

Smaller, lighter design reduces light interception.
Cooler fixture with Venturi cooling effect.
Controllable far-red with wireless connectivity.
Key Information
- Enhanced Efficiency: Zenith-Series LED Toplight reduces light interception, optimizing greenhouse productivity. Its unique shape seamlessly integrates under climate screens, minimizing light obstruction for increased yield potential and reduced power consumption.
- Advanced Cooling: Utilizing the Venturi effect, Zenith-Series ensures superior heat dissipation, maintaining optimal LED temperatures for heightened efficacy and extended fixture lifespan. Efforts to enhance cooling fins and surface area result in up to 30% more efficient heat transfer.
- Flexible Control: With wireless dimming capabilities, Zenith-Series empowers growers to tailor lighting solutions to their needs. Easily integrated into multi-zone mesh networks, fixtures offer seamless connectivity to greenhouse computers, enabling precise control over spectra and dimming preferences.
Downloads
Cooler
Wireless
Venturi Effect
Derived from the APEX, Zenith boasts superior cooling through the Venturi effect. Efforts to enhance cooling fins and surface area result in up to 30% more efficient heat transfer, lowering LED temperature for increased efficacy and fixture longevity.
Dimming and control
Zenith fixtures offer dimmability through wireless DLI multi-group dongles, effortlessly connecting to multi-zone mesh networks. Growers can customize groups as desired, with seamless integration into greenhouse computers. No expensive cabling or panel modifications are necessary for installation.


Flexible Control Options
Empowering Growers with Wireless Connectivity
DLI’s Zenith-Series offers growers unparalleled control and flexibility through its wireless dimming capabilities. Utilizing the DLI multi-group dongles, fixtures seamlessly integrate into multi-zone mesh networks, enabling growers to tailor lighting solutions to their specific needs. With no costly modifications required, the wireless system effortlessly connects to greenhouse computers, facilitating streamlined management. Whether opting for single-channel or dual-channel variants, growers can easily adjust spectra and dimming preferences to optimize crop growth and development.
Optimized Design for Enhanced Efficiency
Minimizing Light Interception
The Zenith-Series LED Toplight by DLI boasts a compact and lightweight design, meticulously crafted to reduce light interception in greenhouse environments. Leveraging the natural power of sunlight, this innovative fixture is engineered to enhance efficiency by maximizing the utilization of available light. Its unique shape allows seamless integration under climate screens, fostering a synergy that minimizes total light interception. Each percentage of additional sunlight gained translates into reduced power consumption and increased yield potential.
Advanced Cooling Technology
Utilizing the Venturi Effect
Building upon the success of the APEX fixture, the Zenith-Series incorporates cutting-edge cooling technology to maintain optimal operating conditions. Through the implementation of the Venturi effect, this fixture stands out as a market leader in efficient cooling solutions. Extensive efforts have been dedicated to elevating cooling capabilities, with modifications to cooling fins and increased surface area enhancing the Venturi effect. As a result, up to 30% more heat is efficiently dissipated, leading to lower LED temperatures, heightened efficacy, and an extended fixture lifespan.
Technical Specifications
Output µmol/s | up to 4250 |
Beam Angle | 120° - 140° |
Power | up to 1170W |
Voltage Range | 208V - 400V |
Efficiency µmol/J | up to 3.8 |
Dimming | 20% - 100% |
IP Rating | IP65 |
Product Dimensions | 38.6 x 8.3 x 5.1 inch / 98 x 21 x 13 cm |
Product Weight | 26.5 lb / 12 kg |
Certifications | CE, CSA |
Country of Origin | The Netherlands |
Warranty | 5 Years |
FAQs
Is the DLI ZENITH-Series LED Toplight Dimmable?
Yes, the DLI ZENITH-Series LED Toplight is dimmable, from 20% to 100%