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L
(mm)
8,000
7,000
6,000
5,000
4,000
3,000
2,000
1,000
0
0
500
1,500
Fig. 36 Effective flue lengths versus plume management lengths
[L]
Effective flue length
[M]
Plume management length allowed
Appliance
1
Greenstar 27CDi
2
Greenstar Si, i Junior, i System & Ri
3
BG430/i, Greenstar 30CDi Regular, System, 29CDi ErP, 30CDi
Regular ErP & 30CDi System ErP
4
Greenstar 30CDi, 34CDi Erp & 35CDi System ErP
5
BG532/i
6
BG537/i & Greenstar 37CDi
7
BG542/i Greenstar 42CDi, 40CDi Regular, 40CDi Regular ErP,
38CDi ErP & 42CDi ErP
Table 6 Appliances effective flue lengths versus plume management
lengths
5.3.1
Plume management length
Plume management length (M) is calculated from the centre of the
terminal, along the required route to the centre of the plume outlet.
Greenstar Condensfit II – 6 721 819 755 (2019/12)
Max M 4,500mm
2,500
3,500
4,500
M (mm)
0010013693-001
1
2
3
4
5
6
7
Fig. 37 Plume management length M
Minimum plume extension length
The minimum extension length between two elbows/offsets is 140mm,
this allows for a good seal at the connection joints,
Also remember when fitting the extension tube into elbows/extension
fully into the outlet assembly [2], then withdraw the tube approximately
10mm to allow for expansion
Fig. 38
5.3.2
Plume management elbows
Adding additional elbows to the standard plume management kit system
reduces the actual plume management length. Each elbow has an
equivalent straight length and must be factored into the overall effective
length.
• 90° elbow is equivalent to 1,500mm.
• 45° elbow is equivalent to 750mm.
Plume management system
0010031826-001
0010013714-001
15
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