Electronics / Intercom Systems
Urmet 1122-003C 2-Wire Audio Kit User Manual
Quick guide for the Urmet 1122-003C 2-Wire Audio Kit. Includes installation steps, wiring diagrams, calling tone settings, and volume control instructions.
Table of contents
Quick guide from the manual
The Urmet 1122-003C is a 2-wire audio kit designed for single-family homes. This document provides essential installation and configuration instructions. Ensure you do not use telephone wire (twisted pair) for the installation. The system supports specific accessories for expanded functionality.
Installation
The installation process involves wall-mounting the unit. Ensure the unit is mounted at a height of 1.55 to 1.60 meters. For recessed installation, the embedding box (Ref. 1122/60) must be purchased separately.
- Follow the provided mounting template to drill holes.
- Secure the base to the wall using the provided screws and anchors.
- Connect the wiring according to the diagrams.
- Attach the front panel to the base.
Wiring
The system requires a 2-wire connection. The minimum wire diameter depends on the distance between the transformer and the push-button panel:
- Up to 60m: 0.5 mm²
- Up to 90m: 0.75 mm²
- Up to 110m: 1 mm²
Refer to the basic wiring diagram for connections involving the transformer, door phone, and electric lock. Ensure the electric lock is connected to the appropriate terminals (SE1, SE2).
Operation and Settings
The device allows for basic audio adjustments:
- Calling Tone: You can select between two melodies. Set the switch to 1 (default) or 2.
- Volume Control: The volume can be adjusted using the slider on the side of the unit. Options include Maximum volume, Minimum volume, and Mute (Chiamata esclusa).
Accessories
The product is compatible with the following accessories:
- Ref. 1134/55: Additional buttons
- Ref. 9854/43: Universal ringer
- Ref. 1129/52: Additional door phones
Manufacturer information
Urmet S.p.A.
Practical help
Common problems
No calling tone
Check if the volume slider is set to 'MUTE' (Chiamata esclusa).
Audio or connection issues
Ensure you are not using telephone wire (twisted pair) for the installation.
Before use
- Verify the distance between the transformer and the push-button panel.
- Select the appropriate wire cross-section (0.5mm² to 1mm²) based on the distance.
- Ensure the transformer is correctly connected to the mains.
- Check if the electric lock requires a specific button configuration.
- Confirm the calling tone preference (Melody 1 or 2).
Specs in practice
- Calling Tone
- Selectable between 2 melodies using the internal switch.
- Volume Control
- Adjustable slider for Max, Min, or Mute settings.
Model compatibility
- Compatible with Ref. 1134/55 (Additional buttons).
- Compatible with Ref. 9854/43 (Universal ringer).
- Compatible with Ref. 1129/52 (Additional door phones).
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.