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Explains the working principle of a condensing boiler.
Details optimal heating system parameters for efficiency.
General description of the boiler's automatic operation.
Explains how to access and interact with boiler controls.
Step-by-step guide to lighting the boiler.
Instructions for turning the boiler off for short/long periods.
Troubleshooting steps for burner ignition failure.
Information on the correct type of fuel for the boiler.
Explains boiler thermostat, reset button, safety thermostat, ventilation.
Specifies the electrical requirements for the boiler.
Details on pressurizing and maintaining sealed heating systems.
Provides detailed specifications and performance data for various models.
Specific data for sealed system configurations.
Technical data related to fuel type and burner settings.
Provides physical dimensions for different boiler models.
General overview of the Grant Vortex boiler range and features.
Details the various components included with the boiler.
Lists relevant building regulations and OFTEC requirements.
Information on fuel storage and types.
Specifies electrical connection requirements and safety.
Requirements for boiler air supply and ventilation.
Guidelines for installing conventional flue systems.
Describes different balanced flue system types and their limitations.
Recommendations for frost protection of the system.
Guidance on suitable locations and clearances for the boiler.
Details on water connection sizes and fittings for all models.
Specific water connection details for system models.
Specific water connection details for Boiler House models.
Requirements for sealed central heating systems.
Considerations for underfloor heating systems.
Guidance on suitable materials for pipework.
Diagram of system model components.
Explains the need for condensate disposal and methods.
Guidance on connecting condensate disposal pipes.
Details on condensate pipework materials and installation.
Illustrates the construction of a condensate soakaway.
Information on the factory-fitted condensate trap.
Details on condensate trap outlet and pipe connections.
Maintenance procedures for the condensate trap.
Procedure to relocate the condensate trap externally.
Instructions for unpacking the boiler.
Guidance on preparing the wall for flue installation.
Wall preparation for high-level and vertical balanced flues.
Instructions for making water connections.
Steps for connecting a conventional flue system.
Details on expansion vessel pressure and system volume.
Instructions for fitting the dual thermostat to Boiler House models.
Guidance on connecting the boiler's power supply.
Instructions for fitting the burner to Boiler House models.
Instructions for connecting the fuel supply.
Procedure for filling and venting sealed heating systems.
Diagram showing Riello RDB burner components.
Installer's responsibility for the boiler passport and commissioning.
Detailed steps for commissioning the boiler safely and efficiently.
Key points for the user regarding operation and maintenance.
Preliminary checks and safety precautions before servicing.
Steps for dismantling the boiler for servicing.
Procedures for cleaning boiler components like baffles and traps.
Steps for cleaning the combustion head and electrodes.
Electrical wiring diagram for utility models.
Electrical wiring diagram for system models.
Control system wiring for utility models with zone valves.
Control system wiring for utility models with 3-port valve.
Control system wiring for system models with zone valves.
Control system wiring for system models with 3-port valve.
Wiring diagram for dual thermostat in Boiler House models.
Flowchart for diagnosing burner faults.
Table of common boiler faults and their remedies.
List of spare parts for Vortex Indoor/Utility models.
Exploded view and part numbers for Riello RDB1, 2, 2.2 burners.
Exploded view and part numbers for Riello RDB3.2 burner.
Information on insulation, sealants, and fuel hazards.
Details the warranty terms and conditions for the boiler.
General