Cordivari PUFFER VC VT Instrucciones De Uso página 8

GENERAL INFORMATION - PUFFER
This document is intended for the installer and the fi nal user. It
must therefore be handed over to the fi nal user or to the person
in charge of managing the system after the system has been
installed and started.
Thermal Accumulator PUFFER VC VT, PUFFER 1 VC VT and
PUFFER 2 VC VT manufactured by Cordivari S.r.l. are designed
to be used in those special heating systems intended to exploit a
typically discontinuous mode thermal source.
In fact, thanks to their ability to store heat they are used in he-
ating systems operating on solid fuel boilers, heat pumps and
solar thermal systems.
In particular the installation of a Puffer combined with a solid fuel
generator guarantees the following advantages:
• Allows the generator to operate smoothly, without interruptions
due to insuffi cient demand for energy from the heating system: in
these conditions, rather than stopping the combustion or overhe-
at the rooms, the generator can be operated continuously storing
energy in cylinder. This energy will become available later when
the progressive exhaustion of the fuel will reduce the power sup-
plied from the boiler. The functioning without any interruptions
reduces smoke emissions and the fouling of the chimney, it pro-
tects the boiler from harmful formation of condensed tar, and in-
creases the overall performance of the system.
• It is a "thermal fl ywheel" for the heating system and greatly in-
creases operator comfort, making it very similar to that of auto-
matic gas / diesel. In fact, the energy contained in the form of hot
water is automatically transferred to the heating system when it is
need it. This ensures even a few hours of heating when the boiler
is off, for example in the early hours of the morning.
Therefore, the Puffers are designed to contain only primary water
(so-called "technical water") of the heating system. Any use of
the product other than the indicated one in this document raises
the manufacturer from any sort of liability and will avoid warranty
of any kind.
The versions that include the presence of one or more heat
exchangers allow to use the energy produced by a solar ther-
mal system and in general to separate hydraulically more energy
sources.
2. Identifi cation of the category (Directive 97/23/EC)
According to Directive 97/23/EC the thermal accumulator Puffers
object of this document are under the provisions stated in 'Arti-
cle 3.3 of the Directive itself. Therefore do not require CE mar-
king. Cordivari Ltd. guarantees, as established by the Directive, a
sound engineering practice (assured by the Quality System ISO
9001) which ensures the safe operation and the identifi cation of
the manufacturer
3. Installation and Maintenance
• The handling of equipment whose weight exceeds 30 kg requi-
res the use of suitable means of lifting and carrying. To this end,
the cylinders must be handled only when empty.
• The pallet that eventually comes with the device should be re-
moved before installation.
• If the insulation comes not mounted to the cylinders, please
note that it must be mounted before connecting the pipes.
• Cordivari storage cylinders must always be installed so that
they are sheltered from atmospheric conditions, on an adequate
and solid base, verifying, before making the connections, that
there is enough space for the extraction of the devices directly
connected to it and for the usual maintenance operations.
• Always provide an adequate expansion system, calculated ta-
BS_100_Rev_1
king into account not only the volume of the heating system, but
also the volume of the cylinder, in compliance with rules and laws
in force at the installation site, considering also the type and po-
wer of the generator/s.
• The installation and operation of the item covered by these in-
structions must always respect the national and local rules and
regulations of the installation place in particular in relation to pre-
scribed safety and control accessories.
• Ensure that the technical room, where the cylinder will be lo-
cated, have opening of suffi cient size to permit the free passage
out of the cylinder without having the need to operate demolitions
of any kind.
• Ensure that the technical room is equipped with a drain (dischar-
ge) appropriate to the puffer volume and any other equipment.
The warranty does not cover any costs arising from defaults at
this point.
The formation of ice inside the cylinder can cause serious dama-
ges and destroy the unit. Therefore where there is a danger of
below-zero temperatures, the heat-storage unit and the heating
system must be protected.
• In order to avoid the effects of any stray galvanic currents it is
always necessary to provide a PROPER GROUNDING of the
plants.
4. Connections
The cylinder reports on its label the generic use of its connec-
tions Therefore it is up to the heating system designer/installer
to evaluate, in respect of the laws and regulation in force at the
installation place, the best possible plant scheme, in compliance
with the limits (pressure and temperature), declared by the ma-
nufacturer.
5. Waste disposal
At the end of the product's technical life, its me-
tallic components must be handed over to ope-
rators authorised for collecting metallic materials
for recycling. The non-metallic components must
be given to operators authorised for their waste
disposal. If disposed by the fi nal user, the pro-
ducts must be managed as urban waste, and
therefore complying with regulations in force in
that place In any case they must not be treated as household
waste
GB
CORDIVARI - 6