16
6. FLUE DISCHARGE
To evacuate the products of combustion safely and
thoroughly, the boiler has a highly efficient integral flue
system and there is no need to fit the boiler to a separate
flue. See page 17 for flue fitting instructions.
INSTALLATION NOTES
a) Trianco H.E. boilers operate at high efficiencies
with low flue gas temperatures. The flue system
used on this boiler is suitable for low flue gas
temperatures and condensation.
b) Ensure that all the joints on the flue system are
adequately sealed, and that no condensation can
escape. It may be necessary to apply a thin bead of
silicone sealant or other lubricating substance
around the flue joints and ‘o’-ring seals before
assembling the flue.
c) Only 28 sec. Kerosene class C2 to BS 2869 is
permitted for boilers using low-level flue discharge.
d) Positioning of flues under balconies and carports is
to be avoided
e) Modern low-level flue boilers are designed to operate at
low noise levels. However, when positioning you boiler,
it is not recommended to have the terminal facing a
neighbour’s property or patio, etc.
f) The boiler should also be positions to avoid the products
of combustion entering the building. A distance of at
least 600mm must be allowed between the terminal and
any window, door or other opening into the building (see
fig. 14) for recommended terminal positions.
g) At certain times during operation, a plume of
condensation will be produced from the terminal. When
positioning the boiler, this should be taken into
consideration to ensure that it does not cause a
nuisance to neighbouring properties.
h) Keep the terminal clear of infra-red sensing devices,
such as those used to control security lighting.
i) The terminal must be protected by the guard supplied.
Directly below an opening, air brick, window, etc. 600mm
Horizontally to an opening, air brick, window, etc. 600mm
Below a gutter, eaves or balcony with protection 75mm
Below a gutter, eaves or balcony without protection 600mm
From vertical sanitary pipework 300mm*
From an internal or external corner 300mm*
Above ground or balcony level
300mm*
From a surface or boundary facing the terminal 600mm
From another terminal facing the terminal 1200mm
Vertically from another terminal 1500mm
Horizontally from another terminal 750mm
* Scotland 1990
TERMINAL POSITIONS
All distances in millimetres, as measured to the
termination point or rim of low-level discharge
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