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Vaillant ecoVIT exclusiv VKK 226-4 Manual

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6 Troubleshooting
12 Operating instructions ecoVIT exclusiv 0020258609_00
– Immersion depth: ≈ 80 mm
6. Take measurements in the air route on the combustion
air test opening (2).
– Immersion depth: ≈ 10 mm
7. Switch off the chimney sweep function by pressing the
− and + buttons for the DIA system at the same time.
8. Screw the sealing cap onto the flue gas test point (1).
9. Fit the sealing cap onto the combustion air test opening
(2).
Applicability: VKK 226/4, VKK 286/4, VKK 366/4
▶ Install the upper casing (→ Installation instructions).
6 Troubleshooting
6.1 Eliminating faults
▶ Use the table in the appendix to attempt to eliminate
faults.
Troubleshooting (→ Page 14)
▶
Press (max. three times) to restart the product.
▶ If you are unable to eliminate the fault and the fault re-
curs despite reset attempts, contact an approved heating
specialist company.
6.2 Checking the product status
Heizbetrieb - Bren
1
2
1 Display 2 i button
1. Call up the product status by pressing the i button.
2. Switch the display back to normal operating mode by
pressing thei button.
7 Decommissioning
7.1 Temporarily decommissioning the product
Caution.
Risk of material damage due to frost
The frost protection and monitoring devices
are only active while the unit is connected to
the power mains, the product is switched on
via the main switch and the gas stopcock is
open.
▶ You must use the control if you want to
activate and deactivate the product in
normal mode.
▶ If no control is present when a main switch
has been switched on, set the rotary
knobs for the target heating flow and
cylinder values to the anti-clockwise end
stop.
▶ Do not disconnect the product from the
power mains when it is in normal mode.
▶ Leave the main switch in position 1 in
normal mode.
1
3
2
1 Main switch
2 Heating flow temperat-
ure rotary knob
3 Cylinder temperature
rotary knob
1. Turn the rotary knob for the cylinder temperature (3)
anti-clockwise as far as it will go.
2. Turn the rotary knob for the heating flow temperature
(2) anti-clockwise as far as it will go.
3. If the fan continues to run, wait until it stops.
◁ "Fan overrun" is shown in the display.
4. Turn the main switch (1) to position 0.
5. Close the gas stopcock and the cold-water isolation
valve.
Note
The isolators are not included in the scope of
delivery for your product. They are installed
on-site by the competent person. Ask the
competent person to explain where the isol-
ators are located and how they are operated.
7.1.1 Draining the heating installation
Another way to protect the heating installation and the
product from frost for very long switch-off periods is to drain
them completely.
▶ Consult a competent person about this.
… 12 …


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Others manual(s) of Vaillant ecoVIT exclusiv VKK 226-4

Vaillant ecoVIT exclusiv VKK 226-4 User Manual - German - 20 pages

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