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5.2.9
Vertical plume discharge above roof/overhang example
This type of installation is only used if it is not possible to terminate the
plume management kit in the normal manner.
▶ Ensure the discharge pipe is adequately supported as potentially the
majority of the discharge pipe extends past the roof/overhang.
▶ The discharge pipe must vertically clear the roof/overhang by a
minimum of 100mm.
▶ The discharge pipe must have a clearance of 300mm to a surface or
boundary line.
▶ If the supplied brackets are not long enough then third party 60mm
pipe brackets can be used.
2,000mm
1,000mm
52mm
104mm
≥300mm
≥300mm
100mm
≥140mm
≥140mm
Fig. 38 Vertical plume discharge above roof/overhang option
Greenstar Condensfit II – 6 720 874 391 (2019/04)
1
3
4
2
5
3
m m
0 0
≥ 3
5.3
Determine the plume management system length
The maximum permissible length of the plume management for
Worcester Greenstar wall mounted condensing gas appliances is
4,500mm. The primary length of internal Condensfit II flue will be
reduced by fitting the plume management kit.
Refer to relevant appliance Installation instructions to determine the
appropriate plume length (M) versus the flue length (L).
The flue length is the effective length (L), which includes the effective
length of any elbows plus the straight flue lengths.
Once the length L is know, find that value in the relevant appliance
Installation instruction to determine the maximum plume length (M)
allowed.
Fig. 39 Effective lengths determination
[L]
Effective flue length
[M]
Effective plume management length
Plume management system
0010013554-001
17
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