Macurco CD-6H, User Instructions

Page 1: ...Macurco CD 6H CD 6MC Carbon Dioxide Detector Controller and Transducer User Instructions IMPORTANT Keep these User Instructions for reference ...

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Page 3: ...rS 14 3 5 8 Selecting Fan Relay Delay Frd 14 3 5 9 Selecting Fan Relay Minimum Runtime Frr 14 3 5 10 Selecting Fan Relay Latching Option FrL 15 3 5 11 Selecting Trouble Fan Setting Option tFS 15 3 5 12 Selecting 4 20mA Output Option 420 15 3 6 Onboard Diagnostics 15 3 6 1 The 4 20 mA signal can be used for troubleshooting 15 3 6 2 Error Codes 15 4 Maintenance 16 4 1 End of life Signal 16 4 2 Clean...

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Page 5: ... temperature range may adversely affect product performance and result in serious injury or death 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 serious injury or death For proper use s...

Page 6: ... basis The CD 6H will maintain accuracy if it is exposed to the clean air reference value this reference value is the lowest concentration to which the sensor is exposed at least once per week The CD 6MC does not perform automated background calibrations and it is suggested to perform a Manual Calibration on the unit no less than once per year using the Macurco CD6 FCK calibration kit Note This ap...

Page 7: ...as test CD 6H Only CD 6MC Only 2 5 Specifications Power 3 W max from 12 to 24 VAC or 12 to 32 VDC Current max 24 VDC 126 mA in alarm two relays 108 mA fan relay only and 85 mA standby Shipping Weight 1 pound 0 45 kg Size 4 1 2 x 4 x 2 1 8 in 11 4 X 11 4 X 5 3 cm Color White or dark gray Connections plugs terminals Mounting box not included 4x4 electric Fan relay 5 A 240 VAC pilot duty SPDT latchin...

Page 8: ... is removed from the detector relays prior to servicing the unit Failure to do so may result in serious injury or death 3 2 Installation 1 The CD 6 x mounts on a 4 square or 4x4 electrical box supplied by the contractor Do not mount the CD 6 x inside another box unless it has good air flow through it 2 Connect the CD 6 x to Class 2 power supply only It is suggested to use a dedicated transformer f...

Page 9: ...le 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 10 The Current Loop is 4 mA in clean air and 4 20 mA for 0 5000 ppm CO2 3 2 1 4 20mA graph 3 2 2 Rear view ...

Page 10: ...10 3 2 3 Typical Installation in a room 3 2 4 Use with Alarm Panel ...

Page 11: ...11 3 2 5 Multiple CD 6 Installation 3 2 6 DVP 120 Control Panel Connection ...

Page 12: ...or 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 3 4 Operation 1 With the display function turned On the CD 6 x will show the current concentration of CO2 ppm in the air No...

Page 13: ...e unit 3 5 1 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 displa...

Page 14: ... Enter to get back to normal operation 3 5 6 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 the 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 t...

Page 15: ...ge 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 3 6 Onboard Diagnostics The CD 6 x 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 ...

Page 16: ...bstitution of components may impair intrinsic safety which may adversely affect 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 detec...

Page 17: ...est cycle the light will turn green and be on steady Normal Operation the fan 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 the unit or units 4 3 3 Manual Operation Test This option gives the user the opportunity to manually initiate an individual test for each relay the analog output and the sensor response to ga...

Page 18: ...of continuous test run time Replacement cylinders are available The gas cylinder should be replaced when the pressure gauge on the regulator shows 25 psi or less or has reached its expiration date 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 4 3 7 Gas Testing 4 3 8 Testing the Fan Relay 1 Remove the Philips screw on the...

Page 19: ...to 0 and repeat the test 7 Remove the gas from the sensor Proceed to Test the Alarm relay or replace the top cover 4 3 9 Testing the Alarm Relay Note The CO2 concentration to activate the Alarm relay depends on the setting 1 Connect the 5000 ppm cylinder of carbon dioxide to the regulator 2 Check the pressure gauge on the regulator If you have 25 psi or less you will need to replace the gas canist...

Page 20: ... 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 automated background calibration and re test c 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 7 Remove the gas from the sensor Re assemble the CD x make...

Page 21: ... the calibration is successful the display will flash back and forth between Gas concentration and PAS then the display will show the calibration gas level and the calibration is done 10 If the calibration fails the display will flash back and forth between the gas concentration and FAiL If this occurs check the pressure gauge on the regulator If the pressure is less than 25 psi the flow of gas ma...

Page 22: ...22 5 Appendix A Menu Structure 5 1 Main Menu Normal Mode Con Configuration Mode E T M N tst Test Mode M N M N E T M N E T CAL Calibration CD6MC only bUZ CAL E T Config 1 tst Normal Wait Wait Wait ...

Page 23: ...23 5 2 Auto Test Menu bUZ bUZ bUZ Buzzer test Art Alarm relay test Frt Fan relay test 420 Current loop test Normal M N E T M N Wait E T M N Wait E T M N Wait E T Wait ...

Page 24: ...On oFF _On E T M N Wait E T M N Wait E T M N Wait E T M N M N E T E T Go to current setting ON in this example Wait _On oFF _On oFF _On E T M N Wait E T M N Wait E T M N Wait E T M N M N E T E T Go to current setting ON in this example Wait bUZ Buzzer mode _On oFF _On oFF _On E T M N Wait E T M N Wait E T M N Wait E T M N M N E T E T Go to current setting ON in this example Wait M N Config 2 M N N...

Page 25: ...E T M N M N E T E T Go to current setting 4000 in this example Wait M N _900 1000 _900 1000 E T Wait E T M N Wait M N M N E T E T Wait _diS diS E T M N Wait M N M N E T Wait Wait Wait Config 3 Normal Wait 3900 3900 E T M N Wait M N E T Wait 8 more options 4200 4300 4900 28 more options 1100 1200 3800 ...

Page 26: ...etting 2000 2100 5000 2100 5000 E T M N Wait E T M N Wait E T M N Wait E T M N M N E T E T Go to current setting 2000 in this example Wait M N _600 2000 _600 2000 E T Wait E T M N Wait M N M N E T E T Wait _diS _diS E T M N Wait M N M N E T Wait Wait Wait _700 _700 E T Wait M N M N E T Wait Config 4 Normal Wait Wait 38 more options 2200 2300 4800 4900 12 more options 800 900 1800 1900 ...

Page 27: ...0 __5 __10 E T M N Wait E T M N Wait E T M N Wait E T M N M N E T E T Go to current setting 3 in this example Wait M N _1 _3 __1 __3 E T Wait E T M N Wait M N M N E T E T Wait _0 __0 E T M N Wait M N M N E T Wait Wait Wait Config 5 Normal Wait ...

Page 28: ... N E T E T Wait _10 _10 E T M N Wait M N M N E T Wait Wait Wait FrL Fan relay latch OFF _On OFF _On _OFF E T M N Wait E T M N Wait E T M N Wait E T M N M N E T E T Go to current setting OFF in this example Wait M N tFS Trouble fault setting OFF _On _OFF _On _OFF E T M N Wait E T M N Wait E T M N Wait E T M N M N E T E T Go to current setting OFF in this example Wait M N Config 6 Wait Wait Wait Nor...

Page 29: ...29 Config 6 420 Current loop _On OFF _On _OFF _On E T M N Wait E T M N Wait E T M N Wait E T M N M N E T E T Go to current setting On in this example Wait M N End Normal M N E T Wait Config 1 Wait ...

Page 30: ...20 Current loop test Normal M N E T M N E T M N Wait E T M N Wait E T Wait Wait End E T ___ bUZ Buzzer test ___ Art Alarm relay test ___ Frt Fan relay test ___ 420 Current loop test Wait M N M N E T 120 M N E T 60 M N E T 10 M N E T 10 gSt Gas test E T M N Wait ___ gSt Gas test M N 180 E T ...

Page 31: ...6MC only End 400 ___ Waiting for gas Gas OK within 90 secs GR CAL Gas reading alternates with CAL until stable 165 s Cal OK GR FAil alternate gas reading with FAil GR PAS gas reading alternating with PAS NO YES NO YES E T E T E T M N M N Normal E T ...

Page 32: ...S 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...