Rotate motoreducer and screw in anti-clockwise direction;
Place the motoreducer in right position and install it;
Place the gear wheel on screw feeder shaft and fix with the screw.
If the cause of jamming was not removed or motor preventive tripping is repeated:
Put out and disconnect the boiler from power supply;
Remove pellet from dispenser;
Remove the screw coupling gear wheel driving the valve and screw;
Remove the gear wheel from screw shaft;
Remove four bolts fixing motoreducer to fuel supply pipe flange;
Remove the screw along with motoreducer out of fuel supply pipe;
Remove from the fuel supply pipe the object causing jamming of screw, and clean carefully
fuel supply system;
Slide the screw along with motoreducer into fuel supply pipe;
Place the motoreducer in right position and install it;
Place the gear wheel on screw shaft and fix with the bolt.
Smart Fire COMPACT boilers are provided with two motoreducers installed in fuel supply system:
one driving the valve and the second driving the screw inside the pellet dispenser. Each one is
provided with thermistor that protects against loading resulted from jamming. To remove the cause
of motoreducer jamming:
Put out and disconnect the boiler from power supply;
Rotate manually motoreducer by 90º in clockwise direction.
Boiler tightness shall be ensures always. In case of any leakage, repairs shall be provided
immediately. It applies in particular to access door of burner chamber and ash pan, as well as
washout holes.
8.6 Boiler putting out
To put boiler out you need to go to the respective mode. This mode is performed automatically in
manner that ensures safety, combustion of all left pellet with required ventilation. Therefore do not
disconnect the device from power supply until automatic putting out is completed.
In case of boiler downtime longer than a week, remove any ash and pellet, clean the boiler and
ensure required ventilation. Failure to follow above instructions may result in corrosion!
SMART FIRE BOILER User Manual
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