1. المقدمة
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. معلومات السلامة
يجب عليك دائمًا مراعاة احتياطات السلامة التالية لمنع الإصابة أو الضرر:
- فصل الطاقة: Always turn off the power at the circuit breaker or fuse box before installing, removing, or servicing the bulb.
- التركيب المناسب: Ensure the fixture is designed for T5 fluorescent bulbs with a G5 bi-pin base and the specified wattagهـ (8 واط).
- التعامل معها بحذر: Fluorescent bulbs are made of glass and can break. Handle them carefully to avoid injury.
- تصرف: 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.
- للاستخدام الداخلي فقط: This bulb is intended for indoor use only.
- التوافق عكس الضوء: This bulb is dimmable. Ensure your dimmer switch and fixture are compatible with dimmable fluorescent lamps.
3. انتهى المنتجview
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.

الشكل 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. التثبيت
Follow these steps to install the fluorescent tube light bulb:
- إيقاف تشغيل الطاقة: Ensure the power supply to the fixture is completely off at the circuit breaker or fuse box before beginning installation.
- قم بإزالة المصباح القديم (إن وجد): If replacing an existing bulb, carefully twist and pull the old bulb from its sockets. Dispose of it properly.
- أدخل المصباح الجديد: 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.
- تحقق من الاتصال: Ensure the bulb is firmly seated in both lamp حاملي.
- اعادة الطاقة: Once the bulb is securely installed, restore power to the fixture from the circuit breaker or fuse box.
5. التشغيل
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. الصيانة
Minimal maintenance is required for this fluorescent bulb.
- تنظيف: 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.
- الاستبدال: 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. استكشاف الأخطاء وإصلاحها
If the bulb does not operate correctly, consider the following:
- المصباح لا يضيء:
- تأكد من أن مصدر الطاقة للتركيبات قيد التشغيل.
- Ensure the bulb is correctly seated in the lamp حاملي.
- 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.
- وميض:
- 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.
- مشاكل التعتيم:
- 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. المواصفات
| ميزة | التفاصيل |
|---|---|
| ماركة | ليدفانس (سيلفانيا) |
| رقم الموديل | 20819 |
| نوع المصباح | أنبوب الفلورسنت T5 |
| واتtage | 8 واط |
| المجلدtage | 120 فولت |
| نوع القاعدة | G5 ثنائي الدبابيس |
| الطول (مول) | 12 بوصة |
| سطوع | 400 لومن |
| درجة حرارة اللون | 3000 كلفن (أبيض دافئ) |
| ينهي | مثلج |
| قابلة للتعتيم | نعم |
| حياة | 7,500 ساعات |
| مصدر الطاقة | تيار متردد/تيار مستمر |
| الاستخدام | للاستخدام الداخلي فقط |
9. الضمان والدعم
For warranty information and customer support, please refer to the details below:
وصف الضمان: 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 webالموقع أو اتصل بتاجر التجزئة الخاص بك.





