Introducere
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.
Ce este în cutie?
- Aiphone LEF-5 Master Intercom Unit
- Hardware de montare
- Manual de instrucțiuni (acest document)
Produs terminatview
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.

Imaginea 1: Faţă 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.
Înființat
Montare
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.
Conexiuni de cablare
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.
- Conexiuni interfon: 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.
Alimentare electrică
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.
Instrucțiuni de operare
Efectuarea unui apel
- 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.
- Țineți apăsat butonul VORBI button to speak. Release the VORBI butonul pentru a asculta un răspuns.
Primirea unui apel
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 VORBI buton.
- Eliberați VORBI button to listen to the other party.
Comunicare bidirecțională
The LEF-5 operates on a push-to-talk, release-to-listen principle. Depressing the VORBI 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 BLOCARE button during a conversation with the door intercom.
Funcția de confidențialitate
Apăsați tasta privat (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).
Reglarea volumului
Adjust the audio volume using the VOL slider control located on the front panel.
Chime Off
To silence the master intercom's chime alerts for incoming calls, slide the 'OFF' switch to the 'OFF' position.
Întreţinere
To ensure the longevity and proper functioning of your Aiphone LEF-5 intercom, follow these simple maintenance guidelines:
- curatenie: 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.
- Mediu: Keep the unit in a dry environment, away from direct sunlight, extreme temperatures, and excessive dust.
- Inspectii: Periodically check all wiring connections to ensure they are secure and free from damage.
Depanare
If you encounter issues with your Aiphone LEF-5 intercom, refer to the following common problems and solutions:
- Fără putere:
Simptom: The unit does not power on, and no indicators light up.
Soluţie: Verify that the 12V power supply is correctly connected and functioning. Check all power wiring for secure connections. - Fără sunet / Calitate audio slabă:
Simptom: Cannot hear or be heard, or audio is distorted.
Soluţie: Verificați 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. - Door Release Not Functioning:
Simptom: Apăsând butonul BLOCARE button does not unlock the door.
Soluţie: 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. - Comunicare intermitentă:
Simptom: Communication cuts in and out.
Soluţie: 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:
Simptom: No LED indication when a call is received or initiated.
Soluţie: 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.
Specificații
| Numărul de model | LEF-5 |
| Dimensiuni totale (înălțime x lățime x adâncime) | 8-1/8 x 7-1/2 x 2-3/16 inci |
| Communication Output (Reception) | 800mW la 20 ohmi |
| Communication Output (Transmission) | 500mW la 20 ohmi |
| 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) |
| Cerințe de putere | Aiphone PS-1225UL 12V power supply (sold separately) |
Garanție și suport
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





