Warnings
6
III
Proper maintenance assures the efficiency and
good operation of the appliance over time.
Maintenance must be performed according to the
manufacturer's instructions (see Chapter 7
and in compliance with current regulations.
Appliance maintenance and repairs may only be
entrusted to firms legally authorised to work on
gas appliances and systems.
Enter into a maintenance contract with an author-
ised specialised firm for routine maintenance and
for servicing in case of need.
Use only original parts.
Keep the Manual
This Installation, use and maintenance manual
must always accompany the appliance and must
be handed to the new owner or installer in the
event of sale or removal.
III.2
COMPLIANCE
III.2.1
EU directives and standards
The Next-G series gas unit heaters are certified in ac-
cordance with European regulation GAR 2016/426/EU
and meet the essential requirements of the following
Directives:
▶
2016/426/EU "Gas Appliances Regulation" as amend-
ed and added.
▶
2014/30/EC "Electromagnetic Compatibility Directive"
as amended and added.
▶
2014/35/EC "Low Voltage Directive" as amended and
added.
▶
2006/42/EC "Machine Directive" as amended and add-
ed.
▶
2281/2016/EU "Ecodesign requirements for air heat-
ing products" as amended and added.
Furthermore, they comply with the requirements of the
following standards:
▶
EN 17082 Domestic and non-domestic gas-fired forced
convection air heaters for space heating not exceed-
ing a net heat input of 300 kW.
III.2.2
Other applicable provisions and standards
The design, installation, operation and maintenance of
the systems shall be carried out in compliance with cur-
rent applicable regulations, depending on the Country
and location, and in accordance with the manufacturer's
instructions. In particular, regulations regarding the fol-
lowing shall be complied with:
▶
Gas systems and equipment.
▶
Electrical systems and equipment.
▶
Heating systems.
▶
Environmental protection and combustion products
exhaust.
▶
Fire safety and prevention.
▶
Any other applicable law, standard and regulation.
III.3
EXCLUSIONS OF LIABILITY AND
WARRANTY
Any contractual or extra-contractual liability of the
manufacturer for any damage caused by incorrect
installation and/or improper use and/or failure to
comply with regulations and with the manufactur-
er's directions/instructions shall be disclaimed.
In particular, the warranty on the appliance may be
rendered void by the following conditions:
Incorrect installation.
Misuse.
Failure to comply with the manufacturer's indica-
tions on installation, use and maintenance.
Alteration or modification of the product or any
part thereof.
Extreme operational conditions or however out-
side of the operational ranges set forth by the man-
ufacturer.
Damages caused by external agents such as salts,
chlorine, sulphur or other chemical substances
present in the air of the installation site.
Abnormal actions transmitted to the appliance by
the system or installation (mechanical stresses,
pressure, vibrations, thermal expansion, electrical
surges...).
Accidental damages or due to force majeure.