Cordivari Combi1, Руководство пользователя

Страница: 12 / 90

- 12 -
Cod. 1910000001094 - nv01
1. General information
This document is intended for the installer and the end user. It must
therefore be handed over to the end user or to the person in charge of
managing the system after the system has been installed and started.
Thermal Accumulators PUFFER, PUFFER 1 and PUFFER 2, PUFFER
1 CTS and PUFFER 2 CTS produced by the manufacturer are designed
to be used in those heating systems intended to exploit a thermal source
with a typically discontinuous mode. In fact, thanks to their ability to store
heat they are used in heating systems operating on solid fuel boilers,
heat pumps and solar thermal systems produced by the manufacturer.
In particular the installation of a Puffer combined with a solid fuel gener
-
ator guarantees the following advantages:
• Allows the generator to operate smoothly, without interruptions due to
insufficient demand for energy from the heating system: in these con -
ditions, rather than stopping the combustion or overheating the rooms,
the generator can be operated continuously storing energy in storage
unit. This energy will become available later when the progressive ex
-
haustion of the fuel will reduce the power supplied by the boiler. The
operation without any interruptions reduces smoke emissions and the
fouling of the chimney, it protects the boiler from harmful formation of
condensed tar, and increases the overall performance of the system.
• It is a “thermal flywheel” for the heating system and greatly increases
operator comfort, making it very similar to that of automatic gas/diesel
systems. In fact, the energy contained in the form of hot water is au
-
tomatically transferred to the heating system when it is needed. This
ensures even a few hours of heating when the boiler is off, for example
in the early hours of the morning. Therefore, Puffer thermal accumu
-
lators are designed to contain only primary water (socalled “technical
water”) of closed-circuit heating systems. Any use of the product other
than the one stated in this document relieves the manufacturer of any
liability and will void any warranty.
Therefore, Puffer thermal accumulators are designed to contain only pri -
mary water (so-called “technical water”) of closed-circuit heating systems.
As a consequence, they do not feature any anti-corrosive treatment of the
surfaces coming into contact with water since, under standard intended
operating conditions, the technical water does not originate any corrosive
process. Any corrosive-related problem (of the surfaces in contact with
technical water) cannot be attributed to product defects, but to product
misuse. Any use of the product other than the one stated in this document
relieves the manufacturer of any liability and will void any warranty.
If the accumulator is connected to a biomass generator (wood, chip or
pellet boiler), it is advisable to install on the return pipe to the generator
a suitable device keeping return temperature at a constant level; such
device must consist of a mixing valve (either motorised or automatic) to
prevent the back flow inside boiler of water at too a low temperature and
thus ensuring considerable advantages (increase of generator lifetime)
thanks to the elimination of thermal shocks and the reduction of corrosion
risks due to condensate development).
The versions that include the presence of one or more heat exchangers
allow to use the energy produced by a solar thermal system and in gen
-
eral to separate more energy sources hydraulically.
The CTS (with Higher Heat Load) Puffers are mainly suitable to optimize
the use of the energy stored through the thermal stratification inside the
storage unit. In fact, the lower exchanger, which is positioned at the very
bottom, quickly heats the surrounding water that, channelled by the CTS
system, naturally moves up to the storage unit upper part, being thus
immediately available for use. At the same time, the return of cold water
is possible thanks to the patented Labyrinth® spreader preventing it from
being mixed and ensuring the separation between the hot (upper) and
cold (lower) parts. Due to the special above-described configuration, the
heat probe of the solar system on CTS Puffers must be compulsorily
fitted on the lowest point of the storage system (1st hose from the bottom
among those devoted to probe connection).
2. Category identification
(Directive 2014/68/EU)
According to Directive 2014/68/EU the thermal accumulator object of this
document are under the provisions stated in Article 4.3 of the Directive
itself. Therefore they do not require EC marking. However, the manufac
-
turer guarantees, as established by the Directive, a sound engineering
practice (assured by the Quality System ISO 9001) which ensures safe
operation and identification of the manufacturer.
3. Installation and Maintenance
Warnings
The manufacturer's liability is limited to the supply of the equipment. Your
system must be professionally made - in compliance with the prevailing
instructions and professional regulations - by qualified staff, acting on
behalf of companies taking the full responsibility of the whole system.
The manufacturer cannot be held responsible for modifications made to
the product without previous authorization and for the use of non-original
spare parts.
Do not touch product hot parts, such as water inlet and outlet pipes. Con
-
tact with such surfaces may lead to serious burns.
The handling of equipment whose weight exceeds 30 kg requires the use
of suitable means of lifting and carrying. To this end, the containers must
be handled only when empty.
The pallet that eventually comes with the device should be removed be
-
fore installation. If the insulation comes not mounted, please note that it
must be mounted on the equipment before connecting the pipes.
Thermal accumulators 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 extrac
-
tion of the devices directly connected to it and for the usual maintenance
operations. Under no circumstances tank must be "hanged" to pipes.
Always provide an adequate expansion system, calculated taking into
account not only the volume of the system, but also the volume of the
thermal accumulator, in compliance with rules and laws in force at the
installation site, considering also the type and power of the connected
generator/s.
The installation and operation of the equipment covered by these instruc
-
tions must always respect the national and local rules and regulations of
the installation site, in particular in relation to prescribed safety and con
-
trol accessories. Ensure that the technical room, where the equipment
will be located, has opening of sufficient size to allow the free passage
out of it without having to operate demolitions of any kind.
English
User Manual PUFFER