Max. Diesel level is 4 metres above burner. Where this height is unavoidabl
exceeded, a pressure reducing valve should be fitted to the supply line.
DIESEL STORAGE TANK SITING
Consult OFTEC manuals, AS1691
or Central Heating New Zealand Tank Guide.
It is unlikely that a fire will start at an diesel tank.
However, the stored fuel must be protected from a fire
or heat source that originates nearby. If the tank is
installed closer than 1.8m to a building, the building
wall should not have openings other than ventilation
openings. A 30 minute fire rated barrier should be
constructed between the hazard and the tank, which
extends a minimum of 300mm higher and 300mm past
each end of the tank. Note that a minimum separation
distance should be maintained between a flue exit and
fire barrier (see page 21 (flue clearances).
Diesel storage tanks should not be sited within
1.8m of boiler flue outlets.
Do not allow household waste or hot ashes container
in vicinity of oil storage tank or boiler flue outlet.
FLEXIBLE OIL PIPE(S)
A flexible burner diesel hose is supplied with the boiler
which must be wholly contained with in the appliance
case.
The flexible diesel pipe supplied with the boiler is
suitable for diesel only. The oil pipe must be upgraded
to a bio-compatible Riello flexible oil pipe where a
bio-fuel mixture is used.
Please note: A filter must not be fitted inside the
boiler and all joints in the Diesel line must be Diesel
tight. Soldered joints are not permissible. Before
connecting to the boiler, always flush the complete
Diesel supply line and ensure that Diesel supply is
completely clean and free of any dirt or foreign
matter.
SINGLE PIPE SYSTEM
Where installation is such that the bottom of the tank is
located above the Diesel burner, a single pipe system
may be used. The Diesel burner should then be set for
single pipe operation (see also manufacturer's Diesel
burner manual).
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