Manual

0020107230_04 - 12/14 - Glow-worm
INSTALLATION
- 13 -
4.2.4 Multiple boiler chimney fl ue
Ø 60/100 mm (C43 type installation)
The fl ue connecting from the appliance to
the fl ue system must be supplied from the
manufacturer of the boiler.
C43 fl ue systems must not be a 'pressurised
system' but act under natural draught principles
C43 type fl ue systems must have their
own condensate drain fi tted and not allow
condensate to mix into other appliances
Multiple Boiler Chimney Flue Length
The fl ue length must be calculated and installed according to
the relevant standards EN 13384-1 and 2 (C43 fl ue systems
only) with reference to the table below and the manufacturers
instructions supplied.
The appliance maximum fl ue length must be included when
calculating the overall design of the fl ue system.
NOTE: The horizontal fl ue terminal must be removed.
L
B
A
1
2
3
4
5
Key
1 Pressure balancing system
2 Air-inlet pipe
3 Collector pipe
4 Boiler
5 Inspection hatch
A Final storey
B Ground fl oor
Type Max length (L)
Ø 60/100 8 m
Each time an additional 90° bend is necessary (or 2 at 45°), the
length (L) must be reduced by 1 m.
Flexicom
12hx
Flexicom
15hx
Flexicom
18hx
Flexicom
24hx
Flexicom
30hx
Flexicom
35hx
Exhaust mass rate (g/s)
At Min Thermal
Load (40C°/30°C)
4.30 4.30 4.30 4.30 4.30 4.30
At Max Thermal
Load (80C°/60°C)
5.54 6.91 8.33 11.17 14.10 16.39
Exhaust temperature (ºC)
At Min Thermal
Load (40C°/30°C)
33.2 33.2 33.2 33.2 33.2 36.0
At Max Thermal
Load (80C°/60°C)
55.8 58.3 63.0 73.3 87.4 84.0