ACR STOVES Woodpecker WP5Q-P Technical Manual - Page 15

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Troubleshooting

Problem
Reason
Rapid creosote build-up in
Wet wood
the chimney or flue system
(≥ 20% moisture)
Tar coming from flue joints
Appliance operated at
continuous low
temperature
Using poor quality wood
Strong acrid smell after the
Appliance operated at
appliance is lit
continuous low output
Using poor quality wood
Wind noise from the air
High flue draught
control
Dirty firebricks
Wet wood
(≥ 20% moisture)
Dirty glass
Wet wood
(≥ 20% moisture)
Glass blackening
Using poor quality wood
Low flue draught
Incorrect use of air control
Appliance operated at
continuous low
temperatures
Problem
Reason
Windy days, intermittent
Down draught in flue
smoke spillage into room
caused by air turbulence
when appliance door is
caused by nearby
opened
buildings or trees
Calm days, intermittent
Over size flue giving poor
smoke spillage into room
flue draught
when appliance door is
opened
Damp/rainy days lighting
Flue temperature low/rain
and burning problems
water inside flue
Wind noise from the air
High flue draught
control
Key to Symbols: ≤ - Less Than
≥ - More Than
Action
Use dry seasoned wood (≤ 20% moisture content).
Operate at a high temperature for short periods each time
the appliance is used to avoid large build-ups of tars and
creosotes
Operate at a high temperature for short periods each time
the appliance is used to avoid large build ups of tar and
creosotes. See user instructions for correct use of air
control
Use dry seasoned wood (≤ 20% moisture content)
Operate at high output for short periods. See user
instructions for correct use of air control
Use dry seasoned wood (≤ 20% moisture content)
Consult your installer for advice on suitable flue system
Use dry seasoned wood (≤ 20% moisture content)
Use dry seasoned wood (≤ 20% moisture content)
Use dry seasoned wood (≤ 20% moisture content)
Consult your installer for advice on suitable flue system
See user instructions for correct use of air control
Operate at high output for short periods. See user
instructions for correct use of air control
Action
Weather conditions combined with the flue terminal
position can have an effect on the appliance performance.
Consult your installer
Weather conditions combined with the flue terminal
position can have an effect on the appliance performance.
Consult your installer
Use good quality wood to start and maintain the fire,
consult your installer to fit a rain cowl
Consult your installer for advice on suitable flue system
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Problem
Reason
Difficulty starting the fire
Low flue draught
and keeping it burning well
Wet wood
(≥ 20% moisture)
Poor burning control
High flue draught
Short burn times
Wet wood
(≥ 20% moisture)
Insufficient amount of fuel
or excessive softwood fuel
Using poor quality wood
Excessive heat output (over
Air control left fully open
firing)
Wet wood
(≥ 20% moisture)
Low heat output
Low flue draught
Wet wood
(≥ 20% moisture)
Excessive fuel consumption
High flue draught
Excessive use of softwood
Smoke and small flames
Wet wood
(≥ 20% moisture)
Intermittent smoke spillage
Low flue draught
into room when appliance
door is opened
Incorrect additional
ventilation air into building
Continuous smoke spillage
Blocked flue
into room when appliance in
use
Excessive smoke from
Wet wood
chimney
(≥ 20% moisture)
Key to Symbols: ≤ - Less Than
≥ - More Than
Smoke Emission Guidance
The flue system has two main functions:
• To safely remove the smoke, fumes and combustion gases from the appliance.
• To provide a sufficient amount of flue draught in the appliance to ensure the correct amount of combustible air is introduced to
keep the fire burning.
• The flue draught is caused by rising hot gases when the appliance is lit.
• Tar and creosote are a major cause of chimney fires. If the appliance experiences problems with tar build up, consult a chimney
sweep before continued use of the appliance.
For advice on the correction of persistent flue problems consult a qualified competent engineer before continuing to use
the appliance.
Action
Consult your installer
Use dry seasoned wood (≤ 20% moisture content)
Consult your installer
Use dry seasoned wood (≤ 20% moisture content)
Use dry seasoned wood (≤ 20% moisture content)
Close air control to reduce output
Use dry seasoned wood (≤ 20% moisture content)
Consult your installer for advice on suitable flue system
Use dry seasoned wood (≤ 20% moisture content)
Consult your installer for advice on suitable flue system
Do not use building off cut timber or pallet wood
Use dry seasoned wood (≤ 20% moisture content)
Consult your installer for advice on suitable flue system
Consult your installer
Open all doors and windows to ventilate the room. Allow
the fire to burn out. Check flue for blockage. Do not re-use
until cause of spillage is identified. Consult your installer
for advice.
Use dry seasoned wood (≤ 20% moisture content)
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