Napoleon High Country NZ3000 Installation And Operating Instructions Manual page 32

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G. As soon as the doors are closed, you will observe a change in the
flame pattern. The flames will get smaller and lazier because less
oxygen is getting into the combustion chamber. The flames,
however, are more efficient. The flames will remain lazy but
become larger again as soon as the firebricks have been heated
thoroughly and the chimney becomes heated and provides a good
draft.
h. With the doors opened the fire is wastefully drawing heated room
air up the chimney, certainly not desirable. Always operate with
the doors fully closed once the medium sized logs have caught
fire.
You can now add larger pieces of wood and operate the fireplace
normally. Once the fireplace is entirely hot, it will burn very
efficiently with little smoke from the chimney. There will be a bed of
hot coals in the firebox so you can safely fill the firebox with wood to
the top of the andirons.
Can't get the fireplace operating? Use more kindling and paper.
Assuming the chimney and vent are sized correctly and there is
sufficient combustion air, the lack of sufficiently dry quantities of small
kindling is the problem. Thumb size is a good gauge for small kindling
diameter.
Can't get heat out of the fireplace? One of two things may have
happened. The fireplace door may have been closed prematurely and
the fireplace itself has not reached optimum temperature.
Re-open the door and/or draft control to
re-establish a brisk fire. The other problem may have been wet wood.
The typical symptom is sizzling wood and moisture being driven from
the wood.
NOtE: Fireplaces surrounded by solid rock or brick, will
experience a longer heat up period as those materials absorb
the heat being generated.
burning your fireplace with the doors open or ajar creates a fire hazard that may result in a house
W415-0711 / 10.03.08
and or chimney fire.
FIGURE 7.5g
OPERAtING WIth DOOR CLOSED
FIGURE 7.5h
OPERAtING WIth DOOR OPEN