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4
COMMISSIONING AND OPERATION
4.1 - POSITIONING OF THE
TURBULATORS
The ELLPREX boilers are designed to be used
in an output range to improve the seasonal
efficiency and the possibility to be adopted
in all the heating installations.
The output must be adjusted at the
commissioning stage, according to the system
designer indications and, in any case, within
the operation range for each boiler model
shown on page 6 to 9, by the burner
technician, which will determine the fuel
throughput.
In any case the turbulators will be placed,
inside the relevant smoke pipes, at a
distance, from the front tube plate, as
shown in fig. 33.
When using the boiler at minimum output the
smoke temperature will not be lower than 160
°C.
In contrary case, before get in touch with our
After Sale Service Dept, ascertain that the
turbulators are in all the smoke pipes.
The commissioning of the burner must be
performed under the responsibility of a
specialized and well trained burner technician,
authorised by the burner manufacturer.
In that occasion a commissioning report has
to be filled out.
POSITION OF THE CORE INSIDE THE TURBULATOR (ONLY FOR MODELS ELL 170÷870)
ELL 170
ELL 240
ELL 290
ELL 340
ELL 420
ELL 510
ELL 630
ELL 760
ELL 870
A =
A =
A =
A =
A =
A =
A =
A =
A =
50
260
200
320
390
560
700
590
810
Note: In case of boiler use at minimum output, do not place the core inside the turbulator.
POSITION OF THE TURBULATORS INTO THE BOILER SMOKE PIPES (see fig. 33)
AT MIN. OUTPUT AT MAX. OUTPUT
100
100
250
200
250
200
300
330
340
370
200
410
910
1100
1290
1470
1540
100
ELL 170
ELL 240
ELL 290
ELL 340
ELL 420
ELL 510
ELL 630
ELL 760
ELL 870
ELL 970
ELL 1100
ELL 1320
ELL 1570
ELL 1850
ELL 2200
ELL 2650
ELL 3000
ELL 3500
B =
B =
B =
B =
B =
B =
B =
B =
B =
B =
B =
B =
B =
B =
B =
B =
B =
B =
100
100
250
200
250
200
300
330
340
370
200
310
750
900
1130
1260
1380
100
fig. 33
A
Front side
Turbulator core
Rear side
Turbulator
28


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