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General| Type | Combi Boiler |
|---|---|
| Output Rating | 40 kW |
| Efficiency | A |
| Width (mm) | 450 |
| Height (mm) | 700 |
| Fuel Type | Gas |
| Hot Water Flow Rate | 14.0 l/min |
| ERP Rating | A |
| Efficiency Rating | A |
| Mounting | Wall-mounted |
| Warranty (Years) | 7 |
| Central Heating Flow Rate | 40 kW |
| Gas Type | Natural Gas |
| Warranty | 7 years |
Explains the purpose and responsibilities of the Benchmark Scheme for installers and manufacturers.
Emphasizes critical aspects and regulations for the installation, commissioning, service, and repair of the appliance.
Covers preparation, safe lifting techniques, and general precautions for manual handling.
Details the boiler's type, output specifications, gas setting, and system suitability.
Provides a labelled diagram identifying various internal components of the boiler.
Describes the operational sequence for the central heating function, including burner ignition and pump overrun.
Details the operation of the domestic hot water system, highlighting priority and temperature control.
Lists key technical data such as appliance type, power consumption, gas rates, and dimensions.
Provides information on water byelaws compliance and relevant publications.
Advises on system flushing and the use of inhibitors to prevent corrosion.
Details the procedure for filling and pressurizing the central heating system.
Explains the function, setting, and discharge pipe requirements for the safety relief valve.
Outlines the requirements for the domestic hot water circuit and potential issues.
Details suitable locations for boiler installation, considering flue and environmental factors.
Specifies minimum clearances required around the boiler for installation and maintenance.
Details the requirements for connecting the boiler to the gas supply.
Specifies the electrical supply requirements and connection methods.
Provides detailed instructions for the correct installation of the condensate drain pipework.
Details the general requirements and guidelines for siting balanced flue terminals.
Explains the installation and limitations of horizontal flue systems, including length calculations.
Specifies maximum permissible equivalent flue lengths for different configurations.
Covers unpacking the boiler, site preparation, and template positioning.
Instructions for securely mounting the boiler onto the prepared wall plate.
Step-by-step guide for assembling and installing the flue pipe.
Details how to connect the boiler to the mains power and external controls.
Covers priming, system flushing, pressure checks, and gas type verification.
Explains how to measure and verify gas pressure and rate for correct boiler operation.
Details final steps for handover, user instruction, and system checks.
Outlines checks for safety, economy, and combustion performance during servicing.
Instructions for replacing the ignition and flame sensing electrodes.
Step-by-step guide to replacing the boiler fan assembly.
Instructions for removing and replacing the burner assembly.
Procedure for removing and replacing the flue sensor.
Guide for replacing the heating flow and return temperature sensors.
Instructions for replacing the Hall Effect sensor.
Details the process for replacing the safety pressure relief valve.
Procedure for replacing the boiler's main control board and data stick.
Step-by-step instructions for replacing the gas valve, including calibration.
Explains how to measure and verify CO2 levels for correct combustion.
Shows the electrical connections for all components and external controls.
Outlines basic checks to perform before investigating specific faults.
Lists and explains the meaning of error codes displayed by the boiler.
Covers the positioning and connection of an optional outdoor temperature sensor.
Step-by-step guide for wiring a 7-day wired control to the boiler.
Procedure for wiring wireless sensors and their receivers to the boiler.
