40
Fig. 5.5
Fig. 5.6
B
B
B
MAX 2 - 3 m
C > 3 - 5%
INSTALLATION
5.5 FLUE GAS EXHAUST
The boiler is equipped with exhaust fan.
The boiler operates with negative pressure in the
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gas discharge must be airtight.
The boiler must be connected to its own separate
flue gas exhaust system capable of ensuring
adequate atmospheric dispersion of the combustion
byproducts.
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conditions and bear the CE mark.
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rock wool) or made using double wall steel pipes,
except for the initial vertical section inside the room.
An initial vertical section measuring a minimum of
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exhaust.
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There should be at least three changes in direction
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the rear of the boiler, using 45 angle connectors.
Use always a ‘T’ connector with inspection cap on
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It is necessary to connect a pipe at the bottom of
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(Fig. 5.6).
The maximum length of horizontal sections is 2-3
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connected to:
a chimney used by other heat generators
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air exhaust systems (range hoods, vents,
etc.....) even if these are ducted.
Shut-off or draught valves must not be used.
Combustion byproducts must be discharged
through the roof.
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unsuitable discharge terminal, etc.) flue gas
exhaust may be less than optimum. In these cases,
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technical service for this procedure.
Make one or more holes – that must be sealed - on
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emissions after the installation.
