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4.4
BURNER ADJUSTMENTS
The tie rod connecting the two air-gas levers, can be fixed on 3 positions according to the modulating
requirements. The factory setting foresees that the tie rod is fixed on both levers in position 1.
Output (kW)
100
150
200
The value with back pressure in combustion chamber at a 0 mbar. In case of lower or higher back pressure
values, act on the adjustment of the combustion head.
Output (kW)
100
150
200
The value with back pressure in combustion chamber at a 1 mbar. In case of lower or higher back pressure
values, act on the adjustment of the combustion head.
You can obtain the adjustment of the intermediate maximum output (100 and 150 kW), than the
maximum absolute of 200 kW, limiting the cam I opening of the servomotor.
By means of this adjustment, the indication of the servomotor position will show the partial load.
Therefore, the PLC software will foresee the possibility "to decrease" this indication according to the
ATTENTION
necessity.
20050873
Fig. 13
1
1
3
2
20050501
Gas pressure - M2
(mbar)
2,2
5,5
10,5
Factory setting
Gas pressure - M2
(mbar)
2,3
6
11
2
3
Combustion
head setting
5
5
5
Combustion
head setting
8
8
8
12 GB
Servomotor setting
Min.
Max.
20%
55%
20%
75%
20%
100%
Servomotor setting
Min.
Max.
20%
55%
20%
75%
20%
100%
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