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Vaillant ecoTEC plus 836 User Manual

Vaillant ecoTEC plus 836
112 pages
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en Installation and maintenance instructions
ecoTEC plus
VU../VUW..
0020308118_05 - 31.05.2023

Table of Contents

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Vaillant ecoTEC plus 836 Specifications

General IconGeneral
BrandVaillant
ModelecoTEC plus 836
CategoryBoiler
LanguageEnglish

Summary

Safety

Intended use

Defines the product's intended application and operational restrictions.

General safety information

Provides crucial safety information to prevent risks of death, injury, or damage.

Technical data

Product description

Safety Devices

Describes the product's built-in safety features.

Set-up

Installation site

Gives guidance on suitable locations for installing the boiler.

Minimum clearances

Specifies required clearances around the product for installation and access.

Wall-mounting the product

Details the procedure for securely mounting the product on a wall.

Installation

Prerequisites

Outlines necessary conditions and checks before starting installation.

Installing the air/flue pipe

Covers the installation of the air and flue system.

Installing the gas connection

Covers the correct procedure for installing the gas pipe.

Installing the hot and cold water connection

Details how to connect the hot and cold water supply.

Connecting the domestic hot water cylinder

Explains how to connect a domestic hot water cylinder.

Installing the heating flow and heating return

Covers the installation of heating flow and return connections.

Installing the condensate discharge

Guides on how to install the condensate discharge system.

Installing combined condensate and pressure relief valve

Covers the installation of combined condensate and pressure relief valves.

Electrical installation

Details the procedures for electrical connections.

Installing the product in a wet room

Provides safety precautions for installing in wet environments.

Connecting the product with a fixed connection

Details how to connect the product with a fixed electrical connection.

Connection options on the product

Shows connection options for power, thermostats, and relays.

Room control (connection)

Explains how to connect room controls.

Operation

Calling up the installer level

Guides on accessing the installer level menu for advanced settings.

Calling up/setting diagnostics codes

Details accessing and setting diagnostic codes for troubleshooting.

Running a check programme

Guides on selecting and running check programmes.

Carrying out the actuator test

Details how to perform actuator tests on components.

Running the chimney sweep mode (combustion analysis)

Guides on performing combustion analysis using the chimney sweep mode.

Start-up

Pre-Commissioning checklist

Provides a checklist for pre-commissioning checks before powering on.

Carrying out the initial start-up

Guides on performing the initial start-up procedure.

Checking and treating the heating water/filling and supplementary water

Details checking and treating heating water quality.

Running through the installation assistant

Guides on using the installation assistant for initial setup.

Filling the installation

Guides on filling the heating installation with water.

Setting the gas type

Guides on setting the correct gas type for the installation.

Setting the air/flue pipe type

Explains how to set the correct air/flue pipe type.

Guaranteeing the system pressure

Details how to ensure correct system pressure during filling.

Flushing the heating installation for the first time ("cold")

Guides on performing the initial cold flush of the heating system.

Filling the heating installation

Details the process of filling the heating installation.

Purging the heating installation

Guides on purging air from the heating installation.

Filling and purging the domestic hot water system

Explains how to fill and purge the domestic hot water system.

Checking the gas settings

Outlines essential gas setting checks before operation.

Checking the air/flue pipe/flue gas recirculation

Guides on checking the air/flue system for integrity and recirculation.

Checking the gas connection pressure/gas flow pressure

Details how to check gas connection and flow pressures.

Checking the O₂ content

Explains how to measure and interpret the O₂ content for combustion analysis.

Checking the gas flow rate

Guides on checking the gas flow rate at the meter.

Adapting the unit to the installation

Setting the hydraulic operating mode

Explains how to set the hydraulic operating mode for the pump.

Handing over to the end user

Inspection and maintenance

Troubleshooting

Fault messages

Explains how fault messages are displayed and confirmed.

Eliminating faults

Guides on how to eliminate detected faults.

Eliminating faults in the product

Provides steps to eliminate faults and restart the product.

Replacing defective components

Outlines the process for replacing faulty components.

Eliminating the condensate discharge blockage (F.028 or F.029)

Explains how to resolve condensate discharge blockages.

Decommissioning

Installer level

Diagnostics codes

Lists and explains various diagnostic codes.

Fault codes

Lists and explains fault codes and their potential causes/measures.

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