Rayburn Heatranger 480D Guide de l'utilisateur
WARNING
This information is a copy of an original
archive, therefore Aga cannot be held
responsible for its continued accuracy.
10/99 EINS 511231
For use in GB and IE
Servicing
Instructions
Heatranger 480D
At the Heart of your Home
PAT. APP 2 280 747
AND OTHER GB & IE
PATENTS PENDING
DESN 510517
PLEASE READ THESE INSTRUCTIONS BEFORE SERVICING THIS APPLIANCE
Consumer Protection
As manufacturers and suppliers of cooking and heating products.We take every care to ensure,
as far as is reasonably practical, that these products are so designed and constructed as to
meet the general safety requirement when properly used and installed. To this end, our
products are thoroughly tested and examined before despatch.
IMPORTANT NOTICE: Any alteration that is not approved by Aga-Rayburn could invalidate the
approval of the appliance, operation of the warranty and could affect your statutory rights.
Health & Safety
This appliance may contain some of the materials that are indicated It is the Users/Installers
responsibility to ensure that the necessary personal protective clothing is worn when handling
where applicable, the pertinent parts that contain any of the listed materials that could be
interpreted as being injurious to health and safety, see below for information.
Firebricks, Fuel beds, Artificial Fuels
When handling use disposable gloves.
Fire cement
When handling use disposable gloves.
Glues and Sealants
Exercise caution - if these are still in liquid form use face mask and disposable gloves.
Glass Yarn, Mineral Wool, Insulation Pads, Ceramic Fibre
May be harmful if inhaled. May be irritating to skin, eyes, nose and throat. When handling avoid
contact with skin or eyes. Use disposable gloves, face-masks and eye protection. After
handling wash hands and other exposed parts. When disposing of the product, reduce dust
with water spray, ensure that parts are securely wrapped.
Kerosene & Gas Oil fuels (mineral oils)
1. The effect of mineral oils on the skin vary according to the duration of exposure.
2. The lighter fractions also remove the protective grease normally present on the surface of
the skin. This renders the skin dry, liable to crack and more prone to damage caused by cuts
and abrasions.
3. ‘Oil acne’ is recognised by the presence of skin rashes. The arms are most often affected,
but may occur where there is contact with oil or oily clothing.
- Seek medical attention for any rash.
- Avoid skin contact with mineral oil or clothing contaminated with mineral oil.
4. Inhalation of mineral oil vapours must be avoided. Never fire the burner in the open as
unburnt oil vapours are likely to occur.
5. Use a suitable barrier cream which will give protection against mineral oil, lanolin based hand
creams are usually very effective.
6. Never syphon mineral oils by use of the mouth. If accidentally swallowed, call a doctor, do
not induce vomiting.
2
To ensure the best performance from your Rayburn it
should be serviced at 6 monthly intervals; preferably at
the start of the heating season.
This appliance must be commissioned by a competent
engineer, such as OFTEC approved or a commissioning
engineer as shown on the Rayburn list.
Failure to install and maintain appliances correctly could
lead to prosecution.
The Rayburn cannot be serviced whilst hot, so both oven
and boiler thermostats should be turned off on the
evening before the service visit.
BURNER REMOVAL - for cleaning and inspection.
CLEANING - Boiler heat exchanger flueways, oven and
hotplate flueways together with ceramic fibre burner
chambers.
BURNER SERVICING.
OIL PUMP SERVICING - Cleaning of fuel line strainer.
RE-COMMISSIONING.
REPLACEMENT PARTS.
Additional Flueway Clean
It may be necessary in some installations to give the
boiler flueways a clean out at the end of the heating
season.
3
INTRODUCTION SERVICE SCHEDULE
WARNING: BEFORE REMOVING SERVICE ACCESS
COVERS OR THE OIL BURNERS ENSURE THAT ALL
ELECTRICAL SUPPLIES TO THE APPLIANCE HAVE
BEEN ISOLATED
The burners can be removed without disconnecting the
oil supply pipe. However if the filters are being cleaned or
a pressure gauge fitted to the pump then the oil supply
should be turned OFF and arrangements made to catch
any oil which will leak from the oil pump.
SEE FIG. 1
1. Open up the bottom burner access door. Remove
door and put in a safe place.
2. Remove the 4 inner panel securing screws and
remove panel.
3. Remove the 3 plinth securing screws and remove
plinth.
4
PREPARATION
BURNER ACCESS
Burner Removal
FIG. 1 DESN 511124
IMPORTANT: DURING BURNER REMOVAL CARE
MUST BE TAKEN NOT TO DAMAGE THE CERAMIC
FIBRE INSULATION.
SEE FIG. 2
1.Place a sheet on the floor in front of the cooker to act
as a working area
2.Disconnect the 5-pin plug underneath the burner.
SEE FIG. 3
3. Undo the burner central locking nut.
4.Remove 2 fan mounting plate nuts.
SEE FIG. 4
5. Withdraw the burner unit.
5
BURNER REMOVAL
FIG. 2
FIG. 3
FIG. 4
DESN 511238
DESN 511239
DESN 511240
Burner Removal
IMPORTANT: DURING CLEANING CARE MUST BE
TAKEN NOT TO DAMAGE THE CERAMIC FIBRE
INSULATION.
SEE FIG. 5
1. Lift insulation covers and remove hotplate using lifting
hooks provided.
SEE FIG. 6
2. Remove insulation pad B, remove the 4 flue cleaning
access door securing bolts and remove door.
3. Using the rods provided remove the boiler flueway
baffles from between the boiler cross waterways. Lift
the front ones first and then pull the rear ones forward
and then lift them out.
SEE FIG. 7
4. Lift top plate enamelled cover panel (behind the L.H.
insulating cover) remove insulation pad A and sealing
plate.
5. Clean the boiler outlet flueway by inserting the flexible
brush through top plate aperture, directing it towards
the flue outlet. Scrape the deposits towards the heat
exchanger.
6. Thoroughly clean boiler heat exchanger flueway.
7. Carefully vacuum any debris that has fallen down into
the burner chamber.
8. Clean and replace boiler flueway baffles in reverse
order. Locate boiler flue access door, secure and
replace insulation pad B.
9. Replace sealing plate, insulation pad A and cover
panel.
6
HEAT EXCHANGER CLEANING
Cleaning
FIG. 5
FIG. 6
FIG. 7
DESN 510523
DESN 511232
DESN 510534
SEE FIG. 8
1. Remove the top oven door and place in a safe
position.
2. Remove side and base access doors using hex. driver.
3. Thoroughly clean top, side and base flueways through
access apertures with brush.
4. Remove all debris with vacuum cleaner.
5. Replace side and base access doors. Secure in
position using hex. driver.
NOTE: Further access to base flueway is available if
diverter baffle is removed (replace baffle if removed).
6. Brush and clean in between hotplate ribs on
underside.
7. Examine soft rope seal located around hotplate
aperture in top plate. Replace if frayed or damaged.
8. Replace hotplate ensuring the underside ribs lie over
the oven, and that it seals to the top plate.
7
OVEN & HOTPLATE FLUEWAY
CLEANING
Cleaning
FIG. 8 DESN 510535
SEE FIG. 9
It is recommended that each burner is serviced
individually so as not to get the components from the two
burners mixed up.
The correct combination of burner blast tubes and
diffusers are shown.
When removing the diffusers it is important to note the
orientation of the diffuser in relation to the ignitor
assembly (see Fig.10), to ensure correct alignment during
re-assembly. This prevents the possibility of contact
between the diffusers and the electrodes in the event of
diffuser distortion and will also ensure that the PEC
sensing hole aligns with the PEC in the burner head of the
boiler burner.
8
INTRODUCTION
Burner Servicing
FIG. 9 DESN 511257 A
480D
SEE FIG. 10
1. Disconnect oil feed nut.
2. Slacken the grub screw.
3. Disconnect the two ignition leads from ignitor and
gently tap the centre oil inlet boss.
4. The complete nozzle assembly should now move
through the Burner sleeve.
It would be advisable to disconnect the ignitor leads to
enable the assembly to be completely withdrawn.
5. Remove nozzle and fit new replacement.
Nozzles should be handled with great care, using
clean tools and clean hands.
6. Clean the diffuser and ignition electrodes taking care
not to wipe the nozzle tip itself.
7. Check electrode gap and reset if necessary.
1. Remove diffuser by slackening bolt, note orientation
of diffuser in relation to the ignitor assembly
ensuring that the short vane is aligned vertically
between the electrodes during re-assembly.This
will also ensure that the PEC sensing hole aligns
with the PEC in the boiler burner.
2. Remove ignitor assembly by removing nut and 2
washers.
3. Unscrew nozzle from its holder with a correctly fitting
tubular spanner to avoid damage to hexagon.
4. Replace nozzle by a new one of the same size, spray
angle and spray pattern.
9
Burner Servicing
BURNER NOZZLE REMOVAL
FIG. 10 DESN 510538
DESN 511241
DESN 511242 A
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