36000 Kraljevo, Živojina Lazića
- Solunca br.6, Srbija
tel. +381 36 399 140, fax. +381 36 399 150, http://www.radijator.rs
e-mail: [email protected]
87
initiation of mechanism for pellet can be achieved only at the stage when on the display it
says 'OFF'. Then press the command button 2, which in its lower part has a symbol of the
screw conveyor, and the mechanism starts up. As long as we are holding the button
pressed the mechanism is in operation. When we release the button the mechanism stops.
Loading the pellet into the chamber , by the-so-called manual command is to be
performed a little lower, up to the starting position of the parts of grey cast iron, as
shown in figure18.
Figure 18. Level display pellets
Now that we have the pellets in the combustion chamber and when they are in the
zone of the heater for initiation of fire , we can start the operation of the boiler. Start is
performed by pressing and holding the command button 4 for more than 3 seconds.On
the lower part of this button there is the displayed symbol for the loose material or
pellets. At a time when the boiler goes on the with the start of ignition, on the display
there is the mark
–
written as Chc, for the few seconds only the fan is working During
this phase of the automatic system checks whether all devices necessary for the
operation are actually connected. The next step is when the display says Acc. This is
the mark for the phase Ignition. In the stage ignition, at one time, it should be expected
that the system for transportation should be switched and the level of pellets in the
chamber should be re-filled. It is ideal, after this re-filling, the pellet should be located
up to the beginning of grey cast iron parts. The boiler is in the ignition phase until the
flue gases exceed the temperature that is pre-determined by parameter F18. According
to the factory settings, the temperature is 50. First the smoke appears and during the
period from 7 to 10 minutes the flame is starting
.
When the flue gases exceed the limit temperature of the ignition on the display there
appears the mark Stb. This means that the boiler flame is in the phase of stabilization, i.e.
now the automatic system is measuring whether the flue gases have enough increase for
certain time. The fan is working according to the parameter for the stabilization phase,
and there is a supplement feed of the pellet in the firing chamber, also in accordance with
the parameters of the screw conveyor in the stage stabilization. When this factor is
satisfied the boiler goes into operating mode.
