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Details available optional kits and configurations for the boiler.
Guidelines for safely moving and placing the boiler unit during installation.
Requirements for selecting an appropriate installation location for the boiler.
Specifications and regulations for the natural gas supply connection.
Guidelines for flue system design, materials, and installation for safe operation.
Requirements for the system's water connections, pressure, and treatment.
Instructions for connecting and discharging boiler condensate safely.
Electrical connection requirements, safety precautions, and wiring standards.
Procedure for fitting the flue connection pipe to the boiler unit.
Details on connecting flow and return water pipes to the boiler.
Overview of electrical connection points and their functions on the boiler.
Checks and certifications required for the gas supply before commissioning.
Ensuring adequate ventilation and air supply to the plantroom.
Verification of correct installation and readiness of pipework, valves, and pumps.
Ensuring the flue system is correctly installed and clear for operation.
Confirmation of correct and isolatable electrical connections.
Procedure to ensure the gas system is leak-free before initial ignition.
Essential checks on gas supply, electricals, and system before firing.
Step-by-step guide for the first ignition and startup of the boiler.
Procedures for measuring and adjusting CO2 levels for optimal combustion.
Method for measuring burner pressure to assess resistance over time.
Introduction to the Navistem boiler controller and its components.
Explanation of the boiler's display screen, icons, and status indicators.
Details on specific functions like frost protection, pump overrun, and overheat protection.
How the safety temperature limiter functions and how to troubleshoot trips.
Troubleshooting steps for ignition failures and flame detection issues.
Recommendations for routine annual and bi-annual servicing of the boiler.
Procedure for replacing the igniter and flame probe assembly.
Steps for replacing the safety temperature limiter (limit stat).
Guidance on replacing the main gas valve assembly.
Instructions for removing and replacing the combustion fan.
General recommendations and requirements for flue system design and installation.
Key considerations for installing flue systems with Purewell Variheat mk2 boilers.
Data on waste gas volumes and temperatures for flue system design.
Guidelines for managing and discharging flue condensate from the system.
Recommendations for providing adequate air supply for combustion and ventilation.
Requirements for natural ventilation of the boiler room.
Guidelines for using mechanical ventilation systems for the boiler room.
Important details for the correct installation of the water circulation system.
Minimum system water pressure requirements for boiler operation.
Information on the safety valve and its importance for system protection.
Required minimum water flow rates to maintain boiler efficiency and prevent damage.
Contact information for sales and service in Southern Ireland.
Contact information for sales and service in Northern Ireland.
Contact information for sales and service in Scotland.
Contact information for service in North East England.
Contact details for Hamworthy's central sales, technical, and service departments.
General