Kirish
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.
Qutida nima bor?
- Aiphone LEF-5 Master Intercom Unit
- O'rnatish uskunasi
- Qo'llanma (bu hujjat)
Mahsulot tugadiview
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.

1-rasm: Old 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.
Sozlash; o'rnatish
O'rnatish
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.
Simli ulanishlar
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.
- Interkom ulanishlari: 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.
Quvvatlantirish manbai
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.
Foydalanish bo'yicha ko'rsatmalar
Qo'ng'iroq qilish
- 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.
- ni bosing va ushlab turing GAPIRISH button to speak. Release the GAPIRISH javobni tinglash uchun tugma.
Qo'ng'iroqni qabul qilish
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 GAPIRISH tugmasi.
- ni qo'yib yuboring GAPIRISH button to listen to the other party.
Ikki tomonlama aloqa
The LEF-5 operates on a push-to-talk, release-to-listen principle. Depressing the GAPIRISH 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 LOCK button during a conversation with the door intercom.
Maxfiylik funksiyasi
ni bosing Maxfiy (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).
Ovoz balandligini sozlash
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.
Xizmat
To ensure the longevity and proper functioning of your Aiphone LEF-5 intercom, follow these simple maintenance guidelines:
- Tozalash: 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.
- Atrof-muhit: Keep the unit in a dry environment, away from direct sunlight, extreme temperatures, and excessive dust.
- Tekshiruvlar: Barcha simlarning ulanishlarini vaqti-vaqti bilan tekshirib turing, ularning xavfsiz va shikastlanmaganligiga ishonch hosil qiling.
Muammolarni bartaraf qilish; nosozliklarni TUZATISH
If you encounter issues with your Aiphone LEF-5 intercom, refer to the following common problems and solutions:
- Quvvat yo'q:
Semptom: The unit does not power on, and no indicators light up.
Yechim: Verify that the 12V power supply is correctly connected and functioning. Check all power wiring for secure connections. - Ovoz yo'q / Ovoz sifati past:
Semptom: Cannot hear or be heard, or audio is distorted.
Yechim: ni tekshiring 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:
Semptom: tugmasini bosish LOCK button does not unlock the door.
Yechim: 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. - Vaqti-vaqti bilan aloqa:
Semptom: Communication cuts in and out.
Yechim: 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:
Semptom: No LED indication when a call is received or initiated.
Yechim: 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.
Texnik xususiyatlari
| Model raqami | LEF-5 |
| Umumiy o'lchamlar (Y x G x D) | 8-1/8 x 7-1/2 x 2-3/16 dyuym |
| Communication Output (Reception) | 800 ohmda 20 mVt |
| Communication Output (Transmission) | 500 ohmda 20 mVt |
| 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) |
| Quvvat talablari | Aiphone PS-1225UL 12V power supply (sold separately) |
Kafolat va qo'llab-quvvatlash
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





