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2
INSTALLATION
The boiler must be installed in a fixed loca-
tion and only by specialized and qualified
firms in compliance with all instructions
contained in this manual . Furthermore, the
installation must be in accordance with cur-
rent standards and regulations .
2 .1
INSTALLATION
- In the rooms where "Type B" boilers
are installed, the air required for correct
combustion of the gas consumed by the
appliance must be able to flow in . It is
therefore necessary to make openings
that cannot be blocked in the outer walls,
which must be at least 6 cm
2
of thermal capacity installed and with, in
any case, a minimum of 100 cm
- "Type C" appliances, with combustion
chamber and air supply sealed off from
the environment, can be installed in any
room in the house .
- "Type B and C" boilers are suitable for
functioning in a partially protected place,
as according to EN 297, with maximum
environmental temperature of 60°C and
minimum of -5°C . We recommend instal-
lation of these boilers under the pro-
truding slope of a roof, on a balcony, or
in a protected niche, always providing
they are not directly exposed to adverse
weather (rain, hail, snow) . The boilers are
provided already equipped with anti-fre-
eze functions .
2 .1 .1
Anti-freeze function
The boilers are equipped with anti-freeze
function which activates the pumps and the
burner when the temperature of the water
contained inside the appliance drops to
below value PAR 10 . The anti-freeze function
is ensured, however, only if:
- the boiler is correctly connected to the
gas and electricity supply circuits;
- the boiler is constantly fed;
- the boiler ignition is not blocked;
- the essential components of the
boiler are all in working order
In these conditions the boiler is protected
against frost down to an environmental tem-
perature of -5°C .
ATTENTION: In the case of installation in a
place where the temperature drops below
0°C, the connection pipes must be pro-
tected .
2 .2
COMPLEMENTARY
ACCESSORIES
To facilitate connecting the boiler to the
system, the following accessories can
be supplied on request, complete with
instructions for assembly:
- Installation plate code 8075427
- Elbows and gas taps/sanitary water
output set code 8075418
- Taps kit code 8091806
- Polyphosphates doser kit code 81071700
- Kit of couplings for replacing wall-hung
boilers of other makes code 8093900
- Solar kit for the instantaneous code
8105101
- Protection connection kit "25 BF" code
8094520
- Protection connection kit "30 BF" code
8094521 .
2 .3
CONNECTING UP SYSTEM
To protect the heat system from damaging
corrosion, incrustation or deposits, befo-
for every kW
re installation it is extremely important to
clean the system using suitable products
2
.
such as, for example, Sentinel X300 (new
systems), X400 and X800 (old systems) or
Fernox Cleaner F3 .
Complete instructions are provided with
the products but, for further informa-
tion, you may directly contact SENTINEL
PERFORMANCE SOLUTIONS LTD or FERNOX
COOKSON ELECTRONICS . For long-term pro-
tection agains corrosion and deposits, the
use of inhibitors such as Sentinel X100 or
Fernox Protector F1 is recommended after
cleaning the system . It is important to check
the concentration of the inhibitor after each
system modification and during maintenan-
ce following the manufacturer's instructions
(specific tests are available at your dealer) .
The safety valve drain must be connected to
a collection funnel to collect any discharge
during interventions . If the heating system is
on a higher floor than the boiler, install the
on/off taps supplied in kit optional on the
heating system delivery/return pipes .
WARNING: Failure to clean the heat system
or add an adequate inhibitor invalidates the
KEY
1 D .H .W . flow meter (white)
2 Sensor effect HALL (blue)
3 System filling (blue)
3 BAR safety valve
4
5 Boiler discharge
device's warranty .
Gas connections must be made in accordan-
ce with current standards and regulations .
When dimensioning gas pipes from the
meter to the module, both capacity volume
(consumption) in m
be taken into account .
The sections of the piping making up the
system must be such as to guarantee a sup-
ply of gas sufficient to cover the maximum
demand, limiting pressure loss between the
gas meter and any apparatus being used to
not greater than:
– 1 .0 mbar for family II gases (natural gas);
– 2 .0 mbar for family III gases (butane or
An adhesive data plate is sticked inside the
front panel; it contains all the technical data
identifying the boiler and the type of gas for
which the boiler is arranged .
2 .3 .1
The gas valve is supplied ex factory with an
inlet filter, which, however, is not adequate
to entrap all the impurities in the gas or in
gas main pipes . To prevent malfunctioning
of the valve, or in certain cases even to cut
out the safety device with which the valve
is equipped, install an adequate filter on the
gas pipe .
2 .5
Filling of the boiler and the system is done
by the system filling (3 fig . 4) .
The charge pressure, with the system cold,
must be between 1 and 1 .2 bar .
1
7
2
3
6 Automatic by-pass (blue)
7 Water pressure valve
NOTE: They are evidenced in blue/white
the members for which are previewed
the verification and the control .
/h and gas density must
3
propane) .
Filter on the gas pipe
SYSTEM FILLING (fig . 4)
4
5
6
IT
ES
ENG
Fig . 4
71
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