1. Introduction
This manual provides essential information for the safe installation, operation, and maintenance of your Lithonia Lighting BLT Series 2x4 Low Profile LED Troffer Light. Please read these instructions thoroughly before installation and retain them for future reference.
The BLT Series LED Troffer is designed to deliver clean, cool white illumination (4000K) and reliable performance in drop ceilings. Its center-basket style with a curved, ribbed diffuser provides 4000 lumens of uniform light, suitable for various indoor environments such as offices, classrooms, and corridors. The slim 2-3/8 inch depth facilitates installation in restrictive plenum spaces.
2. Safety Information
WARNING: Risk of electric shock. Disconnect power at the fuse or circuit breaker before installation or servicing.
- All electrical connections must be in accordance with local codes and the National Electric Code (NEC).
- If you are unfamiliar with proper electrical wiring connections, consult a qualified electrician.
- Do not install this fixture in wet locations. It is rated for damp locations.
- Ensure the fixture is properly grounded to avoid potential electrical hazards.
- Do not handle the fixture with wet hands.
- Verify that the supply voltage is compatible with the fixture's requirements (MVOLT 120-277V).
3. Package Contents
The package includes the following components:
- 1 x LED Troffer Light Fixture
Note: Additional mounting hardware may be required depending on the installation surface and is not included.
4. Product Overview
5. Installation and Setup
The BLT Series LED Troffer Light is designed for easy installation in standard drop ceilings.
- Prepare the Installation Area: Ensure power is disconnected at the circuit breaker. Clear the ceiling grid area where the fixture will be installed.
- Position the Fixture: The fixture's shallow depth (2-3/8 inches) allows for installation in restrictive plenum settings. Carefully lift the fixture into the ceiling grid opening.
- Secure the Fixture: The end plates of the fixture contain integral T-bar clips. Position these clips to securely attach the luminaire to the T-grid system.
- Electrical Connections: Connect the fixture's wiring to the building's electrical supply (120-277V) according to local electrical codes. Ensure proper grounding. If dimming functionality is desired, connect the 0-10V dimming wires to a compatible dimming driver.
- Test Operation: Once all connections are secure and the fixture is properly mounted, restore power and test the light's functionality.
Video 5.1: Demonstration of the Lithonia Lighting BLT Series Low Profile LED Drop in Ceiling Light in an office setting, showcasing its illumination and appearance.
6. Operation
The Lithonia Lighting BLT Series LED Troffer Light operates by connecting to a standard electrical circuit. Once installed and powered, the light will illuminate.
- On/Off Control: The light is controlled via a standard wall switch connected to the electrical circuit.
- Dimming Functionality: This fixture is equipped with a generic 0-10 volt dimming driver, allowing it to dim down to 10% of its full brightness. To utilize this feature, the fixture must be connected to a compatible 0-10V dimmer switch (sold separately).
7. Maintenance
The BLT Series LED Troffer Light requires minimal maintenance.
- Cleaning: Ensure power is disconnected before cleaning. Use a soft, dry, or slightly damp cloth to wipe the exterior surfaces of the fixture. Avoid abrasive cleaners or solvents, as these can damage the finish and diffuser.
- LED Longevity: The long-life LEDs are rated for 80% lumen maintenance at 60,000 hours, meaning they are designed for extended operation without requiring frequent replacement.
8. Troubleshooting
If you experience issues with your LED Troffer Light, refer to the following common troubleshooting steps:
- Light does not turn on:
- Check the circuit breaker to ensure power is supplied to the fixture.
- Verify all electrical connections are secure and correctly wired.
- Ensure the wall switch is in the 'ON' position.
- Light flickers or dims unexpectedly:
- Confirm the fixture is connected to a compatible 0-10V dimmer if dimming is intended. Incompatible dimmers can cause flickering.
- Check for loose wiring connections.
- Reduced light output:
- Ensure the diffuser is clean and free from dust or debris.
- Verify the dimmer setting is not set too low, if applicable.
If these steps do not resolve the issue, contact customer support.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | Lithonia Lighting |
| Model Name | BLT Series |
| Part Number | 2BLT4 40L ADP LP840 |
| Product Dimensions | 47.75"L x 23.75"W x 2.38"H |
| Item Weight | 17 Pounds |
| Light Source Type | LED |
| Color Temperature | 4000 Kelvin (Cool White) |
| Brightness | 4000 Lumens |
| Wattage | 34 watts |
| Voltage | 120-277 Volts (MVOLT) |
| Dimmable | Yes (0-10V dimming to 10%) |
| Installation Type | Recessed (Drop Ceiling) |
| Material | Alloy Steel (Housing) |
| Shade Material | Acrylic |
| Finish Type | Powder Coated |
| Indoor/Outdoor Usage | Indoor |
| Water Resistance Level | Water Resistant (Damp Location Rated) |
| Certifications | CSA Certified, IC Rated |
10. Warranty
This Lithonia Lighting BLT Series LED Troffer Light is backed by a 7-year limited warranty. For detailed warranty terms and conditions, please refer to the official Lithonia Lighting warranty documentation or contact customer support.
11. Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact Lithonia Lighting customer support. Refer to the product packaging or the official Lithonia Lighting website for current contact information.
