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6
18 May 2015
TROUBLE SHOOTING
Smoke Spillage:
The smell of wood smoke inside your home is a sign that the fireplace is not drawing properly. There are
many causes and many solutions for this occurrence. Incorrect cleaning of the flue, or close proximity to large trees, tall
buildings or high landmass may contribute. Other contributing factors can simply be the different climates or atmospheric
conditions of certain areas.
The solutions are varied, some guides below:
Checking the fuel Load :
Too much fuel (wood) in one load will cause the fire to overcharge, not allowing the flue
and cowl system to cope with the excess smoke, causing the smoke to bellow into the room. See standard fuel loads
in this instruction.
To little fuel load :
This will have the effect that there is not enough draft in the flue allowing the smoke to waft into
the room. The fire will be performing poorly as the fire will not heat up and circulate the convection air.
Cowls :
A different style of cowl may make a difference in some situations, but seek the advice of a Warmington
Agent as some cowls are not suitable for some applications.
Chimney :
Ensure that the chimney is swept as the buildup of soot inside the chimney can happen very quickly in
cold climates, especially if the fuel is green. This can happen as quickly as 5 to 10 fire operations.
Negative Pressure in the home:
All fires need air to burn and draw correctly, kitchen fans, air conditioning units,
high wind zones, naturally forming draft spaces; can all have an effect on the pressure difference from inside the
building to the outside. A lower pressure in the building may induce a draft down the flue system and back into the
building, causing the fire to smoke or spill into the building.
Care needs to be taken at the design and installation
stage to adequately vent the building, or some mechanical system to ensure that there is always a neutral or
positive pressure at the fireplace and a negative pressure at the flue outlet.
This will ensure that the draft in the
flue system is always to the outside.
The Prevailing Wind :
Care needs to be taken to ensure that the flue termination is in the correct position, as wind
and gusts that hit the flue and cowl system may overcome the cowl and draft back down the flue into the home. This
can be a combination of down draft and high pressure.
The Topography of the land :
The slope and position of the land in relation to the home has a bearing on how the
wind will interact with the fire and flue system. Care needs to be taken to ensure that the flue termination is in the
correct position to maximise performance.
NOTE :
Please check the chimney has been cleaned recently and that it is not blocked before calling your
Warmington
Dealer or
Agent.
Low Heat Output :
The moisture content of the fuel has the greatest effect on the heat output of the fire. The wood needs to
be seasoned and dry to approx 20% moisture content.
Type of wood :
The type of wood will also have an effect on the heat output and the burn rate. Hard woods will generally
burn longer while soft wood will burn faster and more intense. A good blend of two soft wood (Pine) to one hard wood
(Manuka) will maintain a good fire bed and flames into the top heat exchanger of the fire.
The load of wood :
The amount and frequency of the load is the best way to control the heat form the fire. The wood load is
covered in this instruction.
