Macurco™ CM-12 Carbon Monoxide Detector, Controller and
Contents
1. e Low level meter capable of displaying from 0 200 ppm of CO The CM 12 meets the Uniform Building Code for enclosed garages and meets OSHA standards for CO exposure Selectable fan and alarm relay activation 5 A SPDT fan relay controls starters of exhaust fans 0 5 A N O or N C alarm relay connects to warning devices or control panels 4 20 mA Current Loop CM 12 mounts on a standard 4x4 electrical box and becomes cover for the box Supervised system any internal detector problem will cause the fan amp Alarm relay to activate Calibration kit is available One screw allows access for calibration or gas test Specifications Power 100 240VAC 50 TO 60 HZ Current 1 0 A MAX Shipping Weight 1 pound 0 45 kg Size 4 1 2 x 4x2 1 8 11 4 X 11 4 X 5 3 cm Color Dark gray Connections plugs terminals Mounting box not included 4x4 electric Fan relay 5 A 240 VAC pilot duty SPDT latching or non latching Fan relay actuation selectable at diS disable 15 ppm 25 ppm 35 ppm default 50 ppm or 100 ppm CO Fan Delay Settings of 0 1 3 default 5 and 10 minutes Fan Minimum Runtime settings are 0 default 3 5 10 or 15 minutes Fan relay latching not latching default selectable Alarm relay 0 5A 120 V 60 VA Alarm relay actuation selectable N O default or N C Alarm relay settings diS 50 ppm 100 ppm 150 ppm and 200 ppm default Current Loop 4 20 mA for 0 200 ppm CO2. b Unit needs to c d Detector has be re calibrated go through recalibration and re test Detector is in need of servicing return unit to factory for servicing fan relay set to disable OFF or 100ppm Set fan relay to 25ppm and repeat the test Remove the gas from the sensor Proceed to Test the Alarm relay or replace the top cover ion to activate the Alarm relay depends on the setting Connect the 200ppm cylinder of carbon monoxide to the regulator Check the pressure gauge If there is 25psi or less the cylinder should be replaced Place the Test Hood over the CO sensor Turn on the regulator to start the gas flow The Fan relay should activate according to the settings With the display function turned On and the CO concentration reaching the Alarm Relay setting 200 ppm for example the display will flash back and forth between ALr and 200 The buzzer will sound indicating Alarm if the buzzer is turned On With the display function turned off the display does not show the CO concentration but will show ALr when the Alarm relay is activated Note If the Alarm relay fails to operate within 2 minutes there are four possibilities a Gas cylinder is empty check the pressure gauge Replace the gas cylinder if 25 psi or less b Unit needs to be re calibrated go through recalibration and re test Detector is need of servicing return unit to factory for servicing d Detector has Alarm r
3. solid and push Enter again to return to in the con menu Push Next until End is displayed then push Enter to get back to normal operation 1 Selecting Power Up Test Option PUt To select the Power Up Test Configuration in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu Then push the Next button to get to the second selection or Power Up Test setting Push Enter If the testis On push Next to turn it OFF flashing then push Enter to confirm the change solid and push Enter again to return to in the Con menu Push Next until End is displayed then push Enter to get back to normal operation Selecting Display Option dSP To select the Display Configuration in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu Then push the Next button to get to the third selection dSP or Display setting Push Enter If the display is On push Next to turn it OFF flashing then push Enter to confirm the change solid and push Enter again to return to dSP in the Con menu Push Next until End is displayed then push Enter to get back to normal operation Selecting Buzzer Option bUZ To select the Buzzer Configuration in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con
4. above 125 F 18 C or above 52 C Using the detector outside of this emperature range may adversely affect product performance and result in sickness or death the presence and concentration level of a certain specified airborne gas Misuse may produce an ns that higher levels of the gas being monitored may be present and could result in overexposure For proper use see supervisor or User Instructions or call Technical Service at 1 877 367 7891 High voltage terminals 100 240VAC are located within this detector presenting a hazard to service technicians Only qualified echnicians should open the detector case and service the internal circuits Ensure power is removed from the detector prior to servicing the unit Failure to do so may result in sickness or death tempt to repair or modify any component of this instrument This instrument contains no user serviceable parts and substitution of components may impair product performance and result in sickness or death Using a certified gas with a concentration other than the one listed for this detector when conducting a calibration or calibration produce inaccurate readings This means that higher levels of the gas being monitored may be present and could result in overexposure and cause sickness or death For proper use see supervisor or User Instructions or call Technical Service at 1 877 367 7891 The following steps must be performed when conducting a calibration or calibration verif
5. for monitoring the gas which the sensor and instrument are designed to monitor Failure to do so may result in exposures to gases not detectable and cause sickness or death For proper use see supervisor or User Instructions or call Technical Service at 1 877 367 7891 Do Not Use For The CM 12 is not intended for use in hazardous locations or industrial applications such as refineries chemical plants etc Do not mount the CM 12 where the normal ambient temperature is below 0 F or exceeds 125 F 18 C or above 52 C The CM 12 mounts on a type 4S electrical box supplied by the contractor Do not install the CM 12 inside another box unless it has good air flow through it WARNING This equipment may not function effectively below 0 F or above 125 F 18 C or above 52 C Using the detector outside of this temperature range may adversely affect product performance and result in sickness or death General Description The CM 12 is a line voltage dual relay Carbon Monoxide CO detector and automatic ventilation controller The CM 12 uses a microcomputer controlled electronic system to measure the concentration of CO actuate relays and provide a 4 20 mA output The CM 12 has a low maintenance long life 7 years electrochemical sensor and optional gas test and calibration kits The CM 12 is a low level meter capable of displaying from 0 200 ppm of carbon monoxide Features ETL Listed to UL 61010 1 and CAN CSA C22 2 No 61010 1
6. long life electrochemical sensor that has a 7 year life expectancy in normal conditions All maintenance and repair of products manufactured by Macurco are to be performed at the appropriate Macurco manufacturing facility Macurco does not sanction any third party repair facilities End of life Signal The CM 12 has a long life non replaceable electrochemical sensor Seven 7 years after the CM 12 is installed the sensor end of life signal will be activated indicating that the CM 12 has reached the end of its typical usable life The end of life signal will cause an error code t200 Sensor expired See Error Codes section The end of life signal can be silenced for 48 hours by pressing the ENTER TEST button or by temporarily dropping power to the unit The end of life signal provides the user an opportunity to test and or calibrate the sensor assuring that it is still performing within acceptable parameters though the sensor is nearing the end of its expected life The silence function will continue to be available for 29 days after the CM 12 initiates the initial end of life signal After this 29 day period the CM 12 can no longer be silenced and the sensor must be calibrated and the sensor life reset or the CM 12 detector replaced 14 Sensor Life Reset a m Remove the Philips screw on the front of the CM 12 Pull the fron To reset the sensor life rSt from normal or warm up mode pres Then press the Enter button to get to rS
7. menu The forth selection is the 02 or Buzzer setting Push Next twice to get to bUZ then Enter If he display is On push Next to turn it OFF flashing then push Enter to confirm the change solid and push Enter again to return to bUZ in the Con menu Push Next until End is displayed then push Enter to get back to normal operation Selecting Alarm Relay Setting Ars select the Alarm Relay Setting in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu The fifth selection is the ArS or Alarm Relay Setting Push Next three times to get to ArS then Enter If the display is OFF disabled push Next to change it to 50 100 150 or 200 ppm flashing then push Enter to confirm the change solid and push Enter again to return to ArS in the Con menu Push Next until End is displayed then push Enter to get back 0 normal operation Selecting Alarm Relay Configuration Arc To select the Alarm Relay Configuration in normal mode push the Next button to get to Con or the Configuration menu Then push he Enter button to enter the Con menu The sixth selection is the Arc or Alarm Relay Configuration Push Next four times to get to Arc then Enter If the relay is nO normally open push Next to turn it to nC flashing then push Enter to confirm the change solid and push Enter again to return to Arc in t
8. selectable to off or on default Buzzer 85 dBA at 10cm settable to off default or on Digital display 3 digit LED selectable to off default or on Operating Environment 0 F to 125 F 18 C to 52 C 10 to 90 RH Operating altitude Up to 5 000m 16 404ft INSTALLATION AND OPERATING INSTRUCTIONS The following instructions are intended to serve as a guideline for the use of the Macurco CM 12 Carbon Monoxide Detector It is not to be considered all inclusive nor is it intended to replace the policy and procedures for each facility If you have any doubts about the applicability of the equipment to your situation consult an industrial hygienist or call Technical Service at 1 877 367 7891 A WARNING This detector helps monitor for the presence and concentration level of a certain specified airborne gas Misuse may produce an inaccurate reading which means that higher levels of the gas being monitored may be present and could result in overexposure and cause sickness or death For proper use see supervisor or User Instructions or call Technical Service at 1 877 367 7891 Location A CM 12 is normally mounted at breathing level about 5 feet 1 5 meters above the floor on a wall or column in a central area where air movement is generally good The unit on average can cover about 5 000 sq ft 465 sq meters The coverage depends on air movement within the room or facility Extra detectors may be needed near any areas where peop
9. that the disable fan setting will cause the fan relay to not engage The fan relay will engage in trouble fault condition if the Trouble Fan Setting Option is set to ON and will disengage once trouble fault condition is cleared 7 The Current Loop is 4 mA in clean air and 4 20 mA for 0 200ppm CO 4 9 14 20 Output in mA Rear view with connectors TYPICAL CONNECTION OF CM 12 Exhaust Fan 88 POWER 100 240VAC MAIN FAN POWER TYPICAL COVERAGE 5 000 SQUARE FEET Typical multiple CM 12 installation 1 In this configuration the Fan or primary relay is used as a low level alarm relay The Alarm or secondary relay is used as supervisory relay when used in the normally closed option 2 The CM 12 monitors all critical functions of the unit through software diagnostics that continuously test nd verify unt operations If a problem is found the unit will switch to fail safelerror mode or trouble condition in this error mode the Fan and Alarm relays be activated indicating a trouble condition at the panel and te CM 12 display will Flash the error Typical connection to the Macurco DVP 120 Detection and ventilation Control Panel Power Up The CM 12 cycles through an internal self test cycle for the first minute that it is powered The unit will execute the test cycle any time power is dropped and reapplied i e power fai
10. the next 1 minute of the test so if the fan circuits are wired in the should run hen ramp up from 4 to 16 mA over the next 130 seconds of the test so if the circuit is wired in the normal manner the control panel or building automation system should respond f At the end of the test cy cle the light will turn green and be on steady Normal Operation the fan amp alarm relay will be in standby mode and the 4 20 mA output will return to 4 mA in clean air 8 When testing is completed reassemble tl Manual Operation Test he unit or units This option gives the user the opportunity to manually initiate an individual test for each relay the analog output and the sensor response to gas From normal operation mode press the to get into the Test Menu Press the Next button to scroll Next button 3 times to get to the Test Mode tSt Press the Enter button once through the four test options and press Enter to initiate the selected test Note that if the relay or 4 20 mA output has been disabled the test selection will not be displayed in the test menu Art Alarm Relay Test 10 seconds Frt Fan Relay Test 60 seconds 42t 420 loop test 25 seconds gtS Gas Test 3 minutes no output to the panel during the gas test The display will flash during the test or in the case of the gas test the gas level will alternate with gtS Once the test is complete the display will return to steady display To exit the test men
11. 15 display the error code the green status indicator LED light will flash and the buzzer will chirp intermittently The Fan relay will also engage if the Trouble Fan Setting Option is set to ON Operation Test Check that the green CM 12 status indicator LED light is illuminated continuously If not do not proceed with the tests If the unit is in error mode contact your local representative or Macurco technical service representative for information on resolving the problem 1 Remove the single screw in the middle of the front cover of the CM 12 Remove the front cover Observe the LED light on the front of the If the light is solid green proceed to step Locate the switch labeled ENTER TEST MD m Res a The display progresses 42t 4 20 mA output tesi The CM 12 will step through a cycle test CM 12 6 If the green status indicator LED light is off or flashing refer to the General section above on the left side of the printed circuit board Press the Test switch once hrough the BUZ Buzzer Test Art alarm relay test Frt fan relay test then Make sure that the settings are on or not disabled diS b During the first 10 seconds of the test cycle the display will show BUZ and set off the audible buzzer The alarm relay will closed so any devices connected to that relay will be tested d The Fan relay will be ac normal manner the fan The 4 20mA output will ivated for
12. GAS __ DETECTION lo 6 Macurco 12 Carbon Monoxide Detector Controller and Transducer User Instructions Important Keep these User Instructions for reference TABLE OF CONTENTS GENERAL SAFETY INFORMATION Intended Use List of Warnings and Cautions USE INSTRUCTIONS AND LIMITATIONS Use For Do Not Use For General Description Features Specifications INSTALLATION AND OPERATING INSTRUCTIONS Location Connections Installation 4 20 mA Output diagram Rear View Image Alarm Control Panel diagram Multiple Device diagram Alternate Alarm Panel diagram DVP 120 Control Panel diagram Power Up Operation Default Factory Settings Display setting Buzzer setting Alarm Relay setting Alarm Relay Configuration Fan Relay setting Fan Relay Delay setting Fan Minimum Runtime setting Fan Relay Latching setting Trouble Fan Setting 4 20mA Output setting On Board Diagnostics Sensor Poisons MAINTENANCE End of Life Signal Sensor Life Reset Cleaning Testing Operation Test Manual Operation Test Carbon Monoxide Gas Test Aerosol Carbon Monoxide Test Field Calibration Procedure MACURCO GAS DETECTION PRODUCTS WARRANTY XO 4 C1 C1 4 amp amp RWW GENERAL SAFETY INFORMATION Intended Use The Macurco CM 12 is a line voltage dual relay Carbon Monoxide CO detector controller and transducer The CM 12 utilizes an internal switching power supply that is capable of using line vo
13. elay set to disable OFF Set Alarm relay to 100 ppm and repeat the test 6 Remove the gas from the sensor after Test Proceed to Test the 4 20mA output or replace the top cover 18 Testing the 4 20mA current loop gt 7 Aerosol Carbon Monoxide Test Connect the 200 ppm cylinder of carbon monoxide to the regulator Check the pressure gauge If there is 25 psi or less the cylinder should be replaced Place the cap from the regulator over the CO sensor Turn on the regulator to start the gas flow The Fan relay should activate according to the settings The Alarm relay should activate according to the settings The 4 20 mA output should ramp up from 4mA in clean air to 20mA at 200 ppm See 4 20 mA diagram on page 6 Note If the 4 20mA output does not ramp up within 2 minutes there are four possibilities Gas cylinder is empty check the pressure gauge Replace the gas cylinder if 25 psi or less b Unit needs to be re calibrated go through recalibration and re test Detector is in need of servicing return unit to factory for servicing d Detector has 4 20 mA option set to OFF Set 4 20mA option to On and repeat the test Remove the gas from the sensor Re assemble the CM 12 make sure the LED is aligned with the front case hole You are done The CME1 FTG is an 11L 500 ppm Aerosol Carbon Monoxide Field Test Gas that can be used with the CM 12 This field test gas allows installers to do a qu
14. er and regulator 11 Re assemble the CM 12 make sure the LED is aligned with the front case hole You are done 12 See Calibration Flowchart on the inside of the housing MACURCO FIXED GAS DETECTION PRODUCTS LIMITED WARRANTY Macurco warrants the CM 12 gas detector will be free from defective materials and workmanship for a period of two 2 years from date of manufacture indicated on the inside cover of the CM 12 provided it is maintained and used in accordance with Macurco instructions and or recommendations If any component becomes defective during the warranty period it will be replaced or repaired free of charge if the unit is returned in accordance with the instructions below This warranty does not apply to units that have been altered or had repair attempted or that have been subjected to abuse accidental or otherwise The above warranty is in lieu of all other express warranties obligations or liabilities THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE ARE LIMITED TO A PERIOD OF TWO 2 YEARS FROM THE PURCHASE DATE Macurco shall not be liable for any incidental or consequential damages for breach of this or any other warranty express or implied arising out of or related to the use of said gas detector Manufacturer or its agent s liability shall be limited to replacement or repair as set forth above Buyer s sole and exclusive remedies are return of the goods and repayment of the price or repair a
15. er should be replaced when the pressure gauge on the regulator shows 25 psi or less Note For optimum test results it is suggested that the unit be in clean air green light on and be in a low ambient air flow 17 Gas Testing Testing the Fan Relay gt em 7 Testing the Alarm Relay Note The CO concentra Remove the Philips screw the front of the CM 12 Remove the front cover Open the FCK Connect the 50 ppm gas cylinder to the regulator Check the pressure gauge on the regulator If you have 25 psi or less you will need to replace the gas canister Assemble regulator hose and Note The time to activate the Test Hood and place the Test Hood over the CO sensor Fan relay depends on the delay setting Turn on the regulator to start the gas flow and wait with the gas applied continuously With the display function turne CO concentration reaches the 35 With the display function fan relay is activated Note If the Fan relay does d On the CM 12 will show the current concentration of CO or 0 zero in clean air When the Fan Relay setting 35 ppm for example the display will flash back and forth between FAn and turned Off the display does not show the CO concentration but will show as long as the close within 2 minutes there are four possibilities Gas cylinder is empty check the pressure gauge Replace the gas cylinder if 25psi or less a
16. he Con menu Push Next until End is displayed then push Enter to get back to normal operation Selecting Fan Relay Settings FrS To select the Fan Relay setting in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu The seventh selection is the FrS or Fan Relay setting Push Next five times to get to FrS then Enter If the fan relay is OFF disabled push Next to change it to 15 25 35 50 or 100 ppm flashing then push Enter to confirm the change solid and push Enter again to return to run in the Con menu Push Next until End is displayed then push Enter to get back to normal operation Selecting Fan Relay Delay To select the Fan Relay Delay setting in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu The eighth selection is the FrD or Fan Relay Delay Push Next six times to get to FrD then Enter If the delay is OFF disabled push Next to change it to 1 3 5 or 10 minutes flashing then push Enter to confirm the change 12 solid and push Enter again to return to FrD in the Con menu Push Next until End is displayed then push Enter to get back to normal operation Selecting Fan Relay Runtime To select the Fan Minimum Runtime setting in normal mode push the Next button to get to Con o
17. ication test bump test to ensure proper performance of the monitor Fail ure to do so may adversely affect product performance and result in sickness or death e When performing a calibration or calibration verification test bump test only use certified calibration gas at the required concentra ion level Do not calibrate with expired calibration gas e If the instrument cannot be calibrated do not use until the reason can be determined and corrected e cover or obstruct display or visual alarm cover e Ensure sensor inlet s are unobstructed and is free of debris 3 USE INSTRUCTIONS AND LIMITATIONS AN WARNING Each person using this equipment must read and understand the information in these User Instructions before use Use of this equipment by untrained or unqualified persons or use that is not in accordance with these User Instructions may adversely affect product performance and result in sickness or death Use For The CM 12 provides CO detection and automatic exhaust fan control for automotive maintenance facilities enclosed parking garages utility rooms warehouses and other commercial applications The CM 12 meets the requirements of the Uniform Building Code for enclosed garages and meets OSHA standards for CO exposure CM 12 can be used stand alone with the Macurco DVP 120 Detection and Ventilation Control Panel other fire security panels or building automation systems WARNING Use only
18. ick functionality test of the CO sensor The flow rate of the CME1 FTG is 10 Lpm so you will have about a minute of gas or enough to test 20 30 sensors 1 2 3 7 Units to be tested must be powered continuously for a minimum of 3 minutes before proceeding For optimum test results the unit should be in clean air and be in a low ambient air flow Check that the CM 12 status indicator light is illuminated Green continuously If not do not proceed with tests See CM 12 Onboard Diagnostics section The display option should be set to On and reading 0 ppm in clean air With the CM 12 cover on aim the nozzle of the aerosol can into the sensor grate area under DO NOT PAINT and press for 2 to 3 seconds Wait for a few seconds The digital display should climb indicating the increased CO concentration at the sensor confirming a pass of the quick test Note If the Display does not change within 10 seconds there are four possibilities a Gas cylinder is empty replace the gas cylinder b Unit needs to be re calibrated go through the Field Calibration Procedure and re test Detector is in need of servicing return unit to factory for servicing Wait for the display to return to 0 ppm and configure options to desired settings FIELD CALIBRATION PROCEDURE Note For optimum calibration results the unit should be in clean air and be in a low ambient air flow 1 Remove the Philips screw on the front of the CM 12 Pull the fron
19. ignal will ramp up corresponding to the concentration 0 200 ppm for example The display will show FAn and and sound as outlined above 10 Default Configuration Factory Settings 2 he de he de he de he de he de he de he de he de he de he de E he de iau iau iau iau iau iau iau iau iau iau iau Power Up Test setting is On Display setting is Off Buzzer setting is Off Alarm Relay Setting is activation at 200 ppm Alarm Relay Configuration setting is Normally Open Fan Relay Setting is activation at 35 ppm Fan Relay Delay setting is 3 minutes Fan Relay Runtime setting is 0 Fan Relay Latching condition is OFF Trouble Fan Setting condition is OFF 4 20mA Output setting is On To change settings remove the Philips screw on the front of the CM 12 Pull off the front cover of the unit MACURCO CM 12 COSENSOR Selecting Default Configuration dEF To select the Default Configuration in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu The first selection is the dEF or Default setting Push Enter If it is already in Default configuration there will be no action If it is not already in Default configuration nO will be displayed Push Nextto change it to YES flashing then push Enter to confirm the change
20. it This will cause the unit to restart the 1 minute self test cycle The 4 20 mA signal can be used for troubleshooting 0 mA is most likely a connection problem 4 20 mA is normal gas reading range 0 200 ppm 24 mA indicates a Trouble condition Error Codes 01 Sensor is missing 02 Temperature compensation failed 04 Bad EEPROM checksum 08 Sensor is shorted 10 Bad EEPROM 20 Bad calibration 40 Factory calibration was not done 80 ADC reading failed 100 Under range sensor 200 Sensor expired NOTE For trouble codes over 080 the display will alternate between t 1 and t00 for t100 and between t 2 and t00 for t200 If the error mode repeats frequently check for continuous power and proper voltage If power is not the problem and a unit has repeating error conditions it may need to be returned to Macurco for service per these User Instructions If the error mode indicates Sensor expired see the Sensor Life Reset section of these User Instructions Sensor Poisons The gas sensor in the detector is designed with extreme sensitivity to the environment As a result the sensing function may be deteriorated if it is exposed to contaminants a direct spray from aerosols such as paints silicone vapors etc or to a high density of corrosive gases such as hydrogen sulfide sulfur dioxide for an extended period of time MAINTENANCE The CM 12 does not require regular maintenance The unit uses a
21. lashing then push Enter to confirm the change solid and push Enter again to return to tFS in the Con menu Push Next until End is displayed then push Enter to get back to normal operation Selecting 4 20mA Output Option 420 To select the 4 20mA Output Option in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu The twelfth selection is the 420 or 4 20mA Output Option Push Next eleven times to get to 420 then Enter If the 4 20mA is On push Next to turn it to OFF flashing then push Enter to confirm the change solid and push Enter again to return to 420 in the Con menu Push Next until End is displayed then push Enter to get back to normal operation Onboard Diagnostics The CM 12 monitors all critical functions of the unit through software diagnostics that continuously test and verify unit operations If a problem is found the unit will switch to a fail safe error mode or trouble condition In this error mode the Alarm relay will be activated the 4 20 mA current loop will go to 24 mA the unit will display the error code the green status indicator LED light will flash and the buzzer will chirp intermittently The Fan relay will also engage if the Trouble Fan Setting Option is set to ON This is a safety precaution To clear this mode simply turn off power to the unit for a few seconds or push the ENTER TEST switch inside the un
22. le work or where the air is stagnant Do NOT mount the CM 12 where the normal ambient temperature is below below 0 F or exceeds 125 F below 18 C or above 52 C WARNING High voltage terminals 100 240VAC are located within this detector presenting a hazard to service technicians Only qualified technicians should open the detector case and service the internal circuits Ensure power is removed from the detector prior to servicing the unit Failure to do so may result in sickness or death General Wiring Information With the exception of the safety ground all field wiring is completed via modular connectors provided After wiring simply plug the modular connectors into the matching connectors on the back side of the detector Mains Power Connection Mains connections should be done in accordance with National and Local Electrical Codes Only qualified personnel should connect Mains power to any device Macurco recommends a minimum wire size of AWG18 and the wire insulator must be rated for 140 F 60 C service The modular connector will accept wire from 12 to 24 AWG E he safety ground wire should be secured to the ground screw of the metal electrical box Tighten the screw and make sure the wire is nug Ensure that the wire cannot be pulled out from under the screw o he Line L and Neutral N wires should be stripped 1 4 in 6 5 mm insert the wire into the L and N wire positions of the modular an P
23. ltage between 100 and 240VAC and 50 60Hz The CM 12 has selectable 4 20 mA output buzzer and digital display options It is an electronic detection system used to measure the concentration of Carbon Monoxide and provide feedback and automatic exhaust fan control to help reduce CO concentrations in parking garages maintenance facilities or other commercial applications The CM 12 is a low level meter capable of displaying from 0 200 ppm parts per million of Carbon monoxide The CM 12 is factory calibrated and 100 tested for proper operation but can also be calibrated in the field List of Warnings and Cautions within these User Instructions Each person using this equipment must read and understand the information in these User Instructions before use Use of this equipment by untrained or unqualified persons or use that is not in accordance with these User Instructions may adversely affect product performance and result in sickness or death Use only for monitoring the gas which the sensor and instrument are designed to monitor Failure to do so may result in exposures Service at 1 877 367 7891 his detector helps monitor for inaccurate reading which and cause sickness or death Do not disassemble unit or a verification test bump test wil gases not detectable and cause sickness or death For proper use see supervisor or User Instructions or call Technical his equipment may not function effectively below 0 F or
24. lure During the self test cycle the unit will display the firmware version number then count down from 60 to 0 if the display setting is On and finally go into normal operation The alarm relay will be activated for 10 seconds and the fan relay for 60 seconds during the power up cycle unless the Power Up Test PUt option is OFF The indicator light LED will flash green during the self test cycle At the end of the 1 minute cycle the unit will take its first sample of the air and the indicator light will turn solid green Operation 1 With the display function turned On the CM 12 will show the current concentration of CO ppm or 0 zero in clean air When the CO concentration reaches the Fan Relay setting 35 ppm for example the display will flash back and forth between FAn and 35 With the display function turned Off the display does not show the CO concentration but will show FAn as long as the fan relay is activated 2 With the display function turned On and the CO concentration reaching the Alarm Relay setting 200 ppm for example the display will flash back and forth between ALr and 200 The buzzer will sound indicating Alarm if the buzzer is turned On With the display function turned off the display does not show the CO concentration but will show ALr when the Alarm relay is activated 3 With the 4 20 mA function turned On and the CO concentration climbing the 4 20 mA s
25. nd replacement of non conforming goods or parts Manufactured by Aerionics Inc Sioux Falls SD Email info aerionicsinc com Phone 1 877 367 7891 Rev 08 19 2014 Aerionics 2014 All rights reserved Macurco is a trademark of Aerionics Inc MaCURCO 20
26. ositive and negative 4 20mA signal connections and are available at the 4 20mA modular connector a 2 position connector To install the wiring for the 4 20 mA contacts disconnect the connector from the header on the detector Strip the insulation of each wire back approximately 1 4 in 6 5 mm insert the bare wire into the terminal and tighten the screw clamp Ensure that the wire cannot easily be pulled from the connector When the wires are connected seat the modular connector into the header ensuring that the latch engages NOTE The 4 20mA current loop outputs may be used with the Macurco DVP 120 control panel or other systems The 4 20mA signal connections to detectors should be size AWG18 minimum for short runs Refer to the table for recommended wire gauges Do not bundle detector 4 20mA signal connections with AC power cables to prevent electrical interference If AC power connections must be bundled with the detector 4 20mA signal cables the signal connections should be made with twisted pair of the appropriate gauge with an overall foil and braid shield All shields should be terminated at the DVP 120 end of the cable only A ground stud is provided near the bottom left corner of the DVP 120 panel Installation T he CM 12 mounts on a 4 square or 4x4 electrical box supplied by the contractor Do not mount the CM 12 inside another box unless it has good air flow through it 2 There are two terminals for the dry alarm relay con
27. ower connector and tighten the screw clamp Ensure that the wire cannot be easily pulled from the connector Plug the modular connection into the Fan Power connection and ensure that it latches into the header properly Fan Relay Connection ma All of the SPDT Fan relay terminals are available at the Fan Power modular connector Each Fan relay terminal normally open common and normally closed NO COM and NC can accommodate a wire size 12 to 24 AWG To install the wiring for the relays disconnect the connector from the header Strip the insulation of each wire back approximately 1 4 in 6 5 mm insert the bare wire into the terminal and tighten the screw clamp Ensure that the wire cannot easily be pulled from the connector Plug the modular connection into the Fan Power connection and ensure that it latches into the header properly Alarm Relay Connection The external alarm connections A and B are available at the Alarm modular connector There is no polarity for these connections To install the wiring for the alarm contacts disconnect the connector from the header on the detector Strip the insulation of each wire back 6 approximately 1 4 in 6 5 mm insert the bare wire into the terminal and tighten the screw clamp Ensure that the wire cannot easily be pulled from the connector When the wires are connected seat the modular connector into the header ensuring that the latch engages 4 20mA Signal Connection The p
28. r the Configuration menu Then push the Enter button to enter the Con menu The ninth selection is the or Fan Minimum Run Time Push Next seven times to get to Frr then Enter If the runtime is OFF disabled push Next to change it to 3 5 10 or 15 minutes flashing then push Enter to confirm the change solid and push Enter again to return to run in the Con menu Push Next until End is displayed then push Enter to get back to normal operation Selecting Fan Relay Latching Option To select the Fan Relay Latching Option in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu The tenth selection is the FrL or Fan Relay Latching Option Push Next nine times to get to FrL then Enter If latching is OFF push Next to turn it to ON flashing then push Enter to confirm the change solid and push Enter again to return to in the Con menu Push Next until End is displayed then push Enter to get back to normal operation Selecting Trouble Fan Setting Option tFS To select the Trouble Fan Setting Option in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu The eleventh selection is the 5 or Trouble Fan Setting Option Push Next ten times to get to FS then Enter If Trouble Fan Setting is OFF push Next to turn it to ON f
29. s Only qualified technicians should open the detector case and service the internal circuits Ensure power is removed from the detector prior to cleaning the unit Failure to do so may result in sickness or death Cleaning Cleaning of the external surfaces is best carried out using a damp cloth with a mild detergent or soap Use a vacuum cleaner with soft brush to remove dust or contamination under the cover Do not blow out the sensor with compressed air TESTING AN WARNING Using a certified gas with a concentration other than the one listed for this detector when conducting a calibration or calibration verification test bump test will produce inaccurate readings This means that higher levels of the gas being monitored may be present and could result in overexposure and cause sickness or death For proper use see supervisor or User Instructions or call Technical Service at 1 877 367 7891 General All CM 12 units are factory calibrated and 100 tested for proper operation During normal operation the green status indicator LED light will be on steady the fan amp alarm relay will be in standby mode and the 4 20 mA output will be at 4mA in clean air The unit also performs a regular automatic self test during normal operation If the unit detects an improper voltage or inoperable component it will default into Error mode In this error mode the Alarm relay will be activated the 4 20 mA current loop will go to 24 mA the unit will
30. t Reset Sensor Mode Press the Enter button again to see the sensor reset status displayed If it has not already been reset no will be displayed confirm the change solid and push Enter again to return to rS cover of the unit off S the Next button four times to get to SEn or Sensor Mode the sensor life has already been reset done will be Push Next to change it to YES flashing then push Enter to in the SEn menu Push Next until End is displayed then push Enter to get back to normal operation The sensor life will be reset for 1 year NOTE If the sensor is reset and the detector not replaced it is necessary to test and or calibrate the sensor to assure that it is still performing within acceptable specifications though the sensor is nearing the end of its expected life There will be no other indication of sensor performance A WARNING Do not disassemble unit or attempt to repair or modify any component of this instrument This instrument contains no user serviceable parts and substitution of components may impair product performance and result in sickness or death CAUTION Avoid the use of harsh cleaning materials abrasives and other organic solvents Such materials may permanently scratch the surfaces and damage the display window labels sensor or instrument housing High voltage terminals 100 240VAC are located within this detector presenting a hazard to service technician
31. t cover of the unit off 2 Assemble the 200 ppm gas cylinder and regulator together 19 3 Check the pressure gauge on the regulator If you have 25 psi or less you will need to replace the gas canister 4 Place the test Hood from the regulator over the CO sensor 5 Push Next 3 times to get to the CAL menu then push Enter The display will flash back and forth between GAS and 200 6 Start applying gas to the CO sensor Note The sensor will look for the gas for 45 seconds If no gas is applied or detected in that time the display will return to CAL 7 When the sensor detects the gas the display will flash back and forth between the CO concentration and SPn then the calibration will progress and the display will show the gas level for a maximum of 165 seconds 8 When the calibration is successful the display will flash back and forth between CO concentration and PAS then the display will show the calibration gas level and the calibration is done 9 If the calibration fails the display will flash back and forth between the CO concentration and FAL fail If this occurs check the pressure gauge on the regulator If the pressure is less than 25 psi the flow of gas may not be adequate to properly calibrate the unit If there is proper pressure in the cylinder repeat steps 4 through 6 If the unit fails to calibrate twice contact Technical Assistance 1 877 367 7891 10 Once the calibration has passed remove gas and disassemble the cylind
32. tacts again with no polarity preference The alarm relay can switch up to 0 5 A 120 V or 60 VA The alarm relay is activated if gas reaches or exceeds the alarm settings See OPERATION section of hese User Instructions for details on relay settings he alarm relay can be configured to normally open default N O or normally closed N C and will activate if the gas oncentration exceeds alarm set point It will deactivate once the gas concentration drops below the alarm set point Note that he disable setting will cause the alarm relay not to engage at all 4 The dry contact SPDT fan relay has three terminals The common COM normally open N O and the normally closed N C contact The fan relay can switch up to 5 0 A up to 240 VAC See OPERATION section of these User Instructions for details on relay settings 5 The Fan Relay can be configured for latching or non latching default when activated when the gas concentration exceeds fan relay set point Once latched in power will need to be interrupted or the TEST button pressed to un latch the relay condition 6 The Fan Relay will engage if the fan setting Carbon Monoxide concentration is exceeded for longer than the Fan Relay Delay time Unless it is configured for latching the fan relay will disengage once both of these conditions have been met wo 223 Carbon Monoxide concentration has dropped below fan setting Fan Relay Run time has been exceeded Note
33. u press the Next button until End is displayed then press Enter to return to normal mode 16 Carbon Monoxide Gas Test WARNING The following steps must be performed when conducting a calibration or calibration verification test bump test to ensure proper performance of the monitor Failure to do so may adversely affect product performance and result in sickness or death When performing calibration or calibration verification test bump test only use certified calibration gas at the required concentration level Do not calibrate with expired calibration gas If the instrument cannot be calibrated do not use until the reason can be determined and corrected Do not cover or obstruct display or visual alarm cover Ensure sensor inlets are unobstructed and is free of debris General A Field Calibration Kit CM6 FCK is needed to complete a CO gas test These are available through your local representative or from Macurco Contents of the FCK CM6 FCK 2 Gas Oylinders 1 17L 50ppm carbon monoxide CO in air and 1 17L 200 ppm carbon monoxide CO in air Gas regulator with about two feet of plastic tubing Humidifier CM 6 CH calibration hood FCK Information Several detectors can be calibrated with one FCK The only limitation is the amount of gas in the cylinder The 17 liter cylinder has approximately 85 minutes of continuous calibration run time Replacement cylinders are available The gas cylind
Download Pdf Manuals
Related Search