Riello P 300 P/G Manuel D'entretien page 51

The output of the burner during the operation varies from a maximum and a minimum value.
The max. output should be inside of the operating field, see drawing below.
The minimum output may decrease up to 75 kg/h.
COMBUSTION CHAMBER PRESSURE - MAXIMUM OUTPUT
MOUNTING THE BURNER ON THE BOILER
For the separation of the blast tube from the burner body, follow these instructions:
- Remove the cover (1), the split pin and the pin (2), the nuts (3) and the screws (4).
- Slide the blast tube from the burner body of approx. 100÷120 mm, release the fork of the combustion head shift-
ing (6) removing the spit pins (5).
- Now it is possible to withdraw the blast tube from the slides (7).
- Mount the blast tube to the boiler interposing the gasket (8).
- Set up the proper nozzle and inset the slides (7) in the burner maintaining the distance of approx. 100÷120 mm.
- Mount the fork (6) and hook it by the split pins (5).
- Close the burner, fasten the screws (4), the nuts (3), the split pin and the pin (2).
Burner opening for service
Follow the above instructions without remove the nuts (3).
By lifting the burner using the hooks it is possible ti fix it to the boiler without separating from the blast tube.
2
1 3
5482
7 6
4 5
100÷120mm
2590
BOILER FRONT PLATE DRILLING -
8
COMBUSTION HEAD
PROJECTION
For the combustion
head projection care-
fully follow the boiler
manufacturer indica-
tions.
A proper protection with refractory material on the
combustion chamber shall be made, when boilers
with frontal smoke box are used.
2
GB
D2701
kg/h
kW
260
D2702
M18