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clean glass operation. When loading wood add one
or two logs at a time depending on size. Loading
the appliance full of damp wood on a low fire, is
certain to cause low combustion efficiency re-
sulting in tar and dirty glass.
Note : always allow the stove to recover before clos-
ing for long burning.
3.5. THERMOSTAT SETTING
This operation must be carried out with the appliance
cold, with the thermostat knob set to minimum.
3.6 FUEL
Recommended solid fuels: hornbeam, beech wood,
oak wood, fruit tree wood, birch wood and smokeless
fuel designated to be suitable for use in a closed appli-
ance
Unsuitable solid fuels: fir wood, moist wood, chemi-
cally-treated wood, wood chips, wood pellets, Petrole-
um coke. Do not burn trash in your appliance. Do not
use wood washed ashore from the sea as fuel. The salt
contained in it will react in the combustion process
and release acid that will damage the iron and steel.
Your stove is approved for use with wood or anthracite
or smokeless coal only.
Do not burn particle board scraps or pressed logs using
bonding agents because they can produce conditions
which will deteriorate metal. Green or uncured wood
does not work well as fuel, and can cause increased
creosote build-ups. The value of green wood as a
source of heat is limited. Do not overload or use kin-
dling wood or mill ends as primary fuel as this may
cause over-firing. Over-firing is a condition where ex-
cessive temperatures are reached, beyond the design
Fig. 7
capabilities of the stove. The damage that occurs from
over-firing is not covered under the warranty.
WARNING: Do not use petrol, lighter fluid, kerosene or
other flammable liquids to start or freshen a fire in
this heater. Keep all such liquids well away from the
heater while it is in use.
3.7 WOOD
Logs of correct size for the stove allow for better stack-
ing, filling and operation of your stove (see table be-
low). Use dry wood which, by definition, is wood which
has been dried under cover for more than 18 months
so that the logs contain less than 20% moisture.
Model of stove
Stanford 9
Stanford 9+
Harmony I
Stanford 12
Stanford 12+
Harmony III
WHAT IS THE BEST WOOD FOR THE FIRE?
Some woods are easier to light than others. Those
which take the best are : hornbeam, beech, oak. Whe-
reas aspen, birch and lime burn easily but they do not
last as long. Then come the softwoods and conifers.
However, this list is only given as a guide as the best
fire wood is only the driest wood.
WHAT ARE THE DRAW BACKS OF DAMP WOOD?
Damp wood has far Iess heating power, this lowers the
combustion temperature of the fire therefore, the out-
put. It is difficult to light, burns badly and gives off
smoke. Above all the use of damp wood causes the for-
mation of deposits (tarring and soot staining) in the
chimney flue and the glass door.
WHAT IS TARRING AND SOOT STAINING IN THE CHIM-
NEY?
When the smoke arrives in the chimney at low tempe-
rature, part of the water vapour which they convey
condenses. The heaviest constituants are deposited on
the inside of the flue. this is TARRING. the mixture
oxidises in the air and forms brownish patches. That is
SOOT STAINING. Four essential points for avoiding
Maximum Log
Length
45 cm
50 cm
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