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Classification of warnings by severity, using symbols and signal words.
Defines the product's purpose as a heat generator and for hot water, including user age limits.
Provides essential safety guidelines for installation, operation, and gas safety.
Identifies and explains the function of buttons and the display on the control panel.
Outlines the general principles and modes of product operation.
Guide to adjusting the temperature for the heating system.
Guide to adjusting the temperature for domestic hot water.
Explains how to activate or deactivate the Comfort mode for instant hot water.
Explains how to check and ensure the proper water pressure in the heating system.
A guide to identifying and resolving common product faults and errors.
Stresses the importance of annual professional inspections for product longevity and safety.
Classification of warnings by severity, using symbols and signal words.
Defines the product's purpose as a heat generator and for hot water, including user age limits.
Provides essential safety guidelines for installation, operation, and gas safety.
Identifies and explains the function of buttons and the display on the control panel.
Outlines the general principles and modes of product operation.
Guide to adjusting the temperature for the heating system.
Guide to adjusting the temperature for domestic hot water.
Explains how to activate or deactivate the Comfort mode for instant hot water.
Explains how to check and ensure the proper water pressure in the heating system.
A guide to identifying and resolving common product faults and errors.
Stresses the importance of annual professional inspections for product longevity and safety.
This document provides operating instructions for the Vaillant ecoTEC plus VU and VUW series, which are gas-fired wall-hung boilers designed for heating installations and, in the case of VUW models, for hot water generation. The manual is intended for the operator, detailing how to safely and efficiently use and maintain the product.
The ecoTEC plus series functions primarily as a heat generator for closed heating systems. VUW models additionally provide hot water generation. The product operates by burning gas to heat water, which then circulates through the heating system or is supplied as domestic hot water.
The device features an operator control panel with a display and various buttons for interaction. The display shows critical information such as the current heating flow temperature, system filling pressure, operating mode, and any fault codes. Symbols on the display indicate the current status, including:
The product incorporates safety features such as an automatic anti-legionella function for shift-load cylinders, which heats the cylinder to 70 °C if the temperature falls below 50 °C for 24 hours. Frost protection is also integrated, activating automatically to heat circulating water to approximately 30 °C if the heating flow temperature drops below 5 °C, provided the product is switched on and connected to power.
The ecoTEC plus offers a user-friendly operating concept with two main operating levels: an operator level for general use and a protected competent person level for advanced settings.
Basic Operation:
System Monitoring:
Troubleshooting:
Regular maintenance is crucial for the product's long-term reliability and safe operation.
Decommissioning:
Recycling and disposal:
Guarantee and customer service:
General| Energy Efficiency Class | A |
|---|---|
| Fuel Type | Natural Gas |
| Mounting | Wall-mounted |
| ErP Rating | A |
| DHW Heat Exchanger | Stainless Steel |
| Warranty | 5 years |
| Efficiency | 94% |
| Dimensions | 720 x 440 x 338 mm |
| Flow Rate | Up to 14.3 l/min |
| Type | Wall-mounted gas condensing boiler |
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