Do you have a question about the Grant Vortex 50/90 and is the answer not in the manual?
Explains the working principle of a condensing boiler and its efficiency.
Details optimal design parameters for efficient heating system performance with the boiler.
General description and identification of the boiler's controls and panel.
Step-by-step instructions for safely lighting and operating the boiler.
Procedures for turning off the boiler and troubleshooting common burner issues.
Information on fuel type, handling, and general system maintenance notes.
Requirements for electricity supply and sealed heating system pressure.
A table listing technical specifications for various Vortex External Module models.
Data on sealed systems, kerosene usage, and burner details for different models.
Diagrams illustrating the physical dimensions for different Vortex External Module models.
Overview of the boiler's design, application, and key components.
Lists regulations, fuel storage, piping, and system configurations.
Details on single pipe, two-pipe, and Tiger Loop fuel supply systems.
Details on electricity supply, frost protection, and selecting a suitable boiler location.
Instructions for water connections, sealed systems, underfloor heating, and pipework.
General requirements, pipework, and soakaway guidelines for condensate disposal.
Details on the condensate trap, its location, and possible disposal pipework routes.
Procedure for regularly checking and cleaning the condensate trap.
Steps for unpacking, preparing the site, and positioning the boiler.
Guidance on making water connections and installing various flue systems.
Model-specific instructions for installing sealed system kits.
Procedures for connecting electricity, fuel, and filling the sealed system.
Identification and location of the RDB burner components.
Detailed steps for commissioning the boiler to ensure safe and efficient operation.
Installer's responsibility for completing and returning the boiler passport.
Key information for users on operation, safety, and servicing importance.
Important notes and safety precautions to be taken before servicing.
Procedures for dismantling internal parts and cleaning the boiler.
Detailed steps for cleaning, inspecting, and adjusting burner components.
Diagram illustrating the electrical wiring for the boiler and its controls.
Flowchart for diagnosing and resolving burner-related issues.
Common boiler faults and their corresponding remedies.
Visual identification and technical details of different burner head models.
Exploded view and part numbers for Riello RDB burner spares.
Information on hazards of insulation, sealants, and fuels, with necessary precautions.
Statement of compliance with EU directives and details of the product guarantee.