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Covers installation, gas type, water content, and suitability for domestic hot water.
Details boiler models, outputs, electrical outputs, and optional features.
Information on boiler packaging, handling precautions, and warranty.
Guidance on checking deliveries and details about pipework kits.
Provides dimensions and required clearances for boiler installation.
Details dimensions for pipework kits for different boiler configurations.
Specifies requirements for boiler placement, floor, plinth, and plant room space.
Details gas pipework, connections, testing, purging, and inlet pressure.
Covers flue system types, materials, condensation, slope, and termination.
Outlines water supply requirements, pressure, flushing, and water quality.
Details requirements for condensate removal from the boiler and flue system.
Specifies electrical supply requirements, earthing, isolation, and wiring diagrams.
General guidance on assembling the boiler, including positioning and clearances.
Instructions for making water and flue connections to the boiler modules.
Details the electrical connections provided on each boiler module.
Ensures correct gas supply and plant room ventilation before commissioning.
Verifies pipework, flue system, and electrical connections are correctly installed.
Procedure for checking the boiler's gas system for leaks.
Verifies static and dynamic gas inlet pressure for correct burner operation.
Step-by-step guide for initial boiler lighting and operational checks.
Procedures for checking ignition control and combustion performance.
Setting the flow rate to achieve the specified temperature differential.
Overview of the boiler control system configuration and peripherals.
Identifies controls on the fascia and explains screen symbols and displays.
Explains how to navigate display levels, info parameters, and settings.
Details how lockout codes and error messages are displayed and interpreted.
Describes various operating modes, functions like frost protection, and anti-legionella.
Explains the function and reset procedure for the safety temperature limiter.
Details the role of the water flow switch and how to check its operation.
Covers troubleshooting ignition controller issues and potential lockout causes.
Step-by-step instructions for performing annual maintenance on the boiler.
Outlines additional checks and cleaning procedures for a four-year service.
Guide for replacing the HT electrode and flame probe, including handling precautions.
Instructions for replacing flow/return sensors, flue gas sensor, and water flow switch.
Procedures for replacing the gas valve and fan assembly.
Steps for replacing the main control PCB (LMU) and the display screen.
General