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1.7 IMMERGAS FLUE SYSTEMS.
Immergas supplies various solutions separately
from the boilers regarding the installation of air
fundamental for boiler operation.
Attention: the boiler must be installed
exclusively with an original Immergas "Green
Range" air intake and fume extraction system
in plastic, as envisioned by the Standards
identi cation mark and special distinctive
marking bearing the note: "only for condensing
boilers".
• Resistance factors and equivalent lengths.
Resistance Factor
based on experimental tests and speci ed
individual components is independent from
the type of boiler on which it is installed
and has a dimensionless size. It is however,
that pass through the pipe and therefore,
varies according to applications for air intake
resistance corresponding to a certain length
in metres of pipe of the same diameter; the
so-called equivalent length, obtained from the
ration between the relative Resistance Factors.
All boilers have an experimentally obtainable
maximum Resistance Factor equal to 100.
e maximum Resistance Factor allowed
corresponds to the resistance encountered with
the maximum allowed pipe length for each
calculations to be made to verify the possibility
Positioning of the gaskets (black) for "green
gasket correctly (for bends and extensions)
(Fig. 1-7):
- gasket (A) with notches, to use for bends;
- gasket (B) without notches, to use for
extensions.
N.B.: if component lubrication (already carried
the residual lubricant using a dry cloth, then to
or industrial talc.
Diaphragm installation. For correct functioning
of the boiler it is necessary to install a diaphragm
on the outlet of the sealed chamber and before
of suitable diaphragm takes place on the basis
of the type of pipe and its maximum extension:
this calculation can be carried out using the
following tables:
N.B.: the diaphragms are supplied together with
the boiler.
Position the
Diaphragm
Diaframma
(A)
(B)
1-7
1-8
7
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