1. Introdución
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Immergas Victrix EXA 28 condensing boiler. Please read this manual thoroughly before attempting any installation, operation, or maintenance procedures. Keep this manual in a safe place for future reference.
2. Información de seguridade
Instrucións de seguridade importantes:
- A instalación, o mantemento e a reparación só deben ser realizados por persoal cualificado e autorizado.
- Ensure the boiler is disconnected from the main power supply before performing any service or maintenance.
- Do not block or obstruct any ventilation openings on the boiler or in the installation area.
- Never store flammable materials near the boiler.
- In case of gas odor, immediately shut off the gas supply, open windows, and contact a qualified technician. Do not operate electrical switches.
- Regularly check the system pressure as indicated on the boiler's pressure gauge.
3. Produto rematadoview

Esta imaxe mostra a parte dianteira view of the Immergas Victrix EXA 28 condensing boiler. It is a white, rectangular unit with a control panel located at the bottom. The control panel features two rotary knobs, a digital display, and several buttons, along with a pressure gauge on the right side. The brand name 'IMMERGAS' is visible below the control panel.
The Immergas Victrix EXA 28 is a high-efficiency condensing boiler designed for heating and domestic hot water production. Its compact design allows for versatile installation options, including indoor and outdoor protected areas.
Compoñentes clave:
- Panel de control: Features a digital display, rotary knobs for temperature adjustment, and various function buttons.
- Manómetro: Indicates the system's water pressure.
- Entrada de gas: Connection point for the methane gas supply.
- Conexións de auga: Inlets and outlets for heating and domestic hot water circuits.
- Drenaxe de condensado: Outlet for condensed water.
4. Configuración e instalación
The Immergas Victrix EXA 28 boiler is designed for installation by certified professionals only. Incorrect installation can lead to serious injury, property damage, or void the product warranty.
Directrices xerais de instalación:
- Localización: Can be installed indoors or in a protected outdoor area. Ensure adequate ventilation and clearance around the unit for maintenance.
- Montaxe: The boiler is designed for wall mounting. Ensure the wall structure can support the boiler's weight (approximately 39 kg).
- Conexión de gas: Connect to a methane gas supply in accordance with local regulations and standards.
- Conexións de auga: Connect to the heating system and domestic water supply lines. Install appropriate shut-off valves.
- Conexión eléctrica: Connect to a suitable electrical supply (cable electric) as per the boiler's specifications and local electrical codes.
- Sistema de combustión: Install a proper flue system for exhaust gases, ensuring it is sealed and correctly routed.
- Drenaxe de condensado: Connect the condensate drain to an appropriate waste system.
After installation, the system must be filled with water and purged of air. The system pressure should be set to the recommended level, typically between 1.0 and 1.5 bar, as indicated on the pressure gauge.
5. Instrucións de funcionamento
Once installed and commissioned by a qualified technician, operating your Immergas Victrix EXA 28 boiler is straightforward.
Activar/Desactivar:
- Para activar: Ensure the gas supply is open and the boiler is connected to the power supply. Use the main power switch on the boiler or external control to turn the unit on. The digital display will illuminate.
- Para desactivar: Use the main power switch to turn off the boiler. For extended periods of inactivity (e.g., summer), it is recommended to also close the gas supply valve.
Axuste de temperatura:
- Temperatura de calefacción: Use the dedicated rotary knob on the control panel to adjust the desired heating water temperature. The digital display will show the set temperature.
- Domestic Hot Water (DHW) Temperature: Use the separate rotary knob to set the desired temperature for domestic hot water.
Refer to the specific icons and indicators on your boiler's control panel for detailed information on operating modes, error codes, and system status.
6. Mantemento
Regular maintenance is crucial for the longevity, efficiency, and safe operation of your Immergas Victrix EXA 28 boiler. All maintenance procedures, especially those involving internal components, must be performed by a qualified service technician.
Mantemento do usuario (mensual/trimestral):
- Inspección visual: Check for any visible leaks, corrosion, or unusual noises.
- Presión do sistema: Monitor the pressure gauge. If the pressure drops below 1.0 bar, repressurize the system according to the instructions provided by your installer or a qualified technician.
- Limpeza: Keep the exterior of the boiler clean using a soft, damp pano. Non use produtos de limpeza abrasivos.
Professional Annual Servicing:
It is mandatory to have your boiler serviced annually by a qualified technician. This service typically includes:
- Análise de combustión para garantir unha eficiencia e seguridade óptimas.
- Limpeza do intercambiador de calor e do queimador.
- Inspección de todos os dispositivos de seguridade.
- Comprobación e limpeza do sifón e do sumidoiro de condensados.
- Verification of gas and water connections.
- General operational check.
7 Solución de problemas
This section provides guidance on common issues you might encounter. For complex problems or if you are unsure, always contact a qualified service technician.
| Problema | Causa posible | Solución |
|---|---|---|
| Sen calefacción nin auga quente | Sen fonte de alimentación Subministro de gas desconectado Baixa presión do sistema Axuste do termostato demasiado baixo Boiler lockout/error code | Check power switch and circuit breaker Ensure gas valve is open Check pressure gauge, repressurize if needed Aumentar a configuración do termostato Note error code and consult manual/technician |
| Baixa presión do sistema | Water leak in system Normal pressure drop over time | Check for visible leaks, contact technician if found Repressurize the system using the filling loop (refer to installer's instructions) |
| Unusual noises (e.g., banging, gurgling) | Aire no sistema Acumulación de cal Problema da bomba | Bleed radiators to remove air Contact technician for system flush/descaling Contacte co técnico |
| Caldeira que mostra un código de erro | Specific fault detected by the boiler's diagnostics | Note the exact error code. Refer to the boiler's technical documentation or contact a qualified technician, providing the error code. |
8. Especificacións
The following are the technical specifications for the Immergas Victrix EXA 28 Condensing Boiler:
- Fabricante: Immergas
- Número de modelo: 3025777
- Dimensións do produto (L x W x H): 40 x 30 x 76 cm
- Peso: 39 gramos
- Cor: Branco
- Estilo: Methane, 28 kW
- Material: Aceiro inoxidable
- Fonte de enerxía: Cable eléctrico
- Característica especial: Caldeira de condensación
- Eficiencia: Alto
- Tipo de montaxe: Muro
- Compoñentes incluídos: Boiler unit
9. Garantía e soporte
For information regarding the warranty period and terms for your Immergas Victrix EXA 28 boiler, please refer to the separate warranty document provided at the time of purchase or contact your authorized Immergas dealer or installer.
For technical support, spare parts, or professional servicing, please contact your local Immergas service center or the installer who performed the installation. Always provide your boiler's model number (Victrix EXA 28) and serial number (found on the boiler's rating plate) when seeking support.





