Royal CPR 28T Installation, User And Maintenance Manual page 40

5.5 FLUE GAS EXHAUST
The boiler is equipped with exhaust fan.
The boiler operates with negative pressure in the
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.
conditions and bear the CE mark.
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
exhaust.
There should be at least three changes in direction
the rear of the boiler, using 45 angle connectors.
Use always a 'T' connector with inspection cap on
It is necessary to connect a pipe at the bottom of
(Fig. 5.6).
The maximum length of horizontal sections is 2-3
connected to:
a chimney used by other heat generators
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.
unsuitable discharge terminal, etc.) flue gas
exhaust may be less than optimum. In these cases,
technical service for this procedure.
Make one or more holes – that must be sealed - on
emissions after the installation.
40
INSTALLATION
B
B
B
Fig. 5.5
Fig. 5.6