Worcester GR4700iW C Installation And Maintenance Instructions

Pre-Installation
Greenstar 4000 – 6 720 891 161 (2020/09)
20
Telescopic horizontal flue assembly
Fig. 15 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. 16 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. 17 Horizontal flue option
• Flue length [L] (adaptor bend included in length calculation)
– Maximum flue length as stated in "Maximum horizontal flue
lengths".
Horizontal flue with additional 90° elbow
Fig. 18 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. 19 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. 20 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. 21 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".
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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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Worcester GR4700iW C Specifications

General

Brand	Worcester
Model	GR4700iW C
Category	Boiler
Language	English