Kirish
This manual provides essential information for the safe and efficient operation, installation, and maintenance of the Notifier DAA2-5025 Digital Amplifier. The DAA2-5025 is a 50W, 25V digital amplifier designed for integration into fire alarm and emergency communication systems, operating on 120 VAC. Please read this manual thoroughly before installation or operation.
Xavfsizlik ma'lumotlari
OGOHLANTIRISH: This device operates with high voltage (120 VAC). Installation and servicing must be performed by qualified personnel only. Disconnect all power sources before servicing to prevent electric shock.
DIQQAT: To reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture. Do not open the enclosure; there are no user-serviceable parts inside. Refer all servicing to qualified service personnel.
- Har doim mahalliy va milliy elektr qoidalariga rioya qiling.
- Jihozning to'g'ri erga ulanganligiga ishonch hosil qiling.
- Shamollatish teshiklarini to'smang.
- Faqat belgilangan zaxira qismlardan foydalaning.
O'rnatish va o'rnatish
The DAA2-5025 is designed for surface mount installation within a compatible enclosure. Ensure the mounting location is dry, well-ventilated, and free from excessive dust or vibration.
O'rnatish Amphayotiyroq
- Identify a suitable mounting surface that can support the unit's weight (approximately 2 pounds).
- ni xavfsiz qiling amplifier's mounting plate to the surface using appropriate fasteners.
- Shamollatish va simli terminallarga kirish uchun jihoz atrofida etarli bo'shliqni ta'minlang.
Elektr aloqalari
Before making any electrical connections, ensure all power is disconnected at the circuit breaker.
- Kirish quvvati: Connect the 120 VAC power supply to the designated terminals. Observe correct polarity (Line, Neutral, Ground).
- Ovoz chiqishi: Connect the 25V audio output to the speaker lines or distribution system. Ensure correct impedance matching.
- Control Inputs/Outputs: Connect any necessary control signals (e.g., activation, supervision) as per system design. Refer to the system's specific wiring diagrams.

Figure 1: The Notifier DAA2-5025 Digital Amplifier, showing the main circuit board, power supply unit, and various connection points. This view highlights the internal components and robust construction.

Figure 2: The Notifier DAA2-5025 Digital Amplifier along with its accessory components, as typically received in its packaging. This image provides a view of the complete product and included parts before installation.
Foydalanish bo'yicha ko'rsatmalar
The DAA2-5025 operates as part of a larger fire alarm or emergency communication system. Its operation is typically controlled by the main system panel.
- Yoqilgan: Once all connections are secure and verified, apply 120 VAC power to the unit. The amplifier will perform a self-test.
- Holat ko'rsatkichlari: Observe the status LEDs on the unit (if present) for normal operation, fault conditions, or active signals. Refer to the system's specific documentation for LED indicator meanings.
- Ovoz chiqishi: The amplifier will output audio signals (e.g., voice messages, tones) when activated by the control panel. Ensure speaker lines are properly connected and terminated.
- Nazorat: The DAA2-5025 typically includes supervision circuits to monitor speaker lines and amplifier status, reporting any faults back to the main control panel.
Xizmat
The Notifier DAA2-5025 is designed for reliable, long-term operation with minimal maintenance. However, periodic inspection is recommended.
- Yillik tekshiruv: Visually inspect the unit for any signs of damage, loose connections, or excessive dust accumulation.
- Tozalash: If necessary, gently clean the exterior of the unit with a soft, dry cloth. Do not use liquid cleaners or solvents. Ensure power is off before cleaning.
- Dasturiy ta'minotni yangilash: Any firmware updates should only be performed by qualified Notifier service technicians.
- Batareya zaxirasi (agar mavjud bo'lsa): If the system utilizes a battery backup for the amplifier, ensure batteries are inspected and replaced according to manufacturer recommendations.
Muammolarni bartaraf qilish; nosozliklarni TUZATISH
Before attempting any troubleshooting, ensure all power is disconnected. If the issue persists after basic checks, contact qualified service personnel.
| Muammo | Mumkin sabab | Yechim |
|---|---|---|
| No Power/Unit Off | No 120 VAC input; Blown fuse; Internal fault. | Check power supply and circuit breaker. Verify fuse (if accessible and user-replaceable). Contact service if power is present but unit remains off. |
| Ovoz chiqishi yo'q | Incorrect wiring; Speaker line fault; Amplifier fault; No audio signal from control panel. | Verify speaker wiring and connections. Check speaker line impedance. Confirm audio signal from control panel. Check amplifier status indicators. |
| Fault Indicator Active | Speaker line open/short; Amplifier internal fault; Power supply issue. | Inspect speaker lines for damage. Consult system documentation for specific fault codes. Contact service for internal faults. |
Texnik xususiyatlari
| Atribut | Tafsilot |
|---|---|
| Model | DAA2-5025 |
| Brend | Xabar beruvchi |
| Tavsif | Raqamli Amplifier, 50W, 25V, 120 VAC |
| Chiqish quvvati | 50 vatt |
| Chiqish hajmitage | 25 volt |
| Kirish hajmitage | 120 VAC |
| O'rnatish turi | Yuzaki o'rnatish |
| Element og'irligi | 2 funt (0.91 kg) |
| ASIN | B07B66SSRY |
| UPC | 670875920132 |
| Birinchi mavjud sana | 24 yil 2016 may |
| Ishlab chiqaruvchi | XABAR |
Kafolat haqida ma'lumot
Notifier products typically come with a manufacturer's limited warranty covering defects in materials and workmanship. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact Notifier customer support. Keep your proof of purchase for warranty claims.
Mijozlarni qo‘llab-quvvatlash
For technical assistance, troubleshooting beyond this manual, or information on replacement parts, please contact Notifier customer support or your authorized Notifier distributor. You can find contact information on the official Notifier website or through your system installer.
Onlayn manbalar: Rasmiy xabarnoma beruvchiga tashrif buyuring website for product documentation, FAQs, and support contacts.





