Product Overview
The Aiphone LEF-10S is a Call Audio Master Station designed for indoor use. It functions as a central communication unit, capable of connecting to multiple door stations or other sub-stations. This model supports 20 conductors, making it suitable for complex intercom systems. It operates on 12VDC power and is compatible with the Aiphone LE Series.
Figure 1: Front view of the Aiphone LEF-10S Call Audio Master Station, showing the speaker grille, control buttons, and indicator lights.
Setup and Installation
Proper installation is crucial for optimal performance. This unit requires a 12VDC power source and appropriate wiring for connection to door stations or other LE Series components.
Mounting
The LEF-10S includes mounting hardware. Select a suitable indoor location, preferably near the central wiring point for your intercom system. Ensure the mounting surface is stable and can support the unit's weight.
- Mark the drilling points using the unit as a template.
- Drill pilot holes if necessary.
- Secure the master station to the wall using the provided screws and anchors.
Wiring
The LEF-10S supports 20 conductors. Use shielded wire for best performance, especially over longer distances. Refer to the wiring diagram specific to your LE Series system configuration.
- Connect the 12VDC power supply to the designated terminals.
- Connect the appropriate wires from each door station or sub-station to the corresponding terminals on the LEF-10S.
- Ensure all connections are secure and correctly polarized.
- The maximum recommended distance for 18AWG wire is 1600 feet, and for 22AWG wire is 650 feet.
Operating Instructions
The LEF-10S provides clear audio communication and call management for your intercom system.
Making a Call
- Identify the button corresponding to the desired door station or sub-station.
- Press the call button. The station will ring, and an indicator light may illuminate.
- Speak clearly into the microphone.
- To end the call, press the "OFF" button or wait for the call to terminate automatically.
Receiving a Call
- When a call is received, the unit will chime, and the corresponding station's indicator light will flash.
- Press the "TALK" button to answer the call.
- Speak into the microphone to communicate.
- To end the call, press the "OFF" button.
Volume Adjustment
Adjust the speaker volume using the dedicated volume control knob or buttons on the unit. Test the volume to ensure clear audio without distortion.
Maintenance
The Aiphone LEF-10S requires minimal maintenance to ensure long-term reliable operation.
- Cleaning: Wipe the exterior of the unit with a soft, dry cloth. For stubborn marks, a slightly damp cloth with mild soap can be used, followed by drying. Avoid abrasive cleaners or solvents.
- Inspection: Periodically check all wiring connections to ensure they are secure and free from corrosion.
- Environment: Ensure the unit is kept in a dry, indoor environment, away from direct sunlight, extreme temperatures, and excessive dust or humidity.
Troubleshooting
If you encounter issues with your LEF-10S master station, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio from speaker | Volume too low; Loose wiring; Faulty speaker | Increase volume; Check all wiring connections; Contact support if speaker is faulty. |
| Cannot make or receive calls | No power; Incorrect wiring; Faulty station | Verify 12VDC power supply; Check all wiring connections for correct polarity and security; Test with another station if possible. |
| Distorted audio | Volume too high; Interference; Damaged wiring | Decrease volume; Ensure shielded wire is used and properly grounded; Inspect wiring for damage. |
If the problem persists after attempting these solutions, please contact Aiphone technical support.
Specifications
- Model: LEF-10S
- Type: Call Audio Master Station
- Application: Indoor
- Power Source: 12VDC
- Wiring Conductors: 20 Conductors
- Wire Type: Shielded
- Dimensions (Height x Width x Depth): 8-1/8 in. x 7-1/2 in. x 2-3/16 in. (Master Station)
- Door Station Dimensions (Height x Width x Depth): 2-3/16 in. x 8-1/8 in. x 7-1/2 in.
- Max. Distance @ 18AWG: 1600 ft.
- Max. Distance @ 22AWG: 650 ft.
- Compatibility: Aiphone LE Series
- Includes: Mounting Hardware
Warranty and Support
Aiphone products are designed for reliability and durability. For specific warranty information, please refer to the documentation included with your purchase or visit the official Aiphone website. Warranty terms typically cover manufacturing defects for a specified period from the date of purchase.
For technical assistance, troubleshooting beyond this manual, or to inquire about replacement parts, please contact Aiphone customer support. You can usually find contact information on the manufacturer's website or in the product packaging.
Aiphone Official Website: www.aiphone.com
