Bubble BELFORT MARINE User manual

Draught copy needs finishing
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BELFORT MARINE OIL STOVE ©
INSTALLER INSTRUCTIONS ISSUE 2 @ 8- 2- 3

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INDEX
1. BEFORE STARTING THE JOB.............................................................. 5
FITTING OPTIONS............................................................................................................................................................................... 5
ABOUT THE STOVE............................................................................................................................................................................... 5
OPERATING PRINCIPLES. ................................................................................................................................................................. 5
CONTROLS................................................................................................................................................................................................ 6
2. SAFETY....................................................................................... 6
FUMES ........................................................................................................................................................................................................ 6
FIRE ............................................................................................................................................................................................................. 6
BURNS......................................................................................................................................................................................................... 6
CLEARANCES............................................................................................................................................................................................ 7
VENTILATION. ....................................................................................................................................................................................... 7
3. CHIMNEY .................................................................................... 7
THE HEIGHT. ........................................................................................................................................................................................... 7
THE DIAMETER. ..................................................................................................................................................................................... 7
THE TEMPERATURE OF THE GASSES IN IT.............................................................................................................................. 7
THE RESISTANCE OF THE INNER SURFACE OF THE FLUE PIPE OR PIPES................................................................. 7
THE CHIMNEY RULES. ......................................................................................................................................................................... 8
4. FUEL SUPPLY................................................................................. 8
PREAMBLE ................................................................................................................................................................................................. 8
WAXING .................................................................................................................................................................................................... 8
TRIM............................................................................................................................................................................................................ 8
TANK ........................................................................................................................................................................................................... 8
OIL LINE ................................................................................................................................................................................................... 8
WATER CONTAMINATION ............................................................................................................................................................... 8
REMOTE SENSING FIREVALVE ....................................................................................................................................................... 9
ISOLATION VALVES............................................................................................................................................................................ 9
SLEEVING.................................................................................................................................................................................................. 9
5. FIREPLACE. .................................................................................. 9
6. FITTING DRY STO ES. .................................................................... 9
SELECT LOCATION. .............................................................................................................................................................................. 9
FIT OIL TANK. ........................................................................................................................................................................................ 9
RUN OIL LINE. ........................................................................................................................................................................................ 9
TRIAL FIREPLACE ASSEMBLY. ......................................................................................................................................................... 9
TRY STOVE IN POSTION. .................................................................................................................................................................. 9
ESTABLISH FLUE POSITION........................................................................................................................................................... 9
MARK AND CUT ROOF PLATE............................................................................................................................................................ 9
FIT DECK FLANGE.................................................................................................................................................................................. 9
FIT FIRESTOP SPACER........................................................................................................................................................................ 9
FIT CEILING PLATE.............................................................................................................................................................................. 9
TRIAL FIT FIRE...................................................................................................................................................................................... 9
TRIAL FIT EVERYTHING ELSE......................................................................................................................................................... 9
IF IT ALL FITS REFIT IT PERMANENTLY. ................................................................................................................................. 9
SELECT LOCATION .............................................................................................................................................................................. 9
FIT OIL TANK. ...................................................................................................................................................................................... 1
RUN OIL LINE. ...................................................................................................................................................................................... 1
TRIAL FIREPLACE ASSEMBLY. ....................................................................................................................................................... 1
TRY STOVE IN POSTION. ................................................................................................................................................................ 1
ESTABLISH FLUE POSITION......................................................................................................................................................... 1

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MARK OUT AND CUT THE ROOF PLATE. .................................................................................................................................... 1
FIT DECK FLANGE................................................................................................................................................................................ 1
FIT FIRESTOP SPACER...................................................................................................................................................................... 1
FIT CEILING PLATE............................................................................................................................................................................ 1
ABOVE DECK EXTENSION. ...............................................................................................................................................................11
6. FITTING WET STO ES ................................................................... 11
PREAMBLE. ............................................................................................................................................................................................... 11
EASY ACCESS TO THE BOILER UNIONS. ..................................................................................................................................11
EASY ACCESS TO THE DRAIN DOWN VALVE...........................................................................................................................11
EASY ACCESS TO THE OIL CONNECTION. ............................................................................................................................... 11
EASY ACCESS TO THE ISOLATION VALVE. .............................................................................................................................11
CALORIFIERS. ........................................................................................................................................................................................ 11
VENTING OF AIR..................................................................................................................................................................................11
PUMPED SYSTEMS............................................................................................................................................................................... 12
WATER TREATMENT.......................................................................................................................................................................... 12
DRAIN DOWN........................................................................................................................................................................................ 12
CIRCULATING PUMP. .......................................................................................................................................................................... 12
7. COMMISSIONING. ........................................................................ 12
PRE FIRING CHECKS........................................................................................................................................................................... 12
8. FAULT FINDING HEATING SYSTEM..................................................... 14
THE CIRCUIT DESIGN....................................................................................................................................................................... 14
AIR LOCKED CIRCULATING PUMP. ............................................................................................................................................... 14
AIR LOCKED SYSTEM PIPEWORK. ................................................................................................................................................ 14
INADEQUATE SYSTEM PRESSURE HEAD................................................................................................................................. 14
INOPERATIVE CIRCULATING PUMP. ........................................................................................................................................... 14
INADEQUATE PIPE SIZEING......................................................................................................................................................... 14
INADEQUATE CALORIFYER DESIGN.......................................................................................................................................... 14
INADEQUATE STOVE LOCATION................................................................................................................................................ 14
FLOW OF WATER THROUGH THE BOILER................................................................................................................................ 14
WATER THROUGH THE CALORIFYER.......................................................................................................................................... 14
FLOW OF WATER THROUGH THE RADIATORS...................................................................................................................... 14
THE SYSTEM IS NOT OVER PUMPING. ...................................................................................................................................... 14
LACK OF SAFETY VALVES. ............................................................................................................................................................... 14
FEED AND EXPANSION .................................................................................................................................................................... 14
9. FAULT FINDING BURNER COMBUSTION............................................... 14
1. RACING. ............................................................................................................................................................................................... 14
3. BURNER RUNS SOOTY.................................................................................................................................................................. 14
4. BURNER DOES NOT LIGHT EASILY........................................................................................................................................ 15
6. OIL SMELLS ...................................................................................................................................................................................... 15
7. DEFLOODING A FLOODED POT. ............................................................................................................................................... 15
8. OPERATING OIL FLOW RATES ................................................................................................................................................. 15
10. ROUTINE SER ICE MAINTENANCE. ................................................... 15
1. EVERY 4 WEEKS-:............................................................................................................................................................................. 15
2. AS REQUIRED -: .............................................................................................................................................................................. 15
3. EVERY EIGHT WEEKS -:................................................................................................................................................................ 15
4. EVERY 24 WEEKS-:.......................................................................................................................................................................... 15
5. ONCE PER YEAR-:............................................................................................................................................................................. 15
6. EVERY TWO YEARS -: .................................................................................................................................................................... 15
7. AS REQUIRED -: .............................................................................................................................................................................. 16
11. WARRANTY................................................................................ 16

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12. ITEMS NOT CO ERED BY WARRANY................................................... 16
DOOR GLASS.......................................................................................................................................................................................... 16
LABOUR COSTS. ................................................................................................................................................................................... 16
TRAVELING COSTS............................................................................................................................................................................. 16
CONSEQUENTIAL LOSS................................................................................................................................................................... 16
CONSEQUENTIAL DAMAGE............................................................................................................................................................ 16
If you have any difficulties please phone our technical help line on-:
13 2 74252 fax [phone]
E mail [e-mail].
www.oilstoves.co.uk

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1. . B BE EF FO OR RE E S ST TA AR RT TI IN NG G T TH HE E J JO OB B. .
FITTING OPTIONS.
There are normally three different situations that the
installer may be faced with-:
A new build installation.
An established boat installation, (which has not had a
oil stove fitted).
A replacement installation, where there has been a
solid fuel stove fitted previously.
Each of the situations will present differing problems
which will be-:
• Where to locate the stove.
• How to deal with fireplace design.
• Where to locate the oil tank.
• How to get an oil supply to the stove.
• How to fit the chimney.
• How to connect water to the stove.
• How to disconnect and remove the stove,
easily.
The new build situation should be the easiest.
The established boat situation will require careful
attention to the sighting of the stove in relation to
flue positions and existing fittings positions.
In replacement situations it may well be necessary to
blank off the existing through roof flue position and
cut a fresh one to suit the new location.
ABOUT THE STO E
The stove will provide space or combined space and
water heating.
There is a 3kW boiler version of the Corner Bubble
and there are 4 x 1" BSP female sockets for
connections to be made as required at either side of
the stove.
8. The boiler is high water content and suitable for
pumped or gravity systems, pressurised or open
vented, provided that they are correctly designed.
4. The stove incorporates a removable front apron,
which on manual ignition stoves is used to gain access
for lighting.
7. The stove must not be operated with the glass
front door opened or cracked, or without the lighting
port plug fitted.
8. The door glass may require light cleaning
occasionally depending upon the continuous running
time of the stove.
9. The stove must be securely bolted down so that it
can resist impact or collision and it must be level in
both directions.
3. The top of the stove can be used for warming and
cooking.
4. The stove can also be supplied with or without a coal
kit and also comes complete with a piece of internal
flue pipe.
3. Just like a solid fuel stove, coal effect will only be
available when the stove is running at maximum or near
maximum performance which is 4kW OR 14, B.T.U,
s PER HOUR.
5. Standard deck flanges and traditional chimney
extensions can use above deck.
OPERATING PRINCIPLES.
1. The stove is a space heater, which burns diesel oil in
a controlled manner utilizing a chimney to discharge
the products of combustion.
2. The stove generates heat from burning oil mixed
with air in a vaporizing pot located in the bottom of
the stove.
3. Once lit, oil goes into the pot at a steady and
controlled rate via gravity flow, metered by the OIL
CONTROL VALVE the oil flow can be controlled from
minimum to maximum or any setting in between
determined by where you set the oil flow control knob.
4. Air is sucked into the pot by the natural action of
the negative pressure in the chimney and to allow the
chimney to work correctly it is essential that you have
adequate, unrestricted ventilation into the area where
the stove is situated.
5. The amount of oil that can be successfully burned is
directly proportional to the amount of air that the
chimney can draw into the pot and so to achieve
adequate combustion a balanced and appropriate flow
of both oil and air is required.

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CONTROLS
The output of the stove is regulated by the amount of
oil allowed to go into it and this function is controlled
by the -:
OIL CONTROL VALVE (O.C.V.), which is situated at
the right hand side of the stove, behind the right
hand side panel.
Turning the knob anti clockwise controls the oil flow.
The knob is located at the top right hand side of the
stove and is calibrated from off position (fully
clockwise) through 6 graduations to maximum.
Controls for the stove will vary, depending on which
valve is fitted to it.
The valve could be a ships valve or a Toby valve.
The control for the dry stove comprises-:
1. Oil flow control only. (Ships Valve)
The boiler version has extra controls which are-:
1. Oil flow control
2. Oil valve trip lever
3. Thermostat control
4. Safety Stat reset control
The Toby oil control valve used on boiler stoves has a
built in, non electric, modulating thermostat control,
which will put the fire on to low fire when the target
temperature has been achieved.
In addition to this there is also a similar safety stat,
which will shut the burner down, should the water
exceed 8 deg C.
The safety stat re set control is lifted to reset the
valve, should the stat trip.
The Toby valve has to be tripped into action by lifting
the trip button at the left hand side of the control
panel.
The flow of oil into the pot can be adjusted via the
knob on top of extension rod rising up from the oil
control valve.
8. With the increased flow of oil, extra heat is
generated, which in turn stimulates the chimney to
work harder and consequently draw more air into the
pot to maintain an adequate fuel air ratio.
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2. . S SA AF FE ET TY Y. .
Take care to make sure that safety and ventilation
issues are adequately addressed.
FUMES
Here are the main causes of fume or smoke to leak
from the stove.
• The chimney is blocked.
• There are too many bends in the chimney.
• The above deck chimney extension is not high
enough.
• The boat is moored in a position near to high
buildings or trees and downdraughting is
occurring.
• The chimney is not airtight.
FIRE
Fire can be caused by a variety of potential danger
points and because of the space limitation on boats;
this risk is ever present and must be adequately
assessed.
The main danger is the effects of heat from the stove
on combustible materials and boat occupants.
Make sure that all combustibles are adequately
protected from the effects of heat radiation.
The stove must stand on a fireproof base of minimum
thickness 25mm
Floors in front of the stove must have suitable fire
protection.
The stove has built in rear side heat shields and when
the stove is positioned in a suitable location there
must be a space of 25mm clearance beyond the outer
heat shield, to allow air to rise up and around both
shields.
Space above the heat shields must be left clear to
allow the heat to rise.
Do not remove the heat shields under any
circumstances.
BURNS
During normal, day-to-day use, many parts of this
stove, pipe work, and chimney can become too hot to
touch.

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Where necessary, we recommend that suitable guards
be fitted, to provide adequate protection from the
heat generated by the stove. Fireguards must comply
with BS6539.
Always use heatproof gloves when working on or near
to a hot stove.
CLEARANCES
Combustibles must be a minimum distance of 2 mm
above the top of the stove (vertical clearance) and
3 mm in front of the stove (horizontal) see FIG 1.
Any combustible material within these distances from
the stove must be protected by a suitable heat shield.
Protection can be gained by the use of -:
• Sheet metal heat shields and spacers.
• Heat resistant boards.
Combustible materials can be-:
• Wooden furniture.
• Curtains.
• Wooden panels or frames adjacent to the flue
pipe or where it passes through the deck of
the boat.
• Carpet or flooring close to the stove.
• Items near to the stove, which could fall onto
it and ignite, should the boat suffer a slight
impact.
ENTILATION.
Ventilation plays a vital role in the fitting and sighting
of any stove.
The provision of ventilation for this stove is
adequately covered by the requirements of the boat
safety scheme.
25 cm2 minimum permanent ventilation, directly to
outside air, must be provided for this stove.
WARNINGS
Never try to relight a hot stove; wait until it has
cooled down.
Hot oil vapour is explosive.
Never try to light a flooded pot.
When attempting to light a stove, make sure that the
pot is not flooded with oil by looking into the base of
the burner.
If it is flooded remove the excess oil as per
instructions in the faultfinding section.
The stove must be securely fastened down so that it
can resist impact or collision and it must be level in
both directions.
The stove must not be operated with the glass front
door opened or cracked, or without the lighting port
plug fitted.
Qualified persons can only install unvented plumbing
systems.
A suitable and serviceable fire extinguisher should
always be readily accessible.
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3. . C CH HI IM MN NE EY Y
This is the one of the most interesting problems the
installer has to deal with and as the chimney affects
most aspects of running the stove, we take time here
to list the following information for your
consideration.
The power, ( suck or vacuum the chimney can develop )
depends upon the following-:
THE HEIGHT.
THE DIAMETER.
THE TEMPERATURE OF THE GASSES IN IT.
THE RESISTANCE OF THE INNER SURFACE OF
THE FLUE PIPE OR PIPES.
It is obvious that on a boat all the above elements are
in short supply.
Normally, we have low flues which are small in
diameter and generally not very well insulated, coupled
with all these problems we have an other one, which is
that the boat moves across constantly changing
surroundings, through locks, into headwinds and
crosswinds, all creating major opportunity for down
draughting to occur.
Any bend in any part of the chimney or roughness on
the internal chimney wall will slow down the velocity of
rising gases and reduce the effectiveness of the
chimney.
Any slight reduction in the flue gas temperature will
reduce the chimney vacuum or pull, hence when the
stove is slowed down for all night burning, as the flue
gas cools down the chimney vacuum reduces and as the

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chimney vacuum drops, the stove may well start to
burn sooty. This problem is highlighted even more
during very cold weather when the chimney can cool
down even faster.
THE CHIMNEY RULES.
1. Always use a top outlet for flue pipe take off.
2. Never put any bends in the flue. (To maintain a
concentric fit, we will allow a slight kick off
the stove and a similar kick into the deck
flange).
3. Always try to get the stove as low as possible
in the boat, this will allow installation of
maximum length flue pipe.
4. Always have two double walled, above deck
extensions, short for cruising and long (28inch
minimum) for mooring. Insulated extensions
are a thing of the future but it is possible to
fill the space using a vermiculite and cement
mix sealed off with flexible fire putty.
5. Fit a rotary swinging cowl to each extension or
make one interchangeable.
6. Clean or have the chimney cleaned regularly.
(Frequency depends upon type of fuel and
length of time used).
Don’t phone in and ask for dispensations on the rules.
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4. . F FU UE EL L S SU UP PP PL LY Y. .
PREAMBLE
There are several problems relating to diesel fuel
supply, which need be adequately addressed.
WAXING
Cold weather waxing or thickening alters the flow
characteristics of diesel.
An adequate fuel feed supply can turn into an
inadequate one when the temperature starts to fall.
The worst scenario is fuel feed pipe 5 -6 feet long in
8mm dia pipe.
The best-case scenario is a fuel pipe 4 feet long in
1 mm dia with insulated lagging.
TRIM
A minimum pressure head of out 8" is required.
This head is measured from the base of the oil tank to
the top of the oil control valve. In some cases this
head can be affected by the ballast or trim of the
boat.
Take great care to try out all the different ballast
and trim possibilities to make sure that adequate oil
feed is always available at the outlet end of the fuel
pipe before it enters the oil control valve at the stove.
TANK
If the stove is fitted at the bow of the boat, a bow
tank is recommended.
The tank should comply with the requirements of the
boat safety scheme and have-:
• A conveniently sized filler
• A means of venting.
• A conveniently located, easily visible, contents
gauge.
• An isolation valve
• An easily replaceable cartridge filter.
Do not use glass filter bowls, they are not acceptable
under the boat safety scheme.
Always add a suitable proprietary antifreeze additive
to the stove fuel for wintertime running.
OIL LINE
The oil feed line starts after the fuel filter and
proceeds to the point of entry, which is where the oil
line goes into the cab or saloon of the boat.
The diameter of the oil line is dependant upon the
length of run. See 3-2 on waxing and make sure that
you have suitably sized compression fittings available.
At this point it is necessary to fit a remote sensing
fire valve, designed to shut off the oil supply, should a
fire occur near to the stove.
If the bubble stove is fitted up to the first bulkhead
it will be necessary to fit the isolation valve outside
the cabin or saloon of the boat.
WATER CONTAMINATION
Because of the high risk of fuel contamination with
water, we strongly recommend the fitting of a high
volume water trap in the oil supply line.

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REMOTE SENSING FIRE AL E
The fire valve has a capillary tube on the end of which
is a temperature sensitive phial, run the capillary tube
with the oil line up to the stove and carefully fit the
sensing phial 15mm pipe clips in front of the drip tray
on the fireplace hearth, directly in front of the
combustion air restrictor.
Before it is fitted try the fender on the stove to
make sure that the fender does not fowl the sensing
phial.
The sensing phial may be visible through the bottom of
the fender, to mask it, paint it with matt black paint
available from our sales desk.
When fitting the fire valve make sure that where the
capillary and oil line go through the bulkhead in
separate sleeved tubes, so that the capillary can be
withdrawn separately should it ever need replacing.
For fitting of long oil feed lines which pass through
bulkheads and various other parts of the boat it may
well be necessary to fit more than one fire valve,
especially where the oil line passes through an area
where a fire could occur i.e. kitchen area etc.
ISOLATION AL ES.
Two isolation valves are required, one fitted directly
into the oil control valve to allow you or the service
man to turn the oil off should the need arise, and one
on the oil tank fitted before the filter.
SLEE ING.
Where the oil line goes through the boat
superstructure a suitable sleeve must be fitted and
sealed with a suitable sealant.
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5. . F FI IR RE EP PL LA AC CE E. .
Try to use materials, which are easy to keep clean and
fireproof such as tiles, asbestolux or vermiculite
boarding.
The hearth must be-:
FLAT - SECURE - FIREPROOF AND LEVEL IN BOTH
DIRECTIONS.
The vertical walls of the fireplace must be fireproof,
suitable materials would be tiles, asbestolux sheet,
compressed vermiculite board.
The stove has a base plate, which is designed to do
two jobs,
• It acts as a drip tray to catch any oil spill.
• It acts as a spacer to set the stove at a
suitable distance from the vertical walls of the
fireplace to allow adequate cooling air to flow
around the oil valve.
It is important to fix the base tray down to the
hearth but don’t drill through it as this will allow oil to
leak from it should a spill occur. Clips to go over the
top of the up stand are provided for this job.
If required, we can provide a purpose made fireplace
for this job.
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6. . F FI IT TT TI IN NG G D DR RY Y S ST TO O E ES S. .
SELECT LOCATION.
FIT OIL TANK.
RUN OIL LINE.
TRIAL FIREPLACE ASSEMBLY.
TRY STO E IN POSTION.
ESTABLISH FLUE POSITION.
MARK AND CUT ROOF PLATE.
FIT DECK FLANGE.
FIT FIRESTOP SPACER.
FIT CEILING PLATE.
TRIAL FIT FIRE.
TRIAL FIT E ERYTHING ELSE.
IF IT ALL FITS REFIT IT PERMANENTLY.
SELECT LOCATION.
The stove can be located in any suitable corner.
It and the flue system must be securely fastened, so
as to withstand the normal day-to-day situations,
which will be encountered in a narrow boat.
These could be-:
• Impact by other vessel.
• Impact into lock gate.

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• The pitching and rolling effects of inland
water sailing.
• Etc.
There are two angle brackets provided with the stove,
which hook over the front lip of the base tray and are
screwed down to the hearth.
The location must have adequate protection from the
effects of radiated and conducted heat as specified in
section 4 and FIG1.
FIT OIL TANK.
The oil tank will be fitted in the bow area and must
comply with the requirements of the boat safety
scheme.
See schematic FIG 4.
RUN OIL LINE.
Run the oil line and fit all the required components as
described in sec 4 and shown in FIG 4.
TRIAL FIREPLACE ASSEMBLY.
The oil line and the fire valve sensor will have to pass
through the fireplace, make sure that you make
adequate provision for this and the remote sensing
fire valve.
TRY STO E IN POSTION.
Try the stove in position and make sure that the oil
feed and remote sensing fire valve fit as required.
ESTABLISH FLUE POSITION.
Normally the stove will be fitted in a corner, in a
suitable fireplace, this will predict the angle at which
the flue pipe will have to be fitted.
The flue pipe will normally run at a slight angle to allow
it to terminate through the ceiling, in a suitable
position.
It is important to make sure that the flue fits
concentrically at both the stove end and as it passes
through the fire stop spacer and deck flange.
To achieve this the pipe will have to be marked out,
notched and re-welded. Make a template to work from.
When final fitting of the flue pipe occurs, make sure
that the decorative top frame is fitted to the stove,
before the final fixing.
MARK OUT AND CUT THE ROOF PLATE.
FIT DECK FLANGE.
If you are going to use a standard deck flange for 6-
inch extensions you will have to cut off the lower
extension with a grinder to allow fitting of the fire
stop spacer.
The deck flange will be fitted as illustrated in FIG 2.
It will be bolted to the roof plate with a seal of
silicone rubber applied between the joint.
The flue pipe provided with the stove will be marked
and trimmed off 1 mm below the top of the deck
flange to allow the flexible fire-cement to be
flaunched into a suitable taper.
The glass fibre rope will be wrapped around the flue
pipe and gently pressed down on to the fire stop
spacer, allow 1 mm at the top of the joint and pack
the gap with the flexible fire cement which will form a
seal.
The deck flange will form the base for the traditional
chimney extension to be fitted.
FIT FIRESTOP SPACER.
The fire stop space will be fitted in between the deck
flange and the ceiling plate concentric to the flue
access hole cut in the roof plate of the boat.
It will provide heat protection for any combustible
materials located near to the through roof location.
The centre hole is cut deliberately undersize to
accommodate differing flue sizes and angles.
It will be necessary to open up the centre hole to fit
the flue pipe; this can be done by using the flue pipe
as a template and carefully marking round it.
File the excess material away with a rough rasp. (Do
this a little at a time to make sure that a good fit is
achieved.)
The top surface of the spacer may also need trimming
to provide a snug fit up to the inner surface of the
roof steelwork.
FIT CEILING PLATE.
The ceiling plate will be fitted inside the boat to finish
off the through roof fitting of the flue pipe.
It will be screwed up to the trimming timber via 4
countersunk wood screws.