Room Sealed Fan Assisted Operation
Table 4
(mm)
Connection by vertical concentric ducts
Vertical flue connection can be designed by
60/100 mm or
80/125 mm concentric ducts.
The total length is
3 m
for
60/100 mm vertical air/flue system and
8 m
for
80/125 mm vertical
air/flue system. Furthermore, each extra 90
0
concentric elbow or two pieces of 45
0
concentric elbow
decreases the maximum length
1 m
(fig. 17).
- Vertical air/flue kit (
60/100) accessories (fig. 16):
a) Concentric vertical connector,
60/100 mm
b) 90
0
Concentric elbow,
60/100 mm
c) Concentric extension, L=500 mm,
60/100 mm
Concentric extension, L=1000 mm,
60/100 mm
d) Pitched roof flashing
e) Concentric vertical top,
60/100 mm
f) 45
0
Concentric elbow,
60/100 mm
fig. 16
17
c
Product
Elbow
L
max
(m)
restrictor
PRP 24 HM
0
1x90
4
42
2x90
0
3
42