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2.3
SYSTEM CONNECTIONS
To protect the heat system from dama-
ging corrosion, incrustation or deposits,
after installation it is extremely impor-
tant to clean the system using suitable
products 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 protection agains cor-
rosion and deposits, the use of inhibi-
tors such as Sentinel X100 or Fernox
Protector F1 is recommended after cle-
aning the system.
It is important to check the concentration
of the inhibitor after each system modifi-
cation and during maintenance following
the manufacturer's instructions (specific
tests are available at your dealer).
The safety valve drain must be con-
nected to a collection funnel to collect
any discharge during interventions.
WARNING: Failure to clean the heat
system or add an adequate inhibitor
invalidates the device's warranty.
Gas connections must be made in accor-
dance with current standards and regu-
lations. When dimensioning gas pipes
from the meter to the module, both
capacity volume (consumption) in m
and gas density must be taken into
account.
System pipe sections must be able to
guarantee sufficient supply to cover
maximum demand, limiting pressure
loss between the meter and any utility
device no greater than 1.0 mbar for
second family gas (natural gas).
A sticker inside the module includes
identification and gas type data specific
to the module.
2.3.1
Condensation drain connection
A siphoned drain must be connected to
the civil drain by a pipe with minimum 5
mm per meter gradient for condensation
collection.
Only normal plastic civil drain pipes are
suitable to convey condensation to the
building's sewer drain.
2.3.2
Filter on the gas pipe
The gas valve is supplied ex factory with
an inlet filter, which, however, is not
adequate to entrap all the impurities in
3
/h
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 THE SYSTEM
Cold system filling pressure must be 1
bar. The system must be filled slowly so
that air bubbles are released through the
specific escapes.
2.6
EXHAUST
FOR OUTDOOR
INSTALLATION (fig. 5)
The exhaust terminal for single module
code 8089530 is required for this type
of installation. For separately supplied
accessory assembly see fig. 5.
ES
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EN
EN
Fig. 5
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