PV20a / PV30a pellet burner
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DK9902A1 www.pelltech.eu
Photo 2 Ash of low quality pellets
7.
Place grate back to burning chamber. Grate has to be in right position and its stopper has to be inside
the burning chamber. See Figure 14. The stopper has to hold grate surely in it place. Wrongly placed
grate changer air supply and reduces efficiency of burning. Only air needed for burning has to get
under the grate. The grate of PV20 has not be replaced with grate of PV30.
8.
To finish the cleaning close boilers door and turn thermostat to wished temperature.
The boiler has to be cleaned from collected ash and burning residues. Manufacturer of pellet burners
don’t prescribe time period of cleanings.
BOILER HAS TO BE CLEANED FROM ASH AND NON-BURNING RESUDUES BEFORE THEY GET TOUCHED
WITH BURNERS BURNING CHAMBER. The ash and non-burning residues are perfect heat insulators. If
burning chamber is surrounded with ash and non-burning residues so its normal ventilation is
distracted. It causes fast overheating and out-burning or deformation of the burning chamber.
WARNING! DEFORMATION AND OUT-BURNING OF BURNING CHAMBER CAUSED BY NOT-IN- TIME
MADE CLEANING IS NOT MANUFACTURERS DEFECT AND IS NOT WARRANTY OBJECT.
Notice!
From time to time the pellets container has to be cleaned from saw dust collected. If there is too
much saw dust collected, the external auger can’t reach pellets and NO PELLETS error message is
diasplayed.
Replacing components
4.8
It is recommended to turn to a specialist for replacing the components, except when replacing the
igniter.
Warning!
Remove the burner from power circuit before opening the burner’s case and replacing the
components.
Warning!
Follow always polarity when connecting battery. In case the battery is wrongly reconnected, it
will ruin the controller and it is dangerous to the person.
Warning!
Connect burner to mains only if first panel is rised up and fixated with screw. It is against
danger
caused by incorrect connecting battery polarity.
Warning!
Connect the burner to the power circuit only if the burner’s front case is in lift-up position and
attached with a screw. It is a safety measure against the danger in case the battery is connected in the
wrong direction.
Notice!
If you find that replacing components may turn out too complicated to you, it is recomended to
appeal to specialist.
The locations of burner’s replacement components are presented on Figure 19.
In order to clean burning chamber:
1.
Turn burner off by turning thermostat to zero
2.
Let boiler cool down at least one hour.
3.
Open boilrer’s door to reach the burning
chamber
4.
Remove grate and clean it properly. Be sure that
all holes are clean.
5.
Remove ash and residues.
6.
Clean boiler. Cleaning frequency of boiler
depends on its type and intensity of heating. See
more information of boilers cleaning from
manual.