Vaillant ecoTEC SERIES Operating Manual
Gas wall boilers with condensing appliance technology
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Also See for ecoTEC SERIES:
- Installation manual (68 pages) ,
- Instructions for installation and servicing (64 pages) ,
- Instructions for use manual (17 pages)
Related Manuals for Vaillant ecoTEC SERIES
Summary of Contents for Vaillant ecoTEC SERIES
- Page 1 For the owner Operating manual ecoTEC Gas wall boilers with condensing appliance technology VU 466/4 VU 656/4...
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Page 2: Table Of Contents
Recommended accessories ........2 Recommended accessories Notes on the documentation ......Storage of documents ..........Vaillant provides, for control of the ecoTEC, various Symbols used ............. controller versions for connection to the terminal rail or Validity of the instruction manual ...... -
Page 3: Notes On The Documentation 1
For the owner of the system: Identification plate Short operator's manual No. 0020040000 The identification plate of the Vaillant ecoTEC is mount- ed on the underside of the unit and on the rear of the For the heating engineer: electronics box at the factory. -
Page 4: Safety
2 Safety Safety 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). - Page 5 Safety 2 Caution! If you wish to keep the unit ready for operation using an Inappropriate alterations can cause damage! emergency generating set in the event of a power fail- Under no circumstances should you attempt to ure, the technical specification of the unit (frequency, make alterations to the gas wall-mounted boiler voltage, earthing) must match the power mains, and or other parts of the system.
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Page 6: Instructions On Operation
The Valliant ecoTEC gas wall boilers are installed on the Vaillant warranty wall so that condensation can be diverted and so that Vaillant provide a full parts and labour warranty for this the flue system pipes can be laid. appliance. -
Page 7: Energy Saving Tips
Instructions on operation 3 Energy saving tips Greater heating comfort and a more practical operating mode is achieved when all rooms in an apartment are Installing a weather compensator heated uniformly and in accordance to their usage. The Weather-compensators regulate the heating feed tem- building structure can also suffer if components of the perature with reference to the outside temperature. -
Page 8: Operation
A corresponding button can be connected to the Vaillant ecoTEC electronics. Ventilating residential spaces During the heating period, open windows only for venti- lation and not for temperature regulation. - Page 9 Operation 4 Rotary knob for specifying the storage tempera- This operating mode cannot be ended: ture (in conjunction with VU units with connect- - by pushing the button (8) "Fault reset" ed domestic hot water cylinder VIH) - by switching the unit on or off. Digital Information and Analysis System (DIA) Hot water preparation active permanently on: Operating mode heating...
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Page 10: Measures Prior To Commissioning
4 Operation Measures prior to commissioning • Check the filling pressure of the system using the pressure gauge (1) before putting it into operation. 4.2.1 Opening the isolating elements For the heating installation to operate correctly the in- dicator for the pressure gauge (1) must be in the upper Note! half of the dark grey area when the system is cold (see The isolator devices are not included in the... -
Page 11: Start-Up
Operation 4 Start-up 4.4.1 Setting the hot water temperature Fig. 4.6 Setting the water temperature Fig. 4.5 Switching the appliance on • Switch on the unit as described in Chapter 4.3. • Use the main switch (1) to switch the appliance on and •... -
Page 12: Deactivating The Storage Tank Mode
4 Operation 4.4.2 Deactivating the storage tank mode Setting for the heating mode In VU units connected to domestic hot water cylinders you can deactivate the hot water generation or recharg- 4.5.1 Setting the flow temperature (no controller ing operation whilst keeping the heating system in connected) operation. -
Page 13: Setting The Flow Temperature (Using A Controller)
Operation 4 4.5.2 Setting the flow temperature (using a con- 4.5.4 Adjusting the room thermostat or weather troller) compensator Fig. 4.9 Setting the flow temperature using a controller If your boiler has a room thermostat or weather com- pensator, you must make the following settings: •... -
Page 14: Troubleshooting
S. 0 Heating, no heat demand above points, consult a recognised expert tech- S. 1 Heating mode, fan start-up nician company or Vaillant Service Solutions S. 2 Heating mode, pump flow for advice. S. 3 Heating mode, ignition 4.7.1... -
Page 15: Faults In The Air/Flue Gas Routing
"-" button pressed for roughly 5 seconds. Vaillant assumes no liability for this and such • Turn the tap off. consequential damages. • Bleed all the radiators. -
Page 16: Decommissioning
This could af- fect seals and diaphragms and cause noise Fig. 4.15 Switching off the appliance when the system is in heating mode. Vaillant • To shut down your gas wall-mounted boiler, turn the assumes no liability for this and such conse- main switch (1) to the position "0". -
Page 17: Maintenance And Customer Service
To ensure that the unit is always ready for operation, is operationally safe and reliable and has a long working life, inspection/maintenance must be carried out annu- ally by an expert technician or by Vaillant. Further information can be obtained from Vaillant Serv- ice Solutions . (0870 6060 777).
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