Worcester Greenstar 21i System ErP Installation, Commissioning And Servicing Instructions

Pre-installation
Greenstar i System
ErP
- 6 720 806 945 (2015/07)24
4.9.1 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:
Refer to the following example Flue options for the maximum flue
lengths.
Horizontal high level flue assembly
Telescopic horizontal Flue assembly
Extended horizontal flue
Horizontal flue with additional elbow (1 x 90 ° bend)
Horizontal flue with additional elbows (2 x 90 ° bends)
High level horizontal flue
Flue length (mm)
60/100 80/125
Horizontal high level telescopic flue assembly 202 - 603 N/A
Table 16
Flue length (mm)
60/100 80/125
Telescopic horizontal flue assembly 180 - 570 405 - 600
Longer telescopic horizontal flue assembly 570 - 790 N/A
Table 17
Maximum flue length
(mm)
60/100 80/125
Extended horizontal flue 4,600 13,000
Table 18
6720806945-29.1Wo
383 mm - 603 mm
60/100 mm
130 mm Min
6720806945-18.1Wo
350 mm - 570 mm
60/100 mm
130 mm Min
6720806945-19.1Wo
Maximum flue length
(mm)
60/100 80/125
Horizontal flue with 1 x 90° bend 2,600 11,000
Table 19
Maximum flue length
(mm)
60/100 80/125
Horizontal flue with 2 x 90° bends N/A 9,000
Table 20
Maximum flue length
(mm)
60/100 80/125
High level horizontal flue 4,600 13,000
Table 21
6720806945-20.1Wo
6720806945-21.1Wo
6720806945-22.1Wo

Worcester Greenstar 21i System ErP Specifications

General

Brand	Worcester
Model	Greenstar 21i System ErP
Category	Boiler
Language	English