1. Inleiding
The Lithonia Lighting BLT Series 2x2 Low Profile LED Troffer provides 3300 lumens of 4000K cool white illumination. This fixture is designed for drop ceilings in various indoor environments such as offices, classrooms, and corridors. Its slim 2-3/8" depth facilitates installation in restrictive plenum settings. This manual provides essential information for the safe installation, operation, and maintenance of your LED troffer light.
2. Belangrike veiligheidsinligting
Please read and understand all instructions before beginning installation. Failure to follow these instructions may result in electric shock, fire, or other hazards that could cause property damage or personal injury.
- WAARSKUWING: Risiko van elektriese skok. Ontkoppel krag by die lont of stroombreker voor installering of diens.
- Installasie moet deur 'n gekwalifiseerde elektrisiën uitgevoer word in ooreenstemming met die Nasionale Elektriese Kode en plaaslike kodes.
- Verseker die toevoer voltage is compatible with the fixture's requirements (120-277V).
- Do not handle energized fixture with wet hands or while standing on wet or damp oppervlaktes.
- This fixture is designed for indoor, damp location, and IC rated applications. Do not use in locations where it may be exposed to direct water spray or submersion.
- Moenie die toebehore wysig of verander nie. Enige wysigings kan die waarborg ongeldig maak en veiligheidsgevare skep.
- Keep combustible materials away from the fixture.
3. Pakketinhoud
Verifieer dat alle komponente teenwoordig is voordat u met die installasie begin.
- 1 x BLT Series 2x2 LED Troffer Light (Model: 2BLT2 33L ADP LP840)
- Installasiegids (hierdie dokument)

Figuur 1: Voorkant view of the Lithonia Lighting 2x2 LED Troffer Light.
4. Opstelling en Installasie
The BLT Series LED Troffer is designed for installation in standard drop ceilings. Ensure power is disconnected before proceeding.
4.1 Voor-installasie tjeks
- Confirm the ceiling grid opening is 2 ft x 2 ft (approximately 23-3/4" x 23-3/4").
- Verify that the plenum depth is sufficient for the fixture's 2-3/8" depth.
- Ensure wiring is available and meets local electrical codes.
4.2 Installasiestappe
- Ontkoppel krag: Skakel die krag by die stroombreker of sekeringkas af om elektriese skok te voorkom.
- Berei opening voor: Remove the existing ceiling tile from the desired installation location.
- Posisie-toebehore: Carefully lift the LED troffer into the ceiling grid opening. The fixture's end plates contain integral T-bar clips for secure attachment.
- Veilige toebehore: Engage the T-bar clips to firmly secure the luminaire to the T-grid.
- Bedrading verbindings:
- Maak die deksel van die bedradingskompartement op die toebehore oop.
- Connect the building's supply wires to the fixture's wires according to the wiring diagram (typically black to black, white to white, and ground to ground).
- If using 0-10V dimming, connect the purple (dimming positive) and gray (dimming negative) wires to the compatible dimming control wires.
- Maak seker dat alle verbindings veilig en behoorlik geïsoleer is.
- Close Wiring Compartment: Vervang die bedrading kompartement deksel.
- Herstel krag: Skakel krag aan by die stroombreker of sekeringskas.

Figuur 2: Hoekig view of the LED troffer, showing its low profile ontwerp.
Video 1: Oorview of the BLT Series Low Profile LED Drop in Ceiling Light, demonstrating its features and potential applications.
5. Bedryfsinstruksies
The Lithonia Lighting BLT Series LED Troffer operates immediately upon power being supplied. It is designed for use with compatible 0-10V dimming systems, allowing for adjustable light output.
- Standaard werking: Once installed and wired, the fixture will illuminate when power is supplied via a standard wall switch.
- Verduistering funksionaliteit: If connected to a compatible 0-10V dimmer switch, the light output can be adjusted from 100% down to 10% brightness. Use a 0-10V dimmer for optimal performance.
- Beheer metode: This fixture supports control via a compatible dimmer switch. Remote control or app control functionality is dependent on the external dimming system used, not inherent to the fixture itself.
6. Onderhoud
The BLT Series LED Troffer is designed for long-term, low-maintenance operation. No user-serviceable parts are inside.
- Skoonmaak: Ensure power is disconnected before cleaning. Wipe the diffuser and exterior surfaces with a soft, damp lap. Moenie skuur skoonmaakmiddels of oplosmiddels gebruik nie.
- LED-langslewendheid: The long-life LEDs are rated for 80% lumen maintenance at 60,000 hours, meaning they will maintain at least 80% of their initial brightness after 60,000 hours of operation.
- Inspeksie: Inspekteer die toebehore gereeld vir enige tekens van skade of los verbindings. Indien enige probleme gevind word, ontkoppel die krag en raadpleeg 'n gekwalifiseerde elektrisiën.
7. Probleemoplossing
If your LED troffer light is not functioning correctly, refer to the following common issues and solutions:
| Probleem | Moontlike oorsaak | Oplossing |
|---|---|---|
| Lig skakel nie aan nie. | Geen kragtoevoer nie; los bedrading; foutiewe skakelaar. | Check circuit breaker/fuse. Verify all wiring connections are secure. Test the switch. |
| Lig flikker of dof onverwags. | Onversoenbare dimmer; los bedrading; volumetage skommelinge. | Ensure a compatible 0-10V dimmer is used. Check wiring connections. Consult an electrician for voltage kwessies. |
| Liguitset is laer as verwag. | Dimmer setting too low; incorrect wiring. | Adjust dimmer to maximum setting. Verify dimming wires are correctly connected. |
If the problem persists after attempting these solutions, contact a qualified electrician or Lithonia Lighting customer support.
8. Spesifikasies
| Kenmerk | Detail |
|---|---|
| Handelsmerk | Lithonia Beligting |
| Modelnommer | 2BLT2 33L ADP LP840 |
| Afmetings (L x B x H) | 23.75" x 23.75" x 2.38" |
| Ligbron | LED |
| Helderheid | 3300 Lumen |
| Kleur temperatuur | 4000K (Koel Wit) |
| Voltage | 120-277 Volts (MVOLT) |
| Wattage | 30 Watt |
| Dimbaar | Yes, 0-10V dimming to 10% |
| Materiaal | Alloy Steel (housing), Acrylic (shade) |
| Installasie tipe | Recessed (Drop Ceiling) |
| Sertifiserings | CSA Certified, Damp Location Rated, IC Rated |
| Gewig | 6 pond |
| UPC | 190887529739 |
9. Waarborg en ondersteuning
This Lithonia Lighting BLT Series LED Troffer Light is backed by a 5-jaar beperkte waarborg van die vervaardiger. Hierdie waarborg dek defekte in materiale en vakmanskap onder normale gebruik.
For warranty claims, technical support, or additional product information, please contact Lithonia Lighting customer service or visit their official webwebwerf.
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