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Vaillant ecoFIT sustain 430 User Manual

Vaillant ecoFIT sustain 430
52 pages
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en Installation and maintenance instructions
ecoFIT sustain
415 - 430
0020277262_02 - 29.07.2020

Table of Contents

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Vaillant ecoFIT sustain 430 Specifications

General IconGeneral
Efficiency94%
ErP EfficiencyA
Flow Rate12.3 l/min
MountingWall
Fuel TypeNatural Gas
Central Heating Flow Temperature Range30 to 80°C
Boiler TypeCombi

Summary

Safety

General Safety Information

Crucial safety advice covering gas, electricity, flue gas, and operational hazards.

Flue Gas Safety

Flue Gas Safety

Hazards of flue gases and actions to take if detected.

Electrical Safety Precautions

Safety precautions related to electrical work on the product.

Functional Elements and Safety Devices

Safety Device Operations

Explains the product's built-in safety features and their operation.

Installation Site and Air/Flue Pipe

Air/Flue Terminal Positioning

Air/Flue Terminal Positioning

Specifies distances for terminal placement relative to boundaries and openings.

Horizontal Terminal Positioning

Installation Steps

Sealed System Supply and Gas Compliance

Gas Group Compliance

Verifying the product's compatibility with the local gas type.

Gas and Condensate Connections

Gas Connection Procedure

Steps for establishing a safe and compliant gas connection.

Condensate Discharge Pipe Installation

Instructions for connecting the condensate drain pipe and discharge systems.

Flue and Electrical Installation

Flue Installation

General guidance and specific instructions for air/flue pipe installation.

Electrical Installation Procedures

Procedures for safe and correct electrical connections, power supply, and wiring.

Power Supply and Control Connections

Power Supply and Control Connections

Steps for connecting the main power supply and external controls.

Start-up Procedures

Gas Setting and Flow Rate Checks

Procedures for checking gas setting, flow rate, and air/flue recirculation.

Gas Pressure and CO2 Checks

Gas Connection Pressure

Verifying gas connection pressure at the product.

CO2 Content Check

Procedure to measure and verify the CO2 content.

Leak-Tightness and Heating Mode

Troubleshooting and Repairs

Fault Elimination and Memory Management

Procedures for fault elimination, clearing fault memory, and resetting parameters.

Replacing Defective Components

Appendix - Diagnostics and Status Codes

Appendix - Fault Codes

Appendix - Wiring Diagrams

Appendix - Commissioning

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