Baxi Bermuda 45/3 M Servicing Instructions
Gas fired central heating unit
gas type g20 (natural gas)
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Also See for Bermuda 45/3 M:
- User's operating (8 pages) ,
- Installation and servicing instructions (40 pages)
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Summarization of Contents
Introduction
Description
Describes the Baxi Bermuda boiler, its types, and heat output specifications.
Installation Overview
Outlines general installation requirements and relevant British Standards.
B.S. Codes of Practice
Lists British Standards relevant to the installation process.
Technical Data
Bermuda Boiler 57/3 Specifications
Provides detailed technical specifications for the Baxi Bermuda 57/3 boiler model.
Bermuda Boiler 45/3 Specifications
Provides detailed technical specifications for the Baxi Bermuda 45/3 boiler model.
System Details
Water Circulating Systems
Explains suitability for open vented and sealed systems, and system conditions.
Pipework Guidelines
Guidance on determining pipe sizes according to BS 5449.
System Controls
Recommendations for heating system controls like timers and thermostats.
Fully Pumped System
Details on pipe sizing and layout for fully pumped heating systems.
Overheat Kit and Sealed Systems
Information on overheat thermostat kits for sealed systems.
Storage Systems
Guidance on using the Baxi Bermuda boiler with storage systems.
Pumped Heating & Gravity Hot Water
Details for systems with pumped heating and gravity hot water.
Site Requirements
Builders Opening
Specifies minimum dimensions and construction for the boiler opening.
Location Requirements
Defines acceptable and unacceptable installation locations for the appliance.
Fireplace Opening and Surround
Details fireplace opening sizes and surround requirements.
Hearth Mounting
Requirements for hearth mounting and compliance with BS 5871.
Wall Mounting
Lists firefronts suitable for wall mounting applications.
Flue Requirements
9in X 9in Brick Flue
Requirements for brick flues, including liners and terminals.
Acid Resistant Liners
Guidelines for using acid-resistant liner systems.
Precast Flues
Specifications for precast flue installations.
Proprietary Flues
Requirements for proprietary flue systems.
Installation
Initial Preparation
Steps for unpacking and preparing the boiler for installation.
Siting the Boiler
Guidance on positioning the boiler within the fireplace opening.
Securing the Boiler
Instructions for securely fixing the boiler to the hearth.
Water Connections
Details on connecting the flow and return water pipes to the boiler.
Fully Pumped Systems Connections
Connecting pumped flow and return pipes for fully pumped systems.
Overheat Thermostat Installation
Information on fitting an overheat thermostat modification kit.
Pumped Heating & Gravity Hot Water Connections
Connecting systems with pumped heating and gravity hot water.
Gas Connection
Instructions for connecting the gas supply to the boiler.
Electrical Connection
Requirements for connecting the appliance to the electrical supply.
Making the Electrical Connection
Step-by-step guide for connecting the electrical wiring.
Fitting the Controls
Procedure for fitting the boiler controls assembly.
Flue Connection
Steps for connecting the flue to the boiler.
Completion of Installation
Final steps to seal openings and secure cables.
Annual Servicing
Removal of Firefront for Servicing
Procedure for isolating power and gas before removing the firefront.
Removal of Controls
Steps to remove the boiler controls assembly.
Cleaning the Lint Arrestor
Instructions for removing and cleaning the lint arrestor.
Cleaning the Burner and Main Injector
Procedure for cleaning the burner blades and main injector.
Cleaning the Pilot Assembly
Steps for cleaning the pilot burner and injector.
Cleaning the Heat Exchanger
Procedure for cleaning the heat exchanger fins and flueways.
Changing Components
Removal of Firefront for Component Change
Procedure for removing the firefront before changing components.
Ignition Lead and Electrode Replacement
Steps for replacing the ignition lead and electrode.
Gas Valve Replacement
Procedure for removing and replacing the gas valve.
Burner and Main Injector Replacement
Instructions for replacing the burner and main injector.
Pilot Injector Replacement
Procedure for removing and replacing the pilot injector.
Thermocouple Replacement
Steps for replacing the thermocouple.
Thermostat Replacement
Procedure for removing and replacing the thermostat.
Piezo Igniter Unit Replacement
Steps for removing and replacing the piezo igniter unit.
Suppression Capacitor Replacement
Procedure for replacing the suppression capacitor.
Thermostat Sensor Replacement
Steps for replacing the thermostat sensor.
Thermostat Potentiometer Replacement
Procedure for replacing the thermostat potentiometer.
Printed Circuit Board Replacement
Steps for replacing the printed circuit board (PCB).
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