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10 

Troubleshooting 

 
1) 

Poor heat output 

 

A) Stove too small for a room.  

Seek advise from a Qualified Heating Engineer as to (KW) output required for room 
size as a guideline the volume of the room in cubic feet divided by 500 i.e. room 
15’x15’x8’ would require 3.6kw approx. 

B) Chimney and/or flue pipe restricted, room ventilation restricted. 

On installation these will have been checked but regular maintenance is necessary 
as conditions can change i.e. soot build up, birds nesting, masonry fall, dust build up 
or furniture blocking vents. 

C) Poor quality fuel. 

Only burn dry seasoned timber, soft woods have a lower heat output then hard 
woods per hour. Solid fuels vary in heat value check with your coal merchant as to 
suitability. 

 

2) Dirty Glass Panel 
 

A) Generally caused by poor fuel quality, see (1c) 
B) Use secondary air slide (Airwash) for glass panel 
C) Fire burning to low, open air vents on stove create hot fire this may ‘burn’ glass 
clean. 
D) If glass requires cleaning use glass cleaner recommended by your supplier, only 
use glass cleaner or cold glass. DO NOT USE any abrazifs or scrapers these will 
scratch glass causing tar build up harder to remove. 
 

3) Unburnt Fuel In Firebox 
 

Insufficient air reaching fuel. Open primary air slide, this will supply combustion air to 
burn fuel fully (unless it has reached a ‘point of return’) 

 

Check ash pan is full, empty if required, grate may be blocked de-ash with riddler, 
check for jammed clinker or nails in grate when fires out and cold. 
 

4) Smoke And Fumes Entering Room 
 

These are very dangerous and must NOT be tolerated. Open window and allow 

fire to 

burn out, seek expert advice immediately. DO NOT USE stove until the  
problem is solved. A list of Qualified Engineers is available from  
 

UK Solid Fuel Association 

7 Swanwick Court, Alfreton 

Derbyshire DE557AS 

Tel- 0845-601-4406 

 

R.o.I.  

Irish National Fireplace Organisation 

162 Chapel Street, Dublin 

Tel-01-801-5959 

 

With some solid fuels a residue of burnt fuel or clinker will accumulate on the grate, allow the 
fire to go out periodically to remove this. 
We cannot stress firmly enough how important it is to empty the ash pan regularly. Air passing 
through the firebed cools the grate. Distortion or burning out the grate bars is nearly always 
caused by ash being allowed to build up the underside of the grate. 
 
Recommended Fuels 
Seasoned wood—moisture content less than 20% 
Solid fuel—Anthracite large nuts, briquette smokeless fuel i.e. Ancit, Phurnacite, Taybrite, 
Homefire Ovals suitable for closed appliances. 
 
Please note that when refuelling with solid fuel do not pile fuel higher than 30 degrees from the 
front bar rearwards—overfuelling can produce temperatures beyond the designed rating of the 
appliance, causing damage to internal parts. 
 
Lighting The Stove 

We recommend that you have two or three small fires before you operate your stove 
to its maximum heat output. This is to allow the paint to cure and castings to relax and 
consolidate location we recommend ‘running in’ procedure after long shutdowns to 
preserve life of stove. During this you may notice an unpleasant smell. It is not toxic, 
but for your comfort we would suggest that during this period you leave all doors and 
windows open. 
  

First, load the fire with starting fuel i.e. paper, dry kindling timber and/or fire lighters in the mode 
chosen, either wood or coal. 
 
Light the fire at base leaving all air controls open. Allow the fuel to reach a steady glow and 
build the fire up gradually. Once you have a good fire established across the grate bed, further 
fuel can be added as required. 
 
When your fuel is well alight you can start to restrict the primary air intake. If you are burning 
only wood, the primary air control can be fully closed. If you are burning solid fuel you will  
require more primary air. Your stove is burning with maximum efficiency when a bright fire is 
achieved using minimum air inlet.  
 
The stove can be banked up for long periods. When burning solid fuel empty the ashpan. Open 
air controls and let the fire burn brightly for a short period. Refuel and close air controls, the 
exact setting required will depend on the fuel used and the chimney draw so some practice 
may be necessary. To revive the fire, open air controls until the fire is burning brightly, de-ash if 
necessary (solid fuel only) and refuel. Set air controls as required.   
 
This appliance is designed to be operated with the door closed. Except for refuelling, not only is 
it unsafe to operate with the door open but the appliance efficiency will be reduced  
dramatically. 
 
Solid Fuels 
We recommend the majority of approved manufactured smokeless fuels. Household coal 
(bituminous coal), which is ‘Smokey’ fuel, can be burned in areas that are NOT smoke  
controlled but the clean burn function will not be applicable.  The use of household coal is not  
recommended.  Use as an incinerator is not recommended as fumes from plastics etc will 
cause pollution to the atmosphere and will damage stoves internals. 
 

Summary of Contents for FIREFOX 5 CLEAN BURN II

Page 1: ...ercydoughty com web www percydoughty co uk Essential characteristic Test fuel Beech Anthracite Fire Safety Pass Pass Emission of combustion products related to 13 O2 CO 0 11 vol Dust 73 mg m0 3 NOx 98...

Page 2: ...Dimensions may vary slightly the manufacturers reserve the right to adjust them without notice 15 Key To Dimensions A Height B Width C Centreline of Flue D Height To Centre of Rear Flue E Depth F Rea...

Page 3: ...1 FFX012 Side Brick 12 FFX013 Back Brick 13 FFX010 Leg 14 15 FFX004 Stove Door Front Panel 16 FFX014 Ash Pan 17 FFX011 Fret 18 FFC024 Secondary Air Duct 19 FFX018 Door Glass 20 FFX027 Glass Panel Seal...

Page 4: ...nts are not met the chimney should be lined by a suitable method The chimney height and the position of the chimney terminal should conform to Building Regulations A flue draught of minimum 12 Pascals...

Page 5: ...ombustible hearth Allow an apron of at least 300mm at the front of the stove and 150mm on either side The hearth on which the stove is to be placed should not be less than 125mm thick if the floor is...

Page 6: ...he firebed and allow the fire to burn over the entire area of the grate Insert peg on operating tool into hole in riddling rod draw tool forwards and backwards with a slow positive action Set rod in b...

Page 7: ...uel Anthracite large nuts briquette smokeless fuel i e Ancit Phurnacite Taybrite Homefire Ovals suitable for closed appliances Please note that when refuelling with solid fuel do not pile fuel higher...

Page 8: ...el collar replacement or stove pipe must be carried out by a suitably qualified engineer 9 General Maintenance Baffle Plate This should be removed at least once a month to prevent any build up of soot...

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