Moorwood Vulcan HD30F User manual
Manual Part No: 930009-01 HD Gas Fryer - 2 –
Manual Rev No: 1
Model No. Product Description Rev. Date Flexible Hose
Size
HD30F
HD60F
HD60FP
HD60FT
Heavy Duty Fryers
300 Fryer
600 Fryer
600 Fryer c/w Piezo Ignition
600 Fryer Twin Tank
4
3
4
3
02/01/02
01/11/00
01/11/00
01/11/00
½” BSP hose
¾” BSP hose
¾” BSP hose
¾” BSP hose
Manual Part No: 930009-01 HD Gas Fryer - 3 –
Manual Rev No: 1
Index
Page
CoverSheet: 1
RevisionSheet: 2
Index: 3
Introduction: 4&5
GeneralIntroduction 4
ImportantNote 5
Specification: 6&7
GasPressure/Connection 6
OverallDimensions 7
Installation: 8-10
ImportantNote 8
Positioning 8
Checking&Commissioning 9-10
User’sInstruction: 11-16
ImportantNote 11
Operation 12-14
CookingGuide 14
Cleaning 15&16
Service&Maintenance: 17-21
RoutineMaintenance 17
FaultFinding 18&19
WiringDiagram 19
Instructions 20&22
SpareParts: 23
WarrantyCoverSheet: 24
Manual Part No: 930009-01 HD Gas Fryer - 4 –
Manual Rev No: 1
INTRODUCTION
This manual contains all the required information to ensure that your new appliance is installed correctly
and that you have all the information necessary to identify and order spare parts. It also contains
comprehensive instructions for the user and for cleaning the appliance.
To maintain peak performance, it is recommended that the appliance be regularly serviced and that
when ordering spare parts, reference be made to the appropriate list quoting the Part No. and the
description therein. THE FITTING OF A NON-STANDARD PART MAY VOID ANY GUARANTEE.
All work carried out on this appliance during installation or servicing must be performed by a competent
person and the connection of the appliance to the gas supply MUST be carried out by qualified
personnel in accordance, where applicable, with the relevant regulations.
The siting of the appliance and the connection to the gas supply must comply with the latest GAS
SAFETY (INSTALLATION & USE) REGULATIONS 2000; the requirements of the FIRE PRECAUTIONS ACT
1971; the HEALTH & SAFETY AT WORK, ETC ACT 1974, the BUILDING STANDARDS (SCOTLAND)
CONSOLIDATION REGULATIONS 1971. Detailed recommendations are contained in British Standards
BS5440 Part 1:2000, BS5440: Part 2:2000, BS5588: Part 0:1996, BS5588: Part 11:1997 & BS6173: 2001.
An easily accessible stopcock must be fitted in the gas supply adjacent to the appliance for use in
emergency.
The details of the gas supply will be found on the Data Plate, which is located on the rear of the flue
upstand/splashback panel.
Improvements
The policy of Viscount Catering Ltd is such that, each product is subject to continual development and
may, therefore, be subsequently improved. The company reserves the right to alter the design of any
appliance without prior notification and without the responsibility to update any delivered or in-service
appliance and furthermore, without incurring the responsibility for altering these instructions. In such
circumstances, it may be found that the appliance detailed herein differs in certain respects from the one
supplied.
IT IS IMPORTANT, THEREFORE, TO QUOTE THE SERIAL No. AND THE APPLIANCE MODEL No. IN ALL
COMMUNICATIONS WITH THE COMPANY.
Manual Part No: 930009-01 HD Gas Fryer - 5 –
Manual Rev No: 1
Introduction (cont.)
Important
Before installing any item please refer to the installation instructions.
We recommend that all servicing other than routine cleaning be carried out by our authorised service
agents and will accept no responsibility for work carried out by other persons.
For satisfactory operation, parts of catering equipment become hot. Suitable precautions must be taken
to avoid accidental burns therefore the appliance should be positioned to minimise the possibility of
accidental touching. It is the supervisors’ responsibility to warn users to wear suitable protection and to
follow correct operation and cleaning procedures.
For the details of your nearest Service Agent for all warranty and repair work, you should contact: -
The Service Manager,
Viscount Catering Limited
Provincial Park
Nether Lane
Ecclesfield
Sheffield
S35 9ZX
Tel: +44 (0) 114 2574500
Fax: +44 (0) 114 2574527
Spares can be obtained via the Spare Parts Department at the above address.
IT IS IMPORTANT, TO QUOTE THE SERIAL No. AND THE APPLIANCE MODEL No. IN ALL
COMMUNICATIONS WITH THE COMPANY.
Manual Part No: 930009-01 HD Gas Fryer - 6 –
Manual Rev No: 1
SPECIFICATION
300 Fryer
600 Fryer
600 Twin Tank Fryer
Gas Pressures
Natural Gas 15 mbar ( 6” w.g.)
Propane Gas 37 mbar (14” w.g.)
Gas Connection
½” BSP Taper Male (Rp ½ ”)
When connecting using a flexible hose fit a ½” BSP hose-300 Fryer
Fit a ¾” BSP hose-600 Fryer and Twin Tank Fryer
Heat Input (Nett)
Natural gas Propane Gas
m3/hr Btu/hr kW kg/hr Btu/hr kW
300 Fryer 1.386 44,686 13.097 1.123 48,955 14.348
600 Fryer 3.04 98,019 28.728 1.907 83,068 24.346
600 Twin tank Fryer 2.772 89,377 26.195 2.247 97,914 28.697
Burner Injectors
Natural Gas Propane Gas
300 Fryer 2.15 mm 1.35 mm
600 Fryer 3.25 mm (30M) 1.95 mm (48M)
600 Twin Tank Fryer 2 x 2.15 mm 2 x 1.35 mm
Dimensions
300 Fryer 600 Fryer
Width 300mm 600mm
Depth 850mm 850mm
Height 920mm 920mm
Pan Area (W x D) 230 mm x 480 mm 460 mm x 480 mm
(9” x 18.8”) (18.1” x 18.8”)
Oil Capacity 17 Litres 23 Litres
(3.8 Gallons) 5.1 Gallons)
Weight 55 kg (121 lbs.) 85 kg (187 lbs.)
22.7 kg 45.4 kg
Output of Raw Chips per
hour (50 lbs.) (100 lbs.)
Specification (cont.)
Manual Part No: 930009-01 HD Gas Fryer - 7 –
Manual Rev No: 1
Manual Part No: 930009-01 HD Gas Fryer - 8 –
Manual Rev No: 1
INSTALLATION
Important
Your attention is drawn to the latest GAS SAFETY (INSTALLATION & USE) REGULATIONS 2000.
This appliance MUST be installed by a competent person in accordance with these and any other relevant
regulations. Users, too, should be aware of the regulations governing the use of gas appliances,
particularly with respect to the need for regular servicing.
Before Installation
Before commencing installation, remove all packaging materials from the appliance. It is suggested that
any protective film adhering to the stainless steel panels should be left on until installation is completed.
BUT THIS MUST BE REMOVED BEFORE COMMISSIONING OR OPERATING THE APPLIANCE.
Check the appliance Data Plate (located on the back of the flue upstand/splashback panel), to ensure
that the appliance is suitable for the gas supply available.
Ensure that the floor upon which the appliance is to stand is level and capable of adequately supporting
the weight of the appliance. TO COMPENSATE FOR SOME UNEVENNESS OF THE FLOOR, THE
APPLIANCE FEET ARE ADJUSTABLE.
THE FLOOR MUST BE FIRE PROOF. If it is not, or if any adjacent wall or surface is made of a combustible
material, then the installer must ensure that the requirements of the LOCAL FIRE REGULATIONS are
observed.
Positioning
In order for us to meet the requirements of British Standard BS EN 203-1: 1993 Clause: 6.2.2 (Gas
Heated Catering Equipment-Safety Requirements) this fryer MUST BE FIXED TO THE FLOOR by mean’s
of the fixing holes in the flanged feet. This is not necessary if the fryer is in a suite and therefore fixed
to another appliance.
Place the appliance in position allowing a minimum gap of 150 mm (6”) at the rear and at least 150 mm
(6”) between the sides of the appliance and any adjacent wall. The minimum distance between the top of
the appliance and any overshelf or ceiling constructed of a combustible material must be 1525mm (60”).
Adequate ventilation is essential for safe operation of a gas appliance. A supply of fresh air is necessary
for the correct combustion of the gas and there must be a means of exhausting the heat and the
products of combustion from the kitchen. It is recommended that the appliance be sited below a
ventilating hood, one preferably connected to an extractor system incorporating a grease filter.
Manual Part No: 930009-01 HD Gas Fryer - 9 –
Manual Rev No: 1
INSTALLATION (cont.)
Positioning (cont.)
If the fryer is to be positioned in such a way that it is possible to touch the rear of the fryer when
hot, then a Heat Shield (available as an accessory) MUST be fitted to the back panel.
Accessory Kit:- HD30F-HS Heat Shield Kit (300 Fryer)
HD60F-HS Heat Shield Kit (600 Fryer)
Important Note
The appliance MUST NOT be connected DIRECTLY to a flue or ventilating system, although the flue
products of two or more appliances may be directed into a common outlet when building a suite of
appliances (see separate instructions for suiting appliances).
Ensure that the appliance is level in two places - front to rear and side to side. To check the level it is
recommended that a spirit level be placed on a shelf in the open oven - NOT on top of the cooker! Level
can be achieved by adjusting any or all of the screw in feet in each corner of the base. Turn anti-
clockwise to lower and clockwise to raise the corner.
Gas Connection
Natural Gas: The size of the supply pipe should be no smaller than ¾” BSP and an easily accessible
stopcock must be fitted in the gas line adjacent to the appliance.
An armoured flexible pipe of a GAS COUNCIL APPROVED PATTERN is recommended.
Ensure that all the pipes to the appliance are clean and free from swarf etc, BEFORE making the final
connection.
Propane Gas: Follow the same procedure as that for Natural Gas EXCEPT that the Gas Governor MUST
NOT be fitted, - the Gas Supply Tank or Cylinders are already fitted with a Gas Regulator.
Leak Test
Clean off any protective film from the stainless steel panels.
AT THIS STAGE, LEAK TEST THE WHOLE SYSTEM. THE GAS SAFETY REGULATIONS require that ALL
connections in the gas supply line between the Gas Meter and the appliance is tested for gas leaks.
THIS MUST BE DONE BEFORE COMMENCING TO COMMISSION THE APPLIANCE.
Manual Part No: 930009-01 HD Gas Fryer - 10 –
Manual Rev No: 1
Installation (cont.)
Checking and Commissioning (cont.)
ALTHOUGH EVERY APPLIANCE IS TESTED AND SET BEFORE IT LEAVES THE FACTORY, IT IS
IMPORTANT THAT THE INSTALLER RE-CHECKS CERTAIN FUNCTIONS BEFORE LEAVING THE SITE.
CHECK THE GAS PRESSURE AT THE APPLIANCE THUS: -
The pressure test point is behind the compartment door on the manifold assembly.
Connect a manometer (U tube) to the test point. Turn on the gas supply and light the appliance. Check
that the pressure reading agrees with that stated on the Data Plate.
SHOULD ADJUSTMENT BE NECESSARY, PROCEED AS FOLLOWS: -
FOR PROPANE GAS, REFER TO SUPPLIER.
On the gas governor: (part of Control Valve for Fryers/Steamers). Remove the cap in order to gain access
to the pressure adjusting screw.
Turn the pressure adjusting screw clockwise to increase the pressure or anti-clockwise to decrease it.
When the pressure reading is correct, refit the cap to the governor.
Turn the gas supply to the unit OFF at the stopcock and disconnect the manometer (U tube). Ensure that
the pressure test point screw is refitted.
Turn the gas supply to the appliance on at the stopcock and leak test the pressure test point using a
leak detection fluid.
Burner Aeration
The aeration of all the burners is fixed and does not need adjusting.
Manual Part No: 930009-01 HD Gas Fryer - 11 –
Manual Rev No: 1
USERS INSTRUCTIONS
Important Note
The attention of the user is drawn to the requirements of the latest GAS SAFETY (INSTALLATION & USE)
REGULATIONS 2000. This appliance must be used in accordance with those, particularly so in respect
of the need for regular servicing.
See also the sections of this manual referring to Cleaning and General Maintenance.
The attention of the user is also drawn to the risk of fire and personnel hazards consequent on:
-unattended use of the fryer;
-replenishment of the oil when the fryer is hot;
-the use of flammable solvents and cleaning aids;
-over and under filling of the pan.
Safety Note
Parts and surfaces of this appliance get hot in use. It is the responsibility of the kitchen supervisor to
inform and warn every user and kitchen worker of this and, furthermore, to ensure those users wear and
use protective clothing when operating the appliance.
Should any adjustment or attention be necessary, you are advised to contact your nearest CORGI
(Confederation for the Registration of Gas Installers) Service Engineer immediately. The need for regular
servicing is detailed in the latest GAS SAFETY (INSTALLATION & USE) REGULATIONS 2000.
IF YOU THINK THAT GAS IS ESCAPING, ACT IMMEDIATELY. SHUT OFF THE GAS SUPPLY AT THE
METER OR EMERGENCY CONTROL; CONTACT THE SUPPLIER OF YOUR GAS IMMEDIATELY.
MAKE SURE THAT ALL USERS OF THIS APPLIANCE KNOW WHERE THE GAS SUPPLY STOPCOCK IS
LOCATED FOR THE USE IN AN EMERGENCY.
Improvements
The policy of Viscount Catering Ltd is such that each product is subject to continual improvement. The
company reserves the right to alter the design of any appliance without prior notification and without the
responsibility to update any delivered or in-service appliance and, furthermore, without incurring the
responsibility for altering these instructions. In such circumstances, it may be found that the appliance
detailed herein differs in certain respect from the one supplied.
For further details or enquires please contact:
Viscount Catering Limited, Provincial Park, Nether Lane, Ecclesfield, Sheffield, S35 9ZX
Tel: +44 (0)114 2570100
Fax: +44 (0) 114 2570251
Manual Part No: 930009-01 HD Gas Fryer - 12 –
Manual Rev No: 1
Users Instructions (cont.)
Lighting Instructions
WARNING: - DO NOT LIGHT THE BURNERS WHEN THE PAN IS EMPTY
1) Open the compartment door, ensure that the drain valve is fully closed (turn clockwise) and
check that the cooking oil is up to the level marked at the back of the pan.
The oil required to fill the pan to the level is:
300 Fryer 17 litres (3.8 gallons)
600 Fryer 23 litres (5.1 gallons)
600 Twin Tank Fryer 2 x 17 litres (3.8 gallons)
2) Turn on the gas supply.
3) Turn the thermostat knob to the OFF position.
4) Turn the control valve knob anti-clockwise to the Pilot position Σ, push and hold-in, and apply a
lighted taper between the burners to light the pilot burner (or press optional piezo igniter).
5) Hold knob depressed for a further 30 seconds to establish flame, release and check that the
burner remains alight.
6) If the burner is extinguished on releasing knob, repeat steps 4 & 5.
7) Turn the control knob anti-clockwise to the ON position.
8) Turn the thermostat knob to the required setting to light the main burners, checking that they
light before closing the door.
9) If the pilot goes out for any reason, turn the control valve knob to the OFF position nand wait 3
minutes before
Note: - When first lighting the appliance after installation or after an extended shut-down
period, it may be necessary for the control knob to remain pushed-in for some time before the
burner will light, owing to the presence of air in the gas line.
To Turn Off
1) For short periods, turn the thermostat knob to the OFF position n.
This will leave the pilot burner alight and the fryer ready for use.
2) For longer periods, (or if the fryer is to be left UNATTENDED), turn the thermostat to the OFF
position n, turn the control valve to the OFF position n, and close external stopcock.
Manual Part No: 930009-01 HD Gas Fryer - 13 –
Manual Rev No: 1
Users Instructions (cont.)
Use of Solidified Oil or Fat
1) In an empty pan.
IMPORTANT:-If solidified oil or fat is to be used, remove the grid from the bottom of the pan,
break the solidified oil or fat into small pieces and fill the V shaped bottom of the pan.
Light the appliance and turn the thermostat knob to 130° C. Continue to add pieces of fat into
the pan until the V shaped bottom is filled with the molten fat. If the fat appears to be
overheating, turn the thermostat OFF, continue to add fat and turn the thermostat ON when the
fat has cooled.
Refit the grid and put the remaining pieces of oil or fat into the pan until the level is up to the
mark. Allow to heat up slowly until all the fat has melted, then turn the thermostat knob to the
required cooking temperature.
2) Already Solidified In the Pan.
Light the appliance and turn the thermostat ON for approximately 5 - 10 seconds and then turn
OFF again. Leave it for 30 seconds before repeating the 5 - 10 seconds cycle.
Continue to repeat until the fat has melted so that any remaining un-melted pieces are free
floating, then turn the thermostat to the required temperature.
Cooking Instructions
With the thermostat knob turned to the required cooking temperature, allow the oil or fat to heat
up for about 20 minutes before starting to cook. After each load is removed from the fryer
always allow 2 ½ minutes for the temperature of the oil to recover before the next load is put
into the oil.
The Frying Medium.
Ensure oil is always maintained at the level indicated. Good quality vegetable oil is
recommended. The life expectancy of oils will be lengthened if they are filtered regularly - food
particles not removed turn rancid and reduce oil quality. The life of the oil will also be extended
if the temperature is turned down when the fryer is not in use.
“Please note also, using old oil will reduce the flash point and therefore present a greater fire
hazard and be more prone to surge boiling".
“Attention shall also be drawn to the effect of over-wet food and too large a charge on surge
boiling”.
Manual Part No: 930009-01 HD Gas Fryer - 14 –
Manual Rev No: 1
Users Instructions (cont.)
Cooking Instructions (cont.)
Chip Frying
The recommended load for each batch is 2 ¼ kg (5 lbs) for each basket. This will fill the basket about
2/3 rd full and it is important that this load should not be exceeded.
Fish Frying
Cook fish by free floating them. Seven or eight 100g pieces in the 300 Fryer or 12 - 14 pieces in the 600
Fryer may be cooked at one time. Slide the fish into the pan slowly to avoid splashing of the oil or fat
and prevent the fish sinking and sticking to the base of the pan.
Cooking Chart
The following chart is for guidance only.
Maximum basket load not to exceed 2 ¼ kg.
Food Time Temperature
Chicken Pieces 5 – 8 minutes 175°C
Chipped Potatoes (Blanched) 3 minutes 165°C
Chipped Potatoes (Browning) 1 – 2 minutes 190°C
Chipped Potatoes (Raw) 4 – 5 minutes 190°C
Doughnuts 3 – 4 minutes 170°C
Fish Fillets 5 – 7 minutes 175°C
Fritters 3 – 4 minutes 175°C
Potato Crisps 2 minutes 190°C
Scampi 3 – 4 minutes 175°C
To Obtain Best Results
Keep the pan clean.
Use good quality oil or fat, which has high breakdown temperature.
Use only clean oil or fat and strain daily.
Maintain the oil or fat at the correct level. Do not start to fry until the oil has reached the correct
temperature.
DO NOT exceed the temperature of the oil or fat as recommended by the supplier.
DO NOT overload the fryer.
Remove the crumbs or pieces floating on the surface of the oil. When using frozen foods follow the food
manufacturers cooking instructions carefully.
To conserve energy, turn the thermostat knob to the OFF position during breaks in frying.
Manual Part No: 930009-01 HD Gas Fryer - 15 –
Manual Rev No: 1
Users Instructions (cont.)
Cleaning
It will be found that it takes less time and effort if appliances are cleaned every day, particularly while
they are still warm and before grease and spillage are burnt on.
PROPRIETARY OVEN CLEANER MUST BE USED WITH CARE, THEY ARE HIGHLY CORROSIVE AND MAY
CAUSE DAMAGE TO SURFACES AND COMPONENTS.
Clean stainless steel with soap and hot water or a mild detergent solution. Rinse and dry thoroughly.
DO NOT USE CAUSTIC OR ABRASIVE CLEANERS, DO NOT USE ABRASIVE PADS.
Note! Carbon will build up as part of the natural cooking process on the inside of the Fryer tank and is
not detrimental. The carbon build up can be kept to a minimum by regular cleaning and boiling
with a soapy water solution.
Daily Cleaning
1) Turn the gas control valve to OFF.
2) Screw the drainpipe into the drain valve. Place a suitable container with a filter below the drain
tap, remove the safety chain and open the tap.
Note. The oil or fat will flow more freely if it is still warm but on no account should the fat be filtered at
frying temperatures.
3) Remove the frying basket and also the strainer from the bottom of the pan and clean these
thoroughly at the sink.
4) Clean the inside of the pan with a clean cloth, taking care not to damage the two thermostat
phials in the V section of the pan.
5) Refit the strainer in the bottom of the pan, close the drain tap and re-fit the safety chain.
Weekly Cleaning
6) Repeat stages 1 to 3 above.
7) Close the drain tap, fill the pan with a detergent solution and bring to boil.
8) Drain off the solution and wipe all surfaces clean.
9) If the fryer is to remain out of use for some time after cleaning with water, ensure the pan is
greased immediately after to prevent formation of rust. A coating of cooking oil is best.
10) If the fryer is to be re-used after cleaning, replace the strainer. Ensure the drain tap is closed,
re-fit safety chain remove the drain pipe and renew the frying medium, maintaining the correct
level indicated on the back of the pan.
Manual Part No: 930009-01 HD Gas Fryer - 16 –
Manual Rev No: 1
Users Instructions (cont.)
General Maintenance and Care
This equipment is designed and manufactured to give you long, satisfactory service at low cost, provided
that it is given proper care and attention at all times. Frequent cleaning and regular checking of correct
adjustments will be rewarded by reduced operating and maintenance costs, minimum downtime and
regular results from your cooking.
DO NOT POKE WIRE INTO BURNER PORTS OR ORIFICES TO CLEAR THEM OF OBSTRUCTION. SEND
FOR A QUALIFIED ENGINEER.
All gas taps and control knobs must operate smoothly and freely without sticking or jerking. A
QUALIFIED ENGINEER MUST carry out re-lubrication.
WE RECOMMEND THAT ALL EQUIPMENT IS SERVICED AT LEAST ONCE A YEAR, BUT MAY BE AS
FREQUENT AS 6 MONTHS OR LESS IF THE GAS TAPS/THERMOSTAT AND GAS CONTROLS DO NOT
OPERATE FREELY. ALL WORK MUST BE CARRIED OUT BY A QUALIFIED SERVICE ENGINEER.
SERVICE INTERVALS CAN BE AFFECTED BY SPILLAGE AND SHOULD BE ASSESSED EACH TIME THE
EQUIPMENT HAS BEEN USED.
Manual Part No: 930009-01 HD Gas Fryer - 17 –
Manual Rev No: 1
SERVICE AND MAINTENANCE
Maintenance MUST only be carried out by a competent person. Ensure that the gas and electricity
supply to the appliance has been turned “OFF” before dismantling any components.
Routine Maintenance Procedure
1) Ensure that the Fryer pan is filled with oil
2) Fit a manometer (U tube) to the pressure test point on the manifold and go through the lighting
procedure. Ensure the flame safety device opens from cold in no more than 10 seconds.
3) Turn the thermostat to 150°C and check that the pressure at the test point is:-
NaturalGas 15mbar (6”wg)
Propane Gas 37 mbar (14”wg)
Adjust if necessary the governor - on the control valve.
Note: Only leave the burners on for the minimum amount of time to ensure that the fryer does
not get too hot.
4) Turn the thermostat
OFF and ensure that both burners extinguish completely within 3-4
seconds.
5) Turn the thermostat on again to 150°C and ensure that both burners cross light smoothly from
the pilot.
6) Check that the burner flames are uniform and there is no spillage of the flames away from the
heat exchanger.
7) Turn the thermostat OFF and blow out the pilot. Check that the flame safety valve closes within
60 seconds, this can be done by feel or sound.
8) Turn off the gas, remove the pilot and withdraw the burner assembly. Clean the burner parts and
ensure the injectors are clear.
9) Ensure that all the flue ways are clear.
10) Reassemble the pilot and main burners.
11) Go through the lighting procedure, turn the thermostat to 150°C and allow to heat up. Check
that the thermostat cuts out the gas. Turn the thermostat knob to 190°C allow to heat up and
note the oil temperature is 183°C when the thermostat shuts off the burners. The oil
temperature will overshoot to approximately 190°C. (Note! Position the digital thermometer
probe for thermostat testing in the centre of the fryer tank and the tip of the probe must be
25mm (1”) below the surface of the oil). Turn thermostat off.
Manual Part No: 930009-01 HD Gas Fryer - 18 –
Manual Rev No: 1
Service and Maintenance (cont.)
To Check Override Thermostat
During this check the temperature of the oil in the tank will reach up to 230°C and the greatest care
must be taken. It is preferable that old oil is used, as the oil will not be suitable for frying after the test.
12) Re-heat the oil in the tank to 190°C.
13) With the thermostat set to 190°C, carefully unscrew ½ a turn, the pipe fitting at the control valve
marked “out”, which takes the gas to the thermostat. As soon as the gas starts to leak from the
fitting the burner will re-light, allow to heat up carefully checking the oil temperature with a
thermometer.
Note: That the override thermostat operates between 225°C - 230°C (inclusive of over-shoot) and that
the gas to the main burners goes out immediately.
14) Retighten the pipefitting and turn the operating thermostat off.
15) Allow to cool and press the reset button on the overheat thermostat.
16) Turn on the thermostat and ensure that it operates and turns the gas to the burners on and off.
17) Check all gas joints, particularly those, which have been released, for gas leaks with a leak
detector fluid.
18) Ensure there are no leaks from the drain valve and replace the old oil, after wiping out the fryer
to remove any stains.
Fault Finding
Fault Possible Remedy
Fault in override thermostat.
Replace or if unit has tripped, re-
set and check calibration of main
thermostat.
Fault in wires, thermocouple to
override thermostat. Check and remake connections.
Pilot will not establish
Faulty thermocouple. Replace.
Thermostat will not turn
gas out.
Gas leaks on pipes to/from
thermostat. Check for leaks, tighten unions.
Service and Maintenance (cont.)
Fault Finding (cont.)
Fault Possible Cause Remedy
Gas goes out very slowly
when thermostat operates.
Small gas leak on pipes to/from
thermostat.
Check for leaks, tighten unions
Pilot bracket bent and pilot too
low. Check and correct.
Pilot blocked or adjustment too
low. Clean/readjust.
Explosive ignition.
Gas pressure low. Set to correct pressure.
Pilot establishes but main
burners will not light. Vent on control valve blocked. Clean out.
Override
Thermostat
Control Valve
Pilot & Thermocouple
Assembly
Manual Part No: 930009-01 HD Gas Fryer - 19 –
Manual Rev No: 1
Manual Part No: 930009-01 HD Gas Fryer - 20 –
Manual Rev No: 1
Service and Maintenance (cont.)
ENSURE THAT THE GAS SUPPLY TO THE APPLIANCE HAS BEEN TURNED OFF BEFORE REMOVING OR
DISMANTLING ANY GAS CONTROLS.
1) Removing the Thermostat.
Drain the fryer of any oil.
Open the compartment door and remove the thermostat knob.
Remove the two screws fastening the bracket to the side panel. Undo the thermostat phial gland
nut from the tank and withdraw the phial/bulb.
Disconnect the unions from either side of the thermostat.
The thermostat can now be removed.
Replace the thermostat by reversing the above procedure.
ENSURE THAT THE THERMOSTAT PHIAL IS NOT KINKED - HAS NO SHARP
BENDS AND IS CORRECTLY LOCATED IN ITS HOLDER.
2) Removing the Override Thermostat.
Drain the fryer of any oil.
Open the compartment door and disconnect the two wires from the thermostat (noting their
positions).
Undo the thermostat phial gland nut from the tank and withdraw the phial/bulb.
Remove the two screws securing the override thermostat to its bracket and withdraw.
Replace the thermostat by reversing the above procedure.
ENSURE THAT THE THERMOSTAT PHIAL IS NOT KINKED - HAS NO SHARP BENDS AND IS
CORRECTLY LOCATED IN ITS HOLDER.
3) Removing the Burner/Pilot Assembly.
Open compartment door and remove the bottom heat shield, secured by two screws (or four on
the 600 fryer). Break the burner feed pipe union at the control valve.
Remove the two screws fixing the manifold bracket to the tank.
The manifold can now be swung to the side. Undo the nut securing the thermocouple to the
pilot bracket and drop the thermocouple down.
Disconnect the pilot feed pipe from the pilot. Undo the nut (beneath the burner) securing the
burner to the burner bracket. The burner can now be withdrawn from the fryer together with the
pilot assembly.
Replace by reversing the above procedure.
This manual suits for next models
3
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