Bosch Worcester Greenstar 8000 Series - Flue Options

Pre-Installation
17
Greenstar 8000 Style – 6720883855 (2019/01)
Vertical maximum flue lengths
Table 10 Maximum flue lengths - Vertical flues
Flue system bends
NOTICE:
Effective flue lengths of bends:
Each bend used has an equivalent straight flue length.
▶ Refer to the table below.
Table 11 Effective length of bends
4.4.2 Flue options
The systems have diiferent maximum flue lengths, refer to the following
example flue options for those maximum flue lengths.
Horizontal high level flue assembly
Fig. 15 Horizontal flue option
• Flue length [L] (initial bend included in length calculation)
– 60/100 = 202 - 603mm
– 80/125 = N/A
Telescopic horizontal flue assembly
Fig. 16 Horizontal flue option
Telescopic horizontal flue assembly [A]
• Flue length [L] (adaptor bend included in length calculation)
– 60/100 = 180 - 570mm
– 80/125 = 405 - 600mm
Extended telescopic horizontal flue assembly [B]
• Flue length [L] (adaptor bend included in length calculation)
– 60/100 = 570 - 790mm
– 80/125 = N/A
Horizontal fixed length flue assembly
Fig. 17 Horizontal flue option
• Flue length [L] (adaptor bend included in length calculation)
– 60/100 = 330 - 1,050mm
– 80/125 = N/A
Extended horizontal flue
Fig. 18 Horizontal flue option
• Flue length [L] (adaptor bend included in length calculation)
– Maximum flue length as stated in "Horizontal maximum flue
lengths".
Horizontal flue with additional 90° elbow
Fig. 19 Horizontal flue option
• Flue length [L] (adaptor bend included in length calculation)
– Maximum flue length as stated in "Horizontal maximum flue
lengths" minus the 90° bend equivalent straight flue length as
stated in Table 11 "Effective length of bends".
Horizontal flue with additional 90° elbows
Fig. 20 Horizontal flue option
• Flue length [L] (adaptor bend included in length calculation)
– Maximum flue length as stated in "Horizontal maximum flue
lengths" minus 2 x 90° bends equivalent straight flue length as
stated in Table 11 "Effective length of bends".
Flue length [L] Flue length [L]
Output 60/100 80/125
35kW 14,000mm 29,000mm
30kW 21,000mm 25,000mm
Effective flue length
Bend 60/100 80/125
45° 0.5m 0.5m
90° 1.5m 1.5m
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383 mm - 603 mm
60/100 mm
130 mm Min
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[A] 350 mm - 570 mm
[B] 570 mm - 790 mm
60/100 mm
130 mm Min
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330 mm Min
1050 mm
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