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5.4
Burner adjustment table
The Tab. C indicates initial setting with combustion
air at 68 °F.
WARNING
Model RDB2.2R T1 burner setup chart
Actual firing rate
5% ±
US GPH
0.50
0.55
0.60
0.70
Model RDB2.2R T3 burner setup chart
Actual firing rate
5% ±
US GPH
0.60
0.70
0.75
0.80
0.85
0.90
1.00
1.05
1.10
FCX22 with Model RDB2.2R T1 burner setup chart
Actual firing rate
5% ±
US GPH
0.62
FCX30 with Model RDB2.2R T3 burner setup chart
Actual firing rate
5% ±
US GPH
0.82
–
Actual input values given in Tab. C are based on zero (0)
chamber pressure, fired in Riello Canada Inc. Test Lab DIN
(small) test boiler (chamber length 17", chamber diameter of
11").
Input values calculated using pump pressures listed above in
the setup table. Some variations will occur depending on appli-
cation. This above setup table is used to assist in the initial set-
up only.
Proper test equipment must be used to set the burner up prop-
erly.
–
Please refer to appliance literature or recommendation regard-
ing nozzle size, spray pattern and spray angle.
If no suggestions or literature are given, using above setup ta-
ble for desired input value set burner to table setting until burn-
er is firing then make suitable adjustments to burner to achieve
desirable combustion results.
20045701
Burner operation
Nozzle size
Pump pressure
GPH
0.40 x 60-80°
0.50 x 60-80°
0.55 x 60-80°
0.60 x 60-80°
Nozzle size
Pump pressure
GPH
0.55 x 60-80°
0.60 x 60-80°
0.65 x 60-80°
0.70 x 60-80°
0.75 x 60-80°
0.80 x 60-80°
0.85 x 60-80°
0.90 x 60-80°
1.00 x 60-80°
Nozzle size
Pump pressure
GPH
0.55 x 60° A
0.55 x 60° W
Nozzle size
Pump pressure
GPH
0.70 x 60° A
0.70 x 60° W
PSI
Main (A)
175
175
175
175
PSI
Main (A)
175
175
175
175
175
175
175
175
175
PSI
Main (A)
185
180
PSI
Main (A)
185
180
MODEL RDB2.2R TI, T3 &T5 NOZZLES
Any nozzle manufacturer, size, and angle spray pattern.
The appliance in which the burner is installed into determines
RDB 2.2R burner nozzle selection.
COMBUSTION CHAMBER
Follow the instructions furnished by the boiler/furnace manufactur-
er. Size retrofit application according to the appropriate installation
codes (e.g. CSA B139 or NFPA #31).
NON-RETROFIT APPLICATIONS
If this burner is packaged with the appliance, it is considered an
OEM package; please read all the instructions related to the burn-
er, this information will supersede our installation manual.
20
Air damper setting
Secondary (B)
B
0.00
B
2.50
B
4.00
B
9.50
Air damper setting
Secondary (B)
C
1.25
C
3.25
C
3.75
C
4.75
C
5.75
C
9.75
D
6.00
D
6.25
D
9.75
Air damper setting
Secondary (B)
B
1.50
B
1.50
Air damper setting
Secondary (B)
C
3.25
C
3.25
Tab. C
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