Charnwood Electric Heater LA30iB User Manual

CHARNWOOD  
LA30iB  
Roomheater With Boiler  
Operating  
and  
Installation Instructions  
Bishops Way, Newport, Isle Of Wight, PO3O 5WS, U.K.  
Tel: (01983) 527552 Fax: (01983) 821267  
 
CHARNWOOD LA30iB  
Operating  
and  
Installation Instructions  
Contents  
Operating Instructions  
General Points ...................................................3  
Fuels...................................................................3  
Door Operation..................................................3  
Lighting..............................................................3  
Controlling The Fire .........................................3  
Running The Fire With The Doors Open .......4  
Heating System..................................................4  
Ash Clearance....................................................4  
Riddling..............................................................4  
Refuelling...........................................................4  
Overnight Burning.............................................4  
Throat Plate & Flueway Cleaning ...................5  
Maintenance.......................................................5  
Chimney Sweeping............................................5  
Trouble Shooting...............................................6  
Installation Instructions  
Health & Safety Precautions ............................7  
Performance.......................................................7  
Chimney.............................................................7  
Hearth.................................................................7  
Preparation Of Fireplace ..................................7  
Central Heating System....................................8  
System Controls ................................................8  
Fitting The Fire .................................................8  
Flue Connection & Infilling.............................8  
Thermostat.........................................................9  
Assembly............................................................10  
Pre-Lighting Check ...........................................10  
Commissioning..................................................10  
Freestanding Kit................................................10  
Overall Dimensions...........................................11  
Exploded Parts Drawing...................................12  
Bishops Way, Newport, Isle Of Wight, PO3O 5WS, U.K.  
Tel: (01983) 527552 Fax: (01983)821267  
 
 
OPERATING INSTRUCTIONS FOR THE  
CHARNWOOD LA30iB  
The above fuels are all suitable for  
use in smoke control areas. In  
non-smoke control areas other fuels  
may also be burnt. For instructions on  
burning other fuels please ask your  
supplier for the ëëCharnwood  
GENERAL POINTS  
CONTROLLING THE  
FIRE  
Before lighting the fire 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, is sound, and free from  
any obstructions.  
The rate of burning and hence the  
output is controlled by the control  
knob on the left hand side of the  
appliance, shown in Fig. 1. This is  
linked to a thermostat which controls  
the boiler temperature. The number at  
the top of the knob is the number at  
which it is set. Some experimentation  
may be necessary to obtain the  
desired heat output.  
Multifuel Instruction Supplementíí.  
PETROLEUM COKE IS  
NOT SUITABLE FOR USE  
ON THIS APPLIANCE, ITS  
USE WILL INVALIDATE  
THE GUARANTEE  
WARNING There must not be an  
extractor fan fitted in the same room  
as this appliance as this can cause the  
appliance to emit smoke and fumes  
into the room.  
At first you may find it helpful to try  
several fuels to find the most suitable.  
If you are unable to obtain the fuel  
you want ask your supplier, an  
approved fuel distributor, or the Solid  
Fuel Association (tel. 0800 600 000)  
to suggest an alternative.  
If the appliance is fitted in place of  
an open fire then the chimney should  
be swept one month after installation  
to clear any soot falls which may  
have occurred due to the difference in  
combustion between the appliance  
and the open fire.  
When using the fire in situations  
where children or infirm people are  
present please use a fire guard to  
prevent accidents. The fire guard  
should be manufactured in  
DOOR OPERATION  
Use the spanner type tool to open and  
close the doors. Turn the knob on the  
right hand door anti-clockwise to  
open and clockwise to close. When  
closing the doors do not push on the  
enamel with the tool as this can chip  
the enamel, instead push the doors on  
the door knobs.  
accordance with BS 6539.  
This appliance has been designed to  
conform with BS.3378. It has  
obtained the approval of HETAS Ltd.  
(formerly DSFAAS Ltd.) for burning  
the following smokeless fuels.  
Control  
Knob  
LIGHTING  
Place some paper and dry kindling  
wood or fire lighters on the grate and  
cover with a small amount of fuel.  
Turn the thermostat control knob to  
the maximum setting and light the  
paper or fire lighters. Close the doors  
and allow the fire to burn until the  
fuel is well ignited then load with  
more fuel and adjust the thermostat to  
the required level.  
FUELS  
HETAS Ltd. approval only covers the  
use of the following smokeless fuels  
on this appliance:  
Air Inlet  
Damper  
Ancit,  
Anthracite Large Nuts,  
Centurion,  
Fig. 1. Thermostat Control  
Cosycoke,  
Extracite,  
Maxibrite,  
Phurnacite,  
Sunbrite Doubles,  
Welsh Dry Steam Coal (Large Nuts).  
On initial lighting, the appliance may  
smoke and give off an odour as the  
silicon paint with which the firebox is  
painted reacts to the heat. This is  
normal and will cease after a short  
time. In the meantime the room  
should be kept well ventilated.  
There is also a manual secondary air  
control which is located above the  
door opening as shown in Fig. 2. To  
adjust the setting, open the doors and  
use the door opening tool to move the  
flap to the desired position. This  
control should be in the closed  
HETAS Ltd. approval does not cover  
the use of other fuels either alone or  
mixed with the above fuels, nor does  
it cover instructions for the use of  
other fuels.  
Before relighting the fire, riddle,  
remove any clinker from the firebed  
and empty the ashpan.  
position when burning any of the  
recommended fuels except for  
Page 3  
LA30iB 3.99  
 
anthracite, or homefire which should  
be burnt with the secondary air inlet  
open.  
radiators and domestic hot water. The  
automatic controls (other than  
thermostatic radiator valves) will  
switch the pump (and hence the  
radiators) on and off. Your installer  
will be able to explain the controls  
fitted to your system and how to  
operate them.  
After riddling, the grate should be put  
back into the solid fuel position (the  
tool should be horizontal).  
RUNNING THE FIRE  
WITH THE DOORS  
OPEN  
REFUELLING  
Keep the firebox well filled (the fuel  
may be sloped up from the front  
firebars), but do not allow fuel to  
spill over the top of the front fire  
bars. Take care that fuel does not  
project over the front fire bars or  
damage to the glass may be caused  
when the doors are closed. If any  
pieces of fuel have been inadvertently  
loaded onto the top of the throat  
plate, then remove them using the  
scraper tool.  
The fire may be run with the doors  
open. This will result in a reduction  
in efficiency and hence heat output,  
particularly to the boiler. The more  
reactive fuels, like homefire, will  
burn better when the doors are open  
than fuels like phurnacite, sunbrite  
and ancit.  
ASH CLEARANCE  
The ashpan should be emptied  
regularly before it becomes too full.  
The most convenient time to remove  
the ash is just before riddling the fire  
since the ash will then be at itís  
coolest. Use the tool provided to  
remove the ashpan.  
For safety reasons if the fire is to be  
left unattended with the doors open  
then use a spark guard which  
complies with BS 3248.  
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 bars.  
Ensure that the air inlet damper is not  
prevented from closing by spilled fuel  
or ash.  
OVERNIGHT  
BURNING  
Empty the ashpan, if necessary, and  
then riddle the fire. If the fire is very  
low then it may be necessary to add a  
little fuel and turn the thermostat  
control up to maximum for a brief  
period until the fire is burning  
Open  
Care should be taken to ensure that  
ash is cool before emptying it into  
plastic liners or bins.  
Secondary Air  
Flap (shown  
closed)  
To make ash removal easier there is a  
special Charnwood ash carrier  
available. This may be purchased  
from your supplier or, in case of  
difficulty, from ourselves.  
RIDDLING  
Riddling twice a day is usually  
sufficient.  
The fire should be riddled with all  
doors shut. Place the tool on the knob  
and rotate between the horizontal and  
the 45° position several times as  
shown in Fig. 3.  
Do Not Go Beyond  
45° Position  
When Riddling  
Fig. 2. Secondary Air Control  
Caution: when riddling the grate  
using solid fuel do not go beyond the  
45° position as this can cause the  
grate to jam.  
Riddle Between  
Horizontal&  
45° Positions  
HEATING SYSTEM  
If jamming does occur then the fire  
should be allowed to burn for  
approximately half an hour before  
riddling the grate again as described  
above.  
The heating system controls may  
consist of time switches, room  
AfterRiddling  
Move Tool  
To Horizontal  
Position  
thermostats, outdoor temperature  
thermostats and thermostatic radiator  
valves in virtually any combination.  
These will work in conjunction with  
the thermostat control on the fire. The  
thermostat on the fire will simply  
control the temperature of the boiler  
and hence the temperature of the  
Too much riddling can result in  
emptying unburnt fuel into the ashpan  
and should therefore be avoided.  
Clinker should regularly be removed  
from the firebed.  
Fig. 3. Grate Operation  
Page 4  
LA30iB 3.99  
 
brightly before filling with fuel. If the  
central heating pump is off overnight  
then the thermostat may be left at the  
same setting for both day and night  
operation. If the central heating pump  
is on overnight then set the thermostat  
control to give the required level of  
heating.  
Cleaning the Glass  
The glass in the doors is a special  
ceramic glass which is able to  
CHIMNEY SWEEPING  
The chimney should be swept at least  
twice a year. In most installations it  
will be possible to sweep the chimney  
through the appliance.  
withstand high temperatures. Before  
cleaning the glass open the doors and  
allow them 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. Some  
deposits on the glass may be burnt off  
simply by running the fire at a fast  
rate for a few minutes. Do not use  
abrasive cleaners or pads as these can  
scratch the surface which will weaken  
the glass and cause premature failure.  
Aerosol spray cleaners should not be  
used near the appliance whilst it is  
under fire.  
First remove the front firebars and the  
throat plate. Then sweep the chimney  
ensuring that soot is removed from all  
horizontal surfaces after sweeping.  
Some experimentation may be  
necessary to find the setting most  
suitable for the particular fuel used  
and the draw on the chimney.  
In situations where it is not possible  
to sweep through the appliance the  
installer will have provided  
alternative means, such as a soot  
door. After sweeping the chimney,  
the appliance flue outlet and the flue  
pipe connecting the fire to the  
chimney must be cleaned with a flue  
brush.  
For overnight burning the fire doors  
must be closed.  
To revive the fire, empty the ashpan  
if necessary, riddle, and turn the  
thermostat control knob to maximum.  
When the fire is burning well load on  
more fuel as necessary and turn the  
control knob to the desired setting.  
When not in use  
After clearing any soot from within  
the fire, replace the throat plate and  
the front firebars.  
If the fire is going to be out of use  
for a long period, (for instance in the  
summer,) then to prevent condensa-  
tion, and hence corrosion, the  
thermostat should be left at the  
maximum setting and the main doors  
left ajar. It is also advisable to sweep  
the chimney and clean out the fire.  
Spraying the inside of the doors and  
firebox with a light oil, such as  
WD40, will also help to keep all  
internal parts working well.  
THROAT PLATE AND  
FLUEWAY CLEANING  
Different types of sweepís brushes  
are available to suit different  
flueways. For standard brick  
chimneys a wire centre sweepís brush  
fitted with a guide wheel is  
recommended. For prefabricated  
insulated chimneys the manufacturers  
instructions with regard to sweeping  
should be consulted.  
It is important that the throat plate  
and all the appliance flueways are  
kept clean. They should be cleaned at  
least monthly, and more frequently if  
it if found necessary.  
The throat plate and flueways may be  
cleaned with a low fire still burning.  
Use the scraper tool to scrape any  
sooty deposits to the front of the plate  
until they fall off into the fire. Ensure  
that soot deposits are not allowed to  
build up on the side boiler faces  
because if the throat plate becomes  
tight between the faces this can cause  
it to fail prematurely.  
After long periods where the fire has  
been out of use, the chimney and  
appliance flueways should be cleaned  
before lighting.  
BOILER REDUCTION  
BRICK  
The optional boiler reduction brick  
may be used when reduced outputs  
are required, e.g. during the summer  
or when the fire is fitted on to a small  
heating system.  
Door Seals  
For the fire to operate correctly it is  
important that the door seals are in  
good condition. Check that they do  
not become worn or frayed and  
replace them when necessary.  
More soot will be deposited on the  
throat plate and in the flueways if the  
appliance is run at low levels for long  
periods. If this is the case then more  
frequent cleaning will be necessary.  
To fit the brick, let the fire out, clear  
the grate of any ash and fuel, and  
scrape the boiler faces clean. Lift out  
the deepening bar and front firebar.  
Fit the brick into the fire with the  
thick part of the brick at the bottom  
and the sloping face at the front as  
shown on the parts list. Push the  
brick hard up against the rear face of  
the boiler. The brick should rest on  
the side fireplates and should be clear  
of the grate bars. Replace the front  
firebar and deepening bar.  
Servicing  
It is recommended that the fire is  
serviced once a year to keep it in first  
class working order. After cleaning  
out the firebox thoroughly, check that  
all internal parts are in good working  
order, replacing any parts that are  
beginning to show signs of wear.  
Check that the doors seals are in  
good condition and that the doors  
seal correctly. Check the operation of  
the thermostat, both when cold and  
hot. A servicing guide, TIS 48. is  
available on request.  
MAINTENANCE  
Cleaning  
The appliance is finished in vitreous  
enamel. To clean the surfaces simply  
wipe over with a dry cloth. Abrasive  
pads and scouring cleaners must not  
be used as these will damage the  
finish. Care should be taken not to  
knock the enamel with hard objects  
as it will chip.  
As the brick is not cemented into  
position, fitting and removing it  
should only take a few minutes.  
Page 5  
LA30iB 3.99  
 
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.  
TROUBLE SHOOTING  
Fume Emission.  
Warning Note: Properly installed  
and operated this appliance will  
not emit fumes. Occasional fume  
from de-ashing and re-fuelling may  
occur. Persistant fume emision is  
potentially dangerous and must not  
be tolerated. If fume emission does  
persist then the following  
Fire Will Not Burn.  
Check that:  
a) the air inlet is not obstructed in  
any way,  
b) chimneys and flueways are clear,  
c) a suitable fuel is being used,  
d) there is an adequate air supply into  
the room,  
e) an extractor fan is not fitted in the  
same room as the fire.  
After a chimney fire the chimney  
should be carefully examined for any  
damage. Expert advice should be  
sought if necessary.  
Lack of Heat To  
Radiators / Hot Water  
immediate actions should be taken:  
A) Open doors and windows to  
ventilate the room.  
Check that:  
a) the fire is burning properly - if not  
then carry out the checks under "Fire  
Will Not Burn".  
b) the throat plate is fitted correctly  
(see Fig. 4.) and that it is not  
distorted.  
B) Let the fire out and safely  
dispose of fuel from the appliance.  
C) Check for flue or chimney  
blockage, and clean if required.  
D) Do not attempt to relight fire  
until cause of fume has been  
identified, if necessary seek  
professional advice.  
Fire Blazing Out Of Control.  
Check that:  
a) the doors are tightly closed,  
b) the thermostat knob is turned down  
to the minimum setting,  
c) the air inlet damper is closed (at  
the bottom left of the appliance), and  
that it is not prevented from closing  
completely by a piece of ash,  
d) a suitable fuel is being used,  
e) the door seals are in good  
condition.  
c) the door seals are in good  
condition.  
d) If the hot water goes cold when  
the pump is turned on, or if some  
radiators are hotter than others, then  
the system may need balancing, the  
pump may be pumping the water too  
quickly around the system, or the  
radiators may need bleeding. Please  
ask your installer to check these  
points.  
The most common cause of fume  
emission is flueway or chimney  
blockage. For your own safety these  
must be kept clean.  
Freezing  
Over-Firing  
Do not light the fire if there is any  
possibility that any parts of the  
system may be frozen.  
If the fire is over-fired it will cause  
premature failure of the internal fire  
parts. Overfiring is occurring when  
any internal parts of the fire begin to  
glow red. To prevent over-firing  
ensure that:  
a) the door seals are kept in good  
condition, and that the doors are  
sealing correctly,  
e) Ensure that the boiler reduction  
brick has not been fitted when it is  
not required.  
Chimney Fires.  
If the chimney is thoroughly and  
regularly swept, chimney fires should  
not occur. However, if a chimney fire  
does occur turn the control knob to  
the minimum setting, and tightly close  
the doors of the appliance. This  
b) the thermostat on the fire is  
working correctly,  
should cause the chimney fire to go  
out in which case the control should  
be kept at the minimum setting until  
the fire in the appliance has gone out.  
The chimney and flueways should  
c) a suitable fuel is being used,  
d) the fire is not fitted onto a heating  
system which is too large.  
Page 6  
LA30iB 3.99  
 
INSTALLATION INSTRUCTIONS FOR THE  
CHARNWOOD LA30iB  
output to water as shown in Fig. 4.  
This means that if the water heating  
load is less than the rated output then  
the room heating will be reduced by  
the same proportion. This must be  
borne in mind when calculating the  
heating requirements.  
the chimney then a lining suitable for  
Solid Fuel must be used.  
HEALTH AND SAFETY  
PRECAUTIONS  
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  
Please take care when installing the  
appliance that the requirements of the  
Health and Safety at Work Act 1974  
are met.  
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.  
CHIMNEY  
Building Regulations.  
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  
appliance to the top of the chimney.  
The chimney should preferably be  
Single wall flue pipe is suitable for  
connecting the fire to the chimney but  
is not suitable for using for the  
complete chimney.  
If there is a possibility of disturbing  
any asbestos in the course of  
installation then please use  
appropriate protective equipment.  
If it is found that there is excessive  
draw in the chimney then a draught  
stabilizer should be fitted.  
There must not be an extractor fan  
fitted in the same room as the fire as  
this can cause the appliance to emit  
fumes into the room.  
Boiler  
Output  
(kW)  
HEARTH  
6.0  
4.0  
2.0  
The appliance must be installed on a  
fireproof hearth and must be situated  
at least 300 mm (12 inches) from any  
combustible material. The positioning  
of the appliance 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  
appliance by at least 300 mm (12  
inches) and to the sides of the  
appliance by at least 150 mm (6  
inches). If in doubt as to the  
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. This is  
particularly necessary if the room is  
double glazed.  
Output withboiler  
reduction brick  
fitted  
In addition to these instructions the  
requirements of BS:8303 and  
BS:6461 Pt 1&2; 1984 must be  
fulfilled. Local Authority Byelaws  
and Building Regulations regarding  
the installation of Solid Fuel burning  
appliances, flues and chimneys must  
also be observed.  
0
1.0  
2.0  
3.0  
Space Output(kW)  
Fig.4. Performance Chart  
positioning of the appliance expert  
advice should be sought either from  
the supplier or the local building  
inspector.  
175 mm (7 inches) or 200mm (8  
inches) internal diameter or square  
with sides of 175mm or 200mm  
internally and MUST NOT BE LESS  
THAN 150mm (6 INCHES)  
PERFORMANCE  
PREPARATION OF  
FIREPLACE  
The rated output for the LA30iB is  
6.1 kW (20,800 btu/h) to water and  
2.7 kW (9,200 btu/h) to the room.  
These are the outputs obtained during  
testing in accordance with BS 3378  
burning Sunbrite Doubles with the  
doors closed over a 4 hourly  
INTERNAL DIAMETER OR 150 x  
150mm INTERNAL SQUARE.  
Before fitting the appliance into an  
existing fireplace remove the fireback  
and any loose in-fill material.  
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  
(eg. greater than 250mm x 250mm).  
If you find that the chimney is in  
poor condition then expert advice  
should be sought regarding the  
The hearth, surround and opening for  
the appliance must conform with  
Figs. 5 and 6. The flat area around  
the opening must be a minimum of  
750 mm wide and 660 mm high.  
Ensure that the hearth and the base in  
the opening are flat, level, and at  
right angles to the surround.  
re-fuelling interval.  
If the optional boiler reduction brick  
is fitted and the deepening bar  
removed then the output is reduced to  
3.0 kW (10,200 btu/h) to water and  
2.1 kW (7,100 btu/h) to the room.  
necessity of having the chimney  
lined. If it is found necessary to line  
The heat output to the room is  
directly proportional to the heat  
Make two holes in the chimney  
Page 7  
LA30iB 3.99  
 
breast, one in the front to give access  
for infilling and fixing the flue pipe,  
and one in the side to give access for  
the pipework.  
work in conjunction with the  
thermostat on the appliance and the  
minimum return thermostat.  
We recommend fitting a pipe  
thermostat onto the gravity return and  
wiring it into the mains supply to the  
pump so that if the gravity return  
temperature drops below 45°C then  
the pump will cut out. This will help  
to prevent condensation forming on  
the boiler faces and will thereby  
increase the life of the boiler. Use of  
a minimum return thermostat also  
ensures that priority is given to the  
domestic hot water. These  
CENTRAL HEATING  
SYSTEM  
The central heating system must  
comply with BS:5449 part 1.  
This Dimension Is The  
Minimum Level Area  
Required To Enable The  
DoorsTo BeOpened.  
If the system is to be a combined  
heating and domestic hot water  
system then a double feed indirect hot  
water storage cylinder to BS:1566  
part 1 should be used. In order to  
prevent the build up of scale and  
corrosion a suitable inhibitor should  
be used. The system must be  
For Overall Sizes Of  
Hearth SeeThe  
Section Titled "Hearth".  
405mm  
thermostats are available from  
ourselves if you are unable to obtain  
them locally.  
400mm  
Minimum  
correctly vented as shown in Figs. 7  
and 8. The height differential between  
the header tank and the appliance  
must not exceed 15.2 metres (50  
feet).  
Fig. 5. Limiting Dimensions  
of Hearth  
FITTING THE FIRE  
In some cases it may be necessary to  
place the connecting flue pipe in the  
chimney before fitting the fire into  
the fireplace.  
If all four boiler tappings are used  
then, if possible, diagonal pairs  
should be connected for domestic hot  
water and central heating. Where a  
common return is used an injector tee  
must be incorporated into the system  
as shown in Fig. 9. This will ensure  
that a good domestic hot water supply  
is maintained when the central  
The shaded area onthe face of  
the surround is the minimum flat  
area required.  
Apply fire cement to the rear face of  
the sealing flange on the appliance.  
Fit the appliance into the opening  
ensuring that it is central and that a  
good seal is made between the  
sealing flange and the face of the  
surround.  
750mm  
B
660 mm  
heating pump is operating.  
A
Remove any excess fire cement from  
around the sealing flange.  
The system must incorporate a  
gravity circuit which will normally  
heat the domestic hot water and an  
unvalved radiator with an output of at  
least 0.75 kW. When the appliance is  
not connected to a domestic hot water  
system the unvalved radiator(s) on the  
gravity circuit must have an output of  
at least 1.0 kW. This is to prevent  
boiling in case of pump failure.  
The fire should be screwed to the  
hearth through the holes at the base  
of the sealing flange.  
Dim.A:  
Max.470mm(18- 1/2")  
Min.405mm(16")  
Dim.B:  
Max.575mm(22- 2/3")  
Min.555mm(21- 3/4")  
Connect the heating system to the  
boiler ensuring that the primary flow  
pipe rises from the fire. Fill the  
system with water and check for  
leaks.  
Fig. 6. Limiting Dimensions  
of Surround and Opening  
If the boiler reduction brick is fitted  
then the appliance may be used for  
room heating and supplying domestic  
hot water without the need for a  
gravity radiator.  
FLUE CONNECTION  
AND INFILLING  
be reduced. Fig. 4. shows the ratio of  
space heating to water heating which  
can be expected.  
Make the flue connection with the  
special 150° elbow part no.  
010/AV12. Please note that this item  
is ordered separately from the  
appliance. The legs of the elbow may  
be cut on site to suit the chimney.  
Also note that the legs of the elbow  
are different lengths to enable some  
situations to be catered for by turning  
the elbow around.  
All pipework in the primary circuit  
must be 28 mm diameter and the  
gravity flow pipe must rise  
continuously from the boiler to the  
open vent. Two typical systems are  
shown in Figures 7. and 8.  
SYSTEM CONTROLS  
The circulating pump may be  
controlled by means of time switches,  
room thermostats or outdoor  
thermostats. Radiators may be either  
manually or thermostatically  
controlled. These controls will all  
If the fire is used to heat a small  
central heating system then the heat  
output to the room from the fire will  
The end of the flue pipe must line up  
Page 8  
LA30iB 3.99  
 
with the centre-line of the chimney,  
and must also extend to the point  
where the chimney narrows to its  
final size. Any large voids must be  
filled and flaunched to the flue pipe  
to ensure that all soot deposits can be  
cleared when the appliance is swept.  
22mm Open Vents  
Feed and Expansion Tank  
Overflow  
Cold Water Tank  
Overflow  
Domestic Hot Water Draw Off  
Ensure that the flue pipe is not  
obstructed or restricted in any way  
and that all joints are well sealed.  
Gravity Radiator  
Before infilling cover the front of the  
fire to protect it. Ensure that the flue  
pipe is central and then fill the space  
between the body of the fire and the  
structural brickwork with vermiculite  
(eg. micafil or similar) concrete.  
Ensure that there are no air pockets.  
The recommended mix is six volumes  
of vermiculite granules to one volume  
of portland cement thoroughly mixed  
together. Enough water should be  
added so that no more than one or  
two drops of water are released when  
a handful of the mixture is squeezed.  
Drain Cock  
Indirect Hot Water Cylinder  
Central Heating Flow  
Circulating Pump  
Central Heating Return  
MinimumReturn  
Thermostat  
Drain Cock at Lowest Point  
Fig. 7 Typical Central Heating and Hot Water System  
Using 4 Boiler Tappings  
22mm Open Vents  
Feed and Expansion Tank  
After filling with vermiculite flaunch  
the top of the flue connector pipe to  
the chimney with lime mortar.  
Cold Water Tank  
Overflow  
Overflow  
Make good the holes in the front and  
side of the chimney breast making  
sure that they are completely airtight.  
A typical installation is shown in  
Fig. 10.  
Domestic Hot Water Draw Off  
Gravity Radiator  
In most installations it will be  
possible to sweep the chimney  
through the appliance. If this is not  
possible then some alternative means  
(such as a soot door), must be  
provided.  
Drain Cock  
Indirect Hot Water Cylinder  
MinimumReturn Thermostat  
Circulating Pump  
Central Heating Flow  
The free-inset method of installation  
may be used instead of in-filling.  
Details are available on request.  
Central Heating Return  
Drain Cock at Lowest Point  
Injector Tee  
THERMOSTAT  
Fig. 8. Typical Central Heating & Hot Water System  
Using 3 Tappings  
Before lighting the fire check the cold  
setting distance of the thermostat.  
With the control knob at the  
Gravity Return  
(28mm Pipe)  
maximum setting the flap should be  
18 mm from the air inlet as shown in  
Fig. 11. To adjust the distance  
slacken the locking nut and adjust as  
necessary. When set correctly  
re-tighten the locking nut. Ensure that  
the flap opens and closes freely as the  
knob is turned.  
Common Return to Boiler  
(28mm Pipe)  
Central Heating Return  
Fig. 9. InjectorTee.  
Page 9  
LA30iB 3.99  
 
back of the grate must be in position  
and sitting correctly.  
ASSEMBLY  
Fit the side panels, hood and top grid  
onto the appliance. Instructions for  
this are enclosed with the panel pack.  
3. The throat plate must be fitted in  
the roof of the appliance.  
18mm  
Replace any internal parts previously  
removed.  
COMMISSIONING  
On completion of the installation and  
after allowing a suitable period of  
time for the fire cement and mortar to  
dry out, the fire should be lit and  
checked to ensure that smoke and  
fumes are taken from the appliance  
up the chimney and emitted safely.  
Also check all joints and seals.  
PRE LIGHTING  
CHECK  
Before initial lighting check the  
following points:  
1. The bottom grate bars must all be  
fitted and should move freely and  
easily when the riddling mechanism is  
operated.  
LockingNut  
The central heating pump should be  
adjusted to give the correct water  
flow against the circuit resistance and  
the system should be correctly  
balanced.  
Thermostat Flap  
Fig. 11. Thermostat Setting  
2. The plates round the sides and  
On completion of the installation and  
commissioning please leave the  
operating instructions with the  
Flaunching  
customer and advise on the use of the  
fire and any controls on the system.  
Take Flue Pipe  
Up To Narrowest  
Part OfChimney.  
FREESTANDING KIT  
150° Elbow  
Part No. 010/AV12  
A freestanding kit is available.  
Details of dimensions and outputs are  
available on request.  
Vermiculite  
150°  
Infill  
Fig. 10. Typical Installation  
Page 10  
LA30iB 3.99  
 
394  
154  
i/d  
59  
235  
Boiler tappings are 1" B.S.P. female.  
Two each side.  
FLUE  
C
L
150°  
619  
547  
506  
405  
265  
200  
235  
554  
120  
164  
Charnwood LA30iB  
Overall Dimensions  
(Dimensions are in mm)  
Page 11  
LA30iB 3.99  
 
Issue G  
CHARNWOOD LA30iB PARTS LIST  
48  
47  
49  
41  
32  
34  
18  
38  
31  
45 46  
36  
Freestanding Kit  
17 16  
40  
20 27 19 21 26 12  
7
5
37  
33a  
33  
42  
30  
15  
39  
14  
13  
Nuts, bolts, screws and  
clips are not shown for  
clarity.  
To obtain spare parts  
contact your local  
stockist giving model,  
part no. and  
description.  
In case of difficulty  
contact the  
28 29  
manufacturer at the  
address shown below.  
This drawing is for  
identification purposes  
only.  
23 19 25 24 24  
9
8
35  
11  
10  
Item Part No.  
Description  
Item Part No.  
Description  
1*  
2*  
3*  
4*  
5
008/RW35L  
008/RW35R  
008/RW35/S  
008/FW29  
006/RW18  
008/RW44/S  
004/EW23  
008/FW27  
008/BW39/S  
008/RW43/A  
002/BW12  
002/CG06  
002/BW20  
002/BW26  
008/BW50  
002/FW07  
002/FW08  
002/AV31  
L.H. Door Seal  
R.H. Door Seal  
26  
27  
28  
29  
30  
31  
32  
33  
012/FW14  
012/CG05  
008/FW48  
008/BW57  
005/RW05  
005/RW04  
005/RW06  
004/RW13  
Riddler Rod  
Idler Rod  
Door Seal Set Incl. Adhesive  
Door Seal Adhesive  
Glass Inc Glass Channel  
Glass Channel Set Of 8  
Glazing Bar  
Thermostat C/W Flap  
Thermostat Flap 90mm Dia  
Side Panel L.H.  
6*  
7
Side Panel R.H.  
Hood Panel  
8
Hinge Post Main Door  
Hinge Pin Main Door Set (4)  
Door Catch Assembly R.H.  
Door Knob L.H.  
PanelFixing Bracket  
Hood & Panel Fixing Kit  
Hood Fixing Pin Set (4)  
Door L.H.  
9
33a 012/RW30  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
34  
35  
36  
37  
38  
39  
40  
41  
42  
008/WW14S  
003/RW01  
003/RW02  
009/LA30IB/A  
011/AV09  
Riddler Knob  
Door R.H.  
Riddler/Ashpan Tool  
Door Opening Tool  
Thermostat Knob  
Front Firebar  
LA30iB Firebox / Boiler Assy  
Boiler Reduction Brick (Optional Extra)  
Scraper Tool  
012/FW34  
012/RW09  
010/AV12  
Secondary Air Flap  
Deepening Bar  
150 ° Flue Pipe (Optional Extra)  
Serial Number Label  
Throat Plate  
012/AV11B  
002/HW15  
002/HW16  
002/CG01  
002/CG01S7  
004/EW17  
002/HW30  
012/HW33  
Side Fire Plate  
43* 010/EW51  
44* 008/TH02/L  
Ash Carrier (Optional Extra)  
Low Level Pipe Stat (Optional Extra)  
Side Panel L.H. (Freestanding Kit)  
Side Panel R.H. (Freestanding Kit)  
Hood Panel (Freestanding Kit)  
150° Flue Elbow (Freestanding Kit)  
Rear PanelBracket (Freestanding Kit)  
Back Fire Plate  
Bottom Grate Bar  
Set Of Grate Bars  
Ashpan  
45  
46  
47  
48  
49  
005/AV23  
005/AV24  
005/AV22  
002/AV13  
010/AV26  
Carrier Bar  
Mover Bar  
* These items are not shown on the drawing.  
Bishops Way, Newport, Isle Of Wight, PO3O 5WS  
Tel: (01983) 527552 Fax: (01983) 821267  
 

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