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3M MACURCO GD-6 User Instructions

Manual is about: Combustible Gas Detector, Controller and Transducer

Summary of MACURCO GD-6

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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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    1 table of contents general safety information ................................................................................................................2 intended use .................................................................................................................................

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    2 3 w warning general safety information intended use the 3m™ macurco™ gd-6 combustible gas detector, controller and transducer is a low voltage device with selectable 4-20ma output, buzzer and digital display options. It is an electronic detection system used to measure the concentration of combust...

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    4 5 ifyouhaveanydoubtsabouttheapplicabilityoftheequipmenttoyourjobsituation,consultanindustrialhygienistorcall3m macurco technical service at 1-800-243-4630. In canada, call 1-800-267-4414. General information the 3m™ macurco™ gd-6 combustible gas detector helps combustible gas detection and automat...

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    6 7 installation 1. The 3m™ macurco™ gd-6 combustible gas detector mounts on a type 4s electrical box supplied by the contractor. 2. Connect the 3m™ macurco™ gd-6 combustible gas detector to class 2 power supply only. It is suggested to use a separate transformer for powering the unit or units becau...

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    8 9 typical multiple 3m™ macurco™ gd-6 combustible gas detector installation installation notes 1. One sensor per 900 square feet (approximately). 2. If the gas used is natural gas (methane) or hydrogen (h2) mount the 3m™ macurco™ gd-6 combustible gas detector high on a wall about one foot down from...

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    10 11 gd-6 main fan power 120vac alarm 120vac power exhaust fans coil coil power output gd-6 – + power output – + 8 7 6 5 4 4 3 3 2 2 1 1 1 1 3 3 4 5 6 7 8 9 2 24 v ret n.C. N.C. N.C. N.O. N.O. N.O. Com com com -1 loop +1 loop +24 vdc -1 loop +1 loop +24 vdc - strobe + strobe - horn + horn relay 1 g...

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    12 13 to change settings, remove the philips screw on the front of the 3m™ macurco™ gd-6 combustible gas detector. Pull off the front cover of the unit. Gas selection to select the gas option, in normal mode, press the next button once to display the current gas selection (me is methane, pro is prop...

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    14 15 selecting fan minimum run time – “frr” to select the fan minimum runtime setting, in normal mode, press the next button twice to get to “con” or the configuration menu. Then press the enter button to enter the con menu. The ninth selection is the “frr” or fan minimum run time. Press next eight...

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    16 17 operation test 1. Remove the single screw in the middle of the front cover of the 3m™ macurco™ gd-6 combustible gas detector. 2. Remove the front cover. 3. Observe the led light on the front of the 3m™ macurco™ gd-6 combustible gas detector. 4. If the light is solid green proceed to step 6. 5....

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    18 19 gas testing testing the fan relay note: the gas concentration to activate the fan relay depends on the setting. 1. Remove the philips screw on the front of the 3m™ macurco™ gd-6 combustible gas detector. Remove the front cover. 2. Connect the 10% lel cylinder of combustible gas to the regulato...

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    20 21 5. The 4-20ma output should ramp up from 4ma in clean air to 20ma at 50% lel. See 4-20ma diagram in these user instructions. Note: if the 4-20ma output does not ramp up within 2 minutes, consider these possibilities: a. Gas cylinder is empty, check the pressure gauge. Replace the gas cylinder ...

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    22 23 7. Press the enter button and the display will read 10 alternating with the gas, me, pro or hy (blinking), indicating the sensor is looking for gas. 8. Start applying gas to the gas sensor. Note: the sensor will look for the gas for 45 seconds. If no gas is applied or detected in that time, th...

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    24.

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    3m occupational health 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: Printed Colors – Front:

    Requester: farrel allen creator: dezinnia file name: 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 i...