PRE-INSTALLATION
6 720 804 532 (2012/09)16
Fig. 21 Plumbing manifold
3.8 FLUE OPTIONS
FLUE LENGTHS
The flue systems have different maximum flue lengths
The Greenstar series has the option of two horizontal 60/100 RSF
(telescopic and longer telescopic) and one horizontal 80/125 RSF
(telescopic) flue system and two vertical RSF (60/100 or 80/125) flue
systems:
The next page shows various fluing options.
Refer to the Flue options in table 15 for the straight flue lengths required
to achieve the maximum flue length.
# Function
From left
case edge
Diameter of
pipe
1CH Flow 70 mm 22 mm
2Gas 200 mm 22 mm
3CH Return 330 mm 22 mm
4Condensate 35 mm 22 mm
5 Pressure Relief Valve 367 mm 15 mm
Table 14 Key to figures 20 & 21
CAUTION: Non accessible flue systems:
▶ Where a flue system is not going to be accessible,
provision must be made for service and inspection.
▶ Voids containing concealed flues must have at least
one inspection hatch no less than 300mm square.
▶ Flue joints within the void must not be more than 1.5
metres from the edge of the inspection hatch.
▶ Inspection hatches should be located at changes of
direction.
▶ If this is not possible, bends should be viewable from
both directions.
NOTICE: Effective flue lengths:
▶ each 90° bend used is equivalent to
2 metres of straight flue
▶ each 45° bend used is equivalent to
1 metre of straight flue
Plume management kits are available for the 60/100
horizontal flue system.
Refer to the manual supplied with the plume
management kits for complete installation instructions
i System boilers
Maximum total
flue length (mm)
FLUE TYPE 60/
100
80/125
1 Telescopic horizontal flue assembly 570 1,070
Longer telescopic horizontal flue assembly 790 N/A
2 Horizontal flue extension 4,600 13,000
3 Horizontal flue with 1 x 90° bend 2,600 11,000
4 Horizontal flue with 2 x 90° bends N/A 9,000
5 High level horizontal flue 4,600 13,000
6 High level horizontal flue with 2 x 90° bends 2,600 11,000
7 High level horizontal flue with 3 x 90° bends N/A 9,000
8 Vertical balanced flue assembly 6,400 15,000
9 Vertical balanced flue with 2 x 90° bends 2,400 11,000
10 Vertical balanced flue with 2 x 45° bends 4,400 13,000
Table 15 Flue options
Part number Flue Description
7 716 191 082 60/100 Telescopic horizontal flue assembly
7 716 191 171 60/100 Longer telescopic horizontal flue
assembly
7 719 003 702 80/125 Telescopic horizontal flue assembly
7 719 002 430 60/100 Vertical flue assembly
7 719 002 431 80/125 Vertical flue assembly
Table 16 Flue option part numbers
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