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Specifies installation suitability for G.B. & I.E., requiring a CORGI Registered Installer and adherence to regulations.
Outlines the process for initial filling and pressurising of the system, adhering to water regulations.
Specifies the pressure relief valve setting (3 bar) and requirements for the discharge pipe routing and safety.
Stresses that installation must be by a CORGI Registered Installer adhering to GAS SAFETY, BUILDING REGULATIONS, and I.E.E. Wiring Regulations.
Details gas installation requirements according to BS6891 and the 22mm copper tail connection at the gas service cock.
Covers checking gas supply, positioning the fixing template, marking holes for wall plate and pipes, and cutting flue hole.
Guides on lifting the boiler, engaging it onto the wall plate hooks, ensuring it is level, and securing it to the wall.
Provides step-by-step instructions for fitting the horizontal flue, including measuring, cutting, and securing the ducts.
Continues flue fitting, covering inserting ducts through the wall, sealing, and making good around the installation.
Explains how to connect the mains input cable, route it to the terminal block, and connect external controls if used.
Outlines essential pre-commissioning checks including ground continuity, resistance, short circuits, and polarity.
Covers opening water supply, purging DHW system, pressurising, gas supply, and soundness tests.
Details connecting a pressure gauge, checking gas supply pressure, and adjusting burner pressure if required.
Recommends annual servicing by a competent person, ensuring the boiler is cool and supplies are isolated.
Covers removing internal components, cleaning filters, and completing the service log book.
Covers checking power, system pressure, electrical systems, external controls, and fuses before troubleshooting.
Provides a step-by-step diagnostic flowchart for identifying and resolving central heating operational faults.
Offers a diagnostic flowchart for troubleshooting issues related to domestic hot water supply and operation.
Details specific solutions for faults identified in sections A through E, including checks for voltage and component issues.
Provides troubleshooting solutions for faults identified in sections E through H, covering gas at burner and voltage checks.
Details troubleshooting solutions for faults identified in sections I through K, focusing on flame sensing and thermostat issues.
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