Ravenheat RSF 82E, Installation And Servicing Instructions

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5.5.3 If the standard duct furnished with the boiler
is too long (the wall to. go through is less
than 680 mm. thick) it can be shortened as
follows:
- Remove the centering spring 65, turn the
flue terminal clockwise and push to
disengage inner flue duct.
- Measure the thickness W of the wall.
- Cut the outer flue duct at right angles to a
length equal to W + 98 mm.
Fig. 30
INTAKE AND EXHAUST TERMINAL COMPONENTS
Fig. 31
- Cut the inner flue duct (60 mm) at right
angles to a length equal to W + 201 mm.
Insert from cut end. Reassemble the two
tubes turn the flue terminal anti clockwise to
lock together. Insert centering spring 65.
Must be de-burred.
Fig. 32
KEY
56 - Straight header
57 - Elbow header
58 - Header gasket
59 - Rubber seal 0 60
60 - STD air intake duct
64 - Flue exhaust duct extension
61 - STD flue exhaust duct 65 - Pipe centering spring
62 -Terminal
127 - Terminal cover plate
63 -Air intake duct extension
128 - Screw
18