Checking The Heating Mode; Checking The Hot Water Generation; Checking That The Product Functions Correctly And Checking The Leak-Tightness; Adapting The Unit To The Installation - Vaillant ecoVIT exclusiv Installation And Maintenance Instructions Manual

8 Adapting the unit to the installation

Conditions: The CO₂ content must be adjusted
▶
Set the CO₂ content by turning the screw (3).
Note
Turn to the left: Higher CO₂ content
Turn to the right: Lower CO₂ content
▶
Only carry out the adjustment in increments of 1/8 turn
and wait approximately 1 minute after each adjustment
until the value stabilises.
▶
If an adjustment is not possible in the specified adjust-
ment range, you must not start up the product.
▶
If this is the case, inform Customer Service.
▶
Use the plastic screw cap to close off the flue gas test
point.
▶
Check that there are no leaks in the gas pipe, the flue
system, the product or the heating installation.
▶
Press the i and + buttons simultaneously or press the
Reset button to end check programme P.01.
▶
Install the upper casing. (→ Page 10)
7.10

Checking the heating mode

▶
Ensure that there is a heat requirement, e.g. by setting
the control to a higher required temperature.
◁
If the product is working correctly, the heating pump
for the heating circuit must start running.
20
3
4
7.11

Checking the hot water generation

Applicability: Product with connected domestic hot water cylinder
▶
Make sure that the cylinder thermostat is requesting
heat. Check that the domestic hot water generation is
working correctly by establishing a heat requirement
using a connected domestic hot water cylinder.
▶
If you have connected a control which can be used
to set the domestic hot water temperature, set the
domestic hot water temperature on the boiler to the
maximum possible temperature.
▶
Adjust the target temperature for the connected do-
mestic hot water cylinder to the control.
7.12 Checking that the product functions
correctly and checking the leak-tightness
1. Check that the product functions correctly and check
the leak-tightness before you hand the product over to
the end user.
2. Start up the product.
3. Check the gas pipe, the flue system, the heating install-
ation and the domestic hot water pipes for leaks.
4. Check that all control, regulation and monitoring
devices are functioning properly.
5. Check the air/flue pipe and the condensate discharge
pipe to ensure that they are installed correctly and se-
curely fastened.
6. Check the over-ignition and that the flame on the burner
is burning evenly (diagnostics code D.44: < 250 = ex-
cellent flame, > 700 no flame).
7. Ensure that all of the casing sections have been in-
stalled correctly.
8 Adapting the unit to the installation
8.1

Calling up diagnostics codes

1. Use the parameters that are marked as adjustable in
the overview of diagnostics codes to adapt the product
to the heating installation and the needs of the end
user.
Overview of diagnostics codes (→ Page 27)
2. Call up the installer level. (→ Page 16)
3. Press the i and + buttons simultaneously.
◁
d.00 will appear on the display.
Use the – or + button to select the required diagnostics
4.
code.
5. Press the i button.
◁
The display will show the associated diagnostic in-
formation.
If required, use the – or + buttons to set the required
6.
value (display flashes).
7. Save the changed value by pressing and holding the i
button for five seconds (display stops flashing).
Installation and maintenance instructions ecoVIT exclusiv 0020258610_00