Diagram 10.16
12847
Diagram 10.17
13254
10 Standard Flue - Length, Preparation and Installation
10.10 Flue Fitting
IMPORTANT:-
The ue seals are sensitive to mineral oil based lubricants. Do
not grease the seals. If the seals do need to be lubricated
use only water.
During the installation of the ue system, ensure that debris
such as mortar, lings or swarf are cleared from the ue
system before completion.
Long lengths of ues must be secured to the walls or ceilings
they run against. Use at least one xing bracket for every ue
extension that is used.
After cutting inner ue tubes ensure that you de-burr and
chamfer the male tube end to prevent damage.
Inspect the ue pipes before tting and do not install damaged
or dented ue components.
When assembling the ue system, ensure that the inner
seals are not damaged, do not install a ue component with a
damaged seal.
When tting ue elbows ensure that they are tted at the
correct angle to avoid strain, this will ensure that the seal ts
correctly preventing leakage.
Remove the ue elbow.
Separate the ue duct from the terminal by twisting to release
the terminal catch, then pull out of the retaining seal, refer to
diagram 10.16.
The ue duct cutting length (L + 11mm.) is shown in diagram
10.16.
The air duct should be cut at the opposite end to the terminal
The plastic ue duct MUST be cut at the opposite end to the
terminal catch.
The plastic ue duct extensions MUST be cut at the opposite
end to seal.
Insert the ue duct into the air duct terminal assembly,
remembering to engage the catch within the terminal.
Fit the sealing collar behind the locating lugs on the ue
terminal, see diagram 10.17.
Push the ue assembly into the wall, externally or internally,
initially until the end of the assembly protrudes a short way
from the inside face of the wall. This will enable the internal
trim ring (if required) to be positioned and allow the ue
assembly to be drawn back into the ue elbow.
Secure the ue elbow in position on top of the boiler with four
torque headed screws supplied.
Draw the ue assembly from wall and engage the ue duct
into the elbow and butt t between the air duct and ue elbow.
Fit the securing collar into position.
Ensuring correct alignment of the ue, mark through two of
the pre drilled holes in the securing collar. Remove securing
collar and drill two 3mm diameter holes one in the elbow and
one in the air duct, take care not to pierce the inner ue duct.
Fit the securing collar and secure with screws provided, see
diagram 10.17.
Slide the internal trim ring back against the wall, securing in
place with a small amount of sealant if required.
NOTE: If the air and ue ducts have been correctly cut to the
instructions the sealing collar should t ush with the outside
wall.
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