E93.1001EN.C Manual CD
+
30
E
XAMPLE
C:
S
INGLE FLUE GAS OUTLET
.
A
IR SUPPLY FROM WATER HEATER ROOM
(B23,
B23P)
Calculation example with given lengths: checking resistance
The total resistance is less than 200 Pa. This flue gas / air supply system is
functional.
Part number. roof terminal: E04.018.001 - Inox, concentric
Part number. roof terminal: 410084853 - PP, concentric
Example C (B23) max. pipe length
water heater type
→
CD
+
80
CD
+
100
CD
+
120
CD
+
150
CD
+
180
Diameter air inlet
[mm]
80
100
100
130
130
Diameter flue outlet
[mm]
80
100
100
130
130
Diam. roof terminal
[mm]
80
100
100
130
130
Maximum pipe length
[m]
(total outlet length)
21,5
46,5
27,5
49,5
30,0
Part no. roof terminal: Inox, conc:
(same as concentric)
E04.018.015
E04.018.001
E04.018.074
Part no. roof terminal: PP, conc:
410086883
410084853
410070279
Water heater type:
CD
+
100
Fl
ue
gas
Diameter: 100 mm
Number
Pa
Pa total
Straight tube m¹
total
13
4
52
Bend
90°
2
4
8
Bend
45°
2
2
4
Flue outlet
H/D = 1,0
1
15,2
15,2
Total resistance flue gas outlet:
79,2
100
4
m
2m
3
m
2m
2
m
Example C
B23
Vented area
Air inlet
Flue outlet
Air inlet