Baxi 518 System 2 Installation And Service Manual

Baxi 518 System 2 Installation And Service Manual

High-efficiency wall-hung condensing gas boiler
Table of Contents

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United Kingdom
en
Installation and Service Manual & Boiler Fiche
High-efficiency wall-hung condensing gas boiler
500 System 2
15 - 18 - 24
These instructions include the Benchmark Commissioning Checklist & Boiler Fiche and should be left
with the user for safe keeping. They must be read in conjunction with the Flue Installation Guide.
For LPG conversion see p.47.

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Table of Contents
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Summarization of Contents

Safety
General safety instructions
Essential safety guidelines for operating and maintaining the boiler, including warnings and precautions.
Specific safety instructions
Detailed safety advice covering handling, installation, and specific operational risks.
Benchmark Scheme Information
Information on the Benchmark scheme, its purpose, and installer responsibilities for compliance.
About this manual
Manual Overview
General introduction to the manual's scope and purpose.
Symbols and Abbreviations
Explanation of symbols, abbreviations, and glossary terms used throughout the manual.
Technical specifications
Homologations and Certifications
Details on boiler homologations, safety, performance, quality certifications, and gas categories.
Technical data overview
Performance characteristics, output ratings, efficiency data, and key technical information.
Dimensions and connections
Diagrams and specifications for boiler dimensions and connection points.
Electrical diagram
Wiring diagram illustrating the boiler's electrical connections and component identification.
Description of the product
General product description
Overview of the boiler's purpose, features, and benefits.
Operating principle
Explanation of how the boiler functions, including combustion, heating, and DHW production.
Main Components
Identification and description of the boiler's primary internal components.
Control panel description
Details on the boiler's control panel, icons, buttons, and display functions for user interaction.
Before installation
Installation standards and rules
Overview of regulations, standards, and codes of practice that must be followed during installation.
Installation requirements
Specific requirements for gas supply, electrical connections, water systems, and ventilation.
Choice of the location
Guidelines for selecting a suitable and safe location for boiler installation, considering clearances and ventilation.
Unpacking and initial preparation
Steps for safely unpacking the boiler and performing initial preparations before installation.
Installation
General Installation Guidance
General instructions and safety precautions for mounting the boiler and connecting essential components.
Electrical connections
Step-by-step guide for making safe and correct electrical connections to the boiler and external controls.
Filling the installation
Procedures for flushing, filling, and checking the water pressure of the heating system before commissioning.
Commissioning
Checklist before commissioning
A comprehensive checklist of pre-commissioning checks to ensure safe and correct operation.
Commissioning procedure
Detailed steps for the safe and effective commissioning of the boiler, including gas and hydraulic checks.
Gas settings
Procedures for setting gas rates, checking combustion parameters, and converting to LPG.
Operation
Use of the control panel
Instructions on navigating menus, understanding display information, and operating the boiler controls.
Start-up procedures
Step-by-step guide for the initial start-up procedure and adjusting basic settings like temperatures.
Shutdown and Degassing
Instructions for safely shutting down the boiler and using the degassing function.
Settings
Accessing and List of Parameters
How to access settings, a list of configurable parameters, and their default values.
Setting the heating curve
Guidance on adjusting key parameters like heating curve, setpoints, and sensor configurations.
Reading out measured values
How to view operational status, sensor readings, and appliance information.
Maintenance
General maintenance overview
General safety and economic recommendations for boiler servicing.
Standard inspection and maintenance operations
Routine checks and maintenance tasks, including annual servicing and component inspections.
Specific maintenance operations
Procedures for replacing specific components such as electrodes, sensors, pumps, and PCB.
Troubleshooting
Fault types and codes
Explanation of fault types, codes, and their meanings to help diagnose issues.
Error code reference
A detailed list of error codes, their descriptions, and potential causes/solutions for troubleshooting.
Decommissioning
Disassembly and Recommissioning
Step-by-step instructions for safely dismantling and recommissioning the boiler.
Benchmark Commissioning & Warranty Validation
Benchmark Commissioning Checklist
Essential record for validating warranty, detailing installation and commissioning checks.
Appendix
Product fiche - System boilers
Technical data sheet providing energy efficiency and output ratings for system boilers.
Package fiche - boilers
Information on the energy efficiency of the complete boiler package, including controls and heat pumps.

Table of Contents