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Vaillant ecoTEC plus 840 User Manual

Vaillant ecoTEC plus 840
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 840 Specifications

General IconGeneral
BrandVaillant
ModelecoTEC plus 840
CategoryBoiler
LanguageEnglish

Summary

Installation and maintenance instructions

1 Safety

Conveys important safety information to prevent risks of death, injury, or damage.

5.11 Safety Devices

Details various safety devices like electrical supply failure, overheating, frost protection, and condensate blockage.

7 Installation

Outlines the comprehensive steps required for installing the product.

7.1 Prerequisites

Covers essential preparations before installation, including gas and water supply checks.

7.2 Installing the air/flue pipe

Covers the installation of the air/flue pipe system, including notes on room-sealed installations.

7.3 Installing the gas connection

Explains how to install the gas pipe, including using the gas isolation valve.

7.8 Installing the condensate discharge

Explains how to install the condensate discharge pipe and siphon.

7.10 Electrical installation

Outlines the procedures and safety precautions for electrical installation.

7.10.1 Installing the product in a wet room

Provides specific safety instructions for installing the product in a moist environment.

8 Operation

Covers the operation of the product.

8.2 Calling up the installer level

Explains how to access the installer level using a specific code.

8.3 Calling up/setting diagnostics codes

Guides on accessing, selecting, and setting diagnostics codes.

8.9 Running the chimney sweep mode (combustion analysis)

Details how to run the chimney sweep mode for combustion analysis.

9 Start-up

Covers the initial start-up procedures and checks.

9.1 Pre-Commissioning checklist

Provides a checklist to be completed before powering on and commissioning the boiler.

9.2 Carrying out the initial start-up

Guides on performing the initial start-up procedure using the Benchmark Checklist.

9.3 Checking and treating the heating water/filling and supplementary water

Explains how to check and treat heating water quality and filling water.

9.5 Running through the installation assistant

Guides on using the installation assistant for initial product setup.

9.7 Guaranteeing the system pressure

Explains how to ensure correct system pressure, considering static height.

9.9 Filling the heating installation

Provides step-by-step instructions for filling the heating installation with water.

9.10 Purging the heating installation

Explains how to purge air from the heating installation.

9.13 Checking the gas settings

Lists technical tests required for gas settings before operation.

10 Adapting the unit to the installation

Covers adjusting the unit's settings to suit the specific installation.

10.3 Adapting the heating mode settings

Details how to adjust settings related to heating mode operation.

10.4 Adapting the domestic hot water settings

Covers adjusting settings for domestic hot water operation.

11 Handing over to the end user

Outlines the final steps for handing over the installed product to the end user.

12 Inspection and maintenance

Covers routine inspection and maintenance procedures.

12.3 Maintenance interval

Explains how maintenance intervals are defined and set.

12.5 Inspection and maintenance

Details annual inspection requirements and checks to be performed.

12.7 Removing/installing the compact thermal module

Provides detailed instructions for removing and installing the compact thermal module.

13 Troubleshooting

Provides guidance on identifying and resolving product issues.

13.3 Fault messages

Explains fault messages displayed when errors occur.

13.6 Eliminating faults in the product

Provides steps to eliminate faults, including a reset procedure.

13.7 Replacing defective components

Covers the process of replacing defective components.

B Inspection and maintenance work

Provides a table of manufacturer requirements for minimum inspection and maintenance intervals.

F Fault codes

Lists and explains fault codes that indicate errors or problems.

M Commissioning Checklist

Provides a checklist for commissioning the boiler and validating the warranty.

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