10 VEDEX 3300
For the Installer
Pipe installation
Connection
The pipe installation must be carried out in accordance
with current norms. Internal support bushes should be fit-
ted when a steel pipe or annealed copper pipe is used.
The overflow pipe from any of the safety valves must be
routed to a floor drain to prevent hot water splashes when
checking the valves or when bleeding the boiler. The outlet
of the overflow pipe must be visible.
If the heating installation has an open expansion tank, the
distance between the highest radiator and the expansion
tank must not be less than 2.5 m.
The pipe work must be flushed before the
boiler is connected, so that any contami-
nants do not damage the component parts.
NOTE!
Flue gas thermometer
VEDEX 3300 is supplied with an enclosed flue gas ther-
mometer which must be installed in the flue gas door
outlet.
Filling
Fill the boiler with water using a fixed filler line to one of
the expansion connections or a hose in the draining valve.
If filling via the radiator circuit, the
shunt valve must be in a central position.
Otherwise there is a risk of cracking one of
the radiators.
WARNING!
Draining
The draining valve is installed next to connection (84).
Drain by connecting a hose to the draining valve.
Cooling coil
VEDEX 3300 is supplied with cooling coil (22) for connec-
tion to a temperature limiting valve. Refer to the manufac-
turer’s instructions when installing.
Environmentally friendly approved
To meet the environmentally approved requirements dur-
ing wood firing an accumulator tank of at least 1000 litres
must be installed with the boiler.
Pipe installation
Min 2.5 m
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