Before snapping the front cover back on, perform a full functional test:
: While primarily a 4+N system (5 wires total), it can sometimes be adapted for 1+N systems using specific configurations.
Check terminal 1 (Mic) and terminal 3 (Earphone). A loose wire is the most common cause. Lock Release Not Working: Verify terminal 4 connections.
The 1131 is a standard replacement for the Urmet 1133 Atlantico . For more modern styling, the Urmet 1140 Signo is also compatible. urmet 1131 manual full
The Urmet 1131 supports two types of electric locks:
The is one of the most reliable and widely deployed analog audio door phone handsets in traditional building communication systems. Operating primarily on the classic 4+n electronic call system (5 audio wires), this durable handset features an essential, minimalist layout designed by Italian designer Michele De Lucchi. This comprehensive guide provides the complete layout, installation instructions, wiring pinouts, and troubleshooting steps found in the official Urmet Technical Manuals . Technical Specifications & Compatibility
Understanding the internal terminal block is critical for a successful installation or replacement. Open the casing by releasing the bottom clip to expose the circuit board and the numbered screw terminals. Terminal Number Description Speaker (Earpiece) Receives audio from the outdoor entry panel microphone. Terminal 2 Microphone Before snapping the front cover back on, perform
Often used as a ground bridge or common for special functions.
According to standard Urmet 1131 technical documentation, the terminals are typically mapped as follows:
The Urmet 1131 is one of the most popular video door phone handsets in Europe, known for its robust 2-wire technology and crisp analog video. However, the original paper manual is often lost during home renovations or forgotten in a drawer. This article serves as a comprehensive resource. We will guide you on how to download the , explain the key sections of the manual, and provide a technical deep dive into installation, programming, and troubleshooting. Lock Release Not Working: Verify terminal 4 connections
| Terminal | Signal | |----------|--------| | L1 / L2 | 2-wire BUS (to Urmet riser / power supply) | | TEL LINE | Incoming PSTN line (from Telecom socket) | | TEL SET | Optional parallel telephone | | NO / C / NC | Relay 1 (e.g., electric lock) | | NO2 / C2 / NC2 | Relay 2 (e.g., auxiliary) | | +12V / GND | Optional external power (if not powered via BUS) |
Note: In older installations, wire colors can be non-standard. Always note the color of the wire attached to each terminal on the old unit before disconnecting it. 3. Installation Steps for Urmet 1131