1. Introduction
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. Safety Information
Important Safety Instructions:
- Installation, maintenance, and repair must be performed by qualified and authorized personnel only.
- 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. Product Overview
This image displays the front 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.
Key Components:
- Control Panel: Features a digital display, rotary knobs for temperature adjustment, and various function buttons.
- Pressure Gauge: Indicates the system's water pressure.
- Gas Inlet: Connection point for the methane gas supply.
- Water Connections: Inlets and outlets for heating and domestic hot water circuits.
- Condensate Drain: Outlet for condensed water.
4. Setup and Installation
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.
General Installation Guidelines:
- Location: Can be installed indoors or in a protected outdoor area. Ensure adequate ventilation and clearance around the unit for maintenance.
- Mounting: The boiler is designed for wall mounting. Ensure the wall structure can support the boiler's weight (approximately 39 kg).
- Gas Connection: Connect to a methane gas supply in accordance with local regulations and standards.
- Water Connections: Connect to the heating system and domestic water supply lines. Install appropriate shut-off valves.
- Electrical Connection: Connect to a suitable electrical supply (cable electric) as per the boiler's specifications and local electrical codes.
- Flue System: Install a proper flue system for exhaust gases, ensuring it is sealed and correctly routed.
- Condensate Drain: 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. Operating Instructions
Once installed and commissioned by a qualified technician, operating your Immergas Victrix EXA 28 boiler is straightforward.
Turning On/Off:
- To Turn On: 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.
- To Turn Off: 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.
Temperature Adjustment:
- Heating Temperature: 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. Maintenance
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.
User Maintenance (Monthly/Quarterly):
- Visual Inspection: Check for any visible leaks, corrosion, or unusual noises.
- System Pressure: 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.
- Cleaning: Keep the exterior of the boiler clean using a soft, damp cloth. Do not use abrasive cleaners.
Professional Annual Servicing:
It is mandatory to have your boiler serviced annually by a qualified technician. This service typically includes:
- Combustion analysis to ensure optimal efficiency and safety.
- Cleaning of the heat exchanger and burner.
- Inspection of all safety devices.
- Checking and cleaning of the condensate trap and drain.
- Verification of gas and water connections.
- General operational check.
7. Troubleshooting
This section provides guidance on common issues you might encounter. For complex problems or if you are unsure, always contact a qualified service technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| No heating or hot water | No power supply Gas supply off Low system pressure Thermostat setting too low Boiler lockout/error code | Check power switch and circuit breaker Ensure gas valve is open Check pressure gauge, repressurize if needed Increase thermostat setting Note error code and consult manual/technician |
| Low system pressure | 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) | Air in the system Limescale buildup Pump issue | Bleed radiators to remove air Contact technician for system flush/descaling Contact technician |
| Boiler displaying an error code | 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. Specifications
The following are the technical specifications for the Immergas Victrix EXA 28 Condensing Boiler:
- Manufacturer: Immergas
- Model Number: 3025777
- Product Dimensions (L x W x H): 40 x 30 x 76 cm
- Weight: 39 Grams
- Color: White
- Style: Methane, 28 kW
- Material: Stainless Steel
- Power Source: Electric cable
- Special Feature: Condensing boiler
- Efficiency: High
- Mounting Type: Wall
- Components Included: Boiler unit
9. Warranty and Support
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.
