1. Муқаддима
This manual provides essential information for the proper installation, operation, and maintenance of the SIMPLEX 4903-9149 Speaker Strobe. This device is designed for fire alarm and emergency signaling applications, combining an audible speaker with a visible 110 candela strobe light. Please read this manual thoroughly before proceeding with installation or use to ensure safety and optimal performance.
2. Маълумоти муҳим оид ба бехатарӣ
Adherence to the following safety guidelines is crucial for preventing injury, property damage, and ensuring the correct function of the device. Installation and servicing must be performed by qualified personnel only.
- Насбкунии касбӣ талаб карда мешавад: This device must be installed by a certified fire alarm technician in accordance with all local and national electrical and fire codes.
- Манбаи нерӯ: Ensure the power source is disconnected before installation or maintenance to prevent electrical shock. The device operates on 24 Volts DC.
- Ноқил: All wiring must comply with NFPA 70 (National Electrical Code) and NFPA 72 (National Fire Alarm and Signaling Code).
- Монтаж: Securely mount the device to a stable surface as specified in the installation instructions.
- Санҷиш: After installation, thoroughly test the device and the entire fire alarm system to confirm proper operation.
3. Маҳсулот ба охир расидview
The SIMPLEX 4903-9149 is a red, horizontal mount speaker strobe unit designed for clear audible and visible notification during emergency events. It features a speaker for voice messages or alarm tones and a high-intensity 110 candela strobe light for visual alerts.

Figure 1: SIMPLEX 4903-9149 Speaker Strobe unit.
Хусусиятҳои асосӣ:
- Integrated speaker and 110 candela strobe.
- Horizontal mounting orientation.
- Red finish for clear identification as a fire safety device.
- Designed for 24VDC operation.
4. Насб ва насб
This section outlines the general steps for installing the SIMPLEX 4903-9149 Speaker Strobe. Refer to the detailed installation sheets provided with the product for specific wiring diagrams and mounting templates.
4.1 Васлкунӣ
- Ҷойгирро интихоб кунед: Choose a suitable wall-mount location that meets local code requirements for visibility and audibility.
- Тайёр кардани сатҳи васлкунӣ: Ensure the mounting surface is clean, flat, and structurally sound to support the device.
- Install Back Box: Install the appropriate electrical back box (not included) according to manufacturer instructions and local codes.
- Дастгоҳи васлкунӣ: Secure the speaker strobe unit to the back box using the provided hardware, ensuring a snug and stable fit. The device is designed for horizontal mounting.
4.2 Ноқилҳо
- Хомӯш кардани барқ: Before making any electrical connections, ensure that all power to the fire alarm control panel and associated circuits is disconnected.
- Ноқилҳои масир: Route the necessary 24VDC power and audio signal wiring to the back box.
- Пайваст кардани симҳо: Connect the field wiring to the terminal block on the speaker strobe unit according to the wiring diagram provided in the product's specific installation instructions. Pay close attention to polarity.
- Тасдиқи пайвастҳо: Double-check all wiring connections for correctness and secure termination.
- Барқарор кардани қудрат: Once all connections are verified and the device is securely mounted, restore power to the system.
5. Амалиёт
The SIMPLEX 4903-9149 Speaker Strobe operates in conjunction with a compatible fire alarm control panel (FACP). Upon receiving an alarm signal from the FACP, the device will activate its audible speaker and visible strobe light simultaneously.
- Функсияи баландгӯяк: The speaker will broadcast pre-recorded voice messages or alarm tones as programmed by the FACP.
- Функсияи Strobe: The 110 candela strobe light will flash at a specified rate, providing a clear visual alert, especially important for individuals with hearing impairments or in noisy environments.
The device will continue to operate until the alarm condition is cleared and the FACP is reset.
6. Нигоҳдорӣ
Regular maintenance ensures the continued reliability and performance of your SIMPLEX 4903-9149 Speaker Strobe. All maintenance should be performed by qualified personnel.
- Санҷиши визуалӣ: Periodically inspect the device for any signs of physical damage, discoloration, or obstruction of the speaker grille or strobe lens.
- Тозакунӣ: Gently clean the exterior of the device, especially the strobe lens, with a soft, damp матоъ. Тозакунанда ё ҳалкунандаҳои абразивиро истифода набаред. Боварӣ ҳосил кунед, ки намӣ ба дастгоҳ дохил нашавад.
- Санҷиши функсионалӣ: Conduct periodic functional tests as required by local codes and NFPA 72. This typically involves activating the fire alarm system to verify that the speaker and strobe operate correctly.
- Сикли барқ: If the device appears to be malfunctioning, a power cycle (disconnecting and reconnecting power) may resolve minor issues. If problems persist, consult a qualified technician.
7. Баррасии мушкилот
If the SIMPLEX 4903-9149 Speaker Strobe is not functioning as expected, refer to the following troubleshooting guide. For complex issues, contact a qualified fire alarm technician.
| Мушкилот | Сабаби эҳтимолӣ | Ҳалли |
|---|---|---|
| Аз баландгӯяк садо нест |
|
|
| Strobe not flashing |
|
|
| Амалиёти фосилавӣ |
|
|
8. Мушаххасоти техникӣ
The following table provides key technical specifications for the SIMPLEX 4903-9149 Speaker Strobe.
| Мушаххасоти | Тафсилот |
|---|---|
| Рақами модел | 4903 9149 |
| Бренд | SIMPLEX |
| Ранги | Сурх |
| Шакл | Росткунҷа |
| Материал | Металл |
| Навъи анҷом | ранг карда шудааст |
| Манбаи нерӯ | Battery Powered (via FACP, not internal batteries) |
| Ҷилдиtage | 24 Вольт (ДС) |
| Навъи васлкунӣ | Монтажи деворӣ (уфуқӣ) |
| Шумораи манбаъҳои нур | 1 (Strobe) |
| Вазни ашё | 2 фунт |
| UPC | 647358696716 |
9. Кафолат ва дастгирӣ
SIMPLEX products are manufactured to high-quality standards. For specific warranty information, please refer to the documentation provided with your purchase or contact your authorized SIMPLEX distributor. Any repairs or servicing must be performed by authorized personnel to maintain warranty validity.
For technical support, product inquiries, or to locate an authorized service provider, please contact your SIMPLEX supplier or visit the official SIMPLEX website. When contacting support, please have your product model number (4903-9149) and purchase details readily available.





