What to do if Baxi DUO-TEC COMPACT Boiler shows incorrect power supply frequency?
If your Baxi Boiler is showing an incorrect power supply frequency, determine whether the issue originates from causes outside the boiler. If so, contact the power supply company.
How to fix internal board error in Baxi DUO-TEC COMPACT?
If your Baxi Boiler displays an internal board error, check the connections between the gas valve and the electronic board.
What causes fumes fault during calibration in Baxi DUO-TEC COMPACT Boiler?
If your Baxi Boiler experiences a fumes fault during calibration, which may be due to fumes recirculation, check for any recirculation of fumes. Activate the automatic calibration function as described in the paragraph YEARLY MAINTENANCE – REPLACING COMPONENTS.
What to do if fault in system filling phase in Baxi Boiler?
If there's a fault during the system filling phase of your Baxi Boiler, check the filling tap.
What to do if parasite flame appears in Baxi DUO-TEC COMPACT Boiler?
If your Baxi Boiler is showing a parasite flame (internal error), check the correct operation of the gas valve.
General| Model | DUO-TEC COMPACT |
|---|---|
| Category | Boiler |
| Type | Combi |
| Mounting | Wall-mounted |
| Gas Type | Natural Gas / LPG |
| NOx Class | 5 |
| Output | 24 kW |
| Dimensions | 700 x 400 x 295 mm |
| Weight | 32 kg |
| Modulation | 1:7 |
Explains various hazard, warning, and prohibition symbols used throughout the manual.
Instructions for handling gas leaks and combustion fumes, including immediate actions and contacting service.
Precautions regarding flammable materials and the essential safety step of powering off before cleaning.
Guidelines for DHW circuit water quality and heating circuit cleaning to ensure proper operation and prevent damage.
Critical checks required before initial boiler lighting, ensuring compliance and proper setup for warranty.
Advice on adjusting heating water temperature and room temperature for energy efficiency.
Tips for saving energy when heating domestic hot water, focusing on temperature settings.
Guide to setting the desired flow temperatures for central heating and domestic hot water.
Instructions on how to enable and choose between DHW, Heating & DHW, or Heating Only operating modes.
Explanation of the boiler's built-in anti-freeze protection for heating systems during winter.
States that gas conversion (Natural Gas to LPG or vice-versa) must be performed by an authorized service center.
How to identify faults via display codes and the procedure for resetting the boiler after a fault occurs.
Instructions on how to access and view various operational parameters and diagnostic information from the boiler.
Correct method to switch off the boiler using the main switch, noting anti-freeze function remains active.
Guidance on checking system pressure and safely filling the heating system with water.
Emphasizes the need for annual checks by an authorized service center to ensure efficiency and safety.
Precautions for low temperatures, system design, and packaging safety before installation.
Steps for physically mounting the boiler, connecting water, gas, and flue systems, and fitting taps.
Details on installing coaxial flue ducts, including bend limitations and securing methods for optimal performance.
Guidance on using splitting kits for separate inlet and outlet ducts, including bend limitations and system adaptation.
Step-by-step instructions for wiring a room thermostat to the boiler's terminal block M1 for temperature control.
How to connect an external sensor and set the 'Kt' climate curve for automatic heating temperature adjustment.
Instructions for electrically connecting an external storage boiler, including sensor placement and parameter settings.
Guidance on using a programmable relay board to manage zone heating systems with valves or thermostats.
Step-by-step guide for the first boiler ignition, including system venting and gas type identification.
How to use the function to remove air from the heating circuit after installation or maintenance.
Procedure to activate maximum heating power for boiler maintenance or testing.
Table of CO2/O2 values for natural gas (G20) and LPG (G31) at different power levels for proper operation.
Procedure to adjust the CO2 percentage for optimal combustion at various operating powers.
Information on the gas valve, noting it has electronic auto-adaptation and requires no mechanical adjustment.
Details on converting between Natural Gas and LPG, requiring authorized service and parameter adjustments.
Guide to accessing and modifying various boiler parameters using the control panel, with a detailed parameter table.
Table showing how to adjust parameter P13 (percentage) to match the desired maximum heating output in kW for different boiler models.
Comprehensive list of fault codes displayed by the boiler and the recommended service actions or checks for each.
Details on specific fault codes related to ignition, gas valve, fan, power supply, and safety thermostat interventions.
Information on the number of reset attempts allowed and general notes regarding fault display and intervention.
Description of safety devices like limit thermostat, NTC fumes sensor, flame ionisation detector, and hydraulic pressure switch.
Information on the pump's head and flow rate characteristics, including an automatic air valve feature.
Reference to diagrams for correct positioning of ignition and flame sensing electrodes for reliable operation.
Comprehensive list of checks for optimal boiler efficiency and safety, including gaskets, electrodes, burner, fan, and flue.
Procedures for cleaning filters in the DHW and CH circuits, and maintenance of the hydraulic unit.
Step-by-step guide for safely removing and cleaning the stainless steel plate-type water-water heat exchanger.
List of components that require replacement and the subsequent automatic calibration procedure.
Detailed steps for performing the automatic calibration after component replacement to ensure optimal combustion.
Detailed technical data including heat input/output, efficiency, pressure limits, temperature ranges, and consumption figures.
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