7.0
SITE REQUIREMENTS
18
7.10
Flue Options
1. The Main Combi 24 can be fitted with flue systems
as illustrated.
2. The standard flue is suitable only for horizontal
applications.
3. Maximum permissible equivalent flue lengths are:-
Horizontal
5 metres
Vertical
4 metres
Vertical (Twin Pipe)
15 metres
4. Any additional “in line” bends in the flue system
must be taken into consideration.
Their equivalent lengths are:-
Concentric Pipes:
45° bend
0.5 metres
90° bend
1.0 metres
Twin Flue Pipe
45° bend
0.25 metres
90° bend
0.50 metres
The elbow supplied with the standard horizontal flue
is not included in any equivalent length calculations
5. The illustrations opposite show examples of
maximum equivalent lengths.
6. Instructions for guidance and fitting are included in
each kit, where appropriate.
Horizontal
Flues
Vertical
Flues
Vertical
Flues
(Twin Pipe)
Maximum Length = 4m inc. 2 x 45° bends
Maximum Length = 14m
inc. 4 x 45° bends
Maximum Length = 2m
inc. 2 x 90° bends
Summary of Contents for Combi 24 HE
Page 45: ...45 16 0 NOTES ...