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DMK-1 Installation Guide

REV

–

1.0

[34-2900-0065-9 ]

11

|

P a g e

5

Appendix

DMK-1 Drill Hole Position Template

External Dimensions: 6.299 x 6.299 x 3.543 in.

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Summary of Contents for DMK-1

Page 1: ...IMPORTANT Keep these user instructions for reference Macurco DMK 1 Duct Mount Kit Installation Guide ...

Page 2: ...nings 3 2 Application 4 2 1 Features 4 2 2 Specifications 4 3 Installation Instructions 5 3 1 Location 5 3 2 Assembly Instructions 5 3 3 Installation 7 3 4 Pressure Differential Testing 8 3 5 Mounting the Detector 9 4 Maintenance 10 5 Appendix 11 6 Macurco Gas Detection Product limited warranty 12 ...

Page 3: ...at 1 844 325 3050 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 see supervisor or User manual or contact Technical Support at 1 844 325 3050 The ...

Page 4: ...tions in ventilation ducts Clear cover allows view of detector displays and status lights PC Polycarbonate housing Injection Molding Grade Flame Retardant UV Stabilized Included with the DMK 1 Enclosure with cover gasket and screws Standoffs hex aluminum Machine screws Phillips head Strain relief seal for wiring exit hole Nut for strain relief Sheet metal mounting screws Foam compression seals A f...

Page 5: ... at return air opening within the compartment where the air exits each compartment or in the duct system before air enters the return air system common to more than one compartment 3 2 Assembly Instructions 3 2 1 Remove the clear cover from the enclosure and remove the contents 3 2 2 Insert conduit setscrew adapters into the two large holes in the back of the enclosure Install the nuts for setscre...

Page 6: ...utside of the enclosure as pictured 3 2 6 Install the exhaust tube into the downstream setscrew adapter with the open end of the 45 degree cut facing downstream 3 2 7 Install the appropriately sized sampling tube not provided into the upstream setscrew adapter with the ports facing upstream Important The sampling tube MUST extend at least 2 3 into the width of the duct ...

Page 7: ... the six 6 holes to be drilled 3 3 2 Drill two 2 large and four 4 small holes in the duct you want to mount the unit on using the template provided The two large holes 1 are for the sampling and exhaust tubes The four small holes 1 16 are starter holes for the sheet metal mounting screws Ensure that the intake and exhaust tube holes are large enough to allow all the setscrew adapters to fit 3 3 3 ...

Page 8: ...n and use the manometer to measure the differential pressure between the two sampling tubes The differential pressure should measure at least 0 01 inches of water and no more than 1 11 inches of water Check the following if the differential pressure measurements are outside of the specified range Ensure that the air velocity in the duct is within the specified range If necessary use a velocity met...

Page 9: ...ctions provided for the detector 3 5 3 Install the gas detector onto the top of the four 4 standoffs Secure it in place using the four 4 remaining machine screws Important Be sure that there is a good seal between the DMK 1 and the duct surface around the sampling and exhaust tubes to ensure appropriate air flow through the DMK 1 and to the detector 3 5 4 Test the installed detector as described i...

Page 10: ...n under the cover and to clean the vented sampling inlets WARNING Do not blow out the sensor with compressed air Using compressed air may damage the sensor causing the sensor to not respond to the target gas WARNING High voltage terminals 120 240 VAC are located within the Macurco 12 series detectors presenting a hazard to service technicians Only qualified technicians should open the detector cas...

Page 11: ...DMK 1 Installation Guide REV 1 0 34 2900 0065 9 11 P a g e 5 Appendix DMK 1 Drill Hole Position Template External Dimensions 6 299 x 6 299 x 3 543 in ...

Page 12: ...CHANTABILITY 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 The manufacturer or its agent s liability shall be limited to replacement or repair as set forth abo...

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