Introduction
This manual provides essential information for the safe and efficient use of your LEDVANCE 24" T8 Extended Performance Linear Fluorescent Lamp, Model 21907. This lamp is designed for extended life and high performance, offering improved color rendition and energy efficiency when paired with compatible electronic instant start ballasts.
Key features include:
- Longer life on programmed rapid start ballasts.
- Rated life of up to 40,000 hours.
- Optimized for energy savings with high efficiency electronic instant start ballasts.
- Lead-free construction.
- TCLP and RoHS3 compliant.
Figure 1: LEDVANCE 24" T8 Extended Performance Linear Fluorescent Lamp.
This image displays the linear fluorescent lamp, highlighting its standard tubular shape and bi-pin base. The lamp is white with clear glass, typical of a T8 fluorescent tube.
Safety Information
Read all instructions carefully before installation and use. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- WARNING: Risk of Electric Shock. Always disconnect power at the circuit breaker or fuse box before installing or replacing lamps.
- Ensure the lamp is cool before handling.
- Do not use if the lamp is cracked or damaged.
- This lamp is designed for use in compatible T8 fluorescent fixtures with G12 medium bi-pin bases. Verify fixture compatibility before installation.
- Do not use with incompatible dimmers or ballasts. This lamp is dimmable, but requires a compatible dimming ballast.
- Dispose of fluorescent lamps according to local regulations. Fluorescent lamps contain small amounts of mercury and should not be discarded in regular household waste.
- For indoor use only.
Package Contents
Your package contains the following item:
- One (1) LEDVANCE 24" T8 Extended Performance Linear Fluorescent Lamp (Model 21907)
Setup and Installation
Follow these steps to safely install your fluorescent lamp:
- Turn off Power: Locate the circuit breaker or fuse box that controls the power to the light fixture. Turn off the power completely to prevent electric shock.
- Access Fixture: If necessary, remove any diffusers or covers from the fluorescent light fixture to access the existing lamp(s).
- Remove Old Lamp (if applicable): Carefully rotate the existing fluorescent lamp 90 degrees (a quarter turn) to disengage the pins from the lampholders. Gently pull the lamp out of the fixture. Dispose of the old lamp responsibly according to local regulations.
- Insert New Lamp: Align the bi-pin ends of the new LEDVANCE T8 lamp with the slots in the lampholders. Push the lamp firmly into the lampholders until the pins are fully seated.
- Rotate Lamp: Rotate the lamp 90 degrees (a quarter turn) until it locks securely into place. Ensure both ends of the lamp are firmly seated and making good electrical contact.
- Replace Cover: If a diffuser or cover was removed, carefully replace it.
- Restore Power: Turn the power back on at the circuit breaker or fuse box.
- Test: Turn on the light switch to verify the lamp is functioning correctly.
If the lamp does not light, ensure it is properly seated and power is restored. Refer to the Troubleshooting section for further assistance.
Operating Instructions
The LEDVANCE T8 fluorescent lamp operates like a standard fluorescent tube once installed in a compatible fixture.
- Turning On/Off: Use the wall switch or fixture switch to turn the lamp on or off.
- Dimming: This lamp is dimmable. To utilize the dimming feature, it must be installed in a fixture equipped with a compatible dimming ballast and connected to an appropriate dimmer switch. Refer to your fixture and dimmer instructions for specific dimming operation.
- Warm-up Time: Fluorescent lamps may require a brief warm-up period to reach full brightness, especially in cooler environments.
Maintenance
Proper maintenance ensures optimal performance and longevity of your lamp.
- Cleaning: Ensure power is off and the lamp is cool before cleaning. Gently wipe the lamp with a soft, dry, or slightly damp cloth. Do not use abrasive cleaners or solvents.
- Replacement: Replace the lamp when it reaches the end of its useful life (indicated by flickering, dimming, or failure to light). Always replace with a lamp of the same type and wattage for best performance.
- Disposal: Fluorescent lamps contain small amounts of mercury. Do not dispose of them in regular trash. Contact your local waste management authority for proper recycling or disposal instructions.
Troubleshooting
If your LEDVANCE T8 lamp is not functioning as expected, consult the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| Lamp does not light. | No power to fixture. | Check circuit breaker/fuse. Ensure wall switch is on. |
| Lamp does not light. | Lamp not properly seated. | Turn off power, re-seat lamp firmly in lampholders. |
| Lamp does not light. | Defective lamp or ballast. | Try a known good lamp. If problem persists, the ballast may need replacement by a qualified electrician. |
| Lamp flickers or is dim. | Lamp nearing end of life. | Replace the lamp. |
| Lamp flickers or is dim. | Incompatible dimmer or ballast. | Ensure fixture and dimmer are compatible with dimmable T8 fluorescent lamps. |
| Lamp makes buzzing noise. | Ballast issue. | Consult a qualified electrician. |
Specifications
Figure 2: Energy Efficiency Product Fiche. This image provides detailed energy consumption and performance data for the lamp.
| Feature | Detail |
|---|---|
| Brand | LEDVANCE |
| Model Name | SYLVANIA Extended Performance 24" 17W T8 Linear Fluorescent Lamp, 4100K Cool White, Dimmable, 1 pack |
| Model Number | 21907 |
| Light Type | Fluorescent |
| Bulb Shape Size | T8 |
| Bulb Base | G12 Medium Bi-pin |
| Wattage | 17 Watts |
| Incandescent Equivalent Wattage | 92 Watts |
| Brightness | 1375 Lumens |
| Color Temperature | 4100 Kelvin (Cool White) |
| Color Rendering Index (CRI) | 85 |
| Dimmable | Yes (requires compatible dimming ballast) |
| Average Life | Up to 40,000 Hours |
| Voltage | 100 to 240 Volts (50-60 Hertz) |
| Material | Glass |
| Indoor/Outdoor Usage | Indoor |
| Item Weight | 4.3 ounces |
| Package Dimensions | 24.75 x 5.44 x 3.81 inches |
| Compliance | TCLP and RoHS3 compliant, Lead-free |
Warranty Information
This LEDVANCE product is covered by a 2-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, accident, misuse, abuse, or unauthorized modification.
For warranty claims, please retain your proof of purchase and contact LEDVANCE customer support.
Support
For technical assistance, product information, or warranty inquiries, please visit the official LEDVANCE website or contact their customer service department. Contact details can typically be found on the product packaging or the brand's official website.
You can find more information about LEDVANCE products by visiting the LEDVANCE Store on Amazon.
