Riello P200 T/N Installation, Use And Maintenance Instructions page 5

COMBUSTION CHAMBER PRESSURE - MAXIMUM OUTPUT
Operation field:
When the burner operates with only one or two nozzles, the pressurization conditions are improved and no
problems arise.
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(Three nozzles in operation)
Limit Safety
Boiler front plate drilling
Combustion head projection
For the combustion head projection carefully follow the boiler
manufacturer indications.
A proper protection with refractory material on the combustion head
projecting into the combustion chamber shall be made, when boilers
with frontal smoke box are used.
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