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Installation info
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INSTRUCTIONS FOR
THE INSTALLER
2.1 - INSTALLATION
CONDITIONS
DUA plus
is a gas boiler which must be
installed in accordance with the latest
regulations or rules in force.
For the boiler category, which changes
according to the destination country,
see page 3.
NOTE:
Observe the corresponding technical rules
and the building supervisory and statutory
regulations of the country of final use
when installing and operating the system.
Always ensure that an appropriately
specialised company is entrusted with
installation, gas supply and flue gas
connection, commissioning and power
supply, as well as all servicing and repair
works.
Work on gas conduits and fittings must only
be carried out by a registered service
provider.
The system must be cleaned and serviced
once a year. This includes an inspection of
the entire system to see if it is in full
working order.
Defects and faults must be eliminated
immediately.
Please note that we can accept no liability
whatsoever for loss or injury resulting from
unauthorised adjustment or manipulation of
the system’s control or regulating devices.
2.2 - INSTALLATION
2.2.1 - PACKING
Dua plus B
is packed and delivered in a
strong cardboard box. Once the boiler has
been unpacked check that it is intact. The
packaging material can be recycled and it
must be disposed of accordingly.
Keep the packaging out of the reach of chi-
ldren as it represents a choking and suffo-
cation hazard.
UNICAL waives all liability for injury to
persons and animals or damage to pro-
perty resulting from non-observance of
the above.
The packaging contains:
-
the copper pipe kit for hydraulic connec-
tion of the boiler to the heating and water
system and to the gas mains;
-
a bag with:
a) installation, use and maintenance hand-
book,
b) template for fixing the boiler to the wall,
c) 4 screws with dowels to fix the boiler to
the wall,
d) for models
TFS,
a diaphragm for flue gas
exhaust.