Combi 70 & Combi 90 Oil Boilers
30
Important notes:
a When engaging the flue assembly over the flue
elbow, take care not to dislodge the seal from
the recess in the flue pipe.
b The flue pipe and seal are pre lubricated. Soap
solutions must not be used.
c The elbow must be inserted to a minimum
depth of 60 mm past the flue seal.
d For Boiler House models the wall sleeve should
overhang the casing by 20 mm.
e When using the Short Kit on single leaf walls it
may be necessary to discard the inner wall sleeve
(painted) to obtain the minimum length available.
f The telescopic wall sleeves should overlap by a
minimum of 20 mm.
Manoeuvre the complete boiler and flue assembly
into position, passing the flue through the prepared
hole in the wall.
Note: Check that the baffles are in position and
that the cleaning cover is correctly fitted and a
good seal made.
9 Alternatively, the boiler can be manoeuvred into position
with just the flue elbow attached so that the flue elbow
is located through the prepared hole in the wall.
Holding the stainless steel section of the flue, pass
the flue assembly through the hole in the wall from
outside, carefully locating the flue pipe over the
flue elbow, until the wall sleeve is just inside the
boiler casing.
See Important notes in paragraph 8.
10 Important: The stainless steel flue terminal must
be located correctly to allow access to the terminal
fixing screws. Ensure that the marker on the outer
wall sleeve is aligned with the face of the outer
wall. See Fig. 26.
4 - BOILER INSTALLATION
11 Make good the hole in the wall and fit the terminal
dress plate using a suitable mastic sealant (not
supplied) to provide a weatherproof seal. See Fig. 27.
Fig. 26
Fig. 27
Ensure that the air blanking plate of the terminal
dress plate covers the air intake holes on the
underside of the flue terminal as shown in Fig. 27.
12 Fit the clip on the deflector plate to the face of the
terminal. Locate the lugs on the top edge of the
deflector into the upper holes on the front face of
the terminal, see Fig. 28. Carefully depress the
sides of the deflector and locate the side lugs into
the holes in the terminal as shown in Fig. 29.
Fig. 28
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