1. Вступ
This manual provides essential information for the proper installation, operation, and maintenance of the Notifier LEM-320 Loop Expander Module. The LEM-320 is designed to expand the capacity of compatible fire alarm control panels by providing additional Signaling Line Circuits (SLCs).
2. Інформація про безпеку
Always observe the following safety precautions during installation, operation, and maintenance of the LEM-320 module:
- Встановлення має виконуватися кваліфікованим персоналом відповідно до всіх місцевих та національних електротехнічних норм.
- Disconnect all power sources before installing or servicing the module.
- Handle electronic components with care to prevent electrostatic discharge (ESD) damage.
- Забезпечте належне заземлення, щоб запобігти небезпеці ураження електричним струмом.
- Refer to the main fire alarm control panel manual for system-specific safety instructions.
3. Продукт закінчивсяview
The Notifier LEM-320 is a Loop Expander Module designed to interface with a compatible Loop Control Module (LCM-320) to extend the system's capacity for addressable devices. It functions as a daughter board, providing additional even-numbered Signaling Line Circuits (SLCs) to the fire alarm control panel.

малюнок 3.1: Топ view of the Notifier LEM-320 Loop Expander Module, showing various integrated circuits and components.

малюнок 3.2: Під кутом view of the Notifier LEM-320 module, highlighting the component layout and connection points.

малюнок 3.3: Дно view of the Notifier LEM-320 module, showing the circuit board traces and mounting points.
4. Монтаж
The LEM-320 module is designed to be mounted as a daughter board onto a compatible Notifier LCM-320 Loop Control Module. Follow these steps for proper installation:
- Приготування: Ensure all power to the fire alarm control panel is disconnected. Refer to the LCM-320 manual for specific power-down procedures.
- Визначте місце монтажу: Identify the designated mounting headers on the LCM-320 board for the LEM-320 daughter board.
- Align Module: Carefully align the connectors on the LEM-320 with the corresponding headers on the LCM-320. Ensure correct orientation to prevent damage.
- Безпечний модуль: Gently press the LEM-320 into place until it is firmly seated. Use any provided standoffs or screws to secure the module to the LCM-320, if applicable.
- Перевірте підключення: Double-check that all connections are secure and that the module is properly seated.
- Потужність: Restore power to the fire alarm control panel according to the manufacturer's instructions.
- Конфігурація системи: Configure the fire alarm control panel to recognize the newly installed LEM-320 module and its associated SLCs. Refer to the control panel's programming manual for detailed instructions.
Примітка: Improper installation can lead to system malfunction or damage. Always consult the specific documentation for the LCM-320 and the main fire alarm control panel.
5. Операція
The Notifier LEM-320 Loop Expander Module operates as an integral part of the fire alarm control panel system. Once properly installed and configured with the LCM-320, it extends the system's capacity by providing additional Signaling Line Circuits (SLCs).
- SLC Expansion: The LEM-320 enables the connection of more addressable fire alarm devices (e.g., smoke detectors, heat detectors, manual pull stations, monitor modules) to the system.
- Зв'язок: It facilitates communication between the connected SLC devices and the main fire alarm control panel via the LCM-320.
- Системна інтеграція: The module's operation is fully integrated with the control panel's software, allowing for centralized monitoring and control of all connected devices.
No direct user interaction is typically required with the LEM-320 module itself after initial installation and system configuration. Its function is to provide the necessary hardware expansion for the fire alarm system.
6. Технічне обслуговування
The Notifier LEM-320 module is designed for reliable, long-term operation with minimal maintenance. However, periodic inspection and adherence to general electronic component care practices are recommended:
- Візуальний огляд: Periodically inspect the module for any signs of physical damage, loose connections, or excessive dust accumulation.
- Прибирання: If necessary, gently clean the module using a soft, dry, lint-free cloth. Avoid using liquids or abrasive cleaners. Ensure power is disconnected before cleaning.
- Умови навколишнього середовища: Ensure the module operates within the specified environmental conditions (temperature, humidity) of the fire alarm control panel enclosure.
- Тестування системи: Regular testing of the entire fire alarm system, including all connected SLC devices, should be performed by qualified technicians as per local codes and manufacturer guidelines.
Увага: Do not attempt to repair the module yourself. Refer all servicing to qualified Notifier service personnel.
7. Вирішення проблем
If the fire alarm system experiences issues related to SLC communication or device recognition after the LEM-320 installation, consider the following troubleshooting steps:
- Перевірка живлення: Verify that the fire alarm control panel has stable power and that the LCM-320 is powered correctly.
- Розміщення місць у модулі: Ensure the LEM-320 is securely seated on the LCM-320's connectors. Re-seat the module if necessary (with power disconnected).
- Цілісність проводки: Check the wiring of all SLC devices connected to the expanded loops for shorts, opens, or incorrect connections.
- Конфігурація системи: Confirm that the fire alarm control panel's programming correctly recognizes the LEM-320 and the expanded SLCs. Verify device addressing.
- Світлодіодні індикатори: Observe any diagnostic LEDs on the LCM-320 or the main control panel for error codes or status indications. Refer to the respective manuals for interpretation.
- Зверніться до посібників: Always refer to the specific troubleshooting sections of the LCM-320 manual and the main fire alarm control panel manual for detailed diagnostic procedures.
If issues persist, contact Notifier technical support or a certified fire alarm technician.
8. Технічні характеристики
| Особливість | Деталь |
|---|---|
| Номер моделі | LEM-320 (Part Number: NLEM320) |
| Виробник | ВІДПОВІДИТЕЛЬ |
| функція | Loop Expander Module for LCM-320 |
| Монтаж | Daughter board to LCM-320 |
| Вага товару | 2 фунта |
| Потрібні батареї | немає |
| Батарейки в комплекті | немає |
| Кількість упаковки | 1 |
9. Гарантія та підтримка
For warranty information regarding the Notifier LEM-320 Loop Expander Module, please refer to the official Notifier warranty statement provided with your product or available on the Notifier webсайт. Гарантійні умови зазвичай поширюються на дефекти матеріалів та виготовлення за умов нормального використання.
For technical support, service, or to report issues, please contact your authorized Notifier distributor or Notifier technical support directly. Ensure you have your product model number (LEM-320) and any relevant system information ready when contacting support.
Notifier Contact Information:
Please visit the official Notifier webсайт для отримання найактуальнішої контактної інформації та ресурсів підтримки. www.notifier.com





