Vaillant ecoCRAFT VKK GB SERIES Installation And Maintenance Instructions Manual - page 30
Installation and maintenance instructions ecoCRAFT - 0020055744_03
30
6.6
Checking the appliance function
After installation and setting the gas ratio, perform a
functional check before commissioning the appliance
and handing it over to the user.
Fig. 6.5 Visual inspection of the appliance and the system
• Start up the appliance in accordance with the instruc-
tions in the relevant operating manual.
• In particular, check the burner gasket for leaks using a
CO
2
measuring instrument. If necessary tighten the
burner gasket to 12 Nm.
• Check the gas infeed, flue gas installation, boiler and
heating installation and the hot water pipes for leaks.
• Check the correct fitting of the flue gas accessories.
• Check the burner flame for regularity.
• Check the heating and hot water function.
• Hand the unit over to the user.
6.7 Instructing
the
user
a
Caution!
The unit may only be operated
- for start-up
- for test purposes
- for continuous operation
with the air/flue gas system fully assembled
and enclosed.
The user of the appliance must be trained in the han-
dling and function of his Vaillant VKK GB 806/3 -
2806/3-E-H
gas-fired condensing boiler.
• Hand over any instruction manuals intended for the
user, as well as the appliance documents for safe
keeping.
• Go through the operating manual with the owner and
answer any questions.
• Draw special attention to the safety instructions which
the owner must follow.
• Point out to the owner the need for regular inspection
and maintenance of the system (inspection/mainte-
nance contract).
• Bring it to the operator's attention that the manuals
should remain in the vicinity of the Vaillant VKK GB
806/3 -2806/3-E-H gas-fired condensing boiler.
• Instruct the user about measures taken to ensure the
supply of combustion air and removal of flue gas. In
particular, point out that these measures must not be
altered.
• Explain to the operator how to check the water level/
filling pressure of the system and show the operator
how to refill and bleed the heating system when the
need arises.
• Show the user the correct (economical) temperature,
controller and thermostat valve settings.
h
Note
When you have finished the installation, attach
the sticker supplied (835593) in the user’s
language to the front of the appliance.
6 Start-up