1. Introducció
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Immergas Victorx ZEUS SUPERIOR 26 ErP Condensing Boiler, model 3.025453. Please read these instructions carefully before attempting any installation or operation. Retain this manual for future reference.
2. Informació de seguretat
ADVERTIMENT: Una instal·lació, un ajust, una alteració, un servei o un manteniment incorrectes poden causar danys materials, lesions o la mort. Consulteu aquest manual. Per obtenir ajuda o informació addicional, consulteu un instal·lador qualificat, una agència de servei o el proveïdor de gas.
- Installation and servicing must be performed by a qualified and authorized technician in accordance with all local and national regulations.
- No emmagatzemeu ni utilitzeu gasolina o altres vapors i líquids inflamables a prop d'aquest o qualsevol altre aparell.
- Ensure adequate ventilation in the area where the boiler is installed.
- Mantingueu els nens allunyats de l’aparell.
- Do not block or obstruct the flow of combustion and ventilation air to the boiler.
- The boiler contains hot water and surfaces. Exercise caution to avoid burns.
3. Configuració i instal·lació
The installation of the Immergas Victorx ZEUS SUPERIOR 26 ErP Condensing Boiler must be carried out by a certified professional. This section provides a general overview; detailed steps are for qualified installers.
3.1 Desembalatge
Carefully remove the boiler from its packaging. Inspect for any signs of damage during transit. Report any damage to the supplier immediately.

Image showing the front view of the Immergas Victorx ZEUS SUPERIOR 26 ErP Condensing Boiler.
3.2 Col·locació
The boiler should be installed in a location that allows for proper ventilation, access for maintenance, and is protected from freezing temperatures. Ensure the mounting surface is capable of supporting the boiler's weight (approximately 30 kg) and dimensions (40 x 30 x 76 cm).
3.3 Connexions
- Connexió de gas: Must be performed by a qualified gas engineer. Ensure all connections are leak-free.
- Connexions d'aigua: Connect the heating flow and return pipes, and domestic hot water inlet and outlet pipes. Install appropriate isolation valves.
- Sistema de fums: Install the flue system according to manufacturer instructions and local regulations to ensure safe expulsion of combustion products.
- Connexió elèctrica: Connect the boiler to the main electrical supply via a fused spur, ensuring proper earthing.
4. Instruccions de funcionament
Once installed and commissioned by a qualified technician, your Immergas boiler is ready for operation.
4.1 Engegada/apagada
- Per encendre: Ensure the gas supply is open and the electrical supply to the boiler is switched on. The boiler will typically perform a self-check.
- Per apagar: Switch off the electrical supply to the boiler at the fused spur. For extended periods of inactivity, also close the main gas valve.
4.2 Ajust de temperatura
Use the control panel on the boiler to adjust the central heating and domestic hot water temperatures. Refer to the specific icons and buttons on your boiler's interface for precise adjustments. Typically, 'CH' or a radiator icon controls heating, and a tap icon controls hot water.
4.3 Selecció del mode
Your boiler may offer different operating modes, such as heating only, hot water only, or both. Select the desired mode using the dedicated button or dial on the control panel. Consult the display for current mode indication.
5. Manteniment
Regular maintenance ensures the longevity and efficient operation of your Immergas boiler. Only qualified personnel should perform internal maintenance.
5.1 Manteniment de l'usuari
- Inspecció visual: Periodically check the boiler for any visible signs of leaks, damage, or unusual noises.
- Neteja: The exterior casing of the boiler can be cleaned with a soft, damp tela. No utilitzeu netejadors abrasius ni dissolvents.
- Control de pressió: Monitor the system pressure gauge. If the pressure drops below the recommended level (typically 1-1.5 bar), consult your installer for instructions on repressurizing the system.
5.2 Servei professional
It is highly recommended to have your Immergas boiler serviced annually by a qualified and certified heating engineer. Annual servicing helps maintain efficiency, prevents breakdowns, and ensures safe operation.
6. Solució De Problemes
Before contacting a service technician, you can perform some basic checks for common issues.
- Sense calefacció/aigua calenta:
- Comproveu si la caldera està engegada i si el subministrament de gas està obert.
- Verify that the thermostat is set to a temperature higher than the room temperature.
- Check the system pressure.
- Codis d'error: If an error code appears on the boiler display, consult your installer or the Immergas service manual for specific meanings and solutions. Do not attempt to reset the boiler multiple times without understanding the cause of the error.
- Sorolls inusuals: Gurgling or banging noises may indicate air in the system or low pressure.
If these basic checks do not resolve the issue, or if you are unsure, contact a qualified service technician.
7. Especificacions
| Fabricant | IMERSIÓ |
| Número de model | 3025453 |
| Número de part | 3025453 |
| Dimensions del producte | 40 x 30 x 76 cm |
| Pes de l'article | 30 kg |
| Components inclosos | Caldera |
| Primera data disponible | 21 de febrer de 2020 |
8. Garantia i Suport
Your Immergas Victorx ZEUS SUPERIOR 26 ErP Condensing Boiler comes with a manufacturer's warranty. Please refer to the warranty card provided with your product for specific terms and conditions, including warranty duration and coverage.
For technical support, service requests, or warranty claims, please contact your installer or an authorized Immergas service center. Ensure you have your boiler's model number (3025453) and serial number ready when contacting support.





