Муқаддима
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.
Дар қуттӣ чӣ ҳаст?
- Aiphone LEF-5 Master Intercom Unit
- Таҷҳизоти васлкунӣ
- Дастури таълимӣ (ин ҳуҷҷат)
Маҳсулот ба охир расидview
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.

Тасвири 1: Пеш 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.
Ташкил кардан
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.
Пайвастҳои ноқилӣ
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.
- Пайвастҳои интерком: 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.
Таъмини нерӯ
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.
Дастурҳои амалиётӣ
Занг задан
- 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.
- -ро пахш карда нигоҳ доред СУХБАТ тугма барои сухан гуфтан. Раҳо кунед СУХБАТ тугмаи барои гӯш кардани ҷавоб.
Қабули занг
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 СУХБАТ тугма.
- -ро озод кунед СУХБАТ button to listen to the other party.
Муоширати дуҷониба
The LEF-5 operates on a push-to-talk, release-to-listen principle. Depressing the СУХБАТ button allows you to transmit audio, and releasing it allows you to receive audio from the connected intercom.
Функсияи кушодани дар
To remotely unlock a door connected to the system (requires Aiphone RY-PA relay and electric strike), press the ҚУЛФ button during a conversation with the door intercom.
Функсияи махфият
-ро пахш кунед Хусусӣ (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).
Танзими овоз
Adjust the audio volume using the ҶИЛД slider control located on the front panel.
Зангро хомӯш кунед
To silence the master intercom's chime alerts for incoming calls, slide the 'OFF' switch to the 'OFF' position.
Нигоҳдорӣ
To ensure the longevity and proper functioning of your Aiphone LEF-5 intercom, follow these simple maintenance guidelines:
- Тозакунӣ: 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.
- Муҳити зист: Keep the unit in a dry environment, away from direct sunlight, extreme temperatures, and excessive dust.
- Санҷишҳо: Ҳамаи пайвастҳои симро мунтазам тафтиш кунед, то боварӣ ҳосил кунед, ки онҳо бехатар ва аз осеб озоданд.
Мушкилкушо
If you encounter issues with your Aiphone LEF-5 intercom, refer to the following common problems and solutions:
- Не қудрат:
Аломат: The unit does not power on, and no indicators light up.
Ҳалли: Verify that the 12V power supply is correctly connected and functioning. Check all power wiring for secure connections. - Аудио нест / Сифати аудио:
Аломат: Cannot hear or be heard, or audio is distorted.
Ҳалли: -ро тафтиш кунед ҶИЛД 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. - Door Release Not Functioning:
Аломат: пахш кардан ҚУЛФ button does not unlock the door.
Ҳалли: 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. - Муоширати фосилавӣ:
Аломат: Communication cuts in and out.
Ҳалли: 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:
Аломат: No LED indication when a call is received or initiated.
Ҳалли: 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.
Мушаххасоти
| Рақами модел | LEF-5 |
| Андозаҳои умумӣ (H x W x D) | 8-1/8 х 7-1/2 х 2-3/16 инч |
| Communication Output (Reception) | 800мВт дар 20 Ом |
| Communication Output (Transmission) | 500мВт дар 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) |
| Талаботи қувваи барқ | Aiphone PS-1225UL 12V power supply (sold separately) |
Кафолат ва дастгирӣ
For information regarding warranty coverage, technical support, or service, please refer to the official 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





