Operation; Before You Start Firing; Lighting & Loading Intervals - Morso 5660 B Standard Installation And Operating Instructions Manual

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2.0 Operation

2.1 Before you start firing

For Use with Solid Wood Fuel Only. Use of inappropriate fuel can result in the release of toxic
fumes. Do Not Overfire, If Heater or Chimney Connector Glows You Are Overfiring. Inspect
and Clean Chimney Frequently. Under Certain Conditions of creosote buildup may occur. To
reduce the risk of smoke and flame spillage, operate only with door fully closed.
Hot while in operation. Keep children, clothing and furniture away. Contact may cause
skin burns.
CAUTION
Never use gasoline, gasoline-type lantern fuel, kerosene, charcoal lighter fluid or similar
liquids to start or 'freshen up' a fire in this heater. Keep all such liquids away from the
heater while it is in use.
Choosing your fuel
All types of natural wood can be burned on your stove, but they must be well-seasoned and
dry. Once the wood is cut to length, it should be split down middle - to suit the dimensions
given below - to allow moisture to evaporate.
Cut the wood to a length of approx.10-11 inches (27 cm) and approx. 3 to 3.5 inches (7-8 cm)
in section. If you can weigh your wood, aim for around 1,5-2 lbs/piece. For correct combus-
tion and heat output, wood fuel should contain no more than 20% moisture; this can easily
be checked by using the Morsø Moisture Meter (part # 62929900).
To naturally season wood fuel, stack and store it under cover in an airy location where fresh air
can move through each piece. Some soft woods may take as little as one good summer to sea-
son whereas harder woods such as oak, maple, and elm may require seasoning up to 18 months.
Avoid overly dry wood that is gray in color as under certain conditions it can cause performance
problems, such as back-puffing and sluggishness. Well seasoned wood will be light to hold and
will show signs of cracking from the center-out in the ends. If your wood spits or sizzles when
burnt, and your stove's door glass persistently mists up, your wood is not properly seasoned.
Never use drift wood (from the sea), whose salt content may cause corrosion, nor construction
wood that may have been impregnated with chemicals.
CAUTION
Do not useunseasoned wood, treated wood, colored paper, cardboard, solvents, trash
and garbage as fuel
Starting the first fire
The initial fire should be small, so that the stove paint can cure and the main plates of the
stove can settle into position. Some fumes will be given off by the paint. Ventilate the room
during this phase.
The setting of the air control lever, lighting techniques and loading intervals will depend on
chimney draft, the fuel used, the heat required and so on. Some basic techniques are outlined
below.
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In principle
Your stove has three air supplies:
Primary air is controlled by the air controller beneath the door. The air from here passes
through internal channels and eventually washes at high speed down the back face of the
door glass. This super-heated air helps with the combustion of volatile gases produced by
the fire.
Secondary air is supplied to the top of the fire through holes in the tubes under the lower
baffle. This effectively burns off other residual gases, making for very clean emissions. This
air supply is constant and cannot be varied.
Pilot air is supplied to the firebed through a hole placed behind the front grate. This air will
activate the embers. This air supply is factory set and cannot be varied.
2.2 Lighting and loading intervals
When first lighting the stove, a large volume of air is needed. When the stove is cold, you
should leave the door open an inch or two for the first few minutes and open the primary air
supply completely. While the door is open, do not leave the stove unattended.
To establish a reasonable bed of ash on the firebox floor, you should use 5-6 inches thick-
ness (4-6 pound) of dry kindling at the initial lighting. Always maintain a 1-1,5 inch (2-3 cm)
layer of ash on the floor of the combustion chamber at all other times.
IMPORTANT
For proper combustion and to avoid blocking the airflow, always keep the fuel
load below the back stone and the stainless-steel air baffle box. The space in front
and above the air baffle nozzles is reserved for volatile gas combustion only. See the
below picture:
Back stone
1. We recommend using the "top-down" method to light
your wood-burning stove. It is the most environmentally-
friendly method of lighting. Use two firelighters and ap-
prox. 4-6 lbs of dry kindling sticks to quickly create a glow-
ing layer of wood. Place the firelighters directly under the
top layer of kindling sticks.This minimizes soot formation
on the glass. Soot formation on the glass is often caused
by too vigorous burning in contact with cold surfaces. If
you avoid the formation of soot when lighting the fire and
build up a layer of hot embers, you will have minimal soot
formation when getting the fire burning again later.
2. The air supply must be fully open. Move the air
controller handle beneath the door completely to
the right to fully open the primary air supply
The air controller can be moved sideways. Moved all to the
left is the manufacturer-set minimum low burn
rate.
Stainless steel air
baffle box
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