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Notes on the documentation

Operating instructions ecoTEC pro 0020129673_00 

3

1

Notes on the documentation

The following instructions are intended to guide you 
throughout the entire documentation. Other documents 
apply in addition to these operating instructions. 
We accept no liability for any damage caused by failure to 
observe these manuals.

Other applicable documents

When operating the ecoTEC pro, you must observe all oper-
ating instructions that are included with other components 
of your system.

Further instructions for all accessories and controllers used 
also apply.
The benchmark check list for starting up gas-fired boilers 
(contained in the installation instructions) must be com-
pleted by the competent person present during the commis-
sioning and must be passed on to the system operator. 
After reading through these instructions, if you have any 
questions regarding the operation of the boiler, please con-
tact your recognised approved heating specialist company 
or Vaillant‘s technical department.

In these instructions, the heating specialist company and 
competent person approved by the Health and Safety Exec-
utive will be abbreviated as the heating specialist company 
and skilled tradesman.

1.1 Storing 

documents

 

>

Store these operating instructions and all other applica-
ble documents in such a way that they are available 
whenever required.

 

>

If you move out or sell the house, pass on the documents 
to the relevant person as well.

1.2  

 Symbols used

The symbols used in the text are explained below: Symbols 
for identifying dangers are also used in these operating 
instructions (

¬Section 2.1.1

). 

i

Symbol that denotes useful tips and infor-
mation

 

>

 

Symbol for a required action

1.3 

Applicability of the instructions

These operating instructions apply exclusively to appliances 
with the following article numbers:

Boiler

Type designation

Article number

ecoTEC

pro 24 (VUW GB 246/5-3)

0010011689

 ecoTEC 

pro 28 (VUW GB 286/5-3)

0010011690

 ecoTEC

pro 28 (VUW GB 286/5-3) (LPG) 

0010011718

1.1 Type overview

To find out the article number of your boiler, refer to the 
identification plate.

1.4  

Identification plate

The identification plate of your Vaillant ecoTEC pro boiler is 
attached at the factory to the underside of your boiler.
The seventh to sixteenth digits of the serial number on the 
identification plate represent the article number.
The serial numbers are also located on a plate, which is 
stuck behind the front flap on the underside of the boiler in 
a plastic fish plate (

¬ Fig. 3.1 Item 2

).

1.5  

CE label

The CE label shows that the boilers comply 
with the basic requirements of the applicable 
directives as stated on the identification plate.

i

  Vaillant Ltd. supports the Benchmark Initiative. 

A benchmark checklist for commissioning gas-
fired boilers is attached to these installation 
instructions. It is very important that this docu-
ment be filled out properly when installing, com-
missioning and handing-over to the operator of 
the installation.

Summary of Contents for ecoTEC pro

Page 1: ...Operating instructions For the operator GB IE Operating instructions ecoTEC pro Gas fired wall hung high efficiency boiler...

Page 2: ...flow temperature 13 5 2 1 Setting the heating flow temperature without a controller connected 13 5 2 2 Using a controller to set the heating flow temperature 13 5 3 Domestic hot water generation 13 5...

Page 3: ...or sell the house pass on the documents to the relevant person as well 1 2 Symbols used The symbols used in the text are explained below Symbols for identifying dangers are also used in these operati...

Page 4: ...of improper use or use for which it is not intended This boiler is not intended for use by persons including children having limited physical sensory or mental capaci ties or who have inadequate expe...

Page 5: ...itch the boiler OFF Inform a heating specialist company Explosives and highly flammable substances The risk of explosion arises from the flammable mixture of gas and air Take note of the following Do...

Page 6: ...flue system to the entire condensate drain system to the expansion relief valve or the drain line and constructional conditions that could affect the opera tional reliability of the boiler Cupboard I...

Page 7: ...The hot water pumped into the heating cir cuit exits the boiler at a specific heating flow temperature emits its heat into the rooms and flows back into the boiler once cooled to return temperature T...

Page 8: ...iler on or if you press a button for the DIA system when it is switched on At first pressing this button does not trig ger any other function The light automatically switches off after one minute if y...

Page 9: ...ng time is active This function is used to prevent frequent on off operations and therefore contributes to prolonging the life of your boiler The symbol also appears if the boiler is in a waiting peri...

Page 10: ...hed on by the first press of the button In this case to trigger the button func tion you must press the button again You can switch back to the basic display by pressing the left hand selection button...

Page 11: ...5 1 2 Switching on the boiler b Caution Risk of damage caused by frost Frost protection and monitoring devices are only active while the boiler is connected up to the power supply and your boiler is s...

Page 12: ...into operation again As soon as the system has been topped up with sufficient water the message disappears automatically after approx 20 sec onds If the pressure drops frequently the reason for the l...

Page 13: ...e by pressing the right hand selection button The heating flow temperature is factory set for tempera tures up to 75 C If higher or lower values can be set on your boiler this means that your approved...

Page 14: ...vating deactivating Comfort mode Comfort mode immediately supplies you with hot water at the required temperature without you having to wait for the water to heat up To do this the plate type heat exc...

Page 15: ...n at the on off switch Only switch the boiler on and off in nor mal mode using the controller Make sure that the boiler cannot become damaged by frost 50 1 2 5 9 Switching off the boiler Press the on...

Page 16: ...ing system and the boiler from frost when they are switched off for a very long time is to drain them You must ensure that the heating installa tion and boiler are completely drained All the cold and...

Page 17: ...when doors between heated and unheated partially heated rooms are left open Thermostatic radiator valves and weather compen sators or room thermostats Thermostatic valves on all radiators maintain th...

Page 18: ...lls considerably For example taking a shower instead of a bath While about 150 litres of water are required for a bath a modern shower equipped with water saving fittings only requires a third of this...

Page 19: ...esman or Vaillant Service Solutions 0870 6060 777 to complete such work 7 1 Reading fault messages F 75 7 1 Fault display Fault messages have priority over all other displays If a fault develops in th...

Page 20: ...ing installation too low Top up the heating system with water Section 5 1 4 Air in the heating installation Purge the radiators If the problem occurs again Inform the competent person Ignition malfunc...

Page 21: ...an F 28 1 2 7 3 Resetting the boiler If the burner fails to ignite after five attempts the boiler will not operate and switches to Fault This is indicated by the fault code F 28 Failure during start u...

Page 22: ...s Status code Meaning Displays in heating mode S 00 Heating no heat requirement S 02 Heating mode Pump flow S 03 Heating mode Ignition S 04 Heating mode Burner on S 06 Heating mode fan slow down S 07...

Page 23: ...ss and safety reliability and a long working life require inspections and maintenance work to be carried out annually on the boiler by your approved skilled tradesman Regular servicing ensures maximum...

Page 24: ...Disposing of the boiler Do not dispose of your Vaillant ecoTEC pro boiler or any of its accessories in the household waste Make sure the old unit and any accessories are disposed of properly Observe...

Page 25: ...turn to Vaillant within 30 days of instal lation Your details will then be automatically registered within the Vaillant scheme Note No receipt will be issued Immediate help If your Vaillant boiler dev...

Page 26: ...on between the heating technology components e g controller boiler vrnetDIALOG Frost protection The frost protection function protects your heating system and dwelling from frost damage If the heating...

Page 27: ...Filling 12 Filling pressure 12 Filling the heating installation 12 Flue gas 5 Flue gas smell 5 Frost Activating the frost protection function 15 Draining the heating installation 16 Protecting the hea...

Page 28: ...Index 28 Operating instructions ecoTEC pro 0020129673_00 T Temperature Setting the hot water temperature 13 14 Troubleshooting 19 V Vaillant customer service 25 W Water shortage 20...

Page 29: ......

Page 30: ......

Page 31: ...ing the heating temperature switching on Heating mode Section 5 2 1 50 50 48 Right hand selection but ton button for selecting the temperature Confirm 3 Setting the hot water temperature Section 5 3 1...

Page 32: ...0020129673_00 GBIE 092011 Subject to change Manufacturer Supplier...

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