Aiphone LEF-3 User Manual

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LEF Series
OPEN VOICE SELECTIVE CALL INTERCOM
INSTALLATION & OPERATION MANUAL
LEF-3 (3-call master)
LEF-5 (5-call master)
LEF-10 (10-call master)
LEF-10S (10-call master w/all call button)
Models:
* LEF-5W, LEF-10W & LEF-10SW:
w/Terminal Box prewired
(Not available in North America)
PRECAUTIONS
WARNING (Negligence could result in death or serious injury.)
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Do not dismantle or alter the unit. Fire or electric shock could result.
Keep the unit away from water or any other liquid. Fire or electric shock could result.
For power supply, use Aiphone power supply model specified for use with system. If non-specified product is used, fire or malfunction
could result.
Do not connect any non-specified power source to the +, - terminals. Also, do not install two power supplies in parallel to a single input.
Fire or damage to the unit could result.
Do not use power supply with a voltage other than specified. Fire or electric shock could result.
Keep AC cord from being marred or crushed. If the AC cord is damaged, fire or electric shock could result.
Do not plug or unplug unit with wet hands. Electric shock could result.
Insert AC plug completely and securely into AC outlet. Otherwise, fire or electric shock could result.
Periodically check for and remove dust on the power plug. If dust is left, it could cause the power plug to heat up, resulting in fire.
Do not put any metal or flammable material into the unit through the openings. Fire, electric shock, or unit trouble could result.
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CAUTION (Negligence could result in injury to people or damage to property.)
Do not install or make any wire terminations while power supply is plugged in. It can cause electrical shock or damage to the unit.
When mounting the unit on a wall, install the unit in a convenient location, but not where it could be jarred or bumped. Injury could result.
Before turning on power, make sure wires are not crossed or shorted. If not, fire or electric shock could result.
Do not place or install the unit in the locations subject to frequent vibration or impact. If the unit falls, injury to people or damage to the
unit could result.
Do not put anything on the unit or cover the unit with cloth, etc. Fire or unit trouble could result.
Do not install the unit in any of the following locations. Fire, electric shock, or unit trouble could result.
* Places under direct sunlight (except door station).
* Near heating equipment that varies in temperature.
* Places subject to dust, oil, chemicals, hydrogen sulfide (hot spring).
* Places subject to moisture and humidity extremes, such as bathrooms, cellars, greenhouses, etc.
* Places where the temperature is quite low, such as inside a refrigerated area or in front of an air conditioner.
* Places subject to steam or smoke (near heating or cooking surfaces).
* Where noise generating devices such as dimmer switches or inverter electrical appliances are closeby.
* Locations subject to frequent vibration or impact.
* Locations subject to extremely powerful electric fields.
The unit must be installed and wired by a qualified technician.
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GENERAL PRECAUTIONS
Keep the unit more than 1m (3.3') away from radio or TV sets.
Keep the intercom wires more than 30cm (12'') away from AC 100-240V wiring. AC induced noise and/or unit malfunction could result.
Comply with all third party manufacturing specifications that will be used with this system.
Using a mobile phone or professional-use radio equipment such as walkie-talkie close to the system may cause a malfunction.
The unit can be damaged if dropped. Handle with care.
The unit will not work during power failure.
In areas where broadcasting station antennas are closeby, the intercom system may be affected by radio frequency interference.
All the units, except for door stations, are designed for indoor use only. Do not use at outdoor locations.
This product, providing door release, should not be used as a crime prevention device.
Prohibited Do not dismantle unit Keep unit away from water General precautions

Aiphone LEF-3 Specifications

General

Material	Acrylonitrile butadiene styrene (ABS)
Mounting type	Desk/Wall
Product color	Black, Grey, White
Brand compatibility	Aiphone
Power consumption	300 mA

Weight and Dimensions

Depth	54 mm
Width	142.8 mm
Height	179.4 mm

Summary

Safety Precautions and Warnings

Critical Safety Warnings

Critical safety warnings regarding potential death or serious injury from improper handling.

Property and Personal Safety Warnings

Safety warnings about potential injury to people or damage to property.

General Operational Precautions

General guidelines and precautions for system installation and operation.

System Overview and Components

Package Contents

Lists the items included in the LEF intercom system package.

Available Components

Details the master and sub station models and power supply options.

Optional System Features

Describes optional features like All Call, Chime, and Music distribution.

LEF Unit Names and Features

LEF-3 Names and Functions

Identifies and explains the controls and indicators on the LEF-3 master station.

LEF-5, 10, 10S Names and Functions

Identifies and explains the controls and indicators on the LEF-5, 10, 10S master stations.

Wiring System Details

LEF System Features Summary

Lists key features of LEF master stations and optional features.

Wiring System Configuration

Explains the loop-wired system and wiring requirements for different configurations.

Wire Reference Chart

Provides a chart detailing conductor and wire gauge requirements for various models.

Mounting Instructions for LEF Systems

LEF Master Station Mounting

Details mounting procedures for LEF-3 and LEF-5/10/10S master stations.

LE Room Sub Station Mounting

Describes how to mount LE series room sub stations.

Wall Mounting Procedures

Step-by-step guide for wall-mounting the intercom units.

Desk Mount Terminal Box Installation

Instructions for installing the LEW Desktop Terminal Box.

Intercom Wiring Diagrams

Substation to Master Wiring

Illustrates wiring for LE series subs/door stations to LEF-3 masters.

Master to Master Intercom Wiring

Shows wiring methods for internal communication between master stations.

Master to Sub Intercom Wiring

Details wiring for master stations to sub stations without master-to-master comms.

Door Release and Signaling Wiring

Door Release Relay Wiring

Wiring diagrams for door release functionality using RY-PA relays.

External Signaling and CCTV Relay Wiring

Wiring for external signaling and CCTV integration with the system.

Detailed Wiring and Terminal Information

LEF Series Terminal Connections

Shows terminal connections for LEF-3, LEF-5, LEF-10, LEF-10S and LEW boxes.

Terminal Function Definitions

Explains the function of each terminal (1-10, C, E, R, Y, L, P1-P3, K1-K10).

Call Tone Volume Adjustment

Describes how to adjust the call tone volume using a 3-position switch.

Call Tone Selector for Occupied Mode

Explains the function of the "B" position selector for occupied mode call tone.

All-Master System Configuration

LEF All-Master System Design

Details how LEF all-master systems are wired in a looped fashion.

System Cable Requirements

Specifies cable types and gauges for system connectivity.

Power Supply and Surge Protection

Information on power supply requirements and surge arrestor installation.

Three LEF-3 and One Door Station Wiring

Wiring diagram for a system with three LEF-3 masters and one door station.

Specific Wiring Configurations

Two LEF-3 and Two Door Stations Wiring

Wiring diagram for a system with two LEF-3 masters and two door stations.

Three LEF-5 Masters with Two Door Stations Wiring

Wiring diagram for a three LEF-5 master system with two door stations and release.

Six LEF-5 System Wiring Diagram

Wiring diagram for a system comprising six LEF-5 master stations.

Advanced Wiring Scenarios

LEF-5 with Camera Call-up and Door Release Wiring

Wiring for LEF-5 masters with camera call-up and door release door stations.

LEF-5 with Release and External Signaling Wiring

Wiring for LEF-5 units with door release and external signaling.

LEF-10S and LEF-10 Wiring Diagrams

LEF-10S with BG-10C and Door Station Wiring

Wiring diagram for LEF-10S systems with BG-10C and a door station.

LEF-10 with Door Stations and Selective Door Release Wiring

Wiring diagram for LEF-10 systems with multiple door stations and release.

Comprehensive LEF-10S System Wiring

LEF-10S with BG-10C, Subs, and Door Stations Wiring

Wiring diagram for a comprehensive LEF-10S system with BG-10C.

LEF System Operations

Calling a Master or Sub Station

Steps to initiate a call to a master or sub station.

Receiving Calls

How to receive calls from sub stations or other masters.

Door Answering and Release

Procedures for answering door calls and activating door release.

All Call Feature Operation

How to use the All Call feature on LEF-10S stations.

Operational Features and Settings

Operation Plate Controls

Explains the controls on the operation plates for LEF-3 and LEF-5/10/10S.

BG-10C, Privacy, and Sub Station Features

Details BG-10C functions, privacy mode, and LE sub station operations.

Troubleshooting Guide: Single-Master Systems

Single-Master System Troubleshooting

Solutions for problems in single-master LEF systems.

Troubleshooting Guide: Multi-Master Systems

Multi-Master System Troubleshooting

Solutions for common issues in multi-master LEF systems.

Specific Troubleshooting Scenarios

Addresses specific problems like door release, All Call, and feedback.

Technical Precautions

Installation Interference Guidelines

Warnings about interference from electrical devices and wiring practices.

Unit Cleaning Instructions

Guidelines for cleaning the intercom units.

Product Specifications

Power Source and Communication Specs

Details power requirements and communication methods.

Output and Wiring Specifications

Specifies audio output power and wiring standards.

Dimensions and Weight Information

Provides physical dimensions and weight for LEF models.