Combustion Head Adjustment; Air Damper Adjustment - Riello FS5 LME Installation, Use And Maintenance Instructions

COMBUSTION HEAD ADJUSTMENT

Loosen the screw (A), move the elbow (B) so that
the rear plate of the coupling (C) coincides with the
set point.
Tighten the screw (A).
Example:
The burner is installed in a 40 kW boiler.
Considering efficiency of 90% the burner must
supply around 44 kW.
The diagram shows that for this
output the adjustment must be
made on notch 3.
The diagram is to be used only
for initial settings, to improve air
pressure switch operation
improve combustion, it may be
necessary to reduce this setting
(set point toward position 0).

AIR DAMPER ADJUSTMENT

The regulation of the air-rate is made by adjusting the air damper
(1), after loosing the screws (2).
When the optimal regulation is reached, screw tight the screws
(2).
20039410
kcal/h kW
60,000 70
60
50,000
or
50
40,000
44
40
30,000
30
20,000
20
10,000
10
0
GB
6
C
A
B
1 2
2
S7015
D5137
3 4 5
Set point
1
2
D5231