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Operating manual ecoTEC 0020052777_00

4

2 Safety

2.1 Erection 

and 

adjustment

Installation and adjustment of the boiler and service, 
maintenance and repair work may only be carried out 
by expert technicians in accordance with regulations in-
troduced in 1998 governing the safety of gas installa-
tions (installation and use). (In Great Britain "CORGI". 
This means that the work carried out by registered in-
stallation companies must always be to a safe and satis-
factory standard.) If the boiler is mounted in a cabinet-
type enclosure the ventilation openings must not be ob-
structed and the enclosure must not be used for stor-
age purposes.

2.2 

Action in case of emergency

d

 Danger!

If you smell gas!
Risk of poisoning and explosion due to a 
malfunction!

Procedure in case of gas smell in buildings
•  Open doors and windows wide, facilitate through 

movement of air, stay out of rooms where gas odour 
is present!

•  Avoid naked flames, do not smoke, do not use pocket 

lighters!

•  Do not use electric switches, plugs, bells, telephones 

and other communication systems in the building!

•  Close gas meter isolator device or main isolator de-

vice!

•  Close gas isolator cock (

1

, Fig. 2.1) on unit!

•  Warn other building residents, but avoid ringing door-

bells!

• Vacate building!
•  Inform the gas supply 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 from outside the building!

1

Fig. 2.1  Closing the gas isolator cock

2.3 Safety 

instructions

Always observe the following safety instructions and 
regulations.

d

 Danger!

Inflammable mixtures of gas and air may ex-
plode!
Do not use or store explosives or highly flam-
mable substances, such as petrol or paint, in 
the same room as the unit.

d

 Danger!

Risk of poisoning and explosion due to a mal-
function!
Never put the safety devices out of operation 
or tamper with them so as to impair their 
function.

Therefore, do not attempt any modifications:
- to the unit,
- around the unit,
-  to the gas, air, water and electricity supply pipes,
-  to the expansion relief valve and drain line for the 

heating water,

-  to the flue gas pipes.

This also applies to alterations to structural elements in 
the vicinity of the appliance which might affect its oper-
ational safety.
Example:
-  If you require cabinet-type cladding for your unit, con-

sult your recognised expert technician company. 
Under no circumstances must you enclose your device 
arbitrarily. Enclosing the appliance in a cabinet re-
quires observance of special design instructions. 

For alterations to the appliance or to its environment, 
you must refer to the suitably qualified heating engi-
neer which is responsible for it.

2 Safety

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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