9
The flue gas duct must be in accordance with applicable standards and regulations.
Minimum internal diameter of the pipeline for Helios 10 to Helios 40 is 100 mm, for Helios 50 is
internal diameter of the pipeline 125 mm.
Connecting of the combustion gases to the ventilator must be demountable.
The duct system must prevent the condensate from penetration into the exhaust pipeline.
The duct system must be terminated freely in the exposed position so that the flue gases cannot
face any resistance, and also that combustion products cannot return back to the building through
windows.
The material of flue gases exhaust must be resistant to corrosion and against flue gases tempera-
ture according to relevant standards.
Opening for flue gases measurement is placed according to heater configuration, for heaters without
economizer the opening is in the first part of the duct immediately after the heater, for heaters with
economizer, the opening is in the first part of the flue duct immediately after the economizer.
For pressure losses of individual flue system components see following tables.
Total pressure loss of flue system can be calculated as sum of pressure losses of all components used.
1,5
1,5
2
2
4
16
23
3
4
5
2
2
3
4
4,5
7
23
31
5
7
8
4
3
4
6
7
11
29
35
9
11
13
6
1
1,5
3
3,5
5,5
16
18
4,5
5,5
6,5
3
3,5
4,5
7
8
14
35
44
11
14
16
7
1,5
2
4
4,5
8
19
22
5
6
8
4
2
3
6
6
12
27
32
7
9
12
6
DN 100
DN 100
DN 100
DN 100
-
DN 100
-
DN 100
DN 100
DN 100
DN 100
DN 100
-
DN 100
-
DN 100
DN 125
DN 100
DN 100
DN 100
-
DN 100
-
DN 100
DN 125
DN 100
DN 100
DN 100
DN 125
DN 125
DN 130
DN 130
Содержание HELIOS
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