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The rules should oblige the seller to give the purchaser an operating instrucion of 3M GD-6, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of 3M GD-6 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of 3M GD-6. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of 3M GD-6 should contain:
- informations concerning technical data of 3M GD-6
- name of the manufacturer and a year of construction of the 3M GD-6 item
- rules of operation, control and maintenance of the 3M GD-6 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of 3M GD-6 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of 3M GD-6, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the 3M service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of 3M GD-6.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the 3M GD-6 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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3 Macurco ™ Combustible Gas Detector , Controller and T ransducer User Instructions IMPORT ANT : Keep these User Instructions for reference. GD-6[...]
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1 T ABLE OF CONTENTS GENERAL SAFETY INFORMA TION ................................................................................................................ 2 Intended Use .......................................................................................................................................... 2 List of W arnings and Cautions .[...]
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2 3 W WARNING GENERAL SAFETY INFORMA TION Intended Use The 3M™ Macurco™ GD-6 Combustible Gas Detector , Controller and T ransducer 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 combustible gas and provide feedback and automatic[...]
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4 5 Ifyouhaveanydoubtsabouttheapplicabilityoftheequipmenttoyourjobsitua tion, consultanIndustrialHygienistorcall3M Macurco T echnical Ser vice at 1-800-243-4630. In Canada, call 1-800-267-4414. General Information The 3M™ Macurco™ GD-6 Combustible Gas Detector helps combustible g[...]
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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 because of possible interference’s from oth[...]
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8 9 T ypical Multiple 3M™ Macurco™ GD-6 Combustible Gas Detector Installation INSTALLA TION 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 the ceiling. If the gas used is propane[...]
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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 Gnd Panel Power 120/250VAC 3M™ MACURCO™ DET[...]
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12 13 T o 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 T o select the Gas Option , in normal mode, press the Next button once to display the current gas selection ( mE is Methane, Pro is Propane and Hy is Hydrogen) . Then press the [...]
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14 15 Selecting Fan Minimum Run Time – “Frr” T o select the Fan Minimum Runtime setting, in normal mode, press the Ne xt 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 times to get to “Frr” then p[...]
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16 17 Operation T est 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. If the light is off or flashing Gree[...]
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18 19 Gas T esting T esting 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 regulator . Ensure that the gas used for calibrati[...]
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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 if 25psi or less. b. Unit needs to be re-calibra[...]
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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, the display will return to CAL. 9. When the sensor [...]
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3M Occupational Health and Environmental Safety Division 3M Center , Building 0235-02-W-70 St. P aul, 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[...]
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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 its correctness.[...]