Assurance Emergency Lighting L20-CB48 Central Battery Emergency LED Driver Installation Guide

July 9, 2024
Assurance Emergency Lighting

Assurance Emergency Lighting L20-CB48 Central Battery Emergency LED

Driver

FAQ

  • Q: Can I connect the Green wires to Ground if using a Positive +48VDC Ground?
    • A: No, do NOT connect the Green wires to Ground in this scenario. Ensure proper wiring according to the instructions provided.
  • Q: What should I do if my LED load’s rated power is lower than the output of the emergency LED driver?
    • A: It is crucial to match or exceed the LED load’s rated power to prevent damage during emergency mode.Consider upgrading the LED load or consulting with the manufacturer for guidance.

SAFETY INSTRUCTIONS

READ AND FOLLOW ALL SAFETY INSTRUCTIONS

  1. Do not join connection to the central battery system until installation is complete and AC power is supplied to the emergency driver unit and AC driver..
  2. This product is intended for use with an emergency LED lighting load and convert to central battery system during emergency mode.
  3. An unswitched AC power source is required (120-277 VAC, 50/60 Hz) to power these units.
  4. Do NOT connect the Green wires to Ground if you are using a Positive +48VDC Ground.
  5. This product is suitable for use in damp locations where the ambient temperature is 0℃minimum, to 55℃ maximum. This product is also suitable for installation in sealed and gasketed fixture. This product is not suitable for heated air outlets and wet or hazardous locations.
  6. Make certain all connectors are in accordance with the National Electrical Codes or Canadian Electrical Cose and any local regulations.
  7. This emergency LED driver is suitable for both factory or field installation. For field installation, please see the instructions section.
  8. Do not install near gas or electric heaters.
  9. The use of accessory equipment is not recommended by the manufacturer may cause an unsafe condition.
  10. Do not use this product for applications other than the intended use.
  11. Equipment should be mounted in locations and at heights where it will not be subjected to tampering by unauthorized personnel.
  12. This device complies with part 15 of the FCC Rules. Operation is suitable to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference that may cause undesired operation.
  13. To reduce the risk of electric shock, disconnect both normal and emergency power supplies and disconnect to the central battery system before servicing.
  14. Servicing should be performed by qualified service personnel only.

INSTALLATION

CAUTION: DO NOT CONNECT TO CENTRAL BATTERY SYSTEM UNTIL INSTALLATION IS COMPLETE AND AC POWER IS SUPPLIED TO THE EMERGENCY DRIVER AND the AC DRIVER.

NOTE: Make sure the necessary branch circuit wiring is available. An unswitched source of power is required. The emergency driver must be fed from the same branch circuit as the AC driver.

This product is suitable for field installation with suitable LED loads. There are Three 3 ) checks to determine if your luminaire is eligible for field installation.

  1. Ensure the LED load s rated power is greater than or equal to the power output of this emergency LED driver. This is to ensure that this emergency product will not produce more power than the LED load can handle. Thus ensuring that the LED load will not be damaged when the system is in emergency mode.
  2. Verify that the forward voltage of the luminaire LED array is within the limits of this emergency LED driver. The forward voltage of the LED array is commonly designated as Vf and should be found on the luminaire, in the luminaire specifications, or imprinted directly on the LED arrays. If multiple LED arrays are to be driven, verify that the total forward voltage is within the limits of this product. Using a voltage meter, it may be possible to directly measure the voltage across the LED arrays when operating from the AC driver.
  3. Ensure the output current of the LED driver does not exceed 5 .0 Amps. This is the current into the red/ blue output wire.

NOTE: This product has been designed to reliably interface with a wide selection of LED loads and is electrically compatible with every simple LED array that meets criteria 1 and 2 above. However compatibility cannot be guaranteed with all current and future LED systems. Compatibility testing of the end-use systems is suggested. Please contact the factory with any questions.

NOTE: After installation it will be necessary to measure the egress lighting illumination level to ensure it complies with national state and local code requirements.
Installation of this emergency LED driver will vary based on the luminaire type, however generally follow these steps.

STEP #1: INSTALLING THE EMERGENCY DRIVER

  • Disconnect AC power from the LED luminaire.
  • Mount the emergency LED driver by the mounting tabs using appropriate screws(not provided). The luminaire’s installation instructions may provide guidance on the recommended mounting location.

NOTE: Considerations must be made to protect the wires on the models have no flexible conduit if installed outside of the luminaire.

Note: If the application requires the emergency LED driver to be mounted on top of the luminaire, please use the models which provide metal flexible conduit instead of bare wire.

Mounting Height: Many factors influence emergency illumination levels, such as the lamp loadselected, luminaire design, and environmental factors. Therefore end-use verification is necessary. For field installations, the mounting height of illumination must be measured in the end application to ensure the minimum lumens requirements on national, state, and local codes are satisfied.

Lumens can be calculated by the following formula:

Remote Mounting: The emergency LED driver may be remote mounted from the luminaire. If used in conjunction with an AC driver the allowed distance is up to half the distance the AC driver manufacturer recommends remote mounting the AC driver from the LED load. If used without an AC driver, and remote mounting more than 18 feet from the luminaire, please consult the factory to determine the necessary wire gauge. CAUTION: Remote mounting can result in reduced power output.

STEP #2: INSTALLING THE 4-WIRE TEST SWITCH ON FIXTURE SURFACE

  • Mount the supplied 4-wire illuminated test switch in a location that is visible and accessible by maintenance personnel. The switch mounts through a hole which may need to be added to the luminaire or could come pre-punched by the luminaire supplier.
  • Wire the test switch per wiring diagrams provided on these instructions.
  • The test switch indicator light should be “ON” when AC power is supplied to the system.

STEP #3: WIRING THE EMERGENCY DRIVER

  • Select the appropriate wiring diagram to connect the emergency driver to the AC driver and LED load.
  • Make sure all connections are in accordance with the National Electrical Code and any local regulations.
  • After installation is completed, supply AC power to the emergency driver, AC driver, and connect to the central battery system. At this point, the test switch indicator light should be illuminated indicating the AC power is supplied.

CAUTION: This Unit Has More Than One Power Connection Point. To Reduce The Risk Of Electric Shock, Disconnect Both The Branch Circuit-Breakers Or Fuses And Emergency Power Supplies Before Servicing.”

OPERATION AND MAINTENANCE

OPERATION

During normal operation AC power is applied, to the driver and emergency driver, and the test switch indicator light is illuminated. When power fails, the emergency LED driver will automatically switch to emergency power (central battery system), the operating time will depend on the external power system capacity. When AC power is restored, the emergency driver returns to normal mode.

MAINTENANCE

Although no routine maintenance is required to keep the emergency driver functional, it should be checked periodically to ensure that it is working. The following schedule is recommended:

  1. Visually inspect the test switch indicator light monthly. It should be illuminated. If the test switch indicator is off. Contact tech support.
  2. Test the emergency operation of the fixture at 30-day intervals for a short term period. The LED load should operate at reduced illumination.
  3. Conduct long term test once a year. The LED load should operate at reduced illumination.

REFER ANY SERVICING INDICATED BY THESE CHECKS TO QUALIFIED PERSONNEL!

TCASE TEST POINT LOCATION

  • EMERGENCY DRIVER AND AC DRIVER MUST BE FED FROM THE SAME BRANCH CIRCUIT TYPICALLY. IT MAY BE USED WITH OTHER DRIVERS. CONSULT THE FACTORY FOR OTHER WIRING DIAGRAM.

SYSTEM WIRING DIAGRAM

NOTE

  • A short-term test may be conducted after the emergency driver has been installed.
  • DO NOT connect the Green wires to Ground if you are using a Positive +48VDC Ground.

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