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Certified ISO 9001 

Dual O

2

 / CO

2

 Monitor 

5803007 

ADI5807-C 

 

 

 

 
 
 

 

For continuous monitoring of gas levels 

INSTALLATION AND OPERATION INSTRUCTIONS 

  

Before Installing or Operating, Read and Comply with These Instructions 

 

 
 
 

 

 
 

Controls Corporation of America 

1501 Harpers Road 

• Virginia Beach, VA 23454 

To Order Call 1-800-225-0473 or 757-422-

8330 • Fax 757-422-3125 

www.concoa.com 

September 2021 

Summary of Contents for 5803007

Page 1: ...as levels INSTALLATION AND OPERATION INSTRUCTIONS Before Installing or Operating Read and Comply with These Instructions Controls Corporation of America 1501 Harpers Road Virginia Beach VA 23454 To Or...

Page 2: ...1 This page intentionally left blank...

Page 3: ...eed literper minute 500 cc per minute flow b Expose the monitor to span gas blends that consist of oxygen nitrogen or carbon dioxide only Do not expose the monitor to any combustible gas i e methane h...

Page 4: ...Schedule 18 4 4 Loss of Power Indicator 19 4 5 Alarm Reset 19 5 Dual O2 CO2 Monitor Programming 20 5 1 Joystick Operation 20 5 2 Program Flowchart 21 5 3 Entering the Password 25 5 4 Changing the Use...

Page 5: ...ype sensors our long life Zirconium O2 sensor can save up to hundreds of dollars in annual maintenance Ideal for continuously monitoring oxygen levels in confined spaces or areas where inert gases are...

Page 6: ...re and humidity do not affect the zirconium oxide oxygen cell The earth is a wonderful source of calibrated oxygen at 20 9 therefore under ambient conditions verification of the Dual O2 CO2 monitor to...

Page 7: ...r protectorshields the cell and provides airflow to the cell NOTE The sensor protector will feel HOT to the touch This is normal 5 Oxygen Sensor A Zirconium Oxide sensor which detects and measures the...

Page 8: ...will activate when either oxygen levels go below the selected alarm thresholds or CO2 levels go above the selected alarm threshold The audio alarm is non latching and will automatically turn off when...

Page 9: ...sor CO2 Sensor An NDIR sensor housed inside the cell protector NOTE The CO2 sensor is an NDIR type that is continuously monitoring ambient levels You will see a blinking orange LED flash approximately...

Page 10: ...log output connection is made 2 Sensor Cell Connector This connector is where the Oxygen sensor cell is connected NOTE Never connect the Oxygen sensor to this connector while the monitor is powered Th...

Page 11: ...ay Remote NC C NO NC C NO NC C NO Reset Horn Connector Oxygen Sensor Connector 1 2 8 Enclosure Mounting Feet Mounting Feet can be oriented in any direction Feet can also be removed for mounting the Du...

Page 12: ...ax Altitude 2000 m Pollution Degree 3 Intended for Indoor Use CE EN 61000 3 2 2006 EMC EN 61000 3 3 2008 EMC EN61010 1 3 2013LVD 2 2 Performance Specifications Carbon Dioxide sensor Sensor Type Long L...

Page 13: ...stop the scrolling and display the gas again Standard Analog Output DC 4 20 mA Optional Relay Output Dual level user selectable alarm relays and one fault relay Rated 2amps 24VAC or 24VDC 2 5 Electri...

Page 14: ...latching Do you want the alarm to automatically reset non latching or do you want to manually reset the alarm latching Alarm Delay Alarm 5 seconds How long do you want to wait until the alarms activat...

Page 15: ...is designed primarily for wall mounting and should be installed at a height convenient for operation maintenance and viewing of the instrument display The following is a drawing of the mounting dimen...

Page 16: ...s 0 62 miles 1 km The analog out and VDC power in connections are made on the terminal block inside the transmitter housing Common Common mA 4 20mA signal output to PLC 24VDC Power 24VDC Power Identif...

Page 17: ...r will output a 4 mA signal during the entire warm up period After the countdown the oxygen sensor will continue to reach its operating temperature for approximately 30 minutes and the reading display...

Page 18: ...nt that a fault condition is detected the analog output signal is altered as follows Condition Analog Signal Supply Voltage Out of Range Fault code 16 Analog output drops to 2 mA Transmitter cable cut...

Page 19: ...or approximately 4 6mA when the Carbon Dioxide is at ambient 400ppm The LCD digital display should also indicate 20 9 02 and approximately 450ppm level when the Oxygen and Carbon Dioxide levels are at...

Page 20: ...relay settings are latching then a manual reset of the alarms is required Resetting the alarms can be performed through use of the joystick or through the use of the remote reset function Joystick You...

Page 21: ...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 me...

Page 22: ...d are not Factory defaults CO2 400 O2 20 9 Enter Password 557 PassCode OK PassCode OK Set 4 20mA Loop Set 4mA Zero 157 O2 Format Relay 1 CO2 CO2 Set Formats 115 Set 20mA Span Set 4 20mA Loop Source No...

Page 23: ...udio horn will activate when the polarity of either gas is changed NOTE All numerical values shown are only examples and are not factory defaults Set Latching Relay 2 O2 Nonlatch Latch PassCode OK Set...

Page 24: ...Turn CO2 autocal on Press ENTER to continue Sensor Adjustment Set O2 Sensor Span Press ENTER to continue NOTE Zero suppression function is not available for oxygen or carbon dioxide NOTE All numerical...

Page 25: ...24 Enter New User Password Disabled Reset User Password Reset to Factory Default Enabled Enable User Password Manage PassCode OK Enter minimum of 2 characters...

Page 26: ...The display is an alphanumericdisplay and toggles from A through Z followed by 0 to 9 The character to be entered willflash 4 Push the joystick again to the right to select the second entry Push the...

Page 27: ...reen The letter A will appear and flash NOTE The display has characters that start with A through Z and 0 through 9 Pushing the joystick up or down will permit you to scroll through the alphanumeric c...

Page 28: ...haracter being entered will flash and the first character entered will remain lit 11 Push the joystick again to the right to select the third entry Push the joystick up or downto select the third and...

Page 29: ...sh the joystick up or down to change the status Once enabled or disabled is selected Push the joystick in the center to enter the new status If entered correctly the display will scroll Enable User Pa...

Page 30: ...the Dual O2 CO2 monitor NOTE To read the mA output Dual O2 CO2 monitor must either be connected to a remote PLC controller or SCADA system You can also connect the Dual O2 CO2 monitor to a DC ammeter...

Page 31: ...A output being sent from the Dual O2 CO2 monitor will change as the number on the digital display changes Push the joystick to the left to enter the value and bring you back to the pervious main menu...

Page 32: ...lecting the gas push the joystick left once to get you back to the next menu The display will scroll the following 5 5 2 Set Formats This is the menu at which to adjust the relay states for the two ga...

Page 33: ...nged to INVERT the internal horn and orange alarm LED will illuminate After entering the relay state push the joystick left to enter the setting The display will scroll the following From this main me...

Page 34: ...ill scroll the following To change this value push the joystick right to display the relay state The display will Indicate NORMAL This is the factory default state for the fault relay Pushing the joys...

Page 35: ...tick 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 CO2 Polarity will scroll...

Page 36: ...setting The display will scroll the following 5 5 4 Set Latching This is the menu at which to adjust the relay alarm state for both O2 and CO2 alarm relays and the individual instrument fault relay T...

Page 37: ...m NONLATCHING to LATCHING After entering the relay setting push the joystick left to enter the setting The display will scroll the following Push the joystick down to access the next sub menu Set Latc...

Page 38: ...left to enter the setting The display will scroll the following 5 5 5 Resetting a Latching Alarm To reset a latching alarm relay you must enter the password correctly and then push the joystick down t...

Page 39: ...NOTE The alarm delay is only available for O2 and CO2 alarms 1 and 2 There is no delay for the fault relay Any system fault will immediately activate the Fault Relay 5 5 7 Set Zero Suppression This f...

Page 40: ...g push the joystick left to enter the setting The display will scroll the following Push the joystick down to access the next sub menu Set Relay 2 Alarm Threshold will scroll on the digital display Th...

Page 41: ...a valve to close at 14 9 oxygen level and to reopen again at 15 5 oxygen level you would set the Alarm Threshold at 15 2 and set the hysteresis value at 0 3 Average Alarm set point 15 2 Hysteresis 0 3...

Page 42: ...ensor This menu will permit fine tuning of the oxygen readout to a known concentration of oxygen It is recommended to adjust the oxygen display to ambient oxygen levels of 20 9 To access this menu pus...

Page 43: ...e setting and there is no further action required by the user The sensor is factory calibrated and requires no user calibration To access this menu go to the Sensor Adjustment main menu Press the joys...

Page 44: ...ation feature push the joystick down to access the menu The display will scroll the following To turn OFF this feature push the joystick right The display will scroll the following Push the joystick i...

Page 45: ...equire a slight adjustment to 20 9 The O2 monitor also requires periodic testing with nitrogen to verify the cell s response to 0 oxygen 6 1 1 Sensor Verification Gas For testing the Dual O2 CO2 O2 mo...

Page 46: ...s this menu push the joystick down to display the Sensor Adjustment menu This will scroll on the digital display NOTE It is recommended to warm up the Dual O2 CO2 monitor for two hours before making a...

Page 47: ...complete exposure of nitrogen to the Oxygen sensor To see a true zero oxygen level the entire Dual O2 CO2 monitor needs be completely immersed into a zero oxygen environment Covering the holes will he...

Page 48: ...urate the sensor cell CAUTION For best results the oxygen monitor should be protected from wind and high airflow when gas calibrating with test gas NOTE To see a true zero the entire Dual O2 CO2 monit...

Page 49: ...ed off and a manual calibration preformed approximately every six months See Section 5 5 11 to turn off the autocal feature CAUTION DO NOT ADJUST the CO2 sensor unless you are certain that the CO2 lev...

Page 50: ...wer and mA output connection An 18 AWG three conductor shielded control and instrumentation cable Belden 8770 or equivalent is recommended for the connection The maximum permissible cable length is 25...

Page 51: ...l from the case Mount the case to a wall or other flat surface There are 4ea through holes for fastening the case The case is designed to be flush mounted NOTE The front cover can be removed from the...

Page 52: ...Belden 8770 or equivalent Max distance 250 feet When connecting to PLC remove jumper and connect MA to PLC and SHIELD to PLC Do not remove jumper unless connecting to PLC CAUTION Make all wire termin...

Page 53: ...s These switches are used to adjust the zero and full scale reading on the Remote Display Alarm Indicator When sending a 4mA and 20mA signal from your Oxygen monitor pushing these switches will automa...

Page 54: ...this in the field first enter the password on your oxygen monitor and select the Set 4 20mA loop menu See Section 5 5 1 Set 4 20mA loop On your oxygen monitor use the joystick to select Set 4mA Zero T...

Page 55: ...ment procedure again for the remote display to mirror the oxygen monitor NEVER PUSH THE SPAN in the measuring mode How to set the internal alarms on the Remote Display The Remote Display has two user...

Page 56: ...n and Strobe to the O2 monitor This drawing shows how to connect a remote Horn and strobe to Concoa s Oxygen monitor with the Alarm relay 1 set to a Normally Open position Note Federal Signal Horn Str...

Page 57: ...nal relay using internal 24 VDC power supply CAUTION CONCOA Monitoring Systems does not recommend using 120VAC or higher voltage inside the monitor Use 24 VAC or 24 VDC if possible 24 VDC To external...

Page 58: ...57 Concoa O2 Monitor 4 20mA output User PLC input Attach 250 ohm resistor to the PLC or device input How to convert 4 20mA current output to a 1 5 VDC voltage output...

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Page 60: ...ted to repairing using new or reconditioned parts or replacing free of charge except for labor if permanently installed for the continuous supply of gas by other than a technician certified by CONTROL...

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