1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Baxi Duo-tec Compact E 24 condensing boiler (Model A7722082). Please read this manual thoroughly before attempting any installation, operation, or maintenance procedures. Retain this document for future reference.
2. Safety Information
Your Baxi Duo-tec Compact E 24 boiler is a gas appliance and must be installed, commissioned, serviced, and repaired by a qualified and competent professional in accordance with all local and national regulations. Failure to comply with these instructions can result in serious injury, property damage, or death.
- Professional Installation: Installation and initial setup must be performed by a certified technician.
- Gas Safety: If you smell gas, immediately shut off the gas supply, open windows, and contact emergency services. Do not operate any electrical switches.
- Electrical Safety: Ensure the boiler is properly earthed. Do not touch electrical components with wet hands.
- Ventilation: Ensure adequate ventilation as required by local regulations for gas appliances.
- Children and Pets: Keep children and pets away from the boiler during operation and maintenance.
- Modifications: Do not modify the boiler or its components. Use only genuine Baxi spare parts.
3. Product Overview
The Baxi Duo-tec Compact E 24 is a high-efficiency condensing boiler designed for central heating and domestic hot water production. It features a compact design, making it suitable for various installation environments, and operates on natural gas.
Figure 3.1: Front view of the Baxi Duo-tec Compact E 24 boiler. The digital display shows '43.0', indicating a temperature setting or current temperature. Below the display are several control buttons.
Figure 3.2: Angled view of the Baxi Duo-tec Compact E 24 boiler, highlighting its sleek, compact design and the integrated control panel.
Key Features:
- Condensing technology for high energy efficiency.
- 24 kW heating output, suitable for residential applications.
- Operates on natural gas.
- Compact dimensions for flexible installation.
- Includes a flue kit for exhaust gas management.
- Equipped with an electronic anti-freeze system for outdoor installations.
4. Setup and Installation
The Baxi Duo-tec Compact E 24 boiler is designed for wall-mounted installation. Due to its advanced features and gas connection requirements, installation must be carried out by a qualified and certified heating engineer.
4.1 Wall Mounting
The boiler is designed to be securely mounted on a suitable wall. The installation location should allow for proper ventilation, access for servicing, and connection to gas, water, and flue systems.
Figure 4.1: The Baxi Duo-tec Compact E 24 boiler installed on a wall, demonstrating a typical indoor setup. A room thermostat is visible nearby for temperature control.
4.2 Outdoor Installation
The Duo-tec Compact E boilers can be installed outdoors in partially protected areas. This is facilitated by a new upper cover kit and an optional lower closure kit. The boiler range is equipped as standard with an electronic anti-freeze system that guarantees operation down to -5 °C. Furthermore, IPX5D protection safeguards electrical parts from water jets that may come from any direction.
Figure 4.2: Exploded diagram illustrating the components for outdoor installation, including the new outdoor cover kit (comprising flue discharge kit and outdoor rosette) and the lower closure kit. An example of an outdoor installation on a balcony is also shown.
4.3 Flue System
The boiler includes a flue kit for the safe discharge of combustion gases. The flue system must be installed according to manufacturer instructions and local building codes to ensure proper and safe operation.
5. Operating Instructions
Once installed and commissioned by a qualified technician, your Baxi Duo-tec Compact E 24 boiler is ready for operation. The control panel allows you to adjust heating and domestic hot water settings.
5.1 Power On/Off
To power on the boiler, ensure the main electrical supply switch is in the 'ON' position. The boiler will typically perform a self-check. To power off, switch off the main electrical supply.
5.2 Temperature Adjustment
Use the control buttons on the front panel to adjust the desired temperature for central heating and domestic hot water. Refer to the specific icons on the control panel for heating and hot water functions. The digital display will show the current settings or operating temperatures.
5.3 Display Indicators
The digital display provides information on the boiler's status, current temperatures, and any error codes. Consult the full technical manual (provided by your installer) for a detailed explanation of all display indicators and error codes.
6. Maintenance
Regular maintenance is crucial for the longevity, efficiency, and safe operation of your Baxi Duo-tec Compact E 24 boiler. All maintenance work, especially involving internal components, must be performed by a qualified service technician.
- Annual Servicing: It is recommended to have your boiler serviced annually by a Gas Safe registered engineer (or equivalent local certification).
- Pressure Check: Periodically check the system pressure gauge (usually located on or near the boiler). The pressure should typically be between 1 and 1.5 bar when the system is cold. If the pressure is consistently too low or too high, contact a technician.
- Cleaning: Keep the exterior of the boiler clean and free from obstructions. Do not use abrasive cleaners.
- Ventilation: Ensure that all ventilation openings are clear and unobstructed.
Figure 6.1: The boiler installed in a utility room, demonstrating how its compact size allows for integration into various household spaces, including those with other appliances.
Figure 6.2: The boiler discreetly installed within a kitchen cabinet, showcasing its ability to blend into modern living spaces due to its compact dimensions.
7. Troubleshooting
This section provides basic troubleshooting steps for common issues. For complex problems or if you are unsure, always contact a qualified service technician.
Common Issues and Solutions:
- No Heat/Hot Water:
- Check if the boiler is powered on.
- Verify the gas supply is open.
- Check the system pressure; repressurize if too low (refer to your installer's instructions or the full technical manual).
- Ensure the thermostat is set correctly and calling for heat.
- Error Codes on Display:
- Note down the error code displayed.
- Consult the full technical manual for the meaning of the code and recommended actions.
- If the issue persists after basic troubleshooting, contact a qualified technician, providing them with the error code.
- Unusual Noises:
- Minor operational noises are normal.
- Loud or unusual banging, whistling, or grinding noises may indicate a problem. Contact a technician.
8. Specifications
Detailed technical specifications for the Baxi Duo-tec Compact E 24 boiler (Model A7722082).
| Specification | Detail |
|---|---|
| Manufacturer | Baxi |
| Model Number | A7722082 |
| Dimensions (Package) | 82 x 48 x 33 cm |
| Weight (Item) | 34 kg |
| Color | White |
| Energy Source | Natural Gas |
| Power Output | 24 kW |
| Mounting Type | Wall |
| Efficiency Rating | A |
| Special Features | Condensing boiler, Electronic anti-freeze system, IPX5D protection |
| First Available | February 21, 2020 |
9. Warranty and Support
For warranty information, please refer to the documentation provided at the time of purchase or contact your installer. Baxi provides support through its authorized service network. In case of technical issues or service requests, please contact a qualified Baxi service partner.
