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MLP2 SERIES
Installation & Operation Instructions
PRECAUTIONS
• Remove power before wiring. Never connect or
disconnect wiring with the power applied. Do not
allow live wires to touch the circuit board.
• An isolation transformer is recommended when
powering the device with 24 VAC.
• Do not run the wiring in any conduit with line voltage.
• Failure to wire devices with the correct polarity when
using a shared transformer may result in damage to
any device powered by the shared transformer.
• Do not remove the cover. All user features are
accessible from the outside of the unit.
MEDIA
The MLP2 can be used to monitor the di erential pressure
in any application that uses dry air or inert gas.
MOUNTING INSTRUCTIONS
Using the two #8 x 3/4" self drilling mounting screws
supplied by ACI, mount the unit vertically with the brass
ttings pointing towards the ground. Attach the unit to
the mounting surface using the two mounting openings located on the top and bottom anges. This ensures that any
condensation that may form in the tubing does not have an e ect on the pressure sensor. If mounting the unit horizontally,
a slight zero shift may occur and care must be taken to prevent moisture from building up in the sensor. For best results, all
tubing lengths should be limited to a maximum length of 75 feet (23 meters).
FIGURE 2: DIN RAIL MOUNTING
Automation Components, Inc.
2305 Pleasant View Road | Middleton, WI 53562
Phone: 1-888-967-5224 | Website: workaci.com
FIGURE 1: DLP DIMENSIONS
FRONT
0.38"
(9.593 mm)
0.09"
(2.381 mm)
BOTTOM
DIN RAIL
Page 1
Phone: 1-888-967-5224
Website: workaci.com
0.36"
(9.198 mm)
VIN|GND|OUT
ZERO
(88.90 mm)
2.10"
(53.32 mm)
(34.42 mm)
3.50"
1.35"
Version 6.0
I0000791
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Summary of Contents for aci Zero
-
Page 1: Mounting Instructions
If mounting the unit horizontally, a slight zero shift may occur and care must be taken to prevent moisture from building up in the sensor. For best results, all tubing lengths should be limited to a maximum length of 75 feet (23 meters). -
Page 2: Pressure Connections
ZERO ADJUSTMENT Small positive or negative pressure o sets can be removed using the Zero push button. Make sure that there is no pressure at the HI and LO pressure ttings. Additionally, a small piece of tubing can be connected between the HI and LO brass ttings to neutralize any external pressure e ects. -
Page 3: Product Specifications
Enclosure Material [Flame Rating]: WARRANTY The ACI MLP2 sensors are covered by ACI’s Five (5) Year Limited Warranty, which is located in the front of ACI’S SENSORS & TRANSMITTERS CATALOG or can be found on ACI’s website: www.workaci.com. W.E.E.E. DIRECTIVE At the end of their useful life the packaging and product should be disposed of via a suitable recycling centre.
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