Aiphone LEM-1DL Master Station Supplemental Instructions

About this manual

This document serves as a supplemental instruction manual for the Aiphone LEM-1DL master station. It provides detailed information on additional system functions, necessary modifications, and specific installation procedures beyond standard instructions found in the main box manual.

The guide covers wiring configurations for single and dual master stations, including the use of optional components like the DAK-2S Dual Master Adaptor Kit and external signaling relays (RY-AC/A). It also details troubleshooting steps for common issues such as feedback, lack of call tones, and AC noise interference.

What's inside

• Installation Guidelines
• Wiring Diagrams
• Optional Components & Accessories
• System Configuration
• Troubleshooting Guide
• Door Release Instructions

Frequently asked questions

What voltage is required for the LEM-1DL?

The system requires a power supply with an output between 12-16V AC or 12-24V DC.

How do I fix feedback (squeal) in a dual master system?

Press the OFF button on one of the LEM-1DL masters to stop the feedback.

Can I use a non-Aiphone door strike?

Yes, but you must use a separate power source for the door release mechanism.