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Welcome to the Aiphone LEF-5 Open Voice Selective Call Master Intercom user manual. This document provides detailed instructions for the proper installation, operation, and maintenance of your intercom system. Please read this manual thoroughly before using the product to ensure optimal performance and safety.
Що в коробці?
- Aiphone LEF-5 Master Intercom Unit
- Монтажне обладнання
- Інструкція з експлуатації (цей документ)
Продукт закінченийview
The Aiphone LEF-5 is a master intercom unit designed for selective calling and communication within a building, capable of connecting with up to five other intercoms (door, sub-master, or master units). It features a door-release button for remote access control.

Зображення 1: Фронт view of the Aiphone LEF-5 Master Intercom. The unit features a large speaker grille at the top. Below the speaker, there are five numbered call buttons (L1, L2, 3, 4, 5) with an 'OFF' indicator. A volume slider labeled 'VOL' is located on the left side of the control panel. An 'OCCUPIED' indicator is centrally located. On the right, there are three push buttons: 'LOCK' for door release, 'PRIV' for privacy, and 'TALK' for communication, with a 'CALL' indicator above the 'PRIV' button.
Налаштування
Монтаж
The LEF-5 master intercom can be mounted on a desktop or wall. Use the provided mounting hardware to secure the unit in your desired location. Ensure the mounting surface is stable and allows for proper cable routing.
Електропроводка
The LEF-5 requires hardwired connections to other intercom units and a power supply. Each intercom in the system must be connected to an Aiphone RY-PA relay (sold separately) to enable door access control (e.g., electric strike) and integration with other devices like CCTV cameras or lights.
- Домофонні підключення: Connect the LEF-5 to Aiphone LAF and LEF Series master intercoms or LA, LE, and LS Series door and sub-master intercoms. Refer to the wiring diagrams provided with your specific system components for correct connections.
- Door Strike Connection: An Aiphone RY-PA relay (sold separately) is required to connect an electric strike (sold separately) for remote door access control.
Джерело живлення
The system is powered by a 12V power supply. An Aiphone PS-1225UL 12V power supply (sold separately) is recommended. Ensure the power supply is correctly connected according to the wiring instructions before operation.
Інструкція з експлуатації
Здійснення дзвінка
- Identify the desired intercom unit (door, sub-master, or master) you wish to call.
- Press the corresponding numbered button (L1, L2, 3, 4, or 5) on the LEF-5 unit. An LED indicator above the button will illuminate.
- Натисніть і утримуйте ПОГОВОРИТИ button to speak. Release the ПОГОВОРИТИ кнопку, щоб прослухати відповідь.
Отримання дзвінка
When a call is received from a sub-master intercom, a momentary chime will sound, and the corresponding LED indicator above the selectable call button will illuminate for approximately 20 seconds.
- To respond, press and hold the ПОГОВОРИТИ кнопку.
- Відпустіть ПОГОВОРИТИ button to listen to the other party.
Двосторонній зв'язок
The LEF-5 operates on a push-to-talk, release-to-listen principle. Depressing the ПОГОВОРИТИ button allows you to transmit audio, and releasing it allows you to receive audio from the connected intercom.
Door Release Function
To remotely unlock a door connected to the system (requires Aiphone RY-PA relay and electric strike), press the ЗАМОК button during a conversation with the door intercom.
Функція конфіденційності
Натисніть ПРИВ (Privacy) button to prevent other intercom users within the system from overhearing your conversation with another intercom unit.
Listening Function
At any time, you can listen to audio transmissions from a specified door or sub-master intercom. Select the desired intercom using its numbered button, then activate the listening feature (specific activation method may vary, refer to system wiring for details).
Регулювання гучності
Відрегулюйте гучність звуку за допомогою VOL slider control located on the front panel.
Вимкнути дзвінок
To silence the master intercom's chime alerts for incoming calls, slide the 'OFF' switch to the 'OFF' position.
Технічне обслуговування
To ensure the longevity and proper functioning of your Aiphone LEF-5 intercom, follow these simple maintenance guidelines:
- Прибирання: Use a soft, dry cloth to clean the exterior of the unit. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish.
- Середовище: Keep the unit in a dry environment, away from direct sunlight, extreme temperatures, and excessive dust.
- Перевірки: Періодично перевіряйте всі з'єднання проводів, щоб переконатися в їх надійності та відсутності пошкоджень.
Усунення несправностей
If you encounter issues with your Aiphone LEF-5 intercom, refer to the following common problems and solutions:
- Немає живлення:
Симптом: The unit does not power on, and no indicators light up.
рішення: Verify that the 12V power supply is correctly connected and functioning. Check all power wiring for secure connections. - Немає звуку / Погана якість звуку:
Симптом: Cannot hear or be heard, or audio is distorted.
рішення: Перевірте VOL slider to ensure it is not set to minimum. Inspect all communication wiring for proper connection and integrity. Ensure the correct intercom unit is selected. - Не працює замок для відкриття дверей:
Симптом: Натискання ЗАМОК button does not unlock the door.
рішення: Confirm that an Aiphone RY-PA relay and an electric strike are correctly installed and wired to the system. Check the wiring between the LEF-5, the RY-PA relay, and the electric strike. - Intermittent Communication:
Симптом: Communication cuts in and out.
рішення: Inspect all wiring connections for looseness or damage. Ensure proper wire gauge is used for the distance (e.g., 22 AWG for up to 650 ft, 18 AWG for up to 1,600 ft). - Call LED Not Illuminating:
Симптом: No LED indication when a call is received or initiated.
рішення: Check the connection to the calling intercom unit. Ensure the 'OFF' switch is not engaged if expecting a chime.
If these troubleshooting steps do not resolve the issue, please contact Aiphone customer support or a qualified technician.
Технічні характеристики
| Номер моделі | ЛЕФ-5 |
| Габаритні розміри (В x Ш x Г) | 8-1/8 x 7-1/2 x 2-3/16 дюймів |
| Communication Output (Reception) | 800 мВт при 20 Ом |
| Communication Output (Transmission) | 500 мВт при 20 Ом |
| Maximum Distance (Door/Sub to Master) | 650 ft (using 22 AWG wire) 1,600 ft (using 18 AWG wire) |
| Door Strike Connection | Requires Aiphone RY-PA relay (sold separately) |
| Вимоги до живлення | Aiphone PS-1225UL 12V power supply (sold separately) |
Гарантія та підтримка
Щоб отримати інформацію щодо гарантійного покриття, технічної підтримки або обслуговування, зверніться до офіційного веб-сайту Aiphone. website or contact Aiphone customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Aiphone North American Headquarters: Bellevue, WA