1. Introduction
This instruction manual provides essential information for the safe installation, operation, and maintenance of your Lithonia Lighting I-BEAM LED High Bay Light, model IBE 18LM MVOLT 50K. This fixture is designed for high-efficiency illumination in commercial and industrial environments, delivering 18,000 lumens of 5000K daylight white light. Please read this manual thoroughly before installation and retain it for future reference.
Figure 1: Lithonia Lighting I-BEAM LED High Bay Light (IBE 18LM MVOLT 50K)
2. Important Safety Information
To reduce the risk of death, personal injury, or property damage from fire, electric shock, falling parts, cuts/abrasions, and other hazards, please read all warnings and instructions included with and on the fixture box and all fixture labels.
- Installation must be performed by a qualified electrician in accordance with the National Electrical Code and local codes.
- Disconnect power at the fuse or circuit breaker before installation or servicing.
- Ensure the supply voltage is correct by comparing it with the fixture label information.
- Do not handle energized fixtures, or attempt to energize any fixture with wet hands or while standing on a wet or damp surface.
- This fixture is UL listed and damp location rated. Do not use in locations where it may be directly exposed to water.
- Built-in 6kV surge protection is included; however, additional surge protection may be advisable in areas prone to electrical surges.
3. Package Contents
Verify that all components are present and undamaged before proceeding with installation. The package should contain:
- Lithonia Lighting I-BEAM LED High Bay Light Fixture (IBE 18LM MVOLT 50K)
- Installation Instructions
- Mounting hardware (may vary based on specific kit, typically includes brackets or hooks for suspension)
4. Specifications
| Feature | Detail |
|---|---|
| Model Number | IBE 18LM MVOLT 50K |
| Brand | Lithonia Lighting |
| Light Output | 18,000 Lumens |
| Color Temperature | 5000K Daylight |
| Voltage | MVOLT 120–277V |
| Wattage | 107 watts |
| Dimming | 0–10V Dimmable (with compatible dimmer switches) |
| Material | Aluminum |
| Dimensions (L x W x H) | 44 in x 15.49 in x 6.30 in (approx. 111.76 cm x 39.34 cm x 16.00 cm) |
| Weight | 8 pounds (approx. 3.63 kg) |
| Operating Temperature | Up to 45°C (113°F) |
| Certifications | UL Listed, Damp Location Rated |
| Surge Protection | 6kV |
Figure 2: Product Dimensions
5. Setup and Installation
This fixture offers versatile installation options. Direct surface mounting is not recommended. Always ensure power is disconnected before beginning installation.
5.1 Mounting Options
The I-BEAM fixture supports the following suspension methods:
- Chain Suspension: Attach chains to the designated mounting points on the fixture and secure to a suitable overhead structure.
- Cable Suspension: Use appropriate cables to suspend the fixture from overhead supports.
- Hook Monopoint: Utilize a single hook point for central suspension.
- Single Pendant Monopoint: For a more decorative or specific drop, use a single pendant mounting point.
- Surface-Mount Bracket: While direct surface mounting is not recommended, specific brackets can be used to adapt for surface installation if necessary, ensuring proper clearance and ventilation.
Figure 3: Top view showing mounting points
5.2 Electrical Connection
- Ensure power is OFF at the circuit breaker.
- Route the electrical supply wires to the fixture's wiring compartment.
- Connect the supply wires to the fixture wires according to the wiring diagram provided on the fixture or in the detailed installation guide (typically black to black, white to white, and green/bare copper to ground).
- If utilizing 0-10V dimming, connect the purple (dimming positive) and gray (dimming negative) wires to a compatible 0-10V dimmer switch.
- Secure all connections with appropriate wire connectors.
- Close the wiring compartment cover securely.
6. Operating Instructions
Once properly installed and wired, restore power to the fixture at the circuit breaker. The fixture will illuminate. If connected to a compatible 0-10V dimmer, the light output can be adjusted from 10% to 100% by manipulating the dimmer control.
Figure 4: Color Temperature Guide (This fixture provides 5000K Daylight)
7. Maintenance
The Lithonia Lighting I-BEAM LED High Bay Light is designed for minimal maintenance. Its integrated high-efficiency LEDs provide 70% lumen maintenance at over 100,000 hours of use, significantly reducing the need for frequent bulb replacements.
- Cleaning: Periodically clean the exterior of the fixture with a soft, dry, or slightly damp cloth. Do not use abrasive cleaners or solvents. Ensure power is off before cleaning.
- Inspection: Annually inspect the fixture and wiring for any signs of damage, loose connections, or wear. Address any issues promptly.
8. Troubleshooting
If your fixture is not operating as expected, refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Fixture does not light up | No power supply Loose wiring connection Faulty fixture | Check circuit breaker and wall switch. Ensure all wire connections are secure (with power off). If power is confirmed and wiring is correct, contact customer support. |
| Light output is too low or flickers | Incompatible dimmer switch Incorrect dimming wire connection Voltage fluctuations | Ensure dimmer is 0-10V compatible. Verify dimming wire connections (purple/gray). Consult an electrician to check supply voltage stability. |
| Unusual noise or smell | Internal component issue | Immediately disconnect power and contact customer support. Do not attempt to repair. |
For issues not listed above or if troubleshooting steps do not resolve the problem, please contact Lithonia Lighting customer support.
9. Warranty
The Lithonia Lighting I-BEAM LED High Bay Light (IBE 18LM MVOLT 50K) is backed by a 5-year limited warranty. This warranty covers defects in materials and workmanship under normal use and service. For full warranty terms and conditions, please refer to the official Lithonia Lighting warranty documentation or visit their website.
10. Customer Support
For technical assistance, warranty claims, or further information regarding your Lithonia Lighting product, please contact Lithonia Lighting customer support through their official website or the contact information provided with your purchase documentation.
You can visit the Lithonia Lighting store online for additional product information and support resources: Lithonia Lighting Store
