35
Item
Size (mm)
Resistance (Pa)
EF 58
EF80
EF100
EF120
EF150
EF180
Straight tube (per metre)
80
4.0
7.5
X
X
n/a
n/a
Straight tube (per metre)
100
1.2
3.0
3.5
4.0
n/a
n/a
Straight tube (per metre)
130
0.4
0.7
0.8
1.1
n/a
n/a
45° Elbow
80
2.0
3.5
X
X
n/a
n/a
45° Elbow
100
0.6
1.5
1.7
2.0
n/a
n/a
45° Elbow
130
0.2
0.4
0.4
0.5
n/a
n/a
90° Elbow
80
4.0
7.0
X
X
n/a
n/a
90° Elbow
100
1.2
3.0
3.5
4.0
n/a
n/a
90° Elbow
130
0.3
0.7
0.8
1.1
n/a
n/a
Vertical inlet cap
80
10.4
18.1
X
X
n/a
n/a
Vertical inlet cap
100
4.2
7.4
11.4
16.7
n/a
n/a
Vertical inlet cap
130
1.5
2.6
4.0
5.8
n/a
n/a
8.8.3
Air inlet component resistances (pa)
Item
Size (mm)
Resistance (Pa)
EF 58
EF80
EF100
EF120
EF150
EF180
Straight tube (per metre)
80
5.0
8.0
X
X
n/a
n/a
Straight tube (per metre)
100
2.0
3.5
4.0
6.5
n/a
n/a
Straight tube (per metre)
130
0.5
0.8
1.2
1.8
n/a
n/a
45° Elbow
80
2.5
4
X
X
n/a
n/a
45° Elbow
100
1.0
1.7
2
3.2
n/a
n/a
45° Elbow
130
0.2
0.4
1.6
0.8
n/a
n/a
90° Elbow
80
5.0
8.0
X
X
n/a
n/a
90° Elbow
100
2.0
3.5
4.0
6.5
n/a
n/a
90° Elbow
130
0.4
0.8
1.2
1.8
n/a
n/a
Vertical exhaust cap
80
13.8
24.0
X
X
n/a
n/a
Vertical exhaust cap
100
5.6
9.8
15.2
22.1
n/a
n/a
Vertical exhaust cap
130
2.0
3.5
5.3
7.8
n/a
n/a
8.8.4
Exhaust component resistances (pa)
8.8.5
Worked example – conventional flue
Flue Resistance Calculation Example
EXAMPLE EF100 WATER HEATER WITH VERTICAL CONCENTRIC TERMINAL
11000mm VERTICAL FLUE LENGTH
2000mm HORIZONTAL FLUE LENGTH
2X 90° BEND
2X 45° BEND
AIR SUPPLY FROM PLANT ROOM
Содержание EcoForce EF100
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