reading to the span gas by pushing the joystick up or down to set the concentration value on the PPM display 3 Press ENTER to accept the calibration value 4 After calibration disconnect the ...

Страница 40: ...ureAire Monitoring Systems Inc 39 Carbonyl Sulfide Waste Gas Bag 232 05A Joystick for adjusting span Push UP to increase the reading and DOWN to decrease the reading Carbonyl Sulfide Span Gas Bag 232 05A ...

Страница 41: ...the Sample Inlet and Exhaust connectors The Air Check monitor has 4 ea Front Cover captive fastening screws on each corner of the front cover Use a Phillips head screwdriver to unfasten the screws to remove the front cover Please Do Not Over tighten Sample Exhaust Sample Inlet Electrical Cable connector ...

Страница 42: ...ach the particulate filter to the inlet using the tygon sample tubing supplied Ensure the correct flow by aligning the arrow towards the inlet connector NOTE If the filter gets saturated with water droplets it will diminish the response of Carbonyl Sulfide The pyrolizer insulation temperature can exceed 150F and can cause burns if touched Please power down the system when working inside the enclos...

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