eta PE-K 35, Руководство по установке

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51 PE-K installation 35 to 90 kW
2012-02
Pellet store Filling nozzle, earthing, electricity
min. 60 cm
20 cm
Earthing against electrostatic charge
Connect the fi lling nozzles to the earthing of the
house's electrical system with a 6 mm² earthing
cable.
Electrical socket for pellet supplier's blower
For the pellet supplier's suction blower, a 230V
electrical socket (C-13A fuse) in the vicinity of the
fi lling nozzle is useful.
CAUTION! Switch off the boiler before injecting
pellets
The authorities or the chimney sweep often require
that this notice be posted visibly on the fi lling
nozzle's caps. Burn-back fl aps and sliders at the
boiler's combustion chamber are open during
operation, so during boiler operation, hot gases
can be sucked into the path of the pellets (due to
underpressure in the fuel deposit) or air can be
blown through the fuel path (due to overpressure
in the fuel deposit). Both effects can cause a fi re.
Strictly speaking, the boiler should already be
switched off two hours before fi lling the pellet store,
because the burn-back fl aps and sliders do not
always close completely. So there should be no more
fi re in the boiler when fi lling pellets.
Better than a caution notice is a rotary valve
Since we at ETA don't want to leave the burn-back
protection of our boilers to chance, we equip all
ETA pellet boilers with a rotary valve
so that
even during operation there is no open connection
between the combustion chamber and the pellet
store. Though it is
not required that an ETA pellet
boiler be switched off while fi lling the pellet
store
, you should do so anyway if the driver of the
delivery truck requests it.
Extension of the fi lling pipes
The ETA fi lling nozzles are made of steel,
108 x 3.2 mm, and can be extended with steel
pipe if needed. If the tank truck can approach close
to the fi lling nozzle so that its fi lling distance (30 m)
is not already exceeded outside the building, then
fi lling lines up to 20 m in length pose no problem.
Height differences of one fl oor, or even two for short
lines, can also be overcome without problems.
Extension with steel piping
• Only steel piping may be used for the filling
system. Do not use plastic piping (danger due to
electrostatic charge build-up).
• The filling system must be earthed against
electrostatic charges.
• The filling system must be smooth on the inside
throughout its length; do not use spiral ventilation
ducting.
• If lengths of pipe are welded, there must be no
welding seams or burrs inside; these could destroy
the pellets.
• If bends are used, their radius of curvature should
be at least five times the pipe's radius. As an
alternative, you can make 90° bends by using two
45° bends with a straight piece between them.
• The filling system should end in a bend. To ensure
that the pellets are blown out straight, a straight
length of pipe at least 50 cm long must come after
a bend.
Wooden boards
Door
Upper edge of tilted floor
Im
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Filling nozzle
20 cm below the ceiling and
directed horizontally into the room
If possible, the
door should
be near the
filling nozzle