S-CB
+
Boiler Range Manual
31
8.9 Five typical examples
A
:
Twin pipe system with separate pipes for flue gas and air supply
C13, C33, C43, C63, C93
B
:
Twin pipe system with separate pipes and concentric roof terminal
C13, C33, C43, C63, C93
C
:
Single pipe for flue gas outlet only (air supply from boiler room)
B23, B23P, B33
D
:
Concentric pipe for flue gas/air supply (roof-mounted)
C13, C33, C43, C63, C93
E
:
Concentric pipe for flue gas/air supply (wall-mounted)
C13, C33, C43, C63, C93
8.9.1
E
XAMPLE
A:
T
WIN PIPE SYSTEM
180
4
m
2m
2
m
2
m
2m
5
m
Calculation example with given lengths: checking resistance
The total resistance is less than 200 Pa. This flue gas / air supply system is
functional.
Boiler type:
S-CB
+
180
Flue gas
Diameter: 130 mm
Number
Pa
Pa total
Straight tube m¹
total
9
6
54
Bend
90°
2
6
12
Flue outlet
conical
1
0,9
0,9
Total resistance flue gas outlet:
66.9
A
ir
su
pp
ly
Diameter: 130 mm
Number
Pa
Pa total
Straight tube m¹
total
8
2
16
Bend
90°
2
2
4
Air inlet
H/D = 1,0
1
13,1
13,1
Total resistance air supply:
33,1
Total resistance flue gas outlet and air supply:
100 Pa
8.9.2
E
XAMPLE
B:
T
WIN PIPE SYSTEM WITH CONCENTRIC ROOF TERMINAL
120
2
m
2
m
2m
2
m
2
m
2m
Calculation example with given lengths: checking resistance
The total resistance is less than 200 Pa. This flue gas / air supply system is
functional.
Boiler type:
S-CB
+
120
Flue gas
Diameter: 100 mm
Number
Pa
Pa total
Straight tube m¹
total
6
6,5
39
Bend
90°
2
6,5
13
Roof terminal
concentric
150/100
1
45
45
Adaptor conc./par.
150/100
1
22
22
Total resistance flue gas outlet:
119
A
ir
su
p-
ply
Diameter: 100 mm
Number
Pa
Pa total
Straight tube m¹
total
6
4
24
Bend
90°
2
4
8
Total resistance air supply:
32
Total resistance flue gas outlet and air supply:
151 Pa
Summary of Contents for S-CB+ Series
Page 2: ......
Page 3: ......
Page 22: ...S CB Boiler Range Manual 22 ...
Page 39: ...S CB Boiler Range Manual 39 9 4Electrical schematics ...
Page 124: ...S CB Boiler Range Manual 124 ...
