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Details performance specifications for natural gas operation.
Covers clearances, dimensions, and mounting requirements for installation.
Presents key performance data including efficiency and NOx class.
Specifies flue lengths, bends, and extensions for safe installation.
Provides data on pump head availability for central heating outputs.
Details wiring requirements, including earthing and clock connections.
Diagram illustrating the boiler's internal components and their connections.
Guidance on flue system installation, types, and lengths.
Specifies regulations for flue terminal positioning to ensure safety and prevent nuisance.
Details the design and components of the central heating system.
Instructions for filling and pressurizing the central heating system.
Procedures for cleaning and flushing the heating system before and after installation.
Details requirements for the domestic hot water system, including flow rates and pressure.
Procedure for fitting the boiler onto the mounting bracket.
Instructions for connecting the central heating and hot water pipework.
Procedure for fitting the CD Easy-Flue, including length calculations.
Guidance on extending the flue length beyond standard limits.
Instructions for connecting the boiler to the mains electrical supply.
Steps for filling and venting the central heating system.
Procedures for testing gas supply tightness and purging the system.
Steps for the initial lighting of the boiler.
Diagram showing the electrical connections and layout of the boiler.
Illustrates the functional flow of electrical signals within the boiler.
Initial checks to perform before diagnosing specific faults.
Troubleshooting guide for central heating mode operation.
Troubleshooting guide for domestic hot water mode operation.
Detailed solutions for faults A through D, with diagnostic steps.
Detailed solutions for faults E through K, with diagnostic steps.