20
Refer to table
1
for the cutting lengths of both the
PVC and the aluminium flue pipes for each of the
various flue options available.
Important. All cutting lengths must be measured
from the locking fitting end of the flue pipes, see
diagram 35
.
Extension kits
When the distance
X
measured on site is greater
than given in table 1, a flue extension kit will be
required, refer to
table 2
.
Assembly of extended flue
The flue extension kit, see
diagram 36
, comprises:
- PVC pipe .............................................................
A
- PVC connector ...................................................
B
- Aluminium pipe with fitted connector ............
C
- Triangular pipe support ......................................
D
- Two fixing screws .............................. (
not shown
)
Diagram 35
Cutting length
PVC pipe
Aluminium pipe
Cutting length
Locking fitting end
Diagram 36
A
B
D
C
REAR OUTLET FLUE ASSEMBLY
Fixing screws
Connector
Aluminium
extension
pipe
Flue option
Dimension "X"
N
°
of
extension kits
Side flue
797 to 1527 mm
1
(left)
1527 to 2257 mm
2
Side flue
739 to 1469 mm
1
(right)
1469 to 2199 mm
2
Table 2
Important :
all cutting lengths should be measu-
red from the locking fitting end of the pipe.
Check before cutting. If the distance between the
end of either of the cut pipes or the pipe connec-
tor will be 30 mm or less, refer to
diagram 39
, it will
be necessary to reduce the length of both the PVC
and aluminium extension pipes, and those sup-
plied with the boiler, to achieve the required ove-
rall cutting length for the extended flue pipes.
Note :
if the length of any aluminium pipes other
than the final extension pipes have to be redu-
ced in this way, it will be necessary to drill two fixing
holes in these pipes to match the fixing holes in
the aluminium connector.
The PVC connector is used to connect the PVC
extension pipe to the PVC pipe supplied with the
boiler or to another extension pipe, if more than
one is used. It is a secure push fit onto the pipe
ends, no adhesive is required.
The connector fitted to the aluminium extension
pipe is fitted to the next extension pipe, if more
than one is used. The two screws provided must
be used to fasten the two pieces together once
assembled, using the pre-drilled holes in both the
connector and pipe end, see
diagram 37
.
The triangular pipe support should be slid onto the
aluminium pipe before final assembly and positio-
ned near the pipe joint to support and locate the
inner pipe correctly within the outer PVC pipe.
Cutting lengths for extended flues
Using the correct number of the extension kits, as
table 2
, assemble both the extended PVC and
aluminium pipes by adding the extension pieces
to the flue pipes supplied with the boiler. Do not
fasten the aluminium pipes together at this stage.
Mark and cut both extended flue pipes, referring
to
diagram 38
, using the cutting lengths given in
table 1
.
Table 1
Cutting length (mm)
Flue option
PVC
aluminium
Comments
outer pipe
inner pipe
Back outlet
e + 70
e + 195
maximum
Rear flue
wall thickness "e"
without
extension 511 mm
Back outlet
e + a + 35
e + a + 155
maximum
Side flue to left
distance "X"
(diagram 5)
without
extension 797 mm
Back outlet
e + a + 90
e + a + 215
maximum
Side flue to right
distance "X"
(diagram 6)
without
extension 739 mm
V
en 083
V
en 084
V
en 085
Aluminium
flue pipe
Diagram 37
