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Operating manual ecoTEC 0020052777_00

6

3 Instructions 

on 

operation

3.1 Vaillant 

warranty

Vaillant provide a full parts and labour warranty for this 
appliance. 
The appliance must be installed by a suitably competent 
person in accordance with the Gas Safety (Installation 
and Use) Regulations 1998, and the manufacturer’s in-
structions. In the UK ‘CORGI’ registered installers under-
take the work in compliance with safe and satisfactory 
standards.  All unvented domestic hot water cylinders 
must be installed by a competent person to the prevail-
ing building regulations at the time of installation. (G3)
Terms and conditions apply to the warranty, details of 
which can be found on the warranty registration card 
included with this appliance.
Failure to install and commission this appliance in com-
pliance with the manufacturer’s instructions may invali-
date the warranty (this does not affect the customer’s 
statutory rights).

3.2  

Intended use

The Valliant atmo ecoTEC wall boilers are state-of-the-
art appliances which have been constructed in accord-
ance with recognised safety regulations. Nevertheless, 
there is still a risk of injury or death to the user or oth-
ers or of damage to the device and other property in 
the event of improper use or use for which it is not in-
tended.
This unit is not intended for use by persons (including 
children) having limited physical, sensory or mental ca-
pacities or who have inadequate experience and/or 
knowledge, unless supervised by a person responsible 
for their safety or who has been given instructions from 
them as to how to operate the unit. Children must be 
watched to ensure that they do not play with the unit.
The units are intended as heat generators for closed 
hot-water central heating installations and for central 
hot water preparation. Any other or additional use is 
considered to be improper. The manufacturer or suppli-
er is not liable for any resulting damage. The user alone 
bears the risk.
Intended use includes the observance of the operating 
and installation manual and all other applicable docu-
ments, as well as adherence to the maintenance and in-
spection conditions.

a

 Caution!

Any improper use is forbidden.

3.3 

Requirements of the installation site

The Valliant ecoTEC gas wall boilers are installed on the 
wall so that condensation can be diverted and so that 
the flue system pipes can be laid.
They can be installed in basements, storage rooms, utili-
ty rooms or living areas. Ask your heating engineer 
which national regulations must be observed.

h

 Note!

It is not necessary to keep a clearance between 
the appliance and combustible materials or 
components, since at the rated heating power 
of the appliance the temperature at the surface 
of the housing is always lower than the maxi-
mum allowed temperature of 85 °C.

3.4 Care

•  Clean the cladding of your unit with a damp cloth and 

a little soap.

a

 Caution!

Risk of damage
Do not use scouring or cleaning agents which 
might damage the cladding, fittings or controls. 
Do not use sprays, solvents or cleaning agents 
containing chlorine. 

3.5  

Recycling and disposal

Both your Valliant ecoTEC gas wall boiler and its pack-
aging consist mainly of recyclable raw materials.

3.5.1 Appliance

Do not dispose of your Valliant ecoTEC gas-fired wall-
mounted unit or any of its accessories in the household 
waste. Make sure the old appliance and any accessories 
are disposed of properly.

3.5.2 Packaging

Leave the disposal of the transport packaging to the 
qualified servicing company which installed the appli-
ance. 

h

 Note!

Please observe the applicable national legal 
regulations.

3 Instructions on operation

Summary of Contents for ecoTEC SERIES

Page 1: ...For the owner Operating manual ecoTEC Gas wall boilers with condensing appliance technology VU 466 4 VU 656 4 GB...

Page 2: ...uctions on operation 6 3 1 Vaillant warranty 6 3 2 Intended use 6 3 3 Requirements of the installation site 6 3 4 Care 6 3 5 Recycling and disposal 6 3 5 1 Appliance 6 3 5 2 Packaging 6 3 6 Energy sav...

Page 3: ...e documents where they are accessible at all times If you move out or sell the appliance pass on the docu ments to the buyer 1 2 Symbols used Please observe the following when operating the unit Safet...

Page 4: ...company stand by service from a telephone outside the building If a gas leak is audible leave the building immediately prevent others from entering the building and notify the police and fire brigade...

Page 5: ...r rent ETCI Regulations for the installation of electrical equipment must also be observed a Caution The unit may only be operated continuously with its cladding properly closed Otherwise under unfavo...

Page 6: ...r closed hot water central heating installations and for central hot water preparation Any other or additional use is considered to be improper The manufacturer or suppli er is not liable for any resu...

Page 7: ...s in operation and still the room temperature is not comfortably warm Greater heating comfort and a more practical operating mode is achieved when all rooms in an apartment are heated uniformly and in...

Page 8: ...ther mostatic valves in the room or specify the minimum temperature at the room thermostat if installed These measures guarantee a sufficient exchange of air and avoid unnecessary cooling and loss of...

Page 9: ...em Flue problem Only in combination with the vrnetDIALOG As long as this symbol appears in the display the heating feed temperature and hot water outlet temperature are specified by vrnetDIALOG ac ces...

Page 10: ...1 0 and 2 0bar If the indicator is in the area with the light grey background the system must be topped up with water before starting up see Chapter 4 7 4 hNote The ecoTEC unit is equipped with a pres...

Page 11: ...the boiler 4 4 1 Setting the hot water temperature 2 3 Fig 4 6 Setting the water temperature Switch on the unit as described in Chapter 4 3 Specify the storage temperature you require using the corre...

Page 12: ...ng for the heating mode 4 5 1 Setting the flow temperature no controller connected 2 1 Fig 4 8 Setting the flow temperature without a controller If there is no external controller set the flow tempera...

Page 13: ...ed temperature all the way to the left 4 5 4 Adjusting the room thermostat or weather compensator 2 1 Fig 4 11 Setting a room thermostat or weather compensator Set the room thermostats 1 weather compe...

Page 14: ...ing installation suffi cient see Chapter 4 2 2 Is there air in the heating installation Is there a fault in the ignition process see Chap ter 4 7 2 Hot water operation no problem Heating does not star...

Page 15: ...als and diaphragms as well as noises during the heating operation Vaillant assumes no liability for this and such consequential damages To fill up and to re fill the heating system you can nor mally u...

Page 16: ...stem remains on and the rooms are sufficiently heated while you are away a Caution The frost protection and monitoring systems are only active if the main switch of the unit is in the I position and t...

Page 17: ...777 d Danger Danger of property damage and personal injury from improper handling Never attempt to perform maintenance or re pairs on the gas wall mounted boiler yourself Assign an approved qualified...

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Page 20: ...0020052777_00 GB 10 2007...

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