Ash Removal; Raking Charcoal; Firing Each New Load Hot - Osburn Stratford CFOB04006 Operating & Installation Instructions Manual

Zero clearance wood inbuilt
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When you burn in cycles, you rarely need to open the zero clearance wood inbuilt's loading door while the
wood is flaming. This is an advantage because there is more chance that smoke will leak from the zero
clearance wood inbuilt when the door is opened as a full fire is burning.
IF YOU MUST OPEN THE DOOR WHILE THE FUEL IS FLAMING, OPEN THE AIR CONTROL FULLY FOR A FEW
MINUTES, THEN UNLATCH AND OPEN THE DOOR SLOWLY.

4.3.2 Ash Removal

Ash should be removed from the firebox every two or three days of full time heating. Do not let the ash
build up in the firebox because it will interfere with proper fire management. Ash should be cleared or
removed when build up reaches the level of the door opening.
The best time to remove ash is after an overnight fire when the zero clearance wood inbuilt is relatively
cool, but there is still some flue system draft to draw the ash dust into the zero clearance wood inbuilt and
prevent it from coming into the room.
After ashes have been removed from the zero clearance wood inbuilt and placed in a tightly covered metal
container, they should be taken outside immediately. The closed container of ashes should be placed on a
non-combustible floor or on the ground well away from all combustible materials pending final disposal.
Ashes normally contain some live charcoal that can stay hot for several days. If the ashes are disposed of by
burial in soil or otherwise locally dispersed, they should be retained in the closed container until all cinders
have thoroughly cooled. Other waste should not be placed in this container.
NEVER STORE ASHES INDOORS OR IN A NON-METALIC CONTAINER OR ON A WOODEN DECK.

4.3.3 Raking Charcoal

Rekindle the fire when you notice that the room temperature has fallen. You will find most of the remaining
charcoal at the back of the firebox, furthest from the door. Rake these coals towards the door before
loading. There are two reasons for this raking of the coals. First, it concentrates them near where most of
the combustion air enters the firebox and where they can ignite the new load quickly, and second, the
charcoal will not be smothered by the new load of wood. If you were to simply spread the charcoal out, the
new load will smoulder for a long time before igniting.
Remove ash first, and then rake charcoal towards the front of the firebox before loading so that it will ignite
the new load.

4.3.4 Firing Each New Load Hot

Place the new load of wood on and behind the charcoal, and not too close to the glass. Close the door and
open the air control fully. Leave the air control fully open until the firebox is full of flames, the wood has
charred to black and its edges are glowing red. Firing each load of wood hot accomplishes a few things:
drives the surface moisture from the wood,
creates a layer of char on the wood, which slows down its release of smoke,
OPERATING & INSTALLATION INSTRUCTIONS FOR STRATFORD CF ZERO CLEARANCE WOOD HEATER
15

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