Pre-Installation
Greenstar 4000 – 6 720 891 161 (2020/09)
22
4.4.3 Plume management system
The maximum flue length allowed for 0.5m of plume is 9m, each
additional 1m of plume reduces the flue length by 750mm, up to a
maximum of 4.5m of plume management with 6m of flue.
Fig. 28 Plume length to flue length graph
[1] Flue length [mm] (maximum 9,000mm with minimum 500mm
plume)
[2] Plume length [mm] (maximum plume length 4,500mm)
NOTICE
Plume management terminal:
▶ The plume management terminal must not be sited within 500mm of
the air intake, and must not exceed the maximum straight length for a
horizontal Ø 60/100mm flue with a 60mm plume management
system.
Horizontal plume management runs
▶ The initial horizontal run from the terminal elbow must have a
minimum 10° fall back, (stop tabs in the elbow prevent less than 10°)
to the appliance for proper disposal of condensate.
▶ Any further horizontal runs after an elbow can be 3°.
WARNING
Minimum plume management length:
The minimum distance of 500mm must be maintained between air inlet
and exhaust.
▶ Do not terminate the plume management inside the terminal
exclusion zone (shaded area) shown in figure 29.
Fig. 29 Terminal exclusion zone
NOTICE
Cutting the 500mm pipe
▶ The Plume management extension kit contains the components
required for such a configuration.
Plume management bends
NOTICE
Effective plume management lengths of bends:
Each bend used has an equivalent straight plume management length.
▶ Refer to the table 17.
Table 17 Effective length of bends
4.4.4 Flue terminal positions
CAUTION
Flue terminal positions
▶ All measurements are the minimum clearances required.
▶ Terminals must be positioned so to avoid combustion products
entering the building.
0010036485-001
[mm]
2
[mm]
1
0 2000 4000
6000
8000 10000
12000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
5000
Bend Effective plume managnement length
45° 0.75 metres
90° 1.5 metres
0010013548-003
±80°
5
00
m
m
5
00
mm
5
0
0
m
m
100mm
3°
≥140mm
X
≥
5
00
m
m
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