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Installation must be by a competent person following regulations.
Boiler is for Natural Gas (2nd Family) and LPG - Propane (3rd Family).
Fully modulating, pre-mix, condensing boiler, modular format up to six modules.
Suitable for unvented (pressurised) heating systems; requires safety interlocks.
Wall mounting and floorstanding requirements for boiler installation.
Requirements for gas supply pipes, connections, testing, and purging.
Use of polypropylene flue, compliance with regulations, and condensation drainage.
Suitable for sealed (pressurised) systems; pump control recommendations.
230V, 50Hz supply; earthing; isolator requirements; wiring details.
Pipework must be self-supporting; pump management; flow rate requirements.
Ensure gas installation is tested, purged, and certificates are available.
Procedure for performing a gas system leak check before lighting the boiler.
Checks for external controls, gas configuration (Parameter 36), system flushing, electrical connections.
Procedure to check static and dynamic gas inlet pressure.
Insert combustion analyser probe in flue for analysis.
Procedure for initial boiler lighting by competent persons.
Micro-processor based system, Master/Slave configuration, and performance monitoring.
Procedure to activate emergency mode by disconnecting connectors and setting switches.
How the display indicates faults and the procedure for identifying them.
Procedure to reset modules in permanent lock-out using the reset button.
Procedure to modify heating and DHW circuit set-points.
Steps for scrolling, selecting, changing, and storing parameter values.
Procedure to check combustion at max/min fan speeds and adjust gas valve.
Setting essential parameters like sequence mode, frost protection, and gas type.
Explanation of temperature limit thermostat and flame sensing safety features.
Guidance on general error codes and consulting Hamworthy Heating.
Common reasons for boiler lockout, such as ignition failure or gas supply issues.
Annual servicing by appointed person; 6-monthly examination; flue inspection.
General data and gas data for models 381, 382, 501, 502.
General data and gas data for LPG conversion.
Step-by-step guide for converting from Natural Gas to LPG.
Details on fitting 6.5mm/6.75mm LPG orifices and parameter 36 setting.
Requirements for earthing, isolation, wiring, and 3-phase supplies.
Table of flue gas temperatures, pressure, and volumes for different models.
Recommendations for flue systems, compliance with regulations, and discharge.
Details on water connections, maximum/minimum pressure, and water content.
General