06/10 EINS 514810
REMEMBER, when replacing a part on this appliance, use only spare parts that you can be assured conform to the safety
and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly
authorised by Waterford Stanley.
PLEASE READ THESE INSTRUCTIONS BEFORE SERVICING THIS APPLIANCE
Alpha
120/150K
Servicing Instructions
Contents
SECTION CONTENTS PAGE
CONSUMER PROTECTION 3
HEALTH & SAFETY 3
INTRODUCTION 4
SERVICE SCHEDULE 4
BURNER REMOVAL PREPARATION 5
BURNER ACCESS 5
BURNER REMOVAL 6
BURNER HEAD REMOVAL 6
CLEANING HEAT EXCHANGER CLEANING 7
HOTPLATE REMOVAL 8
OVEN & HOTPLATE FLUEWAY CLEANING 8
BURNER SERVICING INTRODUCTION 9
BURNER NOZZLE REMOVAL 10
BURNER NOZZLE REPLACEMENT 10
PHOTO ELECTRIC CELL (PEC) CLEANING 11
FAN CLEANING 11
RE-ASSEMBLE BURNER 11
OIL PUMP SERVICING INTRODUCTION 12
OIL PUMP STRAINER CLEANING 12
OIL LINE FILTER CLEANING 12
RE-COMMISSIONING BLEED AIR FROM OIL SUPPLY 13
FIT PRESSURE GAUGE 13
SWITCH ON ELECTRICITY 13
VENT OIL PUMP 13
ADJUST OIL PRESSURE 13
SET COMBUSTION AIR 14
CHECK SMOKE 14
REPLACEMENT OF FAN MOTOR 15
PARTS (BURNER) CHECK SMOKE 15
IGNITOR 16
RELAY 16
SOLENOID COIL 16
CONTROL BOX 17
PEC 17
PUMP ACCESS 17
REPLACEMENT OF ELECTRICAL COMPONENT ACCESS 18-19
PARTS (ELECTRICAL TO FIT NEW BOILER CONTROL THERMOSTAT 20
CONTROLS) TO FIT NEW BOILER PUMP OVERRUN THERMOSTAT 20
TO FIT NEW COOKER SAFETY OVERHEAT 21
THERMOSTAT
TO FIT NEW BOILER SAFETY OVERHEAT THERMOSTAT 21
TO FIT NEW OVEN CONTROL THERMOSTAT 22
TO FIT NEW SELECTOR SWITCH 22
RE-ASSEMBLE 23
ELECTRICAL CONTROLS PUMP OVERRUN FACILITY 24
OVERHEAT SAFETY THERMOSTATS 24
TERMINAL STRIP CONNECTIONS 25
FAULT-FINDING APPLIANCE WIRING DIAGRAM 26
BURNER DOES NOT START 27-29
FAULT FINDING (BOILER) 30-31
FAULT FINDING (COOKER) 32-33
HIGH SMOKE NUMBERS/OIL SMELLS 34
2
Consumer Protection
As responsible manufacturers we take care to make sure that our products are designed and
constructed to meet the required safety standards when properly installed and used.
IMPORTANT NOTICE: PLEASE READ THE ACCOMPANYING WARRANTY.
Any alteration that is not approved by Waterford Stanley 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 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, Insulation 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 and 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 oil clothing.
- Seek medical attention for any rash.
- Avoid skin contact with mineral oil or clothing containing mineral oil.
4. Inhalation of mineral oil vapours must be avoided. Never fire the burner in the open air as
unburnt oil vapours are likely to occur.
5. Use a suitable barrier cream which will give protection against mineral oil, lanolin based hand
cream are usually very effective.
6. Never syphon minerals oil by mouth. If accidentally swallowed, call a doctor, do not induce
vomiting.
NOTE: SMOKE/SMELL EMITTED DURING INITIAL USAGE
Some parts of the cooker have been coated with a light covering of protective oil. During initial
operation of the cooker, this may cause smoke/smell to be emitted and is normal and not a fault
with the appliance, it is therefore advisable to open doors and or windows to allow for ventilation.
Lift the lids to prevent staining the linings.
3
To ensure the best performance from your Stanley Alpha
it should be serviced once a year; preferably at the start
of the heating season.
This appliance must be commissioned by an approved
engineer.
Failure to install and maintain the appliance correctly
could lead to prosecution.
An additional flueway and combustion chamber clean
halfway through the heating season may be necessary in
some cases.
The Stanley Alpha cannot be serviced whilst hot, so both
oven and boiler thermostats should be turned off on the
evening before the service visit.
Annual Service
During annual service burner nozzles and burner head
seals MUST BE CHANGED. Flexible oil lines must be
changed every 2 years.
WIRING: Ensure there is no damage or loose
connections. This should be carried out by a competent
engineer.
BURNER REMOVAL - for cleaning and inspection.
CLEANING - Boiler heat exchanger, flueways, oven and
hotplate flueways together with insulation fibre burner
chambers.
BURNER SERVICING.
OIL PUMP SERVICING - Cleaning of fuel line strainer.
RE-COMMISSIONING
REPLACEMENT PARTS
Oven Door Fit - Both doors must be checked and adjusted
if necessary to ensure the alignment with the door catch
is correct, the keep is secure and the oven is sealed when
the door is closed.
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.
4
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 2 inner panel securing screws and remove
panel.
5
PREPARATION
BURNER ACCESS
Burner Removal
FIG. 1 DESN 514813
IMPORTANT: DURING BURNER REMOVAL CARE
MUST BE TAKEN NOT TO DAMAGE THE INSULATION
BOARDS.
SEE FIGS. 2, 3 & 4
1. Undo the burner locking nut and remove head
retaining bar.
2. Withdraw burner head.
SEE FIG. 3
3. Place a sheet on the floor in front of the cooker to act
as a working area.
4. Disconnect the 12-pin plug from above the burner.
5. Disconnect air intake.
SEE FIG. 4
6. Slacken 2 M6 fixings and remove flue safety
thermostat.
7. Withdraw burner unit.
6
BURNER REMOVAL
FIG. 2
FIG. 3
FIG. 4
DESN 514814
DESN 514847
DESN 514815
Burner Removal
BURNER HEAD REMOVAL
IMPORTANT: DURING CLEANING CARE MUST BE
TAKEN NOT TO DAMAGE THE INSULATING
BOARDS.
Boiler access is made by opening the top left hand control
door.
1. Remove two cooker control knobs.
2. Remove 2 retaining screws and lift the control panel
free of the aperture.
3. Remove 2 retaining nuts and withdraw burner access
panel.
4. The baffles are assembled in two stacks, it maybe
necessary to slightly lift the top stack of baffles and
withdraw bottom baffle stack first, then withdraw the
second stack of baffles.
Each heat exchanger has 3 rows of baffles.
5. Ensure baffles and flueways are clear of debris and refit baffle stacks as illustrated in Fig 8.
NOTE: One baffle configuration for all three models.
6. Carefully vacuum any debris that has fallen into the
burner chamber.
7. Re-assemble in reverse order.
7
HEAT EXCHANGER CLEANING
Cleaning
FIG. 5
FIG. 7
DESN 514816
DESN 514818
FIG. 6 DESN 514850
FIG. 8 DESN 514819
1. Lift up two insulating lids on the top of the cooker.
2. Using a 7mm allen key, unscrew 2 countersunk
retaining bolts. (See Fig. 9).
3. Insert M12 eye hooks into hotplate. (See Fig. 10).
4. Using lifting hooks, lift hotplate vertically and withdraw.
5. Re-assemble in reverse order, noting that it is
recommended to coat the countersunk bolts with antiseize compound prior to fitting.
SEE FIG. 11
1. Remove the top oven door and place in a safe
position.
2. Remove rear and base access doors use hex. driver.
3. Thoroughly clean top, side and base flueways through
access apertures with brush.
4. Remove all debris with vacuum cleaner.
5. Replace rear and base access doors. Secure in
position using hex. driver.
6. Brush and clean in between hotplate ribs on
underside.
7. Examine soft rope seal located around hotplate
aperture in top plate and rope seal on hotspot.
Replace if frayed or damaged.
8. Replace hotplate ensuring the underside ribs lie over
the boiler and that it seals to the top plate.
8
Cleaning
FIG. 11 DESN 514820
OVEN & HOTPLATE FLUEWAY
CLEANING
HOTPLATE REMOVAL
FIG. 9
FIG.10
DESN 514841
DESN 514858
9
Burner Servicing
SEE FIG 12, 13A & 13B
It is recommended that each side of the burner is serviced
individually so as not to get the components from the two
burners mixed up.
The correct combination of burner blast tubes are shown.
To remove blast tube, slacken two grub screws, pull
forward.
120K
150K
INTRODUCTION
FIG. 12
FIG. 13B
FIG. 13A
DESN 512005
COOKER 10
VANES
COOKER 10
VANES
BOILER 10 VANES
5mm HOLES
10 LARGE SLOTS
BOILER 10 VANES
5mm HOLES
20 LARGE SLOTS
SEE FIG. 14
1. Disconnect ignition leads.
2. Remove two socket head screws.
3. Remove head assembly complete.
4. Remove ignitor assembly, by removing countersunk
screw and clamp.
5. Unscrew nozzle from its holder with a correctly fitting
tubular spanner to avoid damage to hexagon.
Follow instructions in BURNER ACCESS, Steps 1 to 2, and
BURNER NOZZLE REMOVAL, Steps 1 to 5.
SEE FIG. 14
1. Disconnect ignition leads.
2. Remove 2 socket head screws.
3. Remove head assembly complete.
4. Remove ignitor assembly by removing countersunk
screw and clamp.
5. Fit new ignition electrode assembly, re-assemble in
reverse order.
6. Check electrode gap and re-set if necessary.
SEE FIG. 15
1. Replace nozzle by a new one of the same make and
specification.
2. Ensure that mating faces are clean.
3. Hold nozzle holder with correct spanner when
tightening nozzle.
4. Typically finger tight plus 1/4 turn with spanner is
sufficient.
DO NOT OVERTIGHTEN.
5. Ensure electrode gaps are correct.
10
Burner Servicing
BURNER NOZZLE REMOVAL
BURNER NOZZLE REPLACEMENT
FIG. 14 DESN 514823
3mm
FIG. 15 DESN 510538
IGNITOR REMOVAL
SEE FIG. 16
Withdraw Photo Electric Cell from the burner head. Clean
PEC sensing end with a soft cloth taking care not to
scratch the light sensitive body. Re-insert PEC taking care
to insert the correct way round.
Should the cell show signs of distortion or cracking,
replacement will be necessary. See ‘PEC Replacement’ Page 17.
SEE FIG. 17
1. Remove pozi screws, pull off fan case inlet.
2. Clean between the blades of the fan impellor with a
small brush and remove any residue.
Re-assemble the burner in reverse order.
NOTE: Burner head gaskets should be renewed at each
service.
11
Burner Servicing
PHOTO ELECTRIC CELL (PEC)
CLEANING
FIG. 17 DESN 514824
FIG. 16 DESN 514848
FAN CLEANING
RE-ASSEMBLE BURNER
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