1. Introduction
This manual provides instructions for the safe and efficient use of your Barrina TX72 4FT Grow Light. This 72W LED grow light is designed to provide a 5000K daylight full spectrum, suitable for various stages of indoor plant development, including seed starting, leafy growth, and flowering.
Please read all instructions carefully before installation and operation to ensure proper function and safety.
2. Safety Information
- Ensure the power supply matches the light's voltage requirements (120V AC).
- Do not operate the light in wet or damp conditions. This product is not water resistant.
- Disconnect power before installation, cleaning, or maintenance.
- Do not stare directly into the LED lights when illuminated.
- Keep out of reach of children.
- Ensure proper ventilation around the light fixture to prevent overheating.
3. What's in the Box
The Barrina TX72 4FT Grow Light package includes the following components:
- 1 x Barrina TX72 4FT Grow Light
- 1 x On/Off Switch Power Cord (57 inches)
- 1 x User Manual
- Accessories Package (Lifting Chains, Hooks, Cable Ties, Mounting Clips, Screws, Wall Anchors)
Figure 3.1: Package Contents
4. Specifications
| Model Name | TX-72 |
| Wattage | 72W |
| Light Color | 5000K Daylight Full Spectrum (380nm-780nm) |
| Light Output | 7900 Lumens |
| PPFD (at 3.94") | 543.51 µmol/m²/s |
| CRI | 97+ |
| Product Dimensions | 46.46"L x 4.92"W x 2.17"H |
| Material | Aluminum and PC |
| Power Source | AC 120V |
| Indoor/Outdoor Usage | Indoor Use Only |
Figure 4.1: 5000K Daylight Full Spectrum Output
5. Setup and Installation
The Barrina TX72 grow light offers multiple installation options to suit various setups. Ensure the mounting surface is sturdy enough to support the light fixture.
5.1 Installation Methods
Choose from suspended mounting, surface mounting, or cable tie mounting using the provided accessories.
Figure 5.1: Installation Methods
- Suspended Mounting: Use the provided chains and hooks to hang the light from a ceiling or shelf.
- Surface Mounting: Secure the mounting clips to a flat surface with screws, then snap the light fixture into the clips.
- Cable Tie Mounting: Use cable ties to attach the light to a frame or rack.
5.2 Linking Multiple Lights (Daisy Chain)
The TX72 grow light supports daisy chaining, allowing you to connect up to 4 lights in series using the provided linkable cords. This feature provides comprehensive light coverage for larger areas.
Figure 5.2: Daisy Chain Connection
To link lights:
- Ensure all lights are unplugged from the power source.
- Connect the output end of one light to the input end of the next light using the provided linkable cord.
- Plug the first light's power cord into an electrical outlet.
5.3 Installation Video
Video 5.1: How to install Barrina TX72 4FT Grow Light for Indoor Plants. This video demonstrates the various installation methods for the grow light.
6. Operating Instructions
6.1 Power On/Off
Each Barrina TX72 grow light is equipped with an individual on/off switch on its power cord for convenient control.
Video 6.1: Barrina TX72 4FT Grow Light Overview. This video demonstrates the light in operation and its features.
6.2 Recommended Usage for Plant Growth
The 5000K daylight full spectrum is suitable for all stages of plant development. Adjust the light distance, humidity, temperature, and lighting duration according to the specific needs of your plants.
Figure 6.1: Growth Process Suggestions
Light Distance: The light provides a PPFD of 543.51 µmol/m²/s at a distance of 3.94 inches. Adjust the distance based on plant stage and light intensity requirements. Refer to Figure 6.2 for PPFD values at different distances.
Figure 6.2: High PPFD of a Single Light
7. Maintenance
- Cleaning: Ensure the light is unplugged and cool before cleaning. Use a soft, dry cloth to wipe the fixture. Do not use liquid cleaners or abrasive materials.
- Heat Dissipation: The aluminum housing is designed for heat dissipation. Ensure the light is not obstructed to maintain airflow and extend LED lifespan.
- Storage: If storing the light for an extended period, disconnect it from power, clean it, and store it in a dry, cool place.
Figure 7.1: Aluminum Housing for Heat Dissipation
8. Troubleshooting
| Problem | Possible Cause | Solution |
| Light does not turn on. | No power, loose connection, faulty switch. | Check power outlet, ensure all connections are secure, verify switch is in 'On' position. |
| Light flickers. | Unstable power supply, loose connection. | Ensure stable power, check connections. |
| Plants are not growing as expected. | Incorrect light distance, duration, or environmental factors. | Refer to Section 6.2 for recommended usage. Adjust light distance, duration, humidity, and temperature as needed. |
9. Warranty and Support
The Barrina TX72 Grow Light comes with a limited warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, replacement parts, or any inquiries, please contact Barrina customer service through the official website or your retailer.
10. Product Application Examples
The Barrina TX72 grow light is suitable for various indoor growing environments, including plant grow tents, shelves, hydroponic rooms, kitchens, and windowsills.
Figure 10.1: Indoor Growing Setup Example