1. مقدمه
This manual provides essential instructions for the safe installation, operation, and maintenance of your LEDVANCE Sylvania 20819 T5 Fluorescent Tube Light Bulb. Please read this manual thoroughly before installation and retain it for future reference.
2. اطلاعات ایمنی
برای جلوگیری از آسیب یا خسارت، همیشه نکات ایمنی زیر را رعایت کنید:
- قطع برق: Always turn off the power at the circuit breaker or fuse box before installing, removing, or servicing the bulb.
- فیکسچر مناسب: Ensure the fixture is designed for T5 fluorescent bulbs with a G5 bi-pin base and the specified wattage (8 وات).
- با احتیاط رفتار کنید: Fluorescent bulbs are made of glass and can break. Handle them carefully to avoid injury.
- دفع: Dispose of used fluorescent bulbs according to local regulations, as they may contain small amounts of mercury. Do not dispose of in regular household waste.
- فقط استفاده در فضای داخلی: This bulb is intended for indoor use only.
- سازگاری کم نور: This bulb is dimmable. Ensure your dimmer switch and fixture are compatible with dimmable fluorescent lamps.
3. محصول تمام شدview
The LEDVANCE Sylvania 20819 is an 8-watt, 12-inch (MOL) T5 fluorescent tube light bulb featuring a G5 bi-pin base. It provides 400 lumens of warm white light at a 3000K color temperature with a frosted finish. This bulb is designed for general illumination in compatible fixtures.

شکل 1: Sylvania 20819 T5 Fluorescent Tube Light Bulb. This image shows the clear glass tube and the silver-colored G5 bi-pin base with two gold-colored pins at one end.
4. نصب و راه اندازی
Follow these steps to install the fluorescent tube light bulb:
- خاموش کردن برق: Ensure the power supply to the fixture is completely off at the circuit breaker or fuse box before beginning installation.
- لامپ قدیمی را بردارید (در صورت وجود): If replacing an existing bulb, carefully twist and pull the old bulb from its sockets. Dispose of it properly.
- درج لامپ جدید: Align the two pins of the G5 bi-pin base with the slots in the fixture's lamp holders. Gently push the bulb into the sockets until it clicks securely into place. Do not force the bulb.
- تأیید اتصال: Ensure the bulb is firmly seated in both lamp دارندگان
- بازیابی برق: پس از نصب ایمن لامپ، برق را از طریق قطع کننده مدار یا جعبه فیوز به لامپ وصل کنید.
5. عملیات
After installation, the bulb is ready for operation. Use the fixture's switch to turn the light on and off. If connected to a compatible dimmer, adjust the light output as desired.
6. تعمیر و نگهداری
Minimal maintenance is required for this fluorescent bulb.
- تمیز کردن: Ensure the power is off before cleaning. Wipe the bulb gently with a soft, dry, lint-free cloth. Do not use liquid cleaners or abrasive materials.
- جایگزینی: Replace the bulb when it reaches the end of its operational life (approximately 7,500 hours) or if it shows signs of failure (e.g., flickering, dimming, blackening ends).
7 عیب یابی
If the bulb does not operate correctly, consider the following:
- لامپ روشن نمیشود:
- بررسی کنید که آیا منبع تغذیه دستگاه روشن است یا خیر.
- مطمئن شوید که لامپ به درستی در جای خود قرار گرفته استamp دارندگان
- Inspect the bulb for visible damage (e.g., broken glass, loose pins).
- Test with a known working bulb in the same fixture, or test this bulb in a known working fixture, to determine if the issue is with the bulb or the fixture/ballast.
- سوسو زدن:
- Flickering can occur at the end of a fluorescent bulb's life. Replace the bulb if it is old.
- Ensure the bulb is fully seated.
- Check for proper ballast operation in the fixture.
- مسائل کم نور:
- Confirm that both the bulb and the dimmer switch are compatible with dimmable fluorescent lamps.
- Ensure the dimmer switch is functioning correctly.
If problems persist after troubleshooting, contact customer support.
8. مشخصات
| ویژگی | جزئیات |
|---|---|
| نام تجاری | لد ونس (سیلوانیا) |
| شماره مدل | 20819 |
| نوع لامپ | لوله فلورسنت T5 |
| واتtage | 8 وات |
| جلدtage | 120 ولت |
| نوع پایه | G5 دو پین |
| طول (MOL) | 12 اینچ |
| روشنایی | 400 لومن |
| دمای رنگ | 3000 کلوین (سفید گرم) |
| پایان | یخ زده |
| کم نور | بله |
| طول عمر | 7,500 ساعت |
| منبع تغذیه | AC/DC |
| استفاده | فقط استفاده در فضای داخلی |
9. گارانتی و پشتیبانی
برای اطلاعات گارانتی و پشتیبانی مشتری، لطفاً به جزئیات زیر مراجعه کنید:
توضیحات گارانتی: For US & Canadian customer questions or support, please call us at 1-800-LIGHTBULB (1-800-544-4828).
For further assistance, you may also visit the official LEDVANCE webسایت یا با فروشنده خود تماس بگیرید.





