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For long-term protection 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 modifica-
tion and during maintenance 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 dischar-
ge during interventions.
WARNING: Failure to clean the heat
system or add an adequate inhibitor inva-
lidates the device's warranty.
Gas connections must be made in accor-
dance with current standards and regula-
tions. When dimensioning gas pipes from
the meter to the module, both capacity
volume (consumption) in m
density must be taken into account.
System pipe sections must be able to gua-
rantee sufficient supply to cover maximum
40
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.
3
/h and gas
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 the gas or in gas
main pipes.
To prevent malfunctioning of the valve, or in
certain cases even to cut out the safety devi-
ce 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 acces-
sory assembly see fig. 5.
Fig. 5
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