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Vaillant ecoTEC plus VC 406/5-5 - User Manual

Vaillant ecoTEC plus VC 406/5-5
62 pages
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Installation and maintenance instructions
ecoTEC plus
VC 406/5-5 ... VC 636/5-5
DE, LU
Publisher/manufacturer
Vaillant GmbH
Berghauser Str. 40 D-42859 Remscheid
Tel. +492191180 Fax +492191182810
info@vaillant.de www.vaillant.de

Table of Contents

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Vaillant ecoTEC plus VC 406/5-5 Specifications

General IconGeneral
BrandVaillant
ModelecoTEC plus VC 406/5-5
CategoryBoiler
LanguageEnglish

Summary

Safety

Action-related warnings

Classifies warnings by severity using symbols and signal words.

Intended use

Defines the product's purpose and conditions for proper use.

General safety information

Provides essential safety guidelines and precautions.

Risk of death from escaping gas

Details immediate actions to take if gas is detected.

Risk of death from leaks if the product is installed below ground level

Warns of explosion risk from liquid gas accumulation below ground.

Risk of death due to blocked or leaking flue gas routes

Addresses risks of poisoning from escaping flue gases.

Risk of death due to explosive and flammable materials

Prohibits use in rooms with explosive or flammable substances.

Risk of death due to lack of safety devices

Stresses the need to install required safety devices.

Risk of death from electric shock

Outlines precautions to avoid electric shock when working on the product.

Risk of death from escaping flue gas

Warns of flue gas escape if condensate siphon is empty.

Risk of death due to cabinet-type casing

Highlights risks associated with cabinet-type casing and open flues.

Risk of poisoning caused by insufficient supply of combustion air

Addresses poisoning risk from inadequate combustion air supply.

Risk of poisoning and burns caused by escaping hot flue gases

Emphasizes proper installation and casing closure for flue gas safety.

Risk of being burned or scalded by hot components

Advises caution when working with hot components.

Risk of injury due to the heavy weight of the product

Recommends at least two people for product transport.

Risk of corrosion damage due to unsuitable combustion and room air

Details how chemical substances can cause corrosion.

Set-up

Unpacking the product

Steps for safely removing the product from its packaging.

Installation

Connecting gas and water

Provides instructions for connecting gas and water supplies safely.

Gas connection

Details precautions for gas connections and leak-tightness tests.

Installing and connecting the air pipe and flue pipe

Guides the installation and connection of the air/flue pipe.

Electrical installation

Covers all aspects of the electrical installation.

Carrying out the wiring

Instructions for performing the wiring connections.

Establishing the power supply

Steps for safely establishing the product's power supply.

Connecting controls to the electronics

Guides connecting various control devices to the electronics.

Operation

Calling up the installer level

Instructions for accessing the installer-specific settings.

Start-up

Checking and treating the heating water;filling and supplementary water

Crucial steps for ensuring water quality before filling.

Checking the quality of the heating water

Procedures to check heating water appearance, sediments, and pH.

Filling the heating installation

Step-by-step process for filling the heating system with water.

Starting up the product

Instructions for powering on the product.

Running the installation assistants

Guides through the automated setup process.

Purging the heating installation

Details the automatic process for purging the heating installation.

Preventing low water pressure

How the product prevents damage from low water pressure.

Checking the factory setting

Verifying factory gas settings against local gas type.

Checking the gas flow pressure

Steps for checking gas flow pressure for proper operation.

Checking the CO2 content and, if necessary, adjusting it (air ratio setting)

How to check and adjust CO2 content for optimal combustion.

Gas conversion procedure

Guides the process of converting the product for different gas types.

Checking leak-tightness

Verifying leak-tightness of gas, heating, and hot water circuits.

Adapting the unit to the heating installation

Adapting the heating settings

Adjusting parameters to match the heating installation.

Handing over to the end user

Troubleshooting

Reading off the fault codes

Procedures for identifying and interpreting error codes (F.xx).

Replacing defective components

General guidance for replacing faulty product components.

Replacing the burner

Step-by-step instructions for replacing the burner.

Gas Valve, Venturi, or Fan Replacement

Guidance for replacing gas valve assembly, Venturi, or fan.

Heat Exchanger Replacement

Instructions for replacing the heat exchanger unit.

Pressure Sensor Replacement

Steps for replacing the pressure sensor.

Temperature Sensor Replacement

Instructions for replacing temperature sensors.

Pump Replacement

Step-by-step guide for replacing the product's pump.

PCB Replacements

Procedures for replacing the main and user interface PCBs.

Inspection and maintenance

Removing the compact thermal module

Step-by-step procedure for removing the compact thermal module.

Draining the product

Decommissioning

Appendix

Fault messages - Overview

Lists fault messages, their causes, and recommended measures.

Inspection and maintenance work - Overview

Gas adjustment values

Technical data

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