Bubble 7 B User manual

1
W
W
O
OO OD D
B
B
U
UR RN NI IN NG G
S
S
T
TO OV VE ES S
7
7
B
B
U
U
S
SE ER R
I
I
N
NS ST TR RU UC CT TI IO ON NS S
I
I
S
SS SU UE E
0
08 8- -0 09 9- -1 12 2
http://www.bubb eproducts.co.uk/
© Euroship Services (UK) Ltd., Trading as: - Bubb e Products 07-07-01. ©

2
Index
Fue _________________________________________________________ 3
Lighting ______________________________________________________ 5
Re Fue ing ___________________________________________________ 5
Contro ing the Fire _____________________________________________ 6
Ash C earance _________________________________________________ 6
Reduced Burning _______________________________________________ 7
C eaning and Maintenance ________________________________________ 7
Chimneys _____________________________________________________ 8
Troub e Shooting _______________________________________________ 8
Wood Fue Logistics ___________________________________________ 11
About Stoves with Boi ers _______________________________________ 12
Guarantee ___________________________________________________ 14
How to proceed with a comp aint _________________________________ 15

3
BEFORE ATTEMPTING TO LIGHT THE STOVE READ THESE INSTRUCTIONS FULLY
AND MAKE SURE THAT YOU KNOW HOW TO CONTROL THE APPLIANCE.
Hea th, Safety and Warnings.
F ues
Before lighting the stove check with the installer that the work and checks described in the
installation instructions have been carried out correctly and that the chimney has been
swept and is free from obstructions, the appliance must not be connected to a shared flue.
Fireguard.
suitable fire guard conforming to BS8423:2002 should be used with all Bubble solid fuel
appliances.
Correct use of the app iance.
The appliance should not be used with the fire door open; the fire door must be kept closed
at all times except when re-fuelling or de-ashing.
The appliance is suitable for intermittent operation.
Extractor fans.
Do not fit an extractor fan in the same room as the appliance as this can cause fumes to be
emitted into the room
Inf ammab e materia s.
Do not use or store aerosols or sprays or any other flammable materials near to the
appliance when it is in use.
The appliance must not be connected to a shared flue.
Identification.
serial number plate is fastened to the rear heat shield displaying information about the
identification and documentation for the product. When ordering consumables and spare
parts it will be necessary to quote the serial number.
F
F
U
UE EL L
This appliance has been designed to Burn wood.
Only dry well seasoned wood should be burnt on this appliance, before any wood is burnt, it
should have a moisture content of no more that 20%.
This can be achieved by drying outdoors for 12 months and then under cover for the second
12 months assuming that the wood has been cut, split and stored in such a way as to allow
adequate air to circulate through the wood pile.
sh is an exception to this rule as it can be cut early in the year and (providing it is stored
correctly) burned in the autumn.
Hardwoods such sh, Beach and Oak are all are better than softwoods such as Pine and
Spruce.

4
Burning wet, unseasoned wood will give rise to heavy tar deposits in the stove, on the door
glass and within the chimney and will also result in considerably reduced outputs
The stove will accommodate log sizes 350mm (13.5”) long x 125mm (5”) diameter.
Good Wood burning Technique
If wood is burned at high temperatures a more complete combustion occurs, complete
combustion means that most of the volatile hydrocarbons locked in the wood are released in
the form of heat generally displayed as long yellow flame combustion.
The higher the combustion chamber temperature, the more complete the combustion
process.
Bad Wood burning Technique
If wood is burned at low temperatures then very little is achieved and incomplete combustion
occurs.
Incomplete combustion is typified by wood tar deposits all over the internals of the firebox,
flue ways and door glass.
The lower the combustion chamber temperature, the worse the combustion and the greater
the build up of wood tar.
Good Wood burning Technique
Increases the efficiency of the burn process.
Decreases your running costs.
Increases the life expectancy of the boiler (If fitted)
Results in a clean appliance and chimney.
Bad Wood burning Technique
Decreases the efficiency of the burn process.
Increases your running costs.
Decreases the life expectancy of the boiler. (If fitted)
Results in a tar covered appliance and chimney.

5
L
L
I
IG GH HT TI IN NG G
To ignite the stove, arrange the kindling as follows.
Fig 1 rrange Kindling.
Pace Fire ighter Here
s you can see air is drawn into the stove in a straight line, through the valve (2 fig 1) at the
bottom of the firedoor.
This means that to get the stove ignited quickly, we have to create a corridor with wooden
sides and a wooden roof, to allow the incoming air to be drawn through it.
Build two walls about 70mm (3”) apart from the front door to the back of the stove
Place a firelighter in the centre of the corridor at the front of the stove and then put a roof
across the top of the corridor with further kindling.
Open the air wash lever (1 fig 1) which means move it fully to the left and then open the spin
valve (2 fig 1) at the bottom of the fire door to admit maximum air into the front of the
kindling corridor.
Ignite the firelighter and the fire will rapidly take hold.
When the fire has established itself and all the kindling is well alight, close off the bottom
spin valve slightly until the fire is maintaining a steady burn rate.
During the whole of the lighting process do not leave the stove unattended.
fter 5 to 10 minutes the fire should be fairly well established and at this stage it is
possible to add more fuel.
R
R
E
E
F
F
U
UE EL LL LI IN NG G
Refueling is a critical part of using your stove and there is a skill in doing it.

6
The first thing to remember is not to let the fire get too low, if it does when the new fuel is
placed into the fire it dramatically lowers the operating temperature of the firebox.
good indication of correct firebox temperature is when most of the soot or dark
deposits have burned off the fireboard bricks inside the stove and the bricks are a nice
light colour.
If the stove is up to the correct operating temperature and there is a good amount of
glowing charcoal still in the firebed, rake the old fuel forward before refuelling and place
the new fuel
behind the established fire so that the air admitted through the front valve
can be drawn across the established fire to ignite the new fuel placed behind it.
Remember this technique as it is the one that is used time after time when refuelling.
If the fire stalls after the new fuel has been loaded encourage it to flame by just give it a
short blast of bottom air and then, when the flames are established, close the bottom air
and run on top air (airwash), try to adjust the air to allow the new fuel to carry on flaming
at the rate which you want in line with the required heat output.
C
C
O
ON NT TR RO OL LL LI IN NG G T TH HE E
F
F
I
IR RE E
There are only two air controls on the stove, the air wash, which are item 1 on Fig1 and the
lower door control item 2 on Fig1.
Most of the control will come from the airwash control; the lower door air control will only be
used to start and to boost the stove as detailed above in Re Fueling.
The airwash control is very sensitive and fine adjustment is carried out by gently tapping
the lever either to the right to reduce airwash or to left to increase the airwash.
A
A
S
SH H
C
C
L
LE EA AR RA AN NC CE E
On wood stoves an ash build up is required before the stove will start working to its
maximum; from new it will take a day or so for ash to build up in the base of the combustion
chamber.
sh should be allowed to accumulate to a depth of around 40mm and thereafter it should be
maintained at that depth, using a small shovel just remove enough to maintain the 40mm
depth.
ir is allowed to enter the combustion chamber through the middle and lower cut outs in the
front fret and wood ash should be gently moved from this area to allow air to feed into the
fire.
flat ash poker is provided for this purpose and it should be gently pushed in through the
bottom air inlet and moved from side to side to clear away any ash build up from the air inlet
route.

7
Fig2 Use Flat Poker through bottom air inlet vent.
R
R
E
ED DU UC CE ED D
B
B
U
UR RN NI IN NG G
Make sure that the combustion chamber is up to a high temperature and then reduce the
firing rate of the appliance by reducing the air flow into the appliance.
Try to run the stove so that the fuel is gently flaming, if the air flow is reduced too much
the appliance may go sooty, some experimentation may be required before the correct
settings are established. See notes in Re-Fue ing .
C
C
L
LE EA AN NI IN NG G A AN ND D
M
M
A
AI IN NT TE EN NA AN NC CE E
Before carrying out any cleaning and maintenance, if the appliance is warm or hot, always
wear heat resistant gloves which are available from our sales department.
Removing the Front fret
Do not remove the front fret whilst the stove is alight.
Open the front door and using a pair of heat resistant gloves lift the front fret up vertically
and twist it through 45 deg, the front fret can then be withdrawn through the front opening
of the stove.
Reverse the procedure to replace the front fret.
Removing the Baff e P ate (Stoves without Boilers) Boiler stoves do not have baffle plates.
Do not remove the front fret whilst the stove is alight.
First remove the front fret as detailed above then remove the ash residue and keep it safe,
when the service has been carried out some of the ash will need to be put back into the
stove to a depth of 30mm (1¼”)
Using both hands, push the front of the baffle plate upwards in a vertical position so that it
rocks on the back firebrick

8
Then pull the lower edge of the baffle plate towards the front of the stove, off the rear
brick allowing it to drop down onto the base of the stove.
Keep it standing vertically and rotate it through 45 degrees and then remove it across the
widest diagonal opening of the door.
Reverse the procedure to replace that baffle plate.
C
C
H
HI IM MN NE EY YS S
Chimneys and flue ways should be inspected and cleaned at least twice per year.
The flue pipe from the appliance should have an access plate fitted and it should be cleaned
both up and down every 4 weeks.
Wood must not be burned on any appliance in a smoke controlled area unless the appliance is
specially designed and approved according to statutory requirements.
On oven stoves the top plate can be lifted off and the appliance flue ways around the oven
can be cleaned using a small brush with a flexible wire handle.
Baffle plates are fitted at the top and bottom of the oven and these are held in place by
three fasteners, if necessary remove the baffle plates to gain better access to the oven
flue ways.
T
T
R
RO OU UB BL LE E
S
S
H
HO OO OT TI IN NG G
Fire Wi Not Burn
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,

9
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
(0.08 inches) water gauge should be obtained.
Door G ass B acks Up
Differences in chimney draughts mean that the best settings of the air controls will vary for
different installations. certain amount of experimentation may be required; however the
following points should be noted:
a) Using wet or unseasoned wood will cause the glass to blacken.
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 air control.
This may also be necessary when re-fuelling the stove.
d) Do not completely close the air control.
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 is not affected by downdraught.
Fume Emission
Warning Note:
Properly installed and operated this appliance will not emit fumes. Occasional fume from de-
ashing and re-fuelling may occur.
Persistent fume emission is potentially dangerous and must not be tolerated. If fume
emission does persist, then the following 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.
c) Check for flue or chimney blockage, and clean if necessary.
d) Do not attempt to re-light the fire until cause of fume has been identified, if necessary
seek professional advice.
The most common cause of fume emission is flueway or chimney blockage. For your own
safety these must be kept clean.
Fire b azing out of contro
Check that:
a) The door is tightly closed.
b) Both of the air controls are fully closed.
c) suitable fuel is being used.
d) Door seals are intact.
Chimney Fires
If the chimney is thoroughly and regularly swept, chimney fires should not occur.

10
If a chimney fire does occur close all of the air inlet controls, (1 & 2 in fig 1) and tightly
close the door of the appliance.
This 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.
fter a chimney fire the chimney should be carefully examined for any damage. Expert
advice should be sought if necessary.
Co A arm
Your installer should have fitted a CO alarm in the same room as the appliance. If the larm
sounds unexpectedly, follow the instructions given under “Warning Note” above.
Fig 1
7B Wood Stove
1 = airwash control, 2 = overfire air
Fig 2