2318
6
GB
4
4. WORKING
4.1 COMBUSTION ADJUSTMENT
In conformity with Efficiency Directive 92/42/EEC 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 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, choose the proper nozzle and adjust the pump pressure, the air damper
opening in accordance with the following schedule:
NOZZLES TO BE USED:
Delavan 80
°
W with filter DROPSTOP type 60030.
MAINTENANCE POSITION
THE ACCESSIBILITY TO THE NOZZLE, THE DIFFUSER DISC AND THE ELECTRODES IS MADE EASY
IN 2 WAYS:
Fig. 11 –
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 flame tube (2) after loosing the fixing screws (3).
– Remove the small cables (4) from the electrodes and the diffuser disc-holder assembly (5) from the
nozzle-holder assembly after loosing its fixing screw (3, fig. 15, page 8).
– Screw the nozzle (6) correctly and tighten it as shown in the figure.
1
A
TYPE
Nozzle
Pump
pressure
Burner
output
Air damper
adjustment
GPH
Angle
bar
kg/h
±
4%
Set-point
371
T1
0.40
80
°
12
1.35
0.25
0.50
80
°
12
1.7
1.1
0.60
80
°
12 / 14
2.0 / 2.2
2.0
372
T1
0.60
80
°
12
2.0
1.1
0.65
80
°
12
2.3
2.0
0.75
80
°
12
2.9
2.5
373
T1
0.75
80
°
11
2.6
2.2
0.85
80
°
12
3.0
2.9
0.85
80
°
14
3.3
4.0
1
2
3
In the output range from 1.35 to 3.3 kg/h and
using the u. m. nozzles (with filter Delavan
DROPSTOP type 60030), it has been reached
the combustion values as per RAL-UZ 9,
Edition March 1997 (environmental mark -
GERMANY):
Type 371T1: Delavan 0,40 GPH - 80
°
W
Delavan 0,50 GPH - 80
°
W
Delavan 0,60 GPH - 80
°
W
Type 372T1: Delavan 0,60 GPH - 80
°
W
Delavan 0,65 GPH - 80
°
W
Delavan 0,75 GPH - 80
°
W
Type 373T1: Delavan 0,75 GPH - 80
°
W
Delavan 0,85 GPH - 80
°
W
4
Fig. 11
S7265
S7264
Summary of Contents for 3737150
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