Need help?Do you have a question about the Main System 28 Eco and is the answer not in the manual?
Diagram illustrating the layout of major boiler components and their identification.
Explanation of how the boiler functions in different operating modes, including pump overrun.
Details on the integrated frost protection feature to prevent freezing.
Description of the automatic pump operation to prevent seizure.
Key technical data including inputs, outputs, pressures, dimensions, and clearances.
Diagrams and measurements for boiler installation and mounting.
Guidelines for central heating system setup, water treatment, and flushing.
Recommendations for integrating external controls for optimal boiler performance.
Instructions on selecting a suitable and safe location for boiler installation.
Minimum clearances needed around the boiler for installation and servicing.
Detailed requirements for the installation and routing of the condensate drain pipe.
Regulations and recommendations for positioning the flue terminal.
Guidance on installing horizontal flue systems, including length limits and bends.
Instructions for installing vertical and twin flue systems, including length calculations.
List of accessory parts for flue systems with their respective codes.
Details on installing the plume displacement kit to manage flue emissions.
Specific instructions and precautions for fitting plume displacement flues.
Steps for unpacking the boiler and preparing for installation.
Procedure for safely lifting and attaching the boiler to the wall plate.
Step-by-step guide for fitting horizontal and vertical flue systems.
Detailed steps for commissioning the boiler, including system filling and purging.
Procedure for checking and setting the gas inlet pressure and rate.
Tasks to complete the installation, including user handover and documentation.
Guidance on annual servicing, including safety checks and combustion performance.
Instructions for replacing the igniter unit.
Steps for removing and installing the boiler fan.
Instructions for replacing the burner assembly and associated parts.
Procedure for replacing the safety thermostat.
Guide to replacing the gas valve, including initial setting and CO2 checks.
Detailed procedure for checking and adjusting CO2 levels for optimal combustion.
Schematic showing electrical connections for all boiler components.
List of common replacement parts with manufacturer part numbers.
Basic checks to perform before diagnosing boiler faults.
Explanation of error codes displayed by the boiler and their causes.
Flowchart to diagnose issues during the central heating operational sequence.
Detailed solutions for specific fault finding sections (A, B, C, etc.).
To Next Page
General
