3M MACURCO GD-6 User Instructions Download | Manualshive

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3

Macurco

™

Combustible Gas Detector, Controller and Transducer

User Instructions

IMporTanT:

Keep these

User Instructions

for reference.

GD-6

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Summary of Contents for MACURCO GD-6

Page 1: ...3 Macurco Combustible Gas Detector Controller and Transducer User Instructions Important Keep these User Instructions for reference GD 6 ...

Page 2: ...am 9 DVP 120 Control Panel diagram 10 Power Up 11 Operation 11 Default Factory Settings 11 Gas Selection 12 Display setting 13 Buzzer setting 13 Alarm Relay setting 13 Alarm Relay Configuration 13 Fan Relay setting 13 Fan Relay Delay setting 13 Fan Minimum Runtime setting 14 4 20mA Output setting 14 On Board Diagnostics 14 Sensor Poisons 14 MAINTENANCE 15 Cleaning 15 Testing 15 Operation Test 16 M...

Page 3: ...s 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 User Instructions or call 3M in U S A 1 800 243 4630 In Canada call Technical Service at 1 800 267 4414 The following steps must be performed when conducting a calibration or calibration verification test bump test to ensure proper performance of...

Page 4: ...urco GD 6 Combustible Gas Detector is a low level meter capable of displaying from 0 50 LEL EX Selectable fan and alarm relay activation 5A SPDT fan relay controls starters of exhaust fans 0 5A N O or N C alarm relay connects to warning devices or control panels 4 20mA current loop The 3M Macurco GD 6 Combustible Gas Detector mounts on a standard 4x4 electrical box and becomes cover for the box Su...

Page 5: ... LEL It will deactivate once the gas concentration drops below the alarm set point Note that the disable setting will cause the alarm relay not to engage at all 7 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 0A up to 240VAC see OPERATION section of these User Instructions for details on rela...

Page 6: ...e air flow throughout the building 5 3M Macurco GD 6 Combustible Gas Detector fan relays are dry contact can switch up to 240V 6 Several fan relays starters may be used Match the relays to the fan size Typical Connection to Alarm Control Panel 1 3M Macurco GD 6 Combustible Gas Detector can be used with 12VDC or 24VDC N O fire panels 2 Alarm panel provides battery backed up power to 3M Macurco GD 6...

Page 7: ...self test cycle the unit will display the firmware version number then count down from 60 to 0 and finally go into normal operation The fan and alarm relay will be activated for 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 ligh...

Page 8: ...n press the Enter button to enter the Con menu The fourth selection is the bUZ or Buzzer setting Press Next three times to get to bUZ then press Enter If the display is On press Next to turn it OFF flashing then press Enter to confirm the change solid and press Enter again to return to bUZ in the Con menu Press Next until End is displayed then press Enter to return to normal operation Selecting Al...

Page 9: ...detector is designed with extreme sensitivity to the environment As a result the sensing function may be deteriorated if it is exposed to 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 W WARNING Do not disassemble unit or attempt to repair or modify any component of this ...

Page 10: ...conds 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 level will alternate with the expected gas mE Pro or Hy Once the test is complete the display will return to steady display To exit the test menu press the Next button until End is displayed then press Enter to return to normal mode W WARNING The followi...

Page 11: ... Note The gas concentration to activate the Alarm relay depends on the setting Connect the 20 LEL cylinder of Combustible Gas to the regulator Ensure that the gas used for calibration matches the gas selected in the 3M Macurco GD 6 Combustible Gas Detector configuration 1 Check the pressure gauge If there is 25psi or less the cylinder should be replaced 2 Place the test hood over the gas sensor Tu...

Page 12: ...ld Calibration Procedure Note For optimum calibration results the unit should be in clean air and be in a low ambient air flow Using a certified gas with a concentration other than the one listed for this instrument and sensor 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 pre...

Page 13: ... 15 See Calibration Flowchart 3M FIXED GAS DETECTION PRODUCTS LIMITED WARRANTY 3M warrants the GD 6 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 GD 6 provided it is maintained and used in accordance with 3M instructions and or recommendations If any component becomes defective during the...

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Page 15: ...and Environmental Safety Division 3M Center Building 0235 02 W 70 St Paul MN 55144 1000 Printed in U S A 3M 2008 2011 All rights reserved 3M and Macurco are trademarks of 3M Company used under license in Canada 34 8707 5862 9 ...

Page 16: ... 34870758629 indd Structure SS 41964 Date 6 17 11 Printed Colors Front Printed Colors Back Match Colors This artwork has been created as requested by 3M 3M is responsible for the artwork AS APPROVED and assumes full responsibility for its correctness ...

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