Riello G20 User Manual

19
2903443
GB
Start-up, calibration and operation of the burner
8.1 Notes on safety for the first start-up
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
2
concentration in the flue gases,
their temperatures and the average temperature of the water in
the boiler.
To suit the required appliance output, fit the nozzle then adjust
the pump pressure, the setting of the combustion head and the
air damper opening in accordance with the following Tab. E.
The values shown in the table are measured on a CEN boiler
(as per EN 267). They refer to 12.5% CO
2
at sea level and with
gas oil and room temperature of 20 °C.
Tab. E
(*) Tests carried out without the right side sound damping panel
of the burner cover (see Fig. 21 at page 21).
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.
8 Start-up, calibration and operation of the burner
WARNING
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
Check the correct working of the adjustment, com-
mand and safety devices.
Fuel
Nozzle Pump
pressure
Burner
output
Combustion head
adjustment
Air damper
adjustment
GPH Angle bar kg/h ± 4% Set-point Set-point
KEROSENE
2.50 60° 9.5 7.95 1 2.3
2.75 60° 8 8.60 1 2.6
3.00 60° 8 9.40 1.5 2.9
3.50 60° 8 10.05 2 3.5
4.00 60° 8 11.00 2.5 4.0
4.50 60° 8 12.30 3.5 4.8
5.00 60° 8 14.60 5 5.8
5.50 60° 8 16.45 6 6*
5.50 60° 10 18.10 6 8*
GAS OIL
2.00 60° 12 8.6 1 3
2.25 60° 12 9.7 1.5 3.2
2.50 60° 12 10.7 2 3.5
3.00 60° 12 12.9 2.5 4.3
3.50 60° 12 15.0 3.5 5.5
4.00 60°/45° 12 17.2 5 6.5
4.00 60°/45° 13 17.9 6 7
WARNING
It is advisable to replace nozzles every year dur-
ing regular maintenance operations.
CAUTION
The use of nozzles other than those specified by
the manufacturer and inadequate regular mainte-
nance may result into emission limits non-con-
forming to the values set forth by the regulations
in force, and in extremely serious cases, into po-
tential hazards to people and objects.
The manufacturing company shall not be liable for
any such damage arising from nonobservance of
the requirements contained in this manual.

Riello G20 Specifications

General

Stages	1
Control System	Electronic
Ignition	Electric
Dimensions	Varies by model
Weight	Varies by model