Unical PELLEXIA 80, Instructions For Installation, Use And Maintenance Manual

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Installation instructions
3
INSTRUCTIONS FOR
INSTALLATION
3.1- GENERAL WARNINGS
ATTENTION!
This boiler is intended solely for the use for
which it was expressly designed. Any other
use is to be considered improper and there-
fore dangerous.
This boiler heats water at a temperature
lower than the atmospheric pressure boiling
temperature.
ATTENTION!
The appliances are designed to be installed
inside suitable rooms or technical spaces
only. The appliances cannot be installed or
operate outdoors. Outdoor installation can
cause malfunctioning and be dangerous.
Choose specifically designed appliances for
outdoor installation.
Before connecting the boiler, have professionally
qualified personnel:
a) Thoroughly wash all the piping of the system
to remove any residue or impurities which
could jeopardise proper operation of the
boiler;
b) Check that the chimney/flue has an appropri-
ate draught, without any bottlenecks, and that
no exhausts from other appliances are in-
serted, unless the flue has been implemented
to accommodate several utilities according to
specific standards and prescriptions in force.
Only after this check can the fitting between
the boiler and chimney/flue be mounted;
ATTENTION!
The appliance must be installed by a qualified
technician with the technical-professional
requirements according to law 37/08 which,
under his own responsibility, guarantees
compliance with the standards according to
good practice rules.
The boiler must be connected to a central heat-
ing system and/or domestic hot water production
network compatible with its efficiency and output.
3.2 - INSTALLATION STANDARDS
It must be installed by a professionally qualified technician,
who
shall take the responsibility of observing all local and/or
national laws published in the official journal, as well as
applicable technical standards.
3.3 - INSTALLATION ON
OLD OR RETROFITTABLE SYSTEMS
Before installing this appliance on old systems, check that:
- The flue is able to withstand the temperature generated by
the combustion products, has been measured and designed
according to the regulations in force, is airtight and insulated,
and does not feature obstructions or constrictions.
- The flue has a device for releasing condensation.
- The electrical system has been set up by a qualified techni-
cian in compliance with the rules in force.
- The rate, head and direction of the flow of the circulation
pumps are appropriate.
- The expansion vessel(s) can fully absorb dilation of the
fluid in the system.
- The expansion vessels can fully absorb dilation of the fluid
in the system.
- The system has been cleaned and cleared of all sludge
and scale, has been vented, and all its seals have been
checked.
- There is a water supply treatment/recirculation system.