INSTALLATION NOTES
(a)
Location (Fig. 15)
Modern balanced flue boilers are designed to
operate at low noise levels. However, when
positioning your boiler, it is not recommended to
have the terminal facing a neighbours property
or patio etc. It should also be positioned to avoid
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 diagram for
recommended terminal positions).
(b)
Flue Sealing
As the flue system operates under positive
pressure, it is essential to ensure that all flue
joints are made.
(c)
Fuel
Only Kerosene C2 to BS 2869 is permitted for
boilers using low level flue discharge.
(d)
Important
Trianco Flue Kits have been designed primarily
to use with Trianco boilers and as such
compatibility with other makes of boiler cannot
be guaranteed.
Balanced Flue Systems
(optional extra)
The Trianco balanced flue system offers much greater
flexibility for siting, the boiler compared with a
conventional chimney. The only requirement is for a
suitable outside wall to fit the horizontal discharge
terminal or.
In addition to the siting benefit, the performance of
balanced flue boilers is virtually unaffected by high wind
conditions since the wind pressures are applied equally
to both air intake and flue gas discharge, thus creating a
balanced condition.
Whereas some balanced flue boilers rely on case sealing
to achieve a room seal, Trianco boilers have a sealed air
duct system which maintains the room sealed
performance even when the casing door is removed for
burner commissioning or adjustments.
The use of the balanced flue principle also enhances the
overall thermal efficiency of the boiler since the incoming
air extracts waste heat from the flue and returns it as
pre-heated air to the burner where it aids combustion.
16
Note (1)
The terminal should be positioned so as to avoid
products of combustion entering the building.
Note (2)
If the terminal is less than 2 metres above the
ground level, balcony or place to which any
person has access, the terminal must be
protected by a guard.
Note (3)
Care should be taken when positioning the flue to
take into account the plume of condensed flue
gasses produced to ensure they do not cause a
nuisance.
RECOMMENDED MINIMUM DISTANCES
FOR TERMINAL POSITION
FIG. 13 TERMINAL POSITION
Appliance burner type - Pressure Jet
Minimum distances to terminals in millimetres as measured from top of chimney
or the rim of a low level discharge opening
A Directly below an opening, air brick, window etc
600
B Horizontally to an opening, air brick, window etc
600
C Below a gutter, eaves or balcony with protection
600
D Below a gutter or balcony without protection
600
E From vertical sanitary pipework
(*600)
300
F From an internal or external corner
(
*600)
300
G Above ground or balcony level
(
*600)
300
H From a surface or boundary facing the terminal
600
J From a terminal facing the terminal
1200
K Vertically from a terminal on the same wall
1500
L Horizontally from a terminal on the same wall
750
*Scotland 1990
C. D
B
A
E
G
K
F
F
L
H. J
H
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