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This is caused by burning damp wood and running the
appliance at too low a temperature.
Use well seasoned wood and operate the appliance within
the ideal temperature range.
Tar is 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.
16.5 In the unlikely event of a problem that cannot be solved
by these tips contact your installer or retailer for help.
17. SMOKE CONTROL KIT
17.1 This appliance can be modified to burn wood in a smoke
control zone. For more details on the Smoke Control Kit for
this appliance contact your retailer.
NOTE: These appliances have been independently tested
to PD6434 and approved by DEFRA as an exempted
appliance, allowing it to burn wood in Smoke Control areas
when fitted with a Smoke Control Kit.
16. TROUBLESHOOTING TIPS
16.1 Stove glass blackening
This has four possible causes:
1. Incorrect use of Airwash
See User Instructions, Sections 1, 4 and 5 for the correct use
of the air controls.
2. Burning unseasoned wood
See User Instructions, Section 3 to identify when wood is
ready for burning.
3. Stove operated at too low a temperature
A stove pipe thermometer can identify this problem (Stovax
part no 3046). The ideal working temperature range is
130°C - 250°C (270°F - 480°F). Failing to close down the
Primary Air Control once the appliance has heated up to
this range may cause the appliance to exceed the ideal
temperature range and to over-fire. Over-firing can cause
permanent damage to the appliance and invalidates your
warranty. Burn with the Airwash Control fully open for
approximately 20 minutes to cure this.
The problem may be caused by damping down the
appliance during periods of extended burning.
4. Problems with the flue, in particular insufficient air pull.
If the flue is not working efficiently the glass can blacken.
A flue which has too much downdraft may be too short,
needs lining, or has too many bends. This can also cause
blackening of the stove glass. Contact the installer or a flue
specialist for advice.
16.2 Riddling Mechanism Jamming
This occurs when ash builds up under the riddling grate
preventing movement. To rectify:
—Lift out the riddling mechanism (see Installation
Instructions, Section 5) and remove all ash.
—Replace riddling mechanism when cleaning is complete.
—De-ash and clean the inside of the appliance regularly
to avoid build up of ash and subsequent jamming of
mechanism.
16.3 Glass cracking
Do not over tighten the screws on the glass clips when
replacing the glass. This causes stress and the intense
temperature changes can cause the glass to crack. For
replacement glass contact your local Yeoman retailer.
16.4 Appliance is producing tar
This can be identified by:
—A very strong pungent smell shortly after the appliance is
lit and heats up.
—Glass blackening.
—Thick, brown, sticky tar oozing from the pipe joints.
USER INSTRUCTIONS
Organisations authorised to certify competence in the
installation of domestic solid fuel appliances
(Competent Persons Scheme):
APHC - Association of Plumbing and Heating
Contractors (Certification) Ltd.
www.aphc.co.uk
BESCA - Building Engineering Services Competence
Accreditation Ltd.
www.besca.org.uk
HETAS - Heating Equipment Testing and Approval
Scheme Ltd.
www.hetas.co.uk
NAPIT - National Association of Professional Inspectors
and Testers Ltd.
www.napit.org.uk
NICEIC - NICEIC Group Ltd.
www.niceic.org.uk
HETAS Approved Chimney Sweeps:
NACS - The National Association of Chimney Sweeps
www.chimneyworks.co.uk
APICS - The Association of Master Chimney Sweeps Ltd.
www.apics.org
GMS - The Guild of Master Chimney Sweeps
guildofmasterchimneysweeps.co.uk