9
CONSTRUCTION & FUNCTION
13
16
11
12
9
12
7
8
1
14
6
15
3
2
Boiler Construction
Legend:
1.) Combustion chamber
2.) Heat exchanger
3.) Pellet silo
4.) Pellet screw
5.) Gear motor
6.) Heat exchanger top
7.) Air supply
8.) Combustion Fan
9.) Burner-door
10.) Flue connection
11.) Flue exhaust probe
12.) Boiler-controller
13.) Exhaust/flue pipe
14.) Ash drawer
15.) Heat exchanger cleaning system
16.) Ignition system
Function
The pellets are conveyed from the silo (3) to the burn-
er (1) via the pellet screw (4).
The ignition system (16) automatically ignites the pel-
lets during start-up or after an operating pause.
The fan (8) supplies the burner with primary and sec-
ondary air.
The air ducts in the combustion chamber supply the
correct amount of air for primary and secondary com-
bustion .
See page 19 for operational phases.
