Title
L861(L) Medium Intensity Elevated Edge Light - Installation Instructions
URL Name
L861-LED-Medium-Intensity-Elevated-Edge-Light---Installation-Instructions
Summary
This article details the complete mounting, conduit routing, frangible coupling attachment, leveling procedure, power cord connections, and wiring instructions (without and with arctic kit) for the ALC-861L series LED elevated medium intensity edge lights.

Content

 Mounting the Fixture

  • The ALC-861L Elevated LED fixtures mount to a 1½” – 12 NF base plate or can be specially ordered to mount on a 2” NPS baseplate.
  • The fixture ships from Airport Lighting Company ready to be plugged into an appropriate L830 Style isolation transformer with a 6.6amp output.
  • Snake the cord through the column and frangible coupling, then plug the fixture into the isolation transformer secondary.
  • Thread the frangible coupling onto the baseplate.
  • Secure the column to the frangible coupling.


Bi-Directional Fixture Alignment

  • The ALC-861L bi-directional fixtures are assembled so that the 2 clasps that hold through the glass lens are on the dividing line of the bi-directional colors.
  • Line the ALC-861L up so that a line thru the clasps is perpendicular to the runway and the colors are in the correct orientation.


Leveling the Fixture

  • Place a torpedo level along the bottom edge of the light fixture base.
  • Using the (3) ¼”-20 hex screws in the base of the fixture adjust the screws until the light fixture is level and tighten to 30 in-lbs.


Final Preparation and Verification

  • Wipe the lens clean.
  • Power the constant current regulator and check that the LEDs come on.
  • Run through all the steps of the regulator and make sure that the light intensity increases as the current is increased.
  • The fixture is ready to provide years of quality service.

Wiring Without an Arctic Kit

  • The ALC-861L fixture leaves the factory ready to be connected to a 6.6A output isolation transformer.
  • The secondary of the isolation transformer plugs into the fixture power cord.
  • The power cord connects to 2 tabs on the driver board with quick connect terminals.
  • The driver board connects to the LED light engine with a 2-position inline connector.


Wiring With an Arctic Kit

  • The ALC-861L fixture leaves the factory ready to be connected to a 6.6A output isolation transformer.
  • The secondary of the isolation transformer plugs into the fixture power cord.
  • The power cord connects to the driver board and arctic kit in series.
  • The remaining arctic kit power lead plugs into the remaining tab on the driver board.
  • The driver board connects to the LED light engine with a 2-position inline connector.
  • The driver board connects to the arctic kit control circuit with a 3-position inline connector. 


Medium Intensity Edge Light