1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of the Bticino 364211 2-Wire Hands-Free Audio Intercom Kit. This system is designed for residential use, offering a reliable and convenient way to manage door entry.
The kit includes an ultra-flat Linea 2000 outdoor unit with an illuminated nameplate, a hands-free indoor unit, and a 3-DIN module power supply. The system operates on a 2-wire BUS technology, simplifying installation.
2. Consignes de sécurité
- Sécurité électrique : Installation must be performed by qualified personnel in accordance with local electrical codes and regulations. Disconnect power before performing any installation or maintenance.
- Protection de l'environnement : The outdoor unit has an IP54 rating, providing protection against dust and splashing water. However, avoid direct high-pressure water jets.
- Gestion des composants : Handle all components with care to prevent damage. Do not expose units to extreme temperatures or humidity.
- Modifications: Do not attempt to modify or repair the system components yourself. Contact qualified service personnel for assistance.
3. Contenu du colis
Vérifiez que tous les composants sont présents dans le package :
- 1 x Linea 2000 Outdoor Unit (with illuminated nameplate)
- 1 x Hands-Free Indoor Unit
- 1 x 3-DIN Module Power Supply
- Vis de montage et accessoires
- Manuel d'instructions (ce document)
4. Configuration et installation
4.1. General Wiring Principles (2-Wire BUS)
The Bticino 364211 system utilizes a 2-wire BUS connection for communication and power between the outdoor unit, indoor unit, and power supply. Ensure correct polarity when connecting the wires.

Figure 1: Typical 2-wire BUS wiring diagram. Consult the detailed diagram provided with your product for specific connections.
4.2. Outdoor Unit Installation (Linea 2000)
The Linea 2000 outdoor unit is designed for surface mounting. Its dimensions are 176x98x31mm. It features an illuminated nameplate.
- Choose a suitable mounting location at an accessible height, protected from direct heavy rain if possible, though the unit is IP54 rated.
- Mark the drilling points using the mounting template (if provided) or the unit itself.
- Percez des trous et insérez des chevilles.
- Connect the 2-wire BUS cables to the designated terminals on the outdoor unit. Ensure secure connections and correct polarity.
- Mount the outdoor unit securely to the wall using the provided screws.
- Insert the nameplate with your desired text into the designated slot. The nameplate will be illuminated when the system is powered.

Figure 2: Bticino Linea 2000 Outdoor Unit.
4.3. Installation de l'unité intérieure
The hands-free indoor unit has dimensions of 124x128x27mm and includes two dry contacts for additional functions.
- Select an indoor location for the unit, typically near the main entrance or in a central living area.
- Marquez et percez les trous de montage.
- Connect the 2-wire BUS cables to the indoor unit's terminals. Observe polarity.
- If utilizing the two dry contacts for additional functions (e.g., secondary door release, auxiliary light control), connect the corresponding wiring to these terminals. Refer to the specific wiring diagram for these functions.
- Mount the indoor unit securely to the wall.

Figure 3: Bticino Hands-Free Indoor Unit.
4.4. Installation de l'alimentation
The kit includes a 3-DIN module power supply.
- Install the power supply in a suitable electrical distribution board or enclosure, typically on a DIN rail.
- Connect the main power supply (e.g., 230V AC) to the designated input terminals of the power supply unit.
- Connect the 2-wire BUS output from the power supply to the main BUS line that connects to the outdoor and indoor units.
- Assurez-vous que toutes les connexions sont bien serrées et correctement isolées.

Figure 4: Bticino 3-DIN Module Power Supply.
5. Mode d'emploi
5.1. Répondre à un appel
When a visitor presses the call button on the outdoor unit, the indoor unit will ring. To answer the call, press the designated 'Answer' button on the indoor unit. This will establish two-way audio communication.
5.2. Ouvrir la porte
During an active conversation or after answering a call, press the 'Door Release' button on the indoor unit to activate the electric door lock (if connected). The door will unlock for a short period, allowing the visitor to enter.
5.3. Réglage du volume
If your indoor unit features volume control, locate the volume adjustment buttons or dial. Adjust the listening and speaking volume to a comfortable level during a call.
6. Entretien
- Nettoyage: Clean the outdoor and indoor units periodically with a soft, damp chiffon. N'utilisez pas de nettoyants abrasifs ou de solvants.
- Relations: Vérifiez régulièrement le serrage et l'absence de corrosion de tous les raccordements électriques, en particulier ceux de l'unité extérieure.
- Plaque: Ensure the outdoor unit's nameplate is clean and legible.
- Contrôle environnemental : Ensure the outdoor unit's seals are intact to maintain its IP54 rating.
7. Dépannage
If you encounter issues with your Bticino 364211 intercom kit, refer to the following common problems and solutions:
- Système hors tension :
Vérifier: Ensure the power supply unit is receiving mains power and its output connections are secure. Verify circuit breakers. - No Audio (Indoor or Outdoor Unit):
Vérifier: Verify all 2-wire BUS connections for correct polarity and secure contact. Ensure no wires are cut or short-circuited. Check volume settings on the indoor unit. - Outdoor Unit Not Calling Indoor Unit:
Vérifier: Ensure the call button on the outdoor unit is functioning correctly. Verify BUS connections. - Porte bloquée :
Vérifier: Ensure the electric door lock is correctly wired to the indoor unit's dry contacts (if used) or the main BUS system. Verify the door release button is functioning. Check the power supply to the door lock mechanism. - Fonctionnement intermittent :
Vérifier: Loose connections, damaged wiring, or interference. Inspect all wiring and connections.
If the problem persists after performing these checks, contact qualified technical support.
8. Spécifications
- Numéro de modèle : 364211
- Fabricant: Legrand (Bticino is a brand of Legrand)
- Type de système : 2-Wire BUS Audio Intercom
- Unité extérieure: Linea 2000, Ultra-flat, Illuminated Nameplate, IP54 rated
- Dimensions de l'unité extérieure (L x l x H) : 176 x 98 x 31 mm
- Unité intérieure: Hands-free, 2 Dry Contacts for additional functions
- Dimensions de l'unité intérieure (L x l x H) : 124 x 128 x 27 mm
- Alimentation: 3-DIN Module
- Product Dimensions (Kit, L x W x H): 28.7 x 25 x 7.7 cm
- Poids du produit : 40 grammes
- Couleur: White (Indoor Unit)
9. Garantie et assistance
This Bticino product is covered by a manufacturer's warranty. Please refer to the warranty card included with your purchase for specific terms and conditions. For technical support, spare parts, or service inquiries, please contact your local Bticino distributor or authorized service center. Ensure you have your model number (364211) and proof of purchase available when contacting support.