ALUTHERM
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Boilers 31
ALUTERM A 170 - 300
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Installation, user and service manual
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instructions for user
Heating
Alutherm A 170 - 300
Table below gives the equivalent of pipe length in meter of bend 90°, 45°
Equivalent of pipe length in meters
Bend
Pipe diameter
ø200 mm
Ø180 mm
ø150 mm
Ø110 mm
Bend 90°
5,75
4,5
4
3,5
Bend 45°
3,75
2,5
1,7
1,5
Warning: Do not install the terminals for supply of combustion air and for the exhaust of combustion products on opposite walls of the building
Terminals must be installed in the same pressure area (within a plane of 1m2)
6.5.6
C(11)3
For C(11)3 see “cascade appendix”.
6.5.7
Pressure drop calculations
Flue-outlet and air-supply calculations;
Total pressure drop available for flue-outlet and air-supply is given in the table below
Air connection:
all types have air connection ø 110 mm
Flue gas connection:
ø 200 mm for all types
Type Boiler
Total available Pressure drop
In [Pa] for B23, C13, C33, C53, C63
A 170
150
A 210
150
A 260
150
A 300
150
For pressure drop calculation of appliance types B23, C13, C33 and C53 use the next two tables on the following pages.
Pressure drop table per component.
