Electric Wiring - baltur BT 40 DSG Manual De Instrucciones

CONDITION FOR A GOOD
INSTALLATION
Before making the installation check
that :
1) The chimney (cross section and
height) complies with the boiler
manufacturer's instructions and
local standards.
2) Where a refractory lining needs
to be made for the combustion
chamber (if the type of boiler
requires it) then it is necessary
to make it according to the
specific instructions of the boiler
manufacturer.
3) The electric power supply line
for the burner should be run
according to our diagram and
the electric connections to the
burner should match the voltage
of the electric power supply
line.

ELECTRIC WIRING

The electric connections to the
burner are minimal. It is advisable
to make all the connections with
flexible electric wire.
Electric lines should be at an
adequate distance from hot parts.
Make sure that the electric line to
which the unit will be connected,
has frequency and voltage suitable
for the burner. Make sure that the
main line, the relevant switch with
fuses (essential) and the current
limiter (if required) are capable of
withstanding the maximum current
absorbed by the burner. For details
refer to the specific electric diagrams
for every burner.
ENGLISH
) Fuel pipes should be made
according to our diagrams.
5) The nozzle (s) fitted on the
burner should be suitable for
the boiler capacity; replace
them with others, if necessary.
In no case shall the delivered
quantity of fuel exceed the
maximum amount required by
the boiler and the max. amount
permitted for the burner.
R e m e m b e r t h a t t h e p r e -
combustion head has been
designed for nozzles with a 45°
spray angle. There are only
special cases where nozzles can
be fitted with a different spray
angle; in these cases, however,
make sure that the nozzle with
a different spray angle will not
cause any problems (flame
separation, disk or combustion
head fouling, violent ignition,
etc.).
FUEL PIPE
The following description covers
merely the basic requirements for
an efficient operation.
The unit is equipped with a self-
suction pump, capable of sucking
oil directly from the tank also for the
first fill-up.
This statement holds only if the
required conditions exist (refer to
table of distances and difference
in levels). To ensure an efficient
operation, it is better to make suction
and return pipes with welded fittings
and to avoid the use of threaded
connections which often cause air
infiltration's interfering with the pump
operation and consequently with the
burner. Where a removable fitting
is required, use the welded flange
method inserting a fuel resistant
gasket to obtain a positive sealing.
For systems requiring pipes with
a relatively small diameter we
recommend the use of copper
pipes. For unavoidable joints we
recommend the use of biconic
fittings.
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6) When removing the protective
plastic cap from the nozzle
seat be careful because if the
sealing surface is indented (a
light scoring would be enough)
it will cause fuel dripping.
7) Make sure that the burner
combustion head enters the
combustion chamber according
to the boiler manufacturer's
instructions.
The annexed tables show the
indicative diagrams for the different
types of systems depending on the
position of the tank in respect to the
burner.
The suction pipe should run up-
slope towards the burner to avoid
possible formation of gas bubbles.
Where more burners are installed in
one boiler room, it is essential that
every burner has its own suction
pipe. Only return pipes can lead
to a single manifold pipe with an
adequate cross section leading to
the tank. Never connect the return
pipe directly to the suction pipe.
It is a good practice to properly
heat-insulate the suction and return
pipes to prevent cooling with would
otherwise affect the unit efficiency.
Pipe diameters (to be strictly
complied with are listed in the
following table.
The maximum amount of vacuum
that the pump can withstand
noiselessly under normal operating
conditions is 5 cm.Hg. ; if these limit
is exceeded normal pump operation
will no longer be guaranteed.
Maximum suction and return
pressure = 1 bar.