Start-Up, Calibration And Operation Of The Burner; Notes On Safety For The First Start-Up; Combustion Adjustment - Riello RDB 2.2 BX 12-18 Installation, Use And Maintenance Instructions

6

Start-up, calibration and operation of the burner

6.1

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-
WARNING tions of the laws in force.
6.2

Combustion adjustment

In conformity with EN 267, the application of the burner on the
boiler, adjustment and testing must be carried out observing the
instruction manual of the boiler, including verification of the CO
and CO2 concentration in the flue gases, their temperatures and
the average temperature of the water in the boiler.
The combustion air is sucked from outside, there-
fore, there can be sensitive temperature varia-
tions that can influence the percentage value of
WARNING the CO2. It is advisable to adjust the CO2 accord-
ing to the indicated diagram.
e.g. with an external air temperature of 10°C, ad-
just the CO2 to 12.5% (± 0.2%).
Settings carried out in factory
The values in Tab. H refer to 12.50 of CO
a temperature of the surroundings and the light oil of 20 °C.
Model
Model
RDB 2.2 BX 12 - 18 Danfoss
RDB 2.2 BX 18 - 25 Danfoss
RDB 2.2 BX 25 - 32 Danfoss
(*) Type-approval adjustment
20130035
Start-up, calibration and operation of the burner
, at sea level and with
2
Nozzle
GPH Angle
0.40 80° EH
0.60 80° EH
0.75 80° EH
Check the correct working of the adjustment, com-
mand and safety devices.
WARNING
Pump
Burner
pressure
output
(± 0.5)
bar kg/h ± 4%
9 1.26
8.8 1.81
10.3 2.40
18
GB
External air temperature (°C)
Combustion
head
adjustment (*)
(± 0.5)
mm
(Fig. 17)
11
14
19
D7052
Fig. 15
Air damper
adjustment
(± 0.25)
Set-point
(Fig. 19)
B/1,75
2.3
4.2
Tab. H