1. Introduction
The Lumitec SeaBlaze X2 Underwater Light, Model 101516, is an advanced LED lighting solution designed for marine environments. This light features a robust bronze construction and offers dual-color illumination in Classic White/Blue. It is engineered for durability and high performance, providing significant light output for underwater visibility and aesthetic enhancement.
This manual provides essential information for the safe and effective installation, operation, and maintenance of your SeaBlaze X2 light. Please read all instructions carefully before proceeding with installation or use.

Image 1.1: Lumitec SeaBlaze X2 Underwater Light (Classic White/Blue, Bronze finish).
2. Specifications
Below are the technical specifications for the Lumitec SeaBlaze X2 Underwater Light (Model 101516):
| Feature | Specification |
|---|---|
| Model Number | 101516 |
| Voltage Range | 10-30VDC |
| Current Draw (12VDC) | 5A |
| Current Draw (24VDC) | 2.5A |
| Color Rendering Index (CRI) | 70+ |
| Correlated Color Temperature (CCT) | 6500K |
| Lumen Output | 6000 Lumens |
| Diameter | 3.8 inches (96.52 mm) |
| Depth | 0.72 inches (18.39 mm) |
| Mounting Hole Diameter | 0.5 inches (12.7 mm) |
| Wattage | 60 watts |
| Light Color | White/Blue |
| Housing Material | Bronze |
| Shade Material | Glass |
| Water Resistance Level | Waterproof (IP68) |
| Connectivity Protocol | Proprietary (PLI) |
| Installation Type | Surface Mount |
| Warranty | 3 Year |

Image 2.1: Quick Reference Guide for SeaBlaze X2, showing key specifications and features.
3. Installation
The Lumitec SeaBlaze X2 is designed for surface mount installation and features a simple 3-wire hookup. Proper installation is crucial for the light's performance and longevity. It is recommended that installation be performed by a qualified marine technician.
3.1 Pre-Installation Checklist
- Ensure the boat's power is disconnected before starting installation.
- Verify that the mounting surface is clean, flat, and structurally sound.
- Confirm you have all necessary tools and materials, including marine-grade sealant.
3.2 Mounting Instructions
- Select a suitable mounting location on the transom or hull, ensuring it is below the waterline and allows for proper light projection.
- Drill a 0.5-inch (12.7 mm) diameter hole for the wiring harness. Refer to the dimensions diagram for precise measurements.
- Apply a marine-grade sealant around the drilled hole to ensure a watertight seal.
- Route the wiring harness through the drilled hole.
- Secure the light fixture to the mounting surface using appropriate marine-grade fasteners. Ensure the light is flush against the surface.

Image 3.1: Detailed dimensions diagram for the SeaBlaze X2 Underwater Light.
3.3 Wiring Instructions
The SeaBlaze X2 uses a 3-wire connection system. Connect the wires as follows:
- Red Wire: Positive (+) power connection.
- Black Wire: Negative (-) power connection.
- White Wire: Control wire for color changing and mode selection.
Ensure all connections are secure and properly insulated with marine-grade connectors and heat shrink tubing to prevent corrosion and water intrusion.
Video 3.1: Installation and wiring overview for the Lumitec SeaBlaze X2. This video demonstrates the wiring process and provides insights into the installation steps.
4. Operation
The Lumitec SeaBlaze X2 Underwater Light offers dual-color functionality (White/Blue) and can be controlled via a remote or a hardwired switch, utilizing Lumitec's Proprietary Light Interface (PLI) protocol.
4.1 Powering On/Off
To turn the light on or off, activate or deactivate the connected power switch. The light will retain its last selected color mode when powered off and on again.
4.2 Changing Color Modes
The SeaBlaze X2 allows you to switch between White and Blue illumination. This is typically achieved by toggling the power switch quickly. A brief power cycle (off-on) will advance the light to the next available color mode. Continue cycling the power to select your desired color.
4.3 Color Cycle Mode
Some models or configurations may feature a color cycle mode. To activate this, follow the specific instructions provided with your control system (e.g., repeated quick toggles of the power switch). This mode will smoothly transition through available colors.




5. Maintenance
Regular maintenance will ensure the optimal performance and longevity of your Lumitec SeaBlaze X2 Underwater Light.
5.1 Cleaning
- Periodically clean the lens of the light to remove marine growth, salt deposits, and other debris. Use a soft cloth and fresh water. Avoid abrasive cleaners or tools that could scratch the lens.
- For stubborn marine growth, use a mild, marine-safe cleaning solution.
5.2 Inspection
- Regularly inspect the light fixture and wiring for any signs of damage, corrosion, or wear.
- Check the integrity of the sealant around the mounting area to ensure it remains watertight. Reapply sealant if any cracks or deterioration are observed.
- Ensure all electrical connections are secure and free from corrosion.
6. Troubleshooting
If you encounter issues with your SeaBlaze X2 light, refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on | No power, faulty wiring, blown fuse/breaker | Check power supply, inspect wiring connections, replace fuse/reset breaker. |
| Light flickers or dims | Loose connection, insufficient voltage, water intrusion | Check all wiring connections, verify voltage at the light, inspect for water damage. |
| Cannot change color mode | Incorrect power cycling, control system issue | Ensure quick power toggles for mode changes. Consult your control system manual if using a separate controller. |
| Water inside the light fixture | Improper sealing during installation, damaged housing/lens | Immediately disconnect power. Inspect sealant and fixture for damage. Contact customer support for repair or replacement. |
If the problem persists after attempting these solutions, please contact Lumitec customer support.
7. Warranty Information
The Lumitec SeaBlaze X2 Underwater Light (Model 101516) is covered by a 3-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use and service.
The warranty does not cover damage resulting from improper installation, accident, abuse, misuse, natural disaster, or unauthorized repair or modification. For warranty claims, please retain your proof of purchase and contact Lumitec customer support.
8. Customer Support
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact Lumitec customer support through their official website or the contact information provided with your product packaging.
When contacting support, please have your product model number (101516) and proof of purchase readily available.
