Start-Up, Calibration And Operation Of The Burner; Notes On Safety For The First Start-Up; Combustion Adjustment; Nozzles Installation - Riello RDB Installation, Use And Maintenance Instructions

8

Start-up, calibration and operation of the burner

8.1

Notes on safety for the first start-up

The first start-up of the burner must be carried out
by qualified personnel, as indicated in this manual
and in compliance with the standards and regula-
tions of the laws in force.
WARNING
8.2

Combustion adjustment

In conformity with Efficiency Directive 92/42/EEC the application
of the burner on the boiler, adjustment and testing must be car-
ried out observing the instruction manual of the boiler, including
verification of the CO and CO
their temperatures and the average temperature of the water in
the boiler.
Combustion air is drawn in from outside, meaning
there may be notable changes in temperature,
which can affect the percentage of CO
You are advised to adjust CO
WARNING
the graph featured.
Exemple: outside air temperature 10 °C, adjust
CO to 11.6% (± 0.2%).
2
The values shown in the table are measured on a FIREBIRD boiler (as EN 267).
Burner
RDB2.2 C26 90K
RDB2.2 C35 120K
RDB2.2 C44 150K
8.3

Nozzles installation

The burner complies with the emission requirements of the
EN 267 standard.
In order to guarantee that emissions do not vary, recommended
and/or alternative nozzles specified by the manufacturer in the In-
struction and warning booklet should be used.
It is advisable to replace nozzles every year dur-
ing regular maintenance operations.
WARNING
The use of nozzles other than those specified by
the manufacturer
maintenance may result into emission limits non-
conforming to the values set forth by the
regulations in force, and in extremely serious
cases, into potential hazards to people and
objects.
CAUTION
The manufacturing company shall not be liable for
any such damage arising from nonobservance of
the requirements contained in this manual.
Start-up, calibration and operation of the burner
concentration in the flue gases,
2
.
2
in accordance with
2
Nozzle
GPH Angle
0.65 80°ES
0.85 80°ES
1.10 60°ES
and inadequate regular
Check the correct working of the adjustment, com-
mand and safety devices.
WARNING
D7052
Pump pressure
bar
9.00
9.00
10.00
8.3.1

Nozzles reccomended

 Delavan type A - W
 Steinen type Q - S
 Danfoss type H - S - EH - ES
Angle 60°: in most cases.
Angle 80°: in case of flame detachment, during ignitions at low
temperatures.
19
GB
Outside air temperature (°C)
Air damper
Output
adjustment
kg/h ± 4% Set-point
1.8 - 3.5 2.5
1.8 - 3.5 5.0
2.8 - 4.5 4.0
Fig. 19
Tab. E
3055