2000DV - 2080DV
56
03.27987.000
7.
Calculation sheet for determining path
Make a sketch of the desired path, and use it as a basis to fill in the desired figures
in the table below. The roof or wall terminal itself is not counted in the calculation.
Number of vertical metres :
(1)
..….. metres
Number of horizontal metres
(2)
..….. metres
Number of metres at angle 45°
(3)
..….. metres
Number of elbows till 45° : …… x 0.5 metre per elbow
(4)
..….. metres
Number of elbows till 90° : …… x 1 metre per elbow
(5)
..….. metres
Use to calculate the following values :
Total resistance length (1)+(2)+(3)+(4)+(5)
L
..….. metres
Total vertical length
(1)
V
..….. metres
Total horizontal length (2)+(4)+(5)
H
..….. metres
Vertical minus horizontal
V - H
R
..….. metres
With the figures calculated above, and based on the table below, you can check if
the path you have laid out is permissible or not, and calculate how the restrictor
plate inside the unit needs to be positioned for optimum operation.
Natural Gas
LPG
L > 12
L > 12
Path not permitted
L =/< 12
L =/< 12
Path permitted
R < -1
R < 0
Path not permitted
-1 =/< R < 1
0 =/< R < 2
Path permitted, no restriction necessary (position 0)
1 =/< R < 3
2 =/< R < 4
Path permitted, restriction in position 1
3 =/< R < 7
4 =/< R < 9
Path permitted, restriction in position 2
7 =/< R
9 =/< R
Path permitted, restriction in position 3
Содержание 2000DV
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