Fan Operation; Building Different Fires For Different Needs - Osburn Matrix Inbuilt Installation And Operation Manual

Osburn Matrix Inbuilt Installation and Operation Manual
4.5 FAN OPERATION
Allow the wood inbuilt to reach operating temperature (approximately one hour), before turning
on the fan, since increased airflow from the fan will remove heat and affect the start‐up
combustion efficiency.
The wood inbuilt's fan assembly is equipped with a heat sensor. Therefore, you can leave the
switch in the automatic position (3). The fan will start automatically when the wood inbuilt is hot
enough and it will stop when the wood inbuilt has cooled down. You can also set the switch to the
manual position (1) to operate the fan at any time. Select the position (2) to manually stop the fan.
NOTE: ENSURE THE FAN CORD IS NOT IN CONTACT WITH ANY SURFACE OF THE WOOD INBUILT
TO PREVENT ELECTRICAL SHOCK OR FIRE DAMAGE. DO NOT RUN CORD BENEATH THE WOOD
INBUILT.
4.5.1 BUILDING DIFFERENT FIRES FOR DIFFERENT NEEDS
Using the air control is not the only way to match the wood inbuilt's heat output to the heat
demand. Your house will need far less heat in April than in July to be kept at a comfortable
temperature. If you fill the firebox full in fall weather, you will either overheat the space or turn
the wood inbuilt down so much that the fire will be smoky and inefficient. Here are some
suggestions for building fires to match different heat demand.
4.5.1.1 Small Fires to Take the Chill Off the House
To build a small fire that will produce a low heat output, use small pieces of firewood and load
them crisscross in the firebox. The pieces should be only 75 mm to 100 mm in diameter. After
raking the coals, you can lay two pieces parallel to each other corner to corner in the firebox and
lay two more across them in the other direction. Open the air control fully and only reduce the air
after the wood is fully flaming. This kind of fire is good for mild weather when you are around to
tend the wood inbuilt and should provide enough heat for four hours or more. Small fires like this
are a good time to use softer wood species so there will be less chance of overheating the house.
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