Combustion Air Slide Valve; Regulation Of Combustion Air; Fire Grate - Olsberg Merapi Instructions

Combustion air slide valve

● Operating lever on „0":
all slide valves closed
● Operating lever on „I":
Secondary air slide valve completely open /
Primary air slide valve completely closed
● Operating lever on „II":
Secondary air slide valve completely open /
Primary air slide valve completely open

Regulation of combustion air

Position of operating lever:
„II" ..Ignition position, max. heat output
„I" ...Nominal heat output with billet wood
„I" ...Nominal heat output with wood briquettes
„I" - „II"..Nominal heat output with lignite briquettes
„0" ..Obtain glow
● As the secondary air also contributes to the cleanli-
ness of the glass pane, the operating lever should be
set on "I" minimum. This also applies in the event of
low-load operation.
● When not operating the lever should be set on "0", to
reduce the cooling down of the room.
Operating lever for
combustion air supply

Fire grate

Operating lever for the fire grate
● With the help of the operating lever the fire grate can
be opened or closed to move the ash from the com-
bustion chamber to the ash pan by pushing the fire
grate back and forth.
● Primary air can only enter the combustion chamber
if the fire grate is set on open position.
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