Worcester GREENSTAR 25CDi GC Instruction Manual page 27

FLUE INSTALLATION
MEASURING THE FLUE (Extension Flue Kits):
ONLY CUT EXTENDED FLUE LENGTHS
QI
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~ As
with the Standard Rue measure from the
outside wall to the centre line of the flue tur ­
t
ret (length L).
~
Subtract the usable length of the standard
Clamp
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
sion from the figure.
~
Cut one of the extensions to the remainder.
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Cut both tubes square taking care not to distort
the tubes.
~
Remove any burrs.
2380mm
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EXAMPLE:
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Length L 2380mm
Subtract Standard Flue -634mm [ip
Subtract Turret -52mm
gJ
CJ
~
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Subtract Full Extension -96Qmm
,
Cut Length 734mm
it
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t
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t
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t
52mm 960mm 734mm 634mm
Turret Extension Cut Length Standard Rue
Required Length ...
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NOTE: Where extensions are reduced, cut
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length which DQES NOT contain the seal,
Seal
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94mm
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94mm
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ADDITION OF FLUE BENDS:
When flue bends are being used an allowance
of 94 mm per bend must be allowed from the
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6 72Q611 021.Q5.10
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,
~WORCESTER
INSTAUATION
&
SERVICING INSTRUCTIONS FOR WORCESTER EIOSCH GREENSTAR 25COil3OCDiI37C0i/42CDl
FLUE INSTALLATION
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1 S 700. (2006111)
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