12 Switching the product to standby mode ......13 Protecting the heating installation against frost ....14 Troubleshooting ......14 Detecting and rectifying faults..14 Displaying the status codes ..14 Operating instructions ecoTEC pure 0020258017_00...
The product is intended as a Caution. heat generator for closed heat- Improper use of any kind is prohibited. 0020258017_00 ecoTEC pure Operating instructions...
(such as petrol, pa- the building. per or paint). ▶ Close the emergency control valve or the main isolator. Operating instructions ecoTEC pure 0020258017_00...
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▶ If you cannot ensure the op- caused by insufficient eration, have a competent supply of combustion air person drain the heating in- stallation. Conditions: Open-flued opera- tion ▶ Ensure that there is a suffi- cient supply of combustion air. 0020258017_00 ecoTEC pure Operating instructions...
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▶ Never attempt to carry out maintenance work or repairs on your product yourself. ▶ Faults and damage should be immediately rectified by a competent person. ▶ Adhere to the maintenance intervals specified. Operating instructions ecoTEC pure 0020258017_00...
Plate with serial number on the Control elements rear 3.2 Control elements Display Left selection button On/off button Access to the and reset button Right selection menu for addi- button tional inform- ation/installer button level button 0020258017_00 ecoTEC pure Operating instructions...
17th to 20th digits = place of messages in the event of manufacture faults ... ecoTEC ... Product designation Setting to be confirmed Cat. Approved gas category Navigating through various Type: Xx3(x) Permissible flue gas connec- menus tions Operating instructions ecoTEC pure 0020258017_00...
– Confirming a set value or activ- ating an operating mode – Calling up a lower selection level in the menu – Read the system pressure (press twice) 0020258017_00 ecoTEC pure Operating instructions...
2. If the display is switched off, press code will be shown on the basic display. for less than 3 seconds. The available functions vary depending on ◁ whether: The basic display is shown in the display. Operating instructions ecoTEC pure 0020258017_00...
Set the hot water temperature on the perature. domestic hot water cylinder. See the instructions for the domestic hot water Note cylinder. If you press the button, the heating installation pressure is shown in the display. 0020258017_00 ecoTEC pure Operating instructions...
▶ Press and press and hold until disappears after 20 seconds. OFF is shown in the display. ◁ is shown in the display. ▶ Press to confirm. ◁ Hot water generation is switched off. Operating instructions ecoTEC pure 0020258017_00...
Purge all radiators. ▶ Check the system pressure on the display. (→ Page 12) ▶ Top up with more water if required. ▶ Close the filling cock. ▶ Disconnect the filling cock from the cold water pipe. 0020258017_00 ecoTEC pure Operating instructions...
Risk of material damage installation and the product. ▶ caused by unsuitable clean- Consult a competent person about this. ing agents. ▶ Do not use sprays, scouring agents, detergents, solvents or cleaning agents that con- tain chlorine. Operating instructions ecoTEC pure 0020258017_00...
In this case, dispose of the batteries at itoring devices are only active a collection point for batteries. while the unit is connected to the power mains and switched on via the on/off button, and when the gas isolator cock is open. 0020258017_00 ecoTEC pure Operating instructions...
Arbeiten an dem Gerät während der Garantiezeit entstehen, nur dann erstat- ten, falls wir Ihnen einen entsprechenden Auftrag erteilt haben und es sich um einen Garantiefall handelt. 9.2 Customer service Auftragsannahme Vaillant Kundendienst: 021 91 5767901 Operating instructions ecoTEC pure 0020258017_00...
Display in Comfort mode with warm start or hot water handling mode with cylinder S.20 Hot water handling mode: Requirement S.22 Hot water handling mode: Pump pre-run S.24 DHW mode: Burner on Other displays S.31 No heating demand: Summer mode, eBUS controller, waiting period S.34 Frost protection active 0020258017_00 ecoTEC pure Operating instructions...
2. Press the reset button for longer than has switched to fault three seconds. mode. 3. If you have been unable to eliminate the ignition fault after the fault clearance at- tempt, consult a competent person. Operating instructions ecoTEC pure 0020258017_00...
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