aci DLP Series Installation & Operation Instructions
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aci DLP Series Installation & Operation Instructions

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DLP
[CUSTOM RANGES]
Installation & Operation Instructions
PRECAUTIONS
• Do not switch pressure range and output
mode when power is on. Make sure to
power off the unit first, then set the DIP
Switches to the correct positions and then
power on the transmitter.
GENERAL INFORMATION
The DLP Series is based on a piezoresistive,
silicon sensing element which senses Differential
Pressure and provides an analog output. Field
selectable analog outputs include 0-5 and 0-10
VDC, or 4-20 mA which correlate to a uni or bi-
directional pressure range from 0-0.1" up to 0-30"
of water column, depending on your model
selection. Each unit is calibrated to one specific
range based on model number selection. The
range selection dipswitches are referenced on
Figure 9 & 10 p. 5-6 and should not be adjusted.
MEDIA
The DLP can be used to monitor the differential
pressure in any application that uses dry air or
inert gas.
MOUNTING INSTRUCTIONS
Find a suitable location for the enclosure. The DLP has 2 two mounting holes located on the top and
bottom flanges. Drill pilot holes for the (2) #8 x 3/4" self-drilling screws(supplied). Use the enclosure
flange as a guide, or use the dimensions listed in Figure 1. Mount the unit vertically with the brass fittings
pointing towards the ground. This ensures that any condensation that may form in the tubing does not
have an effect 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.
Automation Components, Inc.
2305 Pleasant View Road | Middleton, WI 53562
Phone: 1-888-967-5224 | Website: workaci.com
Page 1
Phone: 1-888-967-5224
Website: workaci.com
-H
-L
Version: 1.0
I0000977

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Summary of Contents for aci DLP Series

  • Page 1 Switches to the correct positions and then power on the transmitter. GENERAL INFORMATION The DLP Series is based on a piezoresistive, silicon sensing element which senses Differential Pressure and provides an analog output. Field selectable analog outputs include 0-5 and 0-10 VDC, or 4-20 mA which correlate to a uni or bi- directional pressure range from 0-0.1"...

  • Page 2: Din Rail Mounting (Optional)

    DIN RAIL MOUNTING (Optional) Attach the DIN Rail Mounting accessory to the back of the enclosure using the two screws provided. To mount the sensor on the DIN Rail, place the bottom of the DIN Rail Clip into the 35mm DIN Rail and push the unit upward to engage the spring clip.

  • Page 3: Wiring Instructions

    • If the 24 VDC or 24VAC power is shared with devices that have coils such as relays, solenoids, or other inductors, each coil must have an MOV, DC/AC Transorb, Transient Voltage Suppressor (ACI Part: 142583), or diode placed across the coil or inductor. The cathode, or banded side of the DC Transorb or diode, connects to the positive side of the power supply.

  • Page 4: Zero Function

    Open the cover of the enclosure. ACI recommends 16 to 24 AWG twisted pair wires or shielded cable for all transmitters. Twisted pair may be used for 2-wire current output transmitters or 3-wire for voltage output. Connect the wires to the unit’s finger push-button terminal blocks. Each DLP unit can be configured to three output signals: 4-20 mA, 0-5 V or 0-10 V.
  • Page 5 button for more than three seconds before installation or whenever necessary. For units with LCD display, “AUTOZERO” icon will be on when the unit enters zero mode. If zeroing process is successful, the “AUTOZERO” icon will flash twice. UNDIRECTIONAL AND BIDIRECTIONAL MODE The DLP can operate in either unidirectional mode (0 –...

  • Page 6: Unidirectional Mode

    DLP-3K2 DLP-10K DLP-7K5 DLP-5K0 0 to 10,000 Pa 0 to 7,500 Pa 0 to 5,000 Pa 0 to 3,200 Pa DLP-2K5 DLP-1K6 DLP-1K2 DLP-1K0 0 to 2,500 Pa 0 to 1,600 Pa 0 to 1,200 Pa 0 to 1,000 Pa DLP-750 DLP-500 DLP-300...

  • Page 7: Product Specifications

    Note2: Shift is relative to 71°F (21.5°C) WARRANTY The ACI DLP Series is 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 web site: www.workaci.com.
  • Page 8 Page 8 Automation Components, Inc. Version: 1.0 2305 Pleasant View Road | Middleton, WI 53562 I0000977 Phone: 1-888-967-5224 | Website: workaci.com...

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