Charnwood Fire Pit FIREPIT User Manual

CHARNWOOD  
COUNTRY 4  
Operating  
and  
Installation Instructions  
Bishops Way, Newport, Isle Of Wight, PO3O 5WS, U.K.  
Tel: (01983) 527552 Fax: (01983) 821267  
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When relighting the stove, leave the  
ash on the base if burning wood or  
peat, unless it is becoming too deep,  
in which case some of it may be  
removed. If burning solid fuel clear  
the grate and empty the ashpan  
before relighting.  
deposits than other fuels, especially if  
the fire is run at low levels for long  
periods. It is therefore vital to clean  
the throat plate regularly, weekly  
cleaning is recommended.  
Never fully close the Airwash control  
when burning coal.  
CONTROLLING THE  
FIRE  
RUNNING THE FIRE  
WITH THE DOOR  
OPEN  
The rate of burning and hence the  
output is controlled by the spin wheel  
and the airwash control (see Fig. 1).  
The fire may be run with the door  
open if required. The more reactive  
fuels, such as wood, peat, coal and  
homefire, will burn better with the  
door open than fuels like phurnacite  
and ancit. Do not leave the fire  
unattended with the door open.  
The spin wheel should be used when  
lighting or when rapid burning is  
required. It should not be left fully  
open for long periods as this can  
cause over-firing. For overnight  
burning it should be closed.  
the ashpan should be emptied  
regularly before it becomes too full,  
generally once or twice a day. Never  
allow the ash to accumulate in the  
ashpan so that it comes in contact  
with the underside of the grate as this  
will seriously damage the grate. Care  
should be taken to ensure that ash is  
cool before emptying it into plastic  
liners or bins. After emptying the  
ashpan, poke the fire with a poker to  
clear the firebed of ash.  
The airwash control is used most of  
the time to control the burning rate  
and to keep the glass clean. Fully  
extended gives full airwash for faster  
burning and clean glass whereas fully  
closed gives slow overnight burning.  
It will not be possible to keep the  
glass clean if this control is fully  
closed, particularly immediately  
after refuelling.  
OVERNIGHT  
BURNING  
For overnight burning the fire door  
must be closed.  
When burning wood load some large  
logs on the fire and allow to burn for  
half an hour before closing the spin  
wheel, (this will help to reduce tar  
deposits in the chimney.) Leave the  
airwash control slightly open to help  
keep the glass clear.  
To make ash removal easier, when  
burning coal or smokeless fuel, there  
is a special Charnwood ash carrier  
available. This enables the whole  
ashpan to be placed in the sealed  
carrier and taken outside. These may  
be purchased from your supplier or,  
in case of difficulty, directly from  
ourselves.  
REFUELLING  
Keep the firebox well filled but do  
not allow fuel to spill over the top of  
the fuel retainer.  
When burning coal or smokeless fuel,  
if the fire is very low then open the  
air controls and revive the fire,  
adding a small amount of fuel if  
necessary. Empty the ashpan and  
poke the fire, load with fuel, and then  
close the door spin wheel. The  
airwash control may be kept slightly  
open to help keep the door glass  
clean.  
Care should be taken, especially  
when burning wood, that fuel does  
not project over the fuel retainer or  
damage to the glass may be caused  
when the door is closed, it can also  
cause the glass to black up.  
SPECIAL POINTS  
WHEN BURNING  
HOUSE COAL  
When loading the stove take care not  
to smother the fire, instead fill the  
firebox in two stages waiting between  
each stage for the flames to appear  
above the fire.  
ASH CLEARANCE  
Some experimentation may be  
necessary to find the setting most  
suitable for the type of fuel being  
used and the draw on the chimney.  
When burning wood or peat the ash  
should be allowed to build up on the  
base of the fire. It will only be  
necessary to remove some ash once or  
twice a week when it begins to  
restrict the flow of air through the log  
retainer.  
To revive the fire, empty the ashpan,  
(if burning coal or smokeless fuel),  
poke the fire, and open the air  
controls to maximum. When the fire  
is burning well load on more fuel as  
necessary and adjust the air controls  
After a period of slumbering always  
open the airwash control and wait  
until flames appear above the fuel  
bed before opening the door.  
When burning coal or smokeless fuel  
Burning coal will produce more soot  
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to the desired setting.  
CHIMNEY SWEEPING  
Door Glass Blacks Up  
The chimney should be swept at least  
twice a year. Where the top outlet or  
vertical rear flue connector is used it  
will generally be possible to sweep  
the chimney through the appliance.  
Differences in chimney draughts  
mean that the best settings of the air  
controls will vary for different  
installations. A certain amount of  
experimentation may be required,  
however the following points should  
be noted and with a little care should  
enable the glass to be kept clean in  
most situations:  
CLEANING AND  
MAINTENANCE  
The stove is finished with a high  
temperature paint which will  
withstand the temperatures  
encountered in normal use. This may  
be cleaned with a damp lint-free cloth  
when the stove is cold. Should  
re-painting become necessary, high  
temperature paints are available from  
your supplier or from stove shops.  
First remove the fuel retainer and the  
throat plate. Then sweep the chimney  
ensuring that soot is removed from  
all horizontal surfaces after sweeping.  
a) Wet or unseasoned wood, or logs  
overhanging the front fence will  
cause the glass to blacken.  
In situations where it is not possible  
to sweep through the appliance the  
installer will have provided  
Most deposits on the glass may be  
burnt off simply by running the fire  
at a fast rate for a few minutes. If it  
becomes necessary to clean the glass  
then open the door and allow it to  
cool. Clean the glass using a damp  
cloth and then wiping over with a dry  
cloth. Any stubborn deposits on the  
glass may be removed with a  
proprietary stove glass cleaner or  
ceramic hob cleaner. Do not use  
abrasive cleaners or pads as theses  
can scratch the surface which will  
weaken the glass and cause  
alternative means, such as a soot  
door. After sweeping the chimney the  
appliance flue outlet and the flue pipe  
connecting the stove to the chimney  
must be cleaned with a flue brush.  
b) The airwash relies on a supply of  
heated air to keep the glass clean,  
therefore, when lighting the stove  
allow the firebed to become well  
established before closing the spin  
wheel. This may also be necessary  
when re-fuelling the stove.  
After clearing any soot from within  
the stove, replace the throat plate (see  
Fig. 2.) and the fuel retainer.  
c) When re-fuelling keep the fuel as  
far back from the front fence as  
possible, do not try to fit too much  
fuel into the firebox.  
Different types of sweep’s brushes are  
available to suit different flueways.  
For standard brick chimneys a wire  
centre sweep’s brush fitted with a  
guide wheel is recommended. For  
prefabricated insulated chimneys the  
manufacturers instructions with  
regard to sweeping should be  
consulted.  
d) Never completely close the airwash  
control - as a guide it should be at  
least a quarter open.  
premature failure.  
e) The spin wheel may be kept  
slightly open to assist in keeping the  
glass clean.  
THROAT PLATE AND  
FLUEWAY CLEANING  
It is always more difficult to keep the  
glass clean when running the stove  
very slowly for long periods.  
It is important that the throat plate  
and all the stove flueways are kept  
clean in order to prevent potentially  
dangerous fume emission. They  
should be cleaned at least monthly,  
and more frequently if necessary. It is  
not necessary to let the fire out to  
carry out these operations.  
TROUBLE SHOOTING  
Fire Will Not Burn.  
If blackening of the glass still occurs  
check that all flue connections and  
the blanking plate are well sealed. It  
is also important that the chimney  
draw is sufficient and that it is not  
affected by down-draught.. When the  
chimney is warm a draught reading  
of at least 2.5 mm (0.10 inches)  
water gauge should be obtained.  
Check that:  
a) the air inlet is not obstructed in  
any way,  
b) chimneys and flueways are clear,  
c) that a suitable fuel is being used,  
d) that there is an adequate air supply  
into the room,  
e) that an extractor fan is not fitted in  
the same room as the stove.  
f) there is sufficient draw in the  
chimney. Once the chimney is warm  
a draught reading of at least 2.5 mm  
(0.10 inches) water gauge should be  
obtained.  
The front of the throat plate is pulled  
forward and then lowered as shown  
in Fig. 2. Any sooty deposits should  
then be swept from the plate and into  
the fire.  
When burning coal some blackening  
of the glass may occur below the  
level of the coal retainer. This will  
not obscure the view of the fire or  
affect its performance.  
Return the throat plate to its correct  
position - raise the front of the plate,  
push it back and then lower it onto  
the retaining lugs.  
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The most common cause of fume  
emission is flueway or chimney  
blockage. For your own safety these  
must be kept clean.  
should cause the chimney fire to go  
out in which case the controls should  
be kept closed until the stove has  
gone out. The chimney and flueways  
should then be cleaned. If the  
chimney fire does not go out when  
the above action is taken then the fire  
brigade should be called immediately.  
Fume Emission.  
Warning Note:  
Properly installed and operated this  
appliance will not emit fumes.  
Occasional fume from de-ashing  
and re-fuelling may occur.  
Fire blazing out of  
control  
Persistent fume emission is  
potentially dangerous and must not  
be tolerated. If fume emission does  
persist, then the following  
Check that :  
After a chimney fire the chimney  
should be carefully examined for any  
damage. Expert advice should be  
sought if necessary.  
a) The door is tightly closed.  
b) The spin wheel is fully closed.  
c) The airwash control is closed.  
d) A suitable fuel is being used.  
e) Door seals and airwash slide are  
intact.  
immediate actions should be taken:  
a) Open doors and windows to  
ventilate the room.  
b) Let the fire out and safely  
dispose of the fuel from the  
appliance.  
Chimney Fires.  
c) Check for flue or chimney  
blockage, and clean if required.  
If the chimney is thoroughly and  
regularly swept, chimney fires should  
not occur. However, if a chimney fire  
does occur close the spin wheel and  
the airwash control, and tightly close  
the door of the appliance. This  
d) Do not attempt to re-light the  
fire until cause of fume has been  
identified, if necessary seek  
professional advice.  
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CHARNWOOD COUNTRY 4 INSTALLATION  
INSTRUCTIONS  
The internal dimensions of the  
chimney should preferably be 175  
mm (7 inches) or 200mm (8 inches)  
either square or round and MUST  
NOT BE LESS THAN 125 mm (5  
INCHES).  
a gap behind the stove of at least  
75mm for access and to allow air to  
enter the airwash inlets. The  
positioning of the stove and the size  
of the hearth are governed by  
building regulations for Class 1  
appliances. These building  
regulations state that the hearth must  
extend in front of the stove by at least  
300mm (12 inches) and to the sides  
of the stove by at least 150mm (6  
inches). If in doubt as to the  
HEALTH AND SAFETY  
PRECAUTIONS  
Please take care when installing the  
stove that the requirements of the  
Health and Safety at Work Act 1974  
are met.  
If an existing chimney is to be used it  
must be swept and checked, it must  
be in good condition, free from  
cracks and blockages, and should not  
have an excessive cross sectional  
area. If you find that the chimney is  
in poor condition then expert advice  
should be sought regarding the  
necessity of having the chimney  
lined. If it is found necessary to line  
the chimney then a lining suitable for  
Solid Fuel must be used.  
Some types of fire cement are caustic  
and should not be allowed to come  
into contact with the skin. In case of  
contact wash with plenty of water.  
positioning of the stove expert advice  
should be sought either from the  
supplier or the local building  
inspector.  
If there is a possibility of disturbing  
any asbestos in the course of  
installation then please use  
appropriate protective equipment.  
The fireplace must allow good  
circulation of air around the  
There must not be an extractor fan  
fitted in the same room as the stove  
as this can cause the appliance to  
emit fumes into the room.  
appliance to ensure that maximum  
heat is transferred to the room and  
also to prevent the fireplace from  
overheating. A gap of 150mm (6  
inches) each side and 300mm (12  
inches) above the appliance should  
give sufficient air circulation. If a  
wooden mantelpiece or beam is used  
in the fireplace it should be a  
minimum of 460mm (18 inches), and  
preferably 600mm (24 inches) from  
the appliance. In some situations it  
may be necessary to shield the beam  
or mantelpiece to protect it.  
If there is no existing chimney then a  
prefabricated block chimney or a twin  
walled insulated stainless steel flue to  
BS.4543 can be used either internally  
or externally. These chimneys must  
be fitted in accordance with the  
manufacturers instructions and  
Building Regulations.  
There must be an adequate air supply  
into the room in which the appliance  
is installed totalling at least 100  
square cm. (16 square inches) to  
provide combustion air.  
In addition to these instructions the  
requirements of BS.8303 and  
BS.6461 Pt 1&2; 1984 must be  
fulfilled. Local Authority Bylaws and  
Building Regulations regarding the  
installation of Solid Fuel burning  
appliances, flues and chimneys must  
also be observed.  
Single wall flue pipe is suitable for  
connecting the stove to the chimney  
but is not suitable for using for the  
complete chimney.  
If it is found that there is excessive  
draw in the chimney then a draught  
stabiliser should be fitted.  
CONNECTIONS TO  
FLUES  
It is important that there is sufficient  
draw in the chimney and that the  
chimney does not suffer from  
down-draught. When the chimney is  
warm the draw should be not less  
than 2.5mm (0.10 inches) water  
gauge. If in doubt about the chimney  
seek expert advice.  
PERFORMANCE  
The stove must be connected to the  
flue using 125mm (5") i/d pipe. This  
may be stainless steel, cast iron, or  
thick wall steel pipe. Straight lengths  
of Charnwood Pipe to match the  
stove are available if required.  
The output of the Country 4 is 4.0  
kW (13,648 Btu/h). This output is  
based on a 2 hourly re-fuelling cycle  
burning seasoned hardwood logs, or a  
4 hourly re-fuelling cycle burning  
smokeless fuel.  
There are several ways of connecting  
the stove to the flue. These are  
illustrated in Figs. 3 to 6.  
HEARTH AND FIRE  
SURROUND  
CHIMNEY  
In order for the appliance to perform  
satisfactorily the chimney height  
must not be less than 4 metres  
measured vertically from the outlet of  
the stove to the top of the chimney.  
If the optional vertical rear flue  
connector is used then the chimney  
may be swept through the appliance.  
The stove must stand on a fireproof  
hearth and must be situated at least  
300mm (12 inches) from any  
Horizontal lengths of flue must be  
combustible material. There must be  
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Also check all joints and seals. On  
completion of the installation and  
commissioning please leave the  
operating instructions with the  
customer and advise them on the use  
of the appliance.  
kept to a minimum and should not be  
more than 125mm (5 inches) long.  
The sealing face of the flue collar  
must be coated with fire cement  
before fixing to the body of the stove  
using the two screws provided. The  
blanking plate must be removed,  
sealed with fire cement and refitted,  
care being taken to ensure that the  
fold on the clamping plate is in line  
with the lugs on the firebox as shown  
in Fig. 7. Ensure that the clamping  
plate does not prevent the throat plate  
from seating correctly. All flue  
connections must be well sealed.  
SOOT DOORS  
It is possible to pass a 16 inch  
diameter sweeps brush through the  
appliance but in most back outlet  
installations it will be necessary to  
have a soot door to enable the  
chimney to be swept. The optional  
vertical rear flue connector does  
allow the chimney to be swept  
through the stove.  
Soot doors may either be in the actual  
brickwork of the chimney or in the  
register plate. Various positions of  
soot doors are shown in Figs. 3 to 6.  
PRE LIGHTING  
CHECK  
Ensure that the throat plate is fitted  
in the roof of the appliance. The  
location and positioning of the throat  
plate is shown in Fig. 2.  
Check that the front fence is fitted  
correctly and that the door closes  
properly.  
COMMISSIONING  
On completion of the installation  
allow a suitable period of time for the  
fire cement and mortar to dry out  
before lighting the fire. If no grate is  
fitted make a layer of ash or sand on  
the base of the stove before lighting.  
Check to ensure that smoke and  
fumes are taken from the appliance  
up the chimney and emitted safely.  
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Overall Dimensions  
(All dimensions are in mm)  
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