Ravenheat CSI 85, Installation And Servicing Instructions, Page: 18 / 55

5.5.2 Locate the rubber 0 60 into the flue elbow
header (Fig. 30).
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, the flue
terminal 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 + 152 mm.
Must be de-burred.
- Cut the inner flue duct (60 mm) at right
angles to a length equal to W + 264 mm.
Insert from cut end. Reassemble the two
tubes. Insert centering spring 65.
Must be de-burred.
- Reassemble together inner and outer
flue duct insert centering spring.
INTAKE AND EXHAUSTTERMINAL COMPONENTS
KEY
56 - Straight header
57 - Elbow header
58 - Header gasket
59 - Rubber seal 0 60
60 - STD air intake duct
61 - STD flue exhaust duct
62 -Terminal
63 -Air intake duct extension
64 - Flue exhaust duct extension
65 - Pipe centering spring
66 - Sample point
127 - Terminal cover plate
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