Vaillant ecoCRAFT VKK GB SERIES Installation And Maintenance Instructions Manual - page 9
Start-up
The heating system must be thoroughly cleansed before
use. The boiler heat exchanger is made from aluminium
and any inhibitor used must be suitable for use with alu-
minium. Always seek the advice of a professional water
treatment company. Advice may be sought from:
Fernox
Cookson Electronics
Forsyth Road
Sheerwater
Woking
Surrey
GU21 5RZ
Sentinel Performance Solutions Ltd
The Heath Business & Technical Park
Runcorn
Cheshire
WA7 4QX.
If frost or corrosion preventative is added to the heating
water this can cause changes in the seals and can cause
noises to be created during the heating process. Vaillant
assumes no liability for this and such consequential
damages.
• Inform the user of the procedure for frost protection.
The boiler is suitable for installation to artificially sof-
tened water supplies.
Only for natural gas:
The inlet gas working pressure must not be less than 17
mbar whilst operating at maximum output.
Inspection and maintenance
Inspection, maintenance and repair work should only be
undertaken by an approved heating installation compa-
ny. Inspections/Maintenance work not carried out can
result in damage to property and personal injury.
The electrical installation must only be made by a quali-
fied electrician in accordance with BS 7671 and the Elec-
tricity at Work Regulations.
e
Danger!
Danger of death from electric shock!
The supply terminals in the terminal box of the
device are under voltage even if the mains
switch is off. Before working on the appliance,
turn off the power supply and secure it against
being switched on again!
• Protect the switch box from water spray.
d
Danger!
Danger of explosion through gas leakage! When
installing, maintaining and repairing the unit,
always check the gas carrying components, in-
cluding the burner seals, for gas leaks. We rec-
ommend the use of an electronic gas sensor in-
strument.
H
Danger!
Danger of burning and scalding!
There is danger of being injured or scalded by
the boiler and by all components carrying
water. Only carry out work on these
components once they have cooled down.
Troubleshooting
• Disconnect the unit from the mains before starting
work. Close the gas valve and the maintenance valves.
• Drain the appliance if you want to replace water-car-
rying components within.
e
Danger!
Danger of death from electric shock!
The supply terminals in the terminal box of the
device are under voltage even if the mains
switch is off. Before working on the appliance,
turn off the power supply and secure it against
being switched on again!
• Make sure that no water falls on live components
(e.g. electronic box etc.).
• Use only new gaskets and O-rings.
• Perform a functional test after you have finished this
work.
3.2 Regulations
To ensure the safe installation of your appliance, the
laws, regulations, technical rules and standards pertain-
ing to the installation must be considered and adhered
to.
Attention shall be paid to the regulations, guidelines and
standards in force. In particular, reference shall be
made to the following regulations, guidelines, standards
and rules:
The electrical connections to the boiler MUST be in ac-
cordance with the BS 7671, The Electricity at Work Act,
and tested accordingly.
The Clean Air Act 1993 and the 3rd Edition of the 1956
Clean Air Act.
The Building Regulations, England and Wales, The Build-
ing Standards, Scotland, and any requirements deter-
mined by the local authorities within.
Water supply (water fittings) regulations 1999.
Detailed recommendations are also contained in the fol-
lowing documents:
9
Installation and maintenance instructions ecoCRAFT - 0020055744_03
Safety instructions and regulations 3