Aiphone LEM-1, LEM-3 operation manual Mounting, Operations

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Adjusting voice volume

Voice communication volume is adjustable with the switch which is located on right side on LEM-1, and on bottom of front panel of LEM-3.

LE sub stations

Do not connect more than one LE station on a numbered terminal, as it causes inferior call tone and voice. Do not parallel two LEM masters connected to the same sub station.

Wiring diagrams

LEM-1 system

 

LEM-3 system

LEM-1

LE sub(any)

LEM-3

LE sub(any)

1

NP

1

NP

1

1

E

E

 

E

 

 

 

2

 

1

E

 

 

 

E

 

 

 

 

+

 

 

 

3

 

1

PS6

 

 

 

 

E

 

 

 

 

+

PS6

5MOUNTING

Do not remove the shorting link on LE sub.

PS6 : SKK-620 (+) Red, (–) Black PS-6D (+) Red, (–) White PS-6M

Install a power supply within 20m, 66” of LEM master.

NP: Non-polarized

LEM-1

Single-gang box

Mounting

bracket83.5mm, 3-5/16"

Wall

Screw(2)

LEM-3

Single-gang box

Connector83.5mm, 3-5/16"

Wall

Front Case

Chassis

Cover

Screw (2)

Push either side

Lift and pull off

For surface wall cable run, pass through opening on top or bottom of back case.

6OPERATIONS

Calling sub

On LEM-1, depress both OFF and TALK buttons to ring.

On LEM-3, depress a sub selector button and press CALL button to ring.

Depress TALK button to speak, and release to listen.

Depress OFF switch at conclusion for standby. If not, LEM is not called audibly.

Receiving

Sub call-in rings with oscillating tone, plus an LED lit 20 sec. on LEM-3.

Momentarily press TALK button to pop up OFF. On LEM-3, first depress a lit selector button. Reply holding down TALK button. Listen to the sub, releasing.

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Contents Components available Names & FeaturesPackage contents System Outline & ComponentsPrecautions on Installation & Wiring WiringActual terminal locations Operations MountingLE sub stations Technical PrecautionsSpecifications Receiving during communication on LEM-3
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LEM-3, LEM-1 specifications

The Aiphone LEM-1 and LEM-3 are advanced intercom systems designed to facilitate clear communication in various environments, including commercial, residential, and institutional settings. These units are part of Aiphone's extensive lineup of intercom products, known for their reliability and user-friendly features.

The LEM-1 is a single-button intercom, while the LEM-3 boasts three buttons for calling different stations. Both systems utilize high-quality audio technology to ensure crystal-clear communication. The units are equipped with a sensitive microphone and a powerful speaker that work together to minimize background noise and enhance the clarity of conversations. This is particularly beneficial in busy environments where clear communication is a necessity.

One of the standout features of the LEM-1 and LEM-3 is their ease of installation. Designed for both indoor and outdoor use, they can be mounted on walls or desks, making them versatile for various applications. Their weather-resistant design ensures reliable performance in different environmental conditions, thus extending their usability in outdoor settings.

The intercom systems utilize a two-wire installation method, simplifying the wiring process and reducing installation time. This technology also allows for a direct connection to the power supply, eliminating the need for external transformers. Additionally, both models feature a sleek, modern design that complements any décor.

For users concerned about privacy and security, the LEM-1 and LEM-3 incorporate advanced features such as a privacy function that allows users to temporarily disable the microphone, ensuring conversations remain confidential when needed. Furthermore, the volume control knob provides easy adjustments to the audio levels, allowing users to customize their experience based on individual preferences.

Another important characteristic of these intercoms is their compatibility with a wide range of Aiphone products, enabling users to create a comprehensive communication system tailored to their needs. Whether used in a home, office, or medical facility, the LEM-1 and LEM-3 serve to enhance communication efficiency.

In summary, the Aiphone LEM-1 and LEM-3 intercom systems represent a fusion of innovative technology and user-friendly design. With their robust features, easy installation, and compatibility with other devices, these intercoms provide an effective solution for reliable communication in diverse settings. Users can trust that they will achieve seamless connectivity, whether in a busy office or as a vital link in a healthcare environment.