Do you have a question about the Vaillant ecoTEC plus 836 and is the answer not in the manual?
Defines the product's intended application and operational restrictions.
Provides crucial safety information to prevent risks of death, injury, or damage.
Describes the product's built-in safety features.
Gives guidance on suitable locations for installing the boiler.
Specifies required clearances around the product for installation and access.
Details the procedure for securely mounting the product on a wall.
Outlines necessary conditions and checks before starting installation.
Covers the installation of the air and flue system.
Covers the correct procedure for installing the gas pipe.
Details how to connect the hot and cold water supply.
Explains how to connect a domestic hot water cylinder.
Covers the installation of heating flow and return connections.
Guides on how to install the condensate discharge system.
Covers the installation of combined condensate and pressure relief valves.
Details the procedures for electrical connections.
Provides safety precautions for installing in wet environments.
Details how to connect the product with a fixed electrical connection.
Shows connection options for power, thermostats, and relays.
Explains how to connect room controls.
Guides on accessing the installer level menu for advanced settings.
Details accessing and setting diagnostic codes for troubleshooting.
Guides on selecting and running check programmes.
Details how to perform actuator tests on components.
Guides on performing combustion analysis using the chimney sweep mode.
Provides a checklist for pre-commissioning checks before powering on.
Guides on performing the initial start-up procedure.
Details checking and treating heating water quality.
Guides on using the installation assistant for initial setup.
Guides on filling the heating installation with water.
Guides on setting the correct gas type for the installation.
Explains how to set the correct air/flue pipe type.
Details how to ensure correct system pressure during filling.
Guides on performing the initial cold flush of the heating system.
Details the process of filling the heating installation.
Guides on purging air from the heating installation.
Explains how to fill and purge the domestic hot water system.
Outlines essential gas setting checks before operation.
Guides on checking the air/flue system for integrity and recirculation.
Details how to check gas connection and flow pressures.
Explains how to measure and interpret the O₂ content for combustion analysis.
Guides on checking the gas flow rate at the meter.
Explains how to set the hydraulic operating mode for the pump.
Explains how fault messages are displayed and confirmed.
Guides on how to eliminate detected faults.
Provides steps to eliminate faults and restart the product.
Outlines the process for replacing faulty components.
Explains how to resolve condensate discharge blockages.
Lists and explains various diagnostic codes.
Lists and explains fault codes and their potential causes/measures.