1. Uvod
This manual provides detailed instructions for the installation, operation, and maintenance of your Comelit Group Audio 2703U Mini Indoor Station Handset. Please read this manual thoroughly before installation and use to ensure proper function and safety. Keep this manual for future reference.
The Comelit 2703U Mini series is a universal door entry system designed for compatibility with most existing door entry systems. It is an ideal solution for replacing or repairing older door entry units.
2. Sigurnosne informacije
- Električna sigurnost: Installation should only be performed by qualified personnel in accordance with local electrical codes. Disconnect power before installation or maintenance.
- Rukovanje: Handle the unit with care to prevent damage.
- Okruženje: Ne izlažite uređaj ekstremnim temperaturama, vlazi ili izravnoj sunčevoj svjetlosti.
- Čišćenje: Za čišćenje koristite meku, suhu krpu. Nemojte koristiti abrazivna sredstva za čišćenje ili otapala.
3. Proizvod je gotovview
The Comelit 2703U Mini Indoor Station is a versatile audio handset for door entry systems. Key features include:
- Universal compatibility with many door entry systems.
- Door opener button.
- Changer button for additional services.
- Electronic or mechanical ringtone selection.
- Call and privacy settings with 3-level selector switches.
- Red indicator for privacy activation.
- Adjustable speaker volume control.
- Adjustable microphone volume control.

Slika 1: Ispred view of the Comelit 2703U Mini Indoor Station Handset. This image shows the white handset with a coiled cord, a red indicator light, and two buttons below the earpiece.

Slika 2: Strana view of the Comelit 2703U Mini Indoor Station Handset, illustrating its slim profile and wall-mount design.
4. Postavljanje i instalacija
Važno: Installation should be carried out by a qualified technician. Ensure power to the existing door entry system is disconnected before beginning installation.
4.1. Provjera kompatibilnosti
The Comelit 2703U is designed for universal compatibility. Refer to the compatibility table below to identify the correct wiring configuration for your existing system. If your system is not listed, consult a professional installer or Comelit support.

Slika 3: Compatibility table for the Comelit 2703U, showing various door entry systems and their corresponding wiring terminals (A, B, C, D, E, M).
4.2. Ožičenje
- Odspojite napajanje: Ensure the main power supply to the door entry system is turned off.
- Uklonite staru jedinicu: Carefully remove your existing indoor station. Note the wiring connections before disconnecting.
- Identificirajte terminale: Match the terminals of your old unit to the corresponding terminals (A, B, C, D, E, M) on the Comelit 2703U using the compatibility table (Figure 3).
- Spojite žice: Connect the wires from your system to the appropriate terminals on the Comelit 2703U. The unit is suitable for both collective positive and common negative wiring systems.
- Montažna jedinica: Securely mount the Comelit 2703U to the wall using the provided installation hardware.
- Vrati snagu: Once all connections are secure and the unit is mounted, restore power to the system.
4.3. Početna konfiguracija
After installation, test the basic functions:
- Test poziva: Have someone activate the doorbell from the outdoor unit. Verify that the indoor station rings.
- Test zvuka: Answer the call and speak into the handset. Ensure clear two-way communication.
- Door Release Test: Press the door opener button to confirm it activates the door lock mechanism.
5. Upute za rad
5.1. Odgovaranje na poziv
When the doorbell rings, lift the handset to establish communication with the visitor at the outdoor unit.
5.2. Otvaranje vrata
Tijekom poziva pritisnite gumb za otvaranje vrata (often marked with a key symbol) to release the electric door lock.
5.3. Using the Changer Button
The changer button provides access to additional services, which may vary depending on your specific door entry system configuration. Consult your system administrator or building management for details on its function.
5.4. Adjusting Ringtone and Privacy
The unit features 3-level selector switches for ringtone type (electronic/mechanical) and privacy settings. These switches are typically located on the side or bottom of the unit. Refer to the specific diagram in your installation guide for exact locations.
- Odabir melodije zvona: Choose between electronic or mechanical ringtone types.
- Način privatnosti: Activate privacy mode to prevent incoming calls from ringing the indoor station. When privacy is active, a crveno indikatorsko svjetlo će osvijetliti.
5.5. Kontrole glasnoće
Adjust the speaker and microphone volume controls to your preferred levels for clear communication. These controls are usually small dials or sliders located on the side or bottom of the handset.
6. Održavanje
6.1. Čišćenje
Clean the exterior of the unit with a soft, dry, lint-free cloth. Do not use liquid cleaners, aerosol sprays, or abrasive materials, as these can damage the finish or internal components.
6.2. Opća njega
- Avoid dropping the handset or subjecting it to strong impacts.
- Keep the unit away from sources of heat, direct sunlight, and excessive moisture.
- Ensure the coiled cord is not stretched excessively or tangled to prevent damage.
7. Rješavanje problema
| Problem | Mogući uzrok | Otopina |
|---|---|---|
| No ringtone when doorbell is pressed. |
|
|
| No audio during a call. |
|
|
| Door opener button does not work. |
|
|
If you continue to experience issues after attempting these solutions, please contact a qualified technician or Comelit customer support.
8. Specifikacije
| Marka | Comelit |
| Model | 2703U |
| Materijal | Plastični |
| Dimenzije proizvoda | 103 x 190 x 30 mm |
| Težina proizvoda | 10 grama |
| Ključne značajke | Lightweight, Universal Compatibility, Door Opener, Changer Button, Ringtone/Privacy Settings, Volume Controls |
| Potrebne baterije | Ne |
| Bluetooth podrška | Ne |
| Uključene komponente | Instalacijski hardver |
9. Jamstvo i podrška
For information regarding the product warranty, please refer to the warranty card included with your purchase or visit the official Comelit website. For technical support, troubleshooting assistance beyond this manual, or service requests, please contact Comelit customer support through their official channels.
Službenik Comelita Webstranica: www.comelitgroup.com





