Glow-worm Flexicom 24cx - Flue Length Preparation and Installation

21
10.1 Flue Length
The maximum permissable horizontal ue length is 8 metres
plus the ue terminal assembly, this can be achieved by use
of the accessories, see diagram 10.3.
However should an additional 87.5º or 2 x 45º elbows be used
then the length MUST be reduced by 1metre.
The diagram 10.1 shows the length achievable by using the
kit A2043600.
When extension pipes are used the ue system must be
designed to have a continuous fall to the boiler of at least 2.5º
44mm/metre to allow condensate to run back into the boiler
and out via the condensate drain.
The ue can be installed from inside the building, when
access to the outside wall face is not practicable.
13934
10 Telescopic Flue - Length, Preparation and Installation
Multiple Boiler Chimney Flue Length
The ue length must be calculated and installed according to
the relevant standards EN 13384-1 and 2 (C43 ue systems
only) with reference to the table below and the manufacturers
instructions supplied.
The appliance maximum ue length must be included when
calculating the overall design of the ue system.
NOTE: The horizontal ue terminal must be removed, see
diagram 10.2.
Horizontal Telescopic Flue - Rear
Diagram 10.1
14004
Horizontal Telescopic Flue - Side
Flexicom
24cx
Flexicom
30cx
Flexicom
35cx
Exhaust mass rate (g/s)
At Min Thermal
Load (40C°/30°C)
4.30 4.30 4.30
At Max Thermal
Load (80C°/60°C)
11.67 14.10 16.39
Exhaust temperature (ºC)
At Min Thermal
Load (40C°/30°C)
33.2 33.2 36.0
At Max Thermal
Load (80C°/60°C)
73.3 87.4 86.0