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Outlines responsibilities for installation, commissioning, and servicing of heating products.
Details requirements for installers regarding competence, installation, and safety.
Specifies customer interaction requirements for installers, including explanations and advice.
Covers requirements for gas supply, testing, and purging for boiler installation.
Details electrical connection requirements, earthing, and cable specifications.
Notes that the boiler does not require specific air vents for cooling.
Specifies installation requirements for the flue system according to BS 5440:1.
Provides detailed performance specifications for natural gas models.
Details performance specifications for propane gas models.
Lists physical dimensions, clearances, and weights for the boilers.
Explains flue length calculations and limitations for different configurations.
Presents a graph showing pump head versus flow rate for central heating.
Illustrates 230V and low voltage electrical connection points and options.
Diagrams the internal components and their connections within the boiler.
Covers requirements for gas supply, testing, and purging for boiler installation.
Details electrical connection requirements, earthing, and cable specifications.
Notes that the boiler does not require specific air vents for cooling.
Specifies installation requirements for the flue system according to BS 5440:1.
Details minimum clearances for flue terminal positions as per regulations.
Provides guidance on suitable locations for boiler installation.
Explains the design and components of the central heating system.
Details the procedure for filling and pressurising the heating system.
Outlines the critical steps for cleaning and flushing the heating system.
Specifies requirements for the safe disposal of boiler condensate.
Describes the operation and requirements of the domestic hot water system.
Lists the contents of the boiler packaging and components.
Shows required clearances around the boiler for installation and servicing.
Guides on preparing the wall for boiler mounting and flue installation.
Instructions on how to physically mount the boiler onto the bracket.
Details the procedure for connecting heating, water, and gas pipework.
Instructions for installing the flue system horizontally.
Guidance on cutting flue sections to achieve the correct length.
Procedures for extending the flue using additional components.
Details options for managing flue gas plume emissions.
Steps for connecting the main electrical power supply to the boiler.
Instructions for installing optional Alpha single channel controls.
Step-by-step guide to filling and venting the central heating system.
Identifies and explains the boiler's control panel features and buttons.
Procedures for testing gas supply integrity and purging the system.
Guides through the first-time lighting and purging cycle of the boiler.
Explains how the boiler prioritises and operates for heating and hot water.
Instructions for checking central heating and hot water burner pressures.
Final checks and adjustments to balance the system and ensure proper operation.
Steps for completing the boiler assembly and setting controls.
Key points to communicate to the end-user about operation and maintenance.
Details how to access and interpret information displayed on the boiler's menu.
Essential safety checks and preparation steps before performing service.
Steps to access and prepare the boiler for routine servicing.
Procedures for cleaning internal boiler components like the heat exchanger and burner.
Instructions for reassembling the boiler after cleaning and servicing.
Guides on how to gain access to different parts of the boiler casing.
Procedures for safely draining the heating and hot water circuits.
Steps for removing and replacing ignition and flame sensing electrodes.
Instructions for removing and replacing the main burner assembly.
Procedure for accessing and replacing the burner injector.
Steps to remove and replace the boiler's fan assembly.
Procedure for replacing the ignition generator unit.
Instructions for replacing the overheat thermostat.
Procedure for replacing the flue temperature sensor.
Steps for replacing the gas valve, requiring a flue gas analyser.
Guidance on locating and replacing the fuse on the PCB.
Instructions for replacing the Printed Circuit Board (PCB).
Procedure for replacing the diverter valve motor.
Steps for replacing Alpha single channel controls.
Procedure for replacing the domestic hot water temperature sensor.
Guidance on replacing front and back panel insulation.
Instructions regarding the thermal fuse and heat exchanger replacement.
Steps for replacing the domestic hot water flow switch.
Detailed procedure for removing and replacing the primary heat exchanger.
Instructions for replacing the system pressure gauge.
Procedure for replacing the primary temperature sensor.
Steps for replacing the automatic air vent.
Procedure for replacing the boiler pump.
Steps for replacing the primary pressure switch.
Instructions for replacing the pressure relief valve.
Procedure for removing and replacing the DHW heat exchanger.
Guidance on cleaning or replacing the mains water inlet filter.
Steps for replacing the diverter valve cartridge.
Procedure for replacing the expansion vessel.
Instructions for replacing the cyclone component.
Procedure for replacing the condensate trap.
Steps for replacing the seasonality valve on C models.
Shows the physical layout of electrical connections and components.
Illustrates the electrical flow and logic between components.
Preliminary checks to perform before diagnosing faults.
Lists error codes, faults, descriptions, and possible causes.
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