universal douglas LSA-25WH LED Chain Instruction Manual

June 3, 2024
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universal douglas LSA-25WH LED Chain

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For Wet, Damp and Dry locations

Equipment Needed

  • Wire stripper
  • Manual screwdriver, rivet gun or powered screwdriver and bit
  • Tape measure

Components Needed

  • Cleaning cloth
  • Non-petroleum-based cleaner
  • Non-water-based silicone
  • IDC or butt splice connectors that accept 20 AWG wire
  • Wire nuts that accept 18-20 AWG wire
  • UL recognized 18 AWG supply wire
  • 6 pan head sheet metal screws or 1/8” rivets
  • Universal Douglas LED strip
  • Universal Douglas 2 Volt, Class 2 Power Supply

WARNING
To avoid electric shock or fire: Disconnect power at service panel prior to installation, troubleshooting or maintenance. Always follow NEC and local wiring requirements. Properly ground power supply and fixture. Do not connect output of power supplies in series or parallel. All LED module wire connections are white to white and red to red. Power supply to LED module connections are red to red and black to white. Operating temperature -40ºC to 70ºC

  1. Step 1 Layout the design and test on a sample letter. For layout support use chart 1 below or contact Universal Douglas Technical Support at 1-800-225-5278.
  2. Step 2 Clean letters with a non-petroleum-based product and let dry. Arrange LED strips inside the letter.
  3. Step 3 Peel off the tape backing and place the LED modules into the desired location. Use an area on the LED module other than the LED to apply pressure. Secure module as needed with #6 pan head sheet metal screws or 1/8” rivets.
  4. Step 4 Make connections between LED strips using IDC connectors, butt splices or wire nuts. Wires can be cut or connected between any LED module. Modules can be arranged in series or parallel.
  5. Step 5 Cover open wire ends using wire nuts and non-water-based silicone to prevent the connections from touching the sign.
  6. Step 6 Drill access holes where required for the power supply wires. Connect the red wire from the power supply to the red wire on the LED strip. Connect the black wire from the power supply to the white wire on the LED strip.

Trouble Shooting

universal-douglas-LSA-25WH-LED-Chain-FIG-5

Chart 1
Recommended Rows of LED Strips for Different Stroke Lengths (for channel can depth of 5” or deeper)

universal-douglas-LSA-25WH-LED-Chain-FIG-6

Chart 2
Mounting Distance from Power Supply to LED Chain

IT’S EASY TO REACH US…
Universal Douglas 51 Century Blvd., Suite 230 Nashville, TN 37214-3683 General Info: 1-800-862-8666 For Technical Engineering Services (TES), application support and warranty information, call 1-800-225-5278

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