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Vaillant ecoTEC SERIES User Manual

Vaillant ecoTEC SERIES
20 pages
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For the owner
Operating manual
ecoTEC
Gas wall boilers with condensing appliance technology
VU 466/4
VU 656/4
GB

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Vaillant ecoTEC SERIES Specifications

General IconGeneral
ModelecoTEC SERIES
ErP RatingA
MountingWall-mounted
DimensionsVaries by model
WeightVaries by model
Fuel TypeNatural gas or LPG
NOx EmissionsClass 5 (less than 56 mg/kWh)
Output Range35kW

Summary

Appliance characteristics

Safety

2.1 Erection and adjustment

Requirements for installation and adjustment by expert technicians according to regulations.

2.2 Action in case of emergency

Procedures to follow in case of a gas smell, including safety measures and evacuation.

2.3 Safety instructions

General safety instructions and warnings regarding flammable mixtures, tampering with devices, and modifications.

Safety Precautions

Installation and setting

Guidelines for unit installation by qualified technicians and adherence to regulations.

Instructions on operation

3.6 Energy saving tips

Operation

4.2 Measures prior to commissioning

4.3 Start-up

4.4 Hot water preparation

4.5 Setting for the heating mode

4.7 Troubleshooting

4.7.3 Faults in the air/flue gas routing

4.7.4 Feeding the device/heating system

4.9 Frost protection

4.10 Maintenance and customer service

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