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For the owner Instructions for use ecoTEC Wall hung room sealed fan assisted condensing boilers...
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1 Notes on these instructions Specified use Specified use ..............2 Notes on these instructions ......2 The Vaillant ecoTEC plus, ecoTEC pro and ecoTEC exclusive Storage of the documents ........models are compact, wall-mounted condensing boilers. Symbols used in this manual .........
Do not use or store explosive or easily flamma- Data badge ble substances such as petrol or paint in the The type plate of the Vaillant ecoTEC is attached at the same room as the appliance. factory to the bottom of the appliance.
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Leaks (ecoTEC combination boiler only) If there is a leak in the water pipes between the appli- ance and the taps, immediately turn off the cold water service valve and have your engineer repair the leak. Instructions for use ecoTEC / 838402-05...
The appliance 3.1.2 One year guarantee for ecoTEC pro boilers Do not dispose of your Vaillant ecoTEC boiler or any of Vaillant undertakes to rectify any manufacturing defect its accessories with household waste. Make sure the old that occurs within twelve months of the installation appliance and any existing accessories are disposed of date.
4 Operation Operation The ecoTEC plus and ecoTEC exclusive appliance is fit- ted with a digital information and analysis system. This Overview of controls on ecoTEC plus and system provides information on the operating status of ecoTEC exclusive your appliance.
11 Maximum hot water temperature control and warmstart ON/OFF Multifunctional display system ecoTEC pro boiler has a multifunction display (1). When the main ON/OFF control is in the “ON” position the dis- play will normally show the system CH flow temperature of water in the boiler circuit (45 °C in the example),...
90˚ Fig. 4.5 Opening the service valves on ecoTEC plus combina- tion boilers Fig. 4.6.2 Opening the service valves on ecoTEC exclusive • Ensure the cold water service valve (2) is open. This can be checked by opening a hot water tap and ensur- ing water flows.
Operation 4 4.3.2 Checking the system pressure Turning the boiler ON plus/exclusive Fig. 4.8 Switching on the appliance (example: ecoTEC plus) • Use the main ON/OFF control to switch the appliance “ON” “OFF” Fig. 4.7 Checking the filling pressure of the heating system •...
(see 4.3.2). ature immediately. To do this, the hot water heat ex- changer of the ecoTEC is kept at a pre-selected temper- 4.5.1 Setting the water temperature ature level and the boiler will therefore periodically op- erate to maintain this temperature.
Fig. 4.12 Drawing off hot water (example: ecoTEC plus) On opening a hot water tap (1) at a supply point (basin, shower, bath, etc) the ecoTEC combination boiler will automatically operate to deliver hot water.
4.6.2 Switching off heating (summer operation) The boiler will now operate automatically to provide central heating for the conditions selected on the exter- nal controls (ecoTEC combination boilers will also pro- plus/exclusive vide domestic hot water on demand). After the boiler stops operating the pump will continue to operate for a short period to fully disperse the heat from the boiler.
In the unlikely event that a problem occurs with the op- On ecoTEC plus appliances the display also shows the eration of the ecoTEC boiler, the following points should flame symbol with a cross through it (1). On ecoTEC pro be checked: appliances, the red LED (2) also lights up.
ON/OFF be regularly carried out by a heating engineer or Vaillant. control of the appliance is in the “I” position For further details please contact Vaillant Service Solu- and it is not disconnected from the main power tions: (0870 6060777).
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+20 C +20 C +15 C +5 C VRT/VRC ecoTEC pro ecoTEC plus / exclusive...
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