Telescopic Horizontal Flue Assembly; Horizontal Flue Option; Horizontal Fixed Length Flue Assembly; Extended Horizontal Flue - Worcester Greenstar 4000 Installation And Maintenance Instructions Manual

Pre-Installation

Telescopic horizontal flue assembly

Fig. 17 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. 18 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. 19 Horizontal flue option
• Flue length [L] (adaptor bend included in length calculation)
– Maximum flue length as stated in "Maximum horizontal flue
lengths".
20
60/100 mm
[A] 350 mm - 570 mm
[B] 570 mm - 790 mm
130 mm Min
1050 mm
330 mm Min
Horizontal flue with additional 90° elbow
Fig. 20 Horizontal flue option
• Flue length [L] (adaptor bend included in length calculation)
– Maximum flue length as stated in "Maximum horizontal flue
lengths" minus the 90° bend equivalent straight flue length as
stated in Table 15 "Effective length of bends".
Horizontal flue with additional 90° elbows
Fig. 21 Horizontal flue option
• Flue length [L] (adaptor bend included in length calculation)
– Maximum flue length as stated in "Maximum horizontal flue
lengths" minus 2 x 90° bends equivalent straight flue length as
stated in Table 15 "Effective length of bends".
High level horizontal flue
Fig. 22 Horizontal flue option
• Flue length [L] (initial bend included in length calculation)
– Maximum flue length as stated in "Maximum horizontal flue
lengths".
High level horizontal flue with additional 90° elbow
Fig. 23 Horizontal flue option
• Flue length [L] (initial bend included in length calculation)
– Maximum flue length as stated in "Maximum horizontal flue
lengths" minus the 90° bend equivalent straight flue length as
stated in Table 15 "Effective length of bends".
Greenstar 4000 – 6 720 891 162 (2020/09)