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5.5.10
Each extension length extends the pipe by
approximately 1000 mm long up to a
maximum of two extensions.
Pipeline length can be established using
the instructions in section 5.5 for rear flue
outlets and section 5.7 for side flue outlets.
Extensions must be installed with the
widened end of the air intake pipe and the
tapered end of the flue pipe aimed towards
the exhaust terminal. Extensions must be
joined together with the standard terminal
pipe, and inserted in each other as far as
they can go.
If an extension must be shortened, this
must be done from the straight end, and
not from the widened or tapered end. To
m e a s u r e t h e
pipeline
properly
all
components must be assembled and total
length measured before cutting. The
straight end of the extension connects to
the boiler. The flue output pipe fits into the
boiler header until it stops. The air intake
pipe should be located approximately 2
mm. from the boiler header (Fig. 31).
When cutting both inner and outer ducts of
the extension, always ensure that the
reduced end (male) of the inner duct is
longer than the outer duct.
All joints must be sealed with the rubber
seals supplied.
It is important to put the centering spacer,
supplied with the unit, inside between the
two pipes, from the side opposite the
extension’s straight end.
NOTE: a suitable support bracket is availa-
ble from Ravenheat Manufacturing and
should be used to support flue length at
least every 1.8 metre preferably at each
joint this bracket should be secured to wall
and flue duct.
5.5.11
INLINE FLUE BEND
Measure the distance between the flue
bends or the flue/terminal assembly. The
measurements should be taken from the
outer edge of the flue and bend (Fig. 398).
IMPORTANT: inline flue bend - 1680 mm
must be deducted from overall length for
each 90” bend. Obtuse flue bend - 1680
mm must be deducted from overall length
for each 135” bend (Fig. 398).
5.6
COMPLETING BOILER INSTALLATION
5.6.1
Reassemble the outer casing (sect 5.4)
proceeding in this order
1) Fit the two sides.
2) Refit the instrument panel in reverse ord-
er as in sect. 5.4.4.
3) Refit the lower grating (sect. 5.4).
5.7
INSTALLING THE APPLIANCE FOR SIDE
FLUE OUTLET (Fig. 39)
5.7.1
-Attach the template to the wall with
adhesive tape, making sure that the
centre line is vertical and that the
distance from the centre line to the
n e a r e s t s i d e w a l l i s n o t l e s s t h a n
measurement in table 6.
-Mark the four boiler securing holes on
the wall and extend the axis of the flue
duct hole to the side wall ensuring it is
horizontal.
-Trace the centre of the flue duct hole
measure distance F (table 6). From the
corner of the wall (Fig. 38), measure the
distance Y between the centre of flue
duct hole to the corner. Detach the
template from wall.
-Use a dia. 10 mm. drill to make the 4
holes for securing the boiler. Insert the
plastic expansion plugs. Core drill a 105
mm dia. hole in the side wall for inserting
the flue duct.
TABLE 6
20
Summary of Contents for Flue Boiler
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