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M E T R O 1 00 - I N S TA L L AT I O N M A N UA L
Table 2: Determination of th e permissibility of a concentric system with a roof terminal
G20 / G25
no bends
2 bends
→
3 bends
→
4 bends
5 bochten
■
■
= situation is not allowed
G20 / G25
Situation
A
B
C
6.5.3.2 Placing concentric system with roof terminal
The roof terminal can end in a sloping and a fl at roof.
The roof terminal can be supplied with an adhesive plate for a fl at roof or with a universally adjustable tile for a
sloping roof.
- Maintain a distance of at least 50 mm between the outside of the concentric system and the walls and/or the ceiling.
Caution
If the system is built in (for instance) a cove, it should be made with non combustible material all around it;
- Use heat-resistant insulation material when passing through combustible material.
!Caution Some heat-resistant insulation materials contain volatile components that will spread an unpleasant smell for a pro-
longed time; these are not suitable.
Place the concentric system as follows:
➠
Build the system up from (the connection stump of) the appliance.
➠
Connect the concentric pipe pieces and, if necessary, the bends.
➠
On each connection, apply a clip binding with silicon sealing ring.
➠
Use a self-tapping screw to fi x the clip binding to the pipe on locations that cannot be reached after installation.
95900005_ML1 Install.indd 9
95900005_ML1 Install.indd 9
Total number of
Total number of meters vertical and/or sloping pipe length
meters horizontal
1
2
pipe length
0
B
B
0
A
A
1
A
2
3
4
5
0
A
1
A
2
3
4
5
0
A
1
A
2
3
4
5
-
Table 3: Condi tions for the adjustment of the appliance with a roof terminal
Air inlet guides
NO
YES
YES
↓5
3
4
6
7
8
B
B
B
B
B
C
B
B
B
B
B
B
A
B
B
B
B
B
A
A
B
B
B
B
A
A
B
B
B
A
A
B
B
A
B
B
B
B
B
A
A
B
B
B
B
A
A
A
B
B
B
A
A
A
B
B
A
A
A
B
A
A
B
B
B
B
A
A
A
B
B
B
A
A
A
A
B
B
A
A
A
A
B
A
A
A
A
Baffl e
Distance of restriction in mm
NO
OPEN
YES
51
YES
33
↓9
10
11
12
C
C
C
C
B
C
C
C
B
B
C
B
B
B
B
B
C
C
B
B
B
B
B
B
B
B
B
C
B
B
B
B
B
B
9
GB
4-3-09 8:07
4-3-09 8:07
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