1. Introduction
This manual provides essential information for the safe and efficient operation and maintenance of your BAXI NEODENS LITE 24/24 F wall-mounted gas condensing boiler. This appliance is designed to provide both domestic hot water and central heating for your home.
Please read these instructions carefully before installation, operation, or maintenance. Keep this manual in a safe place for future reference.
Safety Information
- Installation and servicing must be carried out by a qualified and certified professional in accordance with all local and national regulations.
- Do not attempt to repair or modify the boiler yourself. Contact a qualified technician for any issues.
- Ensure adequate ventilation in the area where the boiler is installed.
- If you smell gas, immediately shut off the gas supply, open windows, and contact emergency services. Do not operate electrical switches.
- Keep flammable materials away from the boiler.
2. Product Overview
The BAXI NEODENS LITE 24/24 F is a high-efficiency condensing gas boiler. It features a compact design suitable for wall mounting and provides reliable heating and hot water.
Figure 2.1: Front view of the BAXI NEODENS LITE 24/24 F boiler. The digital display shows the current temperature, and control knobs are visible below.
Key Features:
- Wall-mounted condensing gas boiler.
- Provides 24 kW for domestic hot water.
- Provides 20 kW for central heating.
- Maximum power output of 28.5 kW.
- Includes a 60/100 gas outlet kit.
3. Setup and Installation
The installation of the BAXI NEODENS LITE 24/24 F boiler must be performed by a qualified and certified heating engineer. Incorrect installation can lead to serious hazards, including gas leaks, carbon monoxide poisoning, and fire.
Installation Requirements:
- Ensure the installation site complies with all local building codes and gas regulations.
- The boiler requires a suitable wall for mounting, capable of supporting its weight.
- Proper ventilation and flue system installation are critical. The boiler includes a 60/100 gas outlet kit.
- Electrical connections must be made by a qualified electrician.
- Water and gas connections must be leak-tested after installation.
Figure 3.1: Boiler dimensions for installation planning. Height: 700 mm, Width: 395 mm, Depth: 285 mm.
4. Operating Instructions
Once installed and commissioned by a qualified professional, your BAXI NEODENS LITE boiler is ready for operation. The boiler's digital display and control knobs allow for easy adjustment of settings.
Basic Operation:
- Power On/Off: Locate the main power switch, usually near the boiler, and turn it to the 'ON' position.
- Heating Mode: Use the central heating control knob (refer to your installer's specific instructions for knob identification) to set the desired heating temperature for your radiators. The digital display will show the current temperature.
- Domestic Hot Water (DHW): The boiler will automatically provide hot water when a hot water tap is opened. Adjust the DHW temperature using the dedicated control knob.
- Pressure Check: Regularly check the system pressure gauge. It should typically be between 1.0 and 1.5 bar when the system is cold. If the pressure drops significantly, consult your installer or the troubleshooting section.
For detailed programming and advanced settings, refer to the comprehensive user manual provided by your installer or available on the Baxi website.
5. Maintenance
Regular maintenance is crucial for the longevity, efficiency, and safe operation of your BAXI NEODENS LITE boiler. Annual servicing by a qualified professional is highly recommended.
Figure 5.1: Internal components of the BAXI NEODENS LITE boiler. Regular inspection and cleaning of these parts are part of professional maintenance.
User Maintenance (Monthly/Quarterly):
- Visual Inspection: Check for any visible leaks, corrosion, or unusual noises.
- Pressure Check: Monitor the system pressure gauge as described in the operating instructions.
- Ventilation: Ensure that air vents and flues are not obstructed.
Professional Annual Service:
A qualified service technician will perform a thorough inspection, cleaning, and testing of all boiler components, including:
- Heat exchanger cleaning.
- Burner inspection and cleaning.
- Flue gas analysis.
- Safety device checks.
- Expansion vessel and pressure checks.
6. Troubleshooting
Before calling a service technician, you can perform some basic checks if your boiler is not functioning as expected. Always prioritize safety.
| Problem | Possible Cause | Solution |
|---|---|---|
| No heating or hot water | Low system pressure, power supply off, thermostat setting too low, gas supply off. | Check pressure gauge (re-pressurize if needed by a professional), ensure boiler is powered on, check thermostat, ensure gas valve is open. |
| Boiler making unusual noises | Air in the system, limescale buildup, pump issues. | Bleed radiators (if applicable), contact a qualified technician for further diagnosis. |
| Boiler displaying an error code | Specific fault detected by the boiler's internal diagnostics. | Consult the full user manual for error code definitions. If unable to resolve, contact a qualified technician. |
| Water leak | Loose connection, faulty component, corrosion. | Immediately turn off the water supply to the boiler and contact a qualified technician. |
Important: For any issue that you cannot safely resolve, or if you suspect a gas leak, immediately shut off the gas supply and contact a qualified heating engineer or emergency services.
7. Specifications
Detailed technical specifications for the BAXI NEODENS LITE 24/24 F boiler.
| Manufacturer | BAXI |
| Model | NEODENS LITE 24/24 F |
| Type | Wall-mounted Gas Condensing Boiler |
| Domestic Hot Water Output | 24 kW |
| Central Heating Output | 20 kW |
| Maximum Power Output | 28.5 kW |
| Dimensions (Height x Width x Depth) | 700 mm x 395 mm x 285 mm |
| Gas Outlet Kit Included | 60/100 |
| Spare Parts Availability | Information not available (as per product data) |
8. Warranty and Support
For warranty information, please refer to the documentation provided with your boiler at the time of purchase or contact your installer. Warranty terms and conditions may vary by region and installer.
For technical support, spare parts, or professional servicing, please contact your authorized Baxi installer or visit the official Baxi website:
