Boiler parts 1. Bigger front door (allows access to clean the burner) 2. Smaller front door (allows access
to clean the part below the heat exchanger, see combustion chamber figure below!) 3. External sliding door
4. Control panel 5. Pellet storage opening for refill (when there is no pellets, refill here!) 6. Pellet storage,
bigger unit 7. Bridge from bigger to smaller pellet unit 8. Protection grid 9. Flow line 10. Return line 11.
Pellet storage, smaller unit fed from the bigger unit 12. Safety thermostat (back-fire prevention) 13. Technical
opening to access the motor or the fill/drain tap 14. Pressure sensor (when the door is open boiler will stop
feeding automatically) 15. Internal feeding screw motor 16. Fill/Drain tap (dont forget to close this connection
once filling is completed) 17. Resistance heater (necessary for boiler start-up) 18. Protection plate
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