FERMAX 3431
FERMAX 3431 VEO Universal Intercom User Manual
Model: 3431 | Part Number: 56304
Introducció
This manual provides comprehensive instructions for the installation, operation, and maintenance of your FERMAX 3431 VEO Universal Intercom. Please read this manual carefully before installation and use to ensure proper function and safety. This intercom is designed for 4+N wiring systems, offering reliable audio communication and door release functionality.
Informació de seguretat
Observeu sempre les precaucions de seguretat següents:
- Desconnecteu l'alimentació abans de realitzar qualsevol instal·lació o manteniment.
- La instal·lació ha de ser realitzada per personal qualificat d'acord amb les normes elèctriques locals.
- No exposeu la unitat a la humitat ni a temperatures extremes.
- Use only original FERMAX replacement parts and accessories.
- Mantingueu el dispositiu lluny dels nens.
Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- 1 x FERMAX 3431 VEO Universal Intercom Unit
- Cargols de muntatge i tacs de paret
- Manual d'instruccions (aquest document)
Producte acabatview
The FERMAX 3431 VEO Universal Intercom is a compact and functional unit designed for clear communication within a building's intercom system.

Figura 1: Frontal view of the FERMAX 3431 VEO Universal Intercom. This image displays the sleek, neutral-colored design of the intercom unit, with the handset neatly placed on its base.

Figura 2: Angle view of the intercom, highlighting the handset and the base unit. The blue door release button is visible on the base, along with the hook switch.

Figura 3: Detallada view of the intercom's base, focusing on the blue door release button and the handset cradle. This shows the primary user interface for operation.
Configuració i instal·lació
The FERMAX 3431 VEO Universal Intercom is designed for surface installation.
Muntatge de la unitat
- Choose a suitable location for installation, typically near the entrance door or in a central area.
- Mark the drilling points on the wall using the intercom's mounting holes as a template.
- Perfora forats i insereix tacs de paret si cal.
- Secure the intercom base to the wall using the provided screws.

Figura 4: Esquena view of the intercom unit, illustrating the mounting points and the terminal block for electrical connections. This view is crucial for installation.
Wiring (4+N System)
This intercom is compatible with 4+N wiring systems. Refer to the wiring diagram provided with your specific building's intercom system for exact connections. General connections typically include:
- 1: Audio Input (from street panel microphone)
- 2: Sortida d'àudio (to street panel speaker)
- 3: Common Ground
- 4: Call Signal (from street panel call button)
- N: Door Release (connection for electric lock)
Ensure all connections are secure and correctly insulated. Incorrect wiring can damage the unit or the entire intercom system.
Instruccions de funcionament
Recepció d'una trucada
- When a visitor presses the call button at the street panel, your intercom will ring.
- Lift the handset from the base to answer the call.
- Speak into the handset to communicate with the visitor.
Obrint la Porta
During an active conversation, or after receiving a call, you can open the door:
- Press the blue door release button located on the intercom base (refer to Figure 3).
- The electric lock will activate, allowing the visitor to enter.
Finalitzant una trucada
Place the handset back onto the base to end the conversation and hang up.
Manteniment
Regular maintenance ensures the longevity and optimal performance of your intercom.
Neteja
- Netegeu l'exterior de la unitat amb un drap suau i sec.
- Per a marques difícils, utilitzeu una mica de damp drap amb sabó suau i després assecar-lo bé.
- Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the ABS plastic finish.
Atenció General
- Avoid dropping the handset or subjecting the unit to strong impacts.
- Ensure the coiled cord is not excessively stretched or tangled.
Resolució de problemes
If you experience issues with your intercom, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| No sound from handset | Incorrect wiring; faulty handset; system issue. | Check wiring connections (especially audio lines). Test with another handset if available. Consult a professional if the issue persists. |
| Door release not working | Incorrect wiring; faulty button; electric lock issue. | Verify the door release wiring (N connection). Ensure the electric lock is functioning correctly. |
| Intercom not ringing | Call signal wiring issue; faulty ringer. | Check the call signal wiring (4 connection). Ensure the street panel call button is working. |
| Àudio distorsionat | Loose connections; interference; faulty component. | Inspect all wiring for secure connections. Ensure proper grounding. |
If the problem cannot be resolved using these steps, please contact a qualified technician or FERMAX customer support.
Especificacions
| Característica | Detall |
|---|---|
| Fabricant | FERMAX |
| Número de part | 3431 |
| Número de model de l'article | 3431 |
| Pes de l'article | 1.87 unces |
| Dimensions del producte | 1.69 x 3.23 x 8.43 polzades |
| Color | Neutro (Neutral) |
| Material | Plàstic ABS |
| Font d'alimentació | AC |
| Voltage | 100 V |
| Wattage | 100W |
| Mètode d'instal·lació | Muntatge en superfície |
| Components inclosos | INTERFON 4+N VEO UNIVERSAL FERMAX |
| Ús | Entrance communication, Intercom systems, Visitor management |
Informació de la garantia
FERMAX products are manufactured to high-quality standards. Specific warranty terms and conditions are typically provided with your purchase documentation. Please retain your proof of purchase for warranty claims. For detailed warranty information, refer to the documentation included in your product packaging or visit the official FERMAX weblloc.
Suport
For technical assistance, spare parts, or further inquiries, please contact FERMAX customer support through their official website or the contact information provided with your product. When contacting support, please have your product model number (3431) and part number (56304) ready.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.