2683
6
GB
4.
WORKING
4.1 COMBUSTION ADJUSTMENT
In conformity with Efficiency Directive 92/42/EEC the application of the burner on the boiler, adjustment and test-
ing must be carried 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 proper nozzle, then adjust the pump pressure and the air damp-
er opening in accordance with the following table.
■
ADJUSTMENTS CARRIED OUT IN FACTORY FOR SIME BOILERS
The values shown in the table are measured on a SIME boiler (as per EN 267).
They refer to 12.5% CO
2
at sea level and with light oil and room temperature of 20 °C.
Table B
■
APPROXIMATE ADJUSTMENTS FOR INSTALLATION ON OTHER BOILERS
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 light oil and room temperature of 20 °C.
BOILER
BURNER
Nozzle
Pump
pressure
Burner
output
Air damper
adjustment
Code
Model
GPH
Angle
bar
kg/h
±
4%
Set-point
Rondò-Estelle 3
8099000
MACK 3
0.55
60° S
12
2.1
3.7
Rondò-Estelle 4
8099010
MACK 4
0.75
60° W
12.5
2.9
2.9
Rondò-Estelle 5
8099030
MACK 5
0.85
60° W
14
3.5
3.8
4.2 NOZZLES RECOMMENDED:
Monarch type R - NS ; Delavan type W-E
Steinen type H - Q ; Danfoss type H - S.
MAINTENANCE POSITION
Access to the combustion head, electrodes and nozzle, (see fig. 10).
➤
Remove the burner out of the boiler, after loosing the fixing nut to the flange.
➤
Hook the burner to the flange (1), by removing the combustion head (2) after loosing the fixing screws (3).
➤
Remove the electrodes assembly (5) from the nozzle-holder (4) after loosing its fixing screw (
B
, fig. 11,
page 7).
➤
Screw the nozzle (6).
M
o
d
e
l
Nozzle
Pump
pressure
Burner
output
Air damper
adjustment
GPH
Angle
bar
kg/h
±
4%
Set-point
M
A
C
K
3
0.40
80°
10
1.4
1.7
0.40
80°
12
1.5
1.8
0.50
60°
12
1.9
2.4
0.55
60°
13
2.2
3.5
M
A
C
K
4
0.55
60°
11
2.0
1.6
0.60
60°
12
2.3
1.7
0.65
60°
12
2.5
2.2
0.75
60°
12
2.9
2.5
0.85
60°
11.5
3.2
3.2
M
A
C
K
5
0.75
60°
11.5
2.8
2.2
0.85
60°
12
3.3
2.5
1.00
60°
12.5
3.9
3.6
E9155
2
5
4
Fig. 10
1
3
6
Summary of Contents for 8099000
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