aci MLP2 Series Assembly, Installation And Operation Instructions

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Automation Components, Inc.2305 Pleasant View Road | Middleton, WI 53562Phone: 1-888-967-5224 | Website: workaci.comPage 1Version: 12.0I0000791MLP2 SERIESInstallation & Operation Instructions Phone: 1-888-967-5224Website: workaci.comPRECAUTIONS• Remove power before wiring. Never connector disconnect wiring with the power applied.Do not allow live wires to touch the circuitboard.• An isolation transformer is recommendedwhen powering the device with 24 VAC.• Do not run the wiring in any conduit with linevoltage.• Failure to wire devices with the correctpolarity when using a shared transformer mayresult in damage to any device powered bythe shared transformer.• Do not remove the cover. All user features areaccessible from the outside of the unit.MEDIAThe MLP2 can be used to monitor the differentialpressure in any application that uses dry air orinert gas.MOUNTING INSTRUCTIONS88.9m88.9mmm3.500i3.500inn106.3m106.3mmm4.185i4.185inn57.1m57.1mmm2.250i2.250inn34.4m34.4mmm1.354i1.354innUsing the two #8 x 3/4” self drilling mounting screws supplied by ACI, mount the unit vertically withthe brass fittings pointing towards the ground. Attach the unit to the mounting surface using thetwo mounting openings located on the top and bottom flanges. This ensures that any condensationthat may form in the tubing does not have an effect on the pressure sensor. If mounting the unithorizontally, a slight zero shift may occur and care must be taken to prevent moisture from building upin the sensor. For best results, all tubing lengths should be limited to a maximum length of 75 feet (23meters).DIN RAIL MOUNTINGThe MLP2 offers two options for DIN Rail mounting: rear and side mount. The rear DIN rail mount isintegrated into the enclosure. The side mount DIN adapter is included with the package. The side mountoffers a much thinner profile for higher density panels. - See Figure 2 or Figure 3 (pg. 2)To install the side mount DIN adapter, the front cover must be removed first. The cover can be pried outwith a flat blade screw driver on the upper edge, or on the two side slots. The clip can then be slid intoposition. Once the clip is inserted, snap the front cover into place.

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