Bosch Worcester Greenstar CDi Conventional Series Instruction Manual page 24

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52 mm 960 mm 734mm 634mm
Turret Extension Cut Length Standard Flue
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Required Length
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Seal
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94 mm
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94 mm
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FLUE
INSTALLATION
MEASURING THE FLUE (Extension Flue Kits):
ONLY CUT EXTENDED FLUE LENGTHS
~
As with the Standard Flue measure from the
outside wall to the centre line of the flue tur-
ret (length L).
~
Subtract the usable length of the standard
flue (634 mm) from length L.
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Subtract the usable length of the turret
(52 mm) from length L.
~
Subtract 960 mm for each full length exten-
sian from the figure.
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Cut one of the extensions to the remainder.
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Cut both tubes square taking care not to distort
the tubes.
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Remove any burrs.
EXAMPLE:
Length L 2380 mm
Subtract Standard Flue -634 mm
Subtract Turret -52mm
Subtract Full Extension
-960 mm
Cut Length 734mm
NOTE: Where extensions are reduced, cut
length which DOES NOT contain the seal.
ADDITION OF FLUE BENDS:
When flue bends are being used an allowance
of 94 mm per bend must be allowed from the
centre line of the bend. In the example shown
using a flue extension (960 mm) with 2 bends
will achieve a total length of 1148 mm.
FLUE INSTALLATION
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 30CDI/40CDI Coc,ectlocal
~ORCESTER
6 720 614 556a (2007/07)
Bosch Group