Read the operating instructions prior to
commissioning
Operating instructions
Deep-fat fryer
Unit Type of energy Unit type Version Model
London 1
London 2
Paris
Translation from the original document • 2020321-20ABDE-C • 13/06/2018
Electric Floor-standing
unit
Countertop unit SLEFRIL1…
Manual OPEFRIL1…
OPEFRIL2…
OPEFRIPS…
O7EFRIL1…
O7EFRIL2…
O7EFRIPS…
HLEFRIL1…
HLEFRIL2…
HLEFRIPS…
SLEFRIL2…
SLEFRIPS…
2020321-20ABBE-C en-GB
Operating and display elements
abc
abcb
c
Image: Operating and display elements for London 1 and Paris deep-fat fryers
a
On/Off
control knob c
b
Heating
indicator light
Temperature
control knob
Image: Operating and display elements for London 2 deep-fat fryer
a
On/Off
b
control knob c
Heating
indicator light
Temperature
control knob
2 Operating instructions
2020321-20ABBE-C
Manufacturer
MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG
Halberstädter Straße 2a
38300 Wolfenbüttel
Germany
Phone +49 5331 89-0
Fax +49 5331 89-280
Internet www.mkn.com
Copyright
All rights to text, graphics and pictures in this documentation are held by MKN Maschinenfabrik Kurt
Neubauer GmbH & Co. KG. Distribution or duplication is only permitted with the prior written consent
of MKN.
Copyright by MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG.
3Operating instructions
Directory of contents
1Introduction......................................................................... 7
1.1About this manual ............................................................................ 7
1.1.1Explanation of signs .................................................................................. 8
1.2Intended use ..................................................................................... 9
1.3Guarantee, warranty and liability.................................................... 9
2Safety information............................................................ 10
3Description of the unit ..................................................... 13
3.1Overview of the unit ....................................................................... 13
3.1.1Floor-standing unit................................................................................... 13
3.1.2Countertop unit........................................................................................ 14
3.2Function of the operating and display elements......................... 14
3.3Fill quantities .................................................................................. 14
3.4Operating temperature................................................................... 15
3.4.1Recommended cooking temperature and cooking time .......................... 15
4Operating the unit............................................................. 16
4.1Tips for use ..................................................................................... 16
4.2Switching the unit on and off ........................................................ 16
4.2.1Switching on ............................................................................................ 16
4.2.2Switching off ............................................................................................ 16
4.3Swinging the heating element in and out..................................... 17
4.3.1Swinging the heating element out ........................................................... 17
4.3.2Swinging the heating element in ............................................................. 17
4.4Basic functions............................................................................... 17
4.4.1Setting the cooking temperature ............................................................. 17
4.4.2Starting the deep-frying cooking mode.................................................... 18
4.4.3Ending the deep-frying cooking mode..................................................... 19
4.5Handling deep-frying oil ................................................................ 20
4.5.1Ensuring that the oil is fit for human consumption................................... 22
4.6Filling the deep-frying oil............................................................... 23
4.6.1Gently heating up deep-frying oil............................................................. 23
4.7Deep-frying ..................................................................................... 24
4.8Emptying the deep-frying oil......................................................... 26
4.8.1Floor-standing unit................................................................................... 26
4.8.2Countertop unit........................................................................................ 27
4.9Pausing and end of use ................................................................. 28
4.9.1Short pause ............................................................................................. 28
4.9.2Longer pauses and end of use................................................................ 28
5Cleaning and caring for the unit ..................................... 29
5.1Preventing corrosion ..................................................................... 29
5.2Removing rust spots...................................................................... 30
5.3Cleaning the housing..................................................................... 30
4 Operating instructions
2020321-20ABBE-C
Directory of contents
5.4Cleaning the deep-frying basin..................................................... 30
5.5Cleaning the heating element ....................................................... 31
5.6Cleaning the drain .......................................................................... 32
6Troubleshooting ............................................................... 33
6.1Cause of failure and the remedy................................................... 33
6.2Nameplate ....................................................................................... 33
7Carrying out maintenance ............................................... 34
8Disposing of the unit in an environmentally responsible
manner ................................................................................. 35
9Manufacturer's declaration.............................................. 36
2020321-20ABBE-C
5Operating instructions
Directory of contents
6 Operating instructions
2020321-20ABBE-C
1 Introduction
1.1 About this manual
Introduction
The operating instructions are part of the unit and contain information:
• On safe operation,
• On cleaning and care,
• On remedies in case of faults.
Be aware of the following notes and adhere to them:
• Read the operating instructions completely before operating the
unit for the first time.
• Make the operating instructions available to the operator at all
times at the operating site of the unit.
• Insert any supplements from the manufacturer.
• Keep the operating instructions throughout the service life of the
unit.
• Pass on the operating instructions to any subsequent operator of
the unit.
Target group The target group of the instruction manual is the operator, who is
entrusted with the operation, cleaning and care of the unit.
Figures All figures in this manual are intended as examples. Discrepancies
between these and the actual unit can arise.
2020321-20ABBE-C
7Operating instructions
Introduction
1.1.1 Explanation of signs
DANGER
Imminent threat of danger
Failure to comply will lead to death or very severe injuries.
WARNING
Possible threat of danger
Failure to comply can lead to death or very severe injuries.
CAUTION
Dangerous situation
Failure to comply can lead to slight or moderately severe
injuries.
ATTENTION
Physical damage
Failure to comply can cause physical damage.
Notes for better understanding and operation of the unit.
Symbol / sign Meaning
• Listing of information.
Action steps, which can be performed
in any sequence.
1.
2.
Action steps, which must be performed
in the specified sequence.
Result of an action performed or
additional information about it.
8 Operating instructions
2020321-20ABBE-C
1.2 Intended use
Introduction
This unit is intended to be used solely for commercial purposes,
particularly in commercial kitchens.
This unit may only be used with suitable accessories and for the
cooking of food.
It is forbidden to use the unit for purposes, which include the
following:
• Drying cloths, paper or dishes
• Heating rooms
• Heating acids, alkaline solutions or other chemicals
• Heating flammable liquids
• Heating of closed containers (for example preserves)
The use of the unit is prohibited in the following countries:
• USA
• Canada
1.3 Guarantee, warranty and liability
The warranty is void and safety is no longer assured in the event of:
• Improper conversion or technical modifications of the unit,
• Improper use,
• Incorrect startup, operation or maintenance of the unit,
• Problems resulting from failure to observe these instructions.
2020321-20ABBE-C
9Operating instructions
Safety information
2 Safety information
The unit complies with applicable safety standards. Residual risks
associated with operation or risks resulting from incorrect operation
cannot be ruled out and are mentioned specifically in the safety
instructions and warnings.
The operator must be familiar with regional regulations and observe
them.
Operation Individual below 16 years of age are not allowed to operate the unit.
During operation, the following group of individuals must be
supervised by an individual who is responsible for safety:
• Individuals with physical, sensory, or mental handicaps, or who
The supervising individual must be familiar with the unit and the risks
associated with it.
Hot surfaces Risk of burns from hot surfaces
lack the knowledge and experience to operate the unit properly.
• Protect arms and hands by wearing suitable protective gloves.
• Do not touch heating elements, hot surfaces or accessories
immediately after use.
• Allow surfaces to cool prior to cleaning.
Hot liquids Risk of burns from hot liquids
• Protect arms and hands by wearing suitable protective gloves.
• Remove, transport and empty baskets carefully.
• Observe the maximum filling quantity.
• Open the drain carefully and empty the unit.
Risk of scalding from hot oil
• Protect arms and hands by wearing suitable protective gloves.
• Prior to deep frying, remove excess ice from frozen foods to be
cooked.
• Prior to deep frying, dry wet foods to be cooked.
Risk of chemical burns from evaporating cleaners
• Follow the instructions of the cleaning agent manufacturer.
Risk of burns from steam
• Protect arms and hands by wearing protective gloves.
• Open the drain carefully and empty the unit.
• Dry unit completely after cleaning it.
10 Operating instructions
2020321-20ABBE-C
Defective unit Risk of injury from a defective unit
• Disconnect a defective unit from the electric mains.
• Do not operate a defective unit.
• Allow only an authorized technician to repair the unit.
Fire prevention Risk of fire from dirt and grease deposits
• Clean the unit when finished using it.
• When the oil starts to become rancid, replace the deep-frying oil
completely; do not add oil.
Risk of fire from overheating
• Observe the unit during operation.
• Observe the maximum filling quantity.
• Observe the minimum filling quantity.
Firefighting
Safety information
• In the event of a fire, disconnect the unit from the electric mains.
• Use a Fire Class F fire extinguisher, never water, to extinguish
grease fires. Other fires, for instance, can be extinguished with fire
extinguishers suitable for Fire Classes A, B, C, CO2 fire
extinguishers or extinguishing media suitable for the fire class
confronted.
Unit on casters Risk of injury from a unit on casters
• Attach units with a wall side narrower than 600mm to the wall at
the installation site.
• Move the unit only for cleaning or maintenance.
• Lock casters during operation.
• Only move an empty unit.
Risk of a line breaking if subjected to high tensile load
• Secure the unit with a chain as a strain relief for the power
connection at the installation site so that no tensile load is applied
to the power connection if the unit is moved.
Improper cleaning Risk of chemical burns from cleaning agent
2020321-20ABBE-C
• Follow the instructions of the cleaning agent manufacturer.
• Take appropriate protective measures when handling aggressive
cleaning agents.
Risk of falling on smooth floors
• Keep the floor in front of the unit clean and dry.
11Operating instructions
Safety information
Risk of injury from improper cleaning
• Dry the unit completely after cleaning it.
Risk of physical damage from improper cleaning
• Clean the unit after using it.
• Do not clean the unit with a high-pressure cleaner or water jet.
• Do not clean the housing with highly abrasive or chemically
aggressive cleaning agents.
• Do not clean the housing with highly abrasive sponges.
• Follow the instructions of the cleaning agent manufacturer.
• Do not cool shock the unit by cooling it abruptly.
• Do not use any bleaching or chlorine-containing cleaners or
disinfectants.
• Do not immerse the housing in water.
Hygiene Hygiene risk from rancid oil
• When the oil starts to become rancid, replace the deep-frying oil
completely; do not add oil.
Health risk from insufficient hygiene
• Observe applicable regional hygiene regulations.
• Follow the cleaning instructions.
Improper use Risk of physical damage from improper use
• Do not operate the unit outdoors.
• Use only original accessories.
• Train operators regularly.
• Do not heat food warmer plates or tins of preserved food.
• Observe the unit during operation.
• Do not melt solid deep-frying oil in the deep-frying pan.
• Use only commercially available deep-frying oils when operating
the unit.
12 Operating instructions
2020321-20ABBE-C
3 Description of the unit
a
b
c
d
e
f
g
h
i
The unit is intended for universal use in commercial kitchens for
cooking food. The unit may only be used for deep-frying starch- and
protein-containing food with suitable deep-frying oils.
3.1 Overview of the unit
3.1.1 Floor-standing unit
Description of the unit
Image: Paris deep-fat fryer, here: OPEFRIPS
a Equipment leg f London 1 deep-frying basket
b Paris deep-frying basket g Control panel
c Lid h Drain
d Swivel mechanism housing i Nameplate
e Swivel mechanism control lever
2020321-20ABBE-C
13Operating instructions
Description of the unit
a
c
b
f
g
d
e
3.1.2 Countertop unit
Image: Deep-fat fryer, here: SLEFRIL2
a Lid e Drain
b London 1 deep-frying basket f Swivel mechanism control lever
c Nameplate g Swivel mechanism housing
d Operating elements
3.2 Function of the operating and display elements
Operating/display element Symbol Designation Function
On/Off
control knob 0 Off Switching off the unit
1 On Switching on the unit
Temperature
Heating
control knob Off Switching off the heating element
100 – 185°C Temperature Setting the heating element; adjustable
temperature
indicator light Illuminates, if the heating element is active
3.3 Fill quantities
Unit Fill quantity of food to
be cooked (kg)
Maximum Minimum / Maximum
Fill quantity of oil (l)
Paris 1 x 2.5 1 x 15 / 1 x 30
London 1 1 x 1.2 1 x 6.5 / 1 x 12.5
London 2 2 x 1.2 2 x 6.5 / 2 x 12.5
14 Operating instructions
2020321-20ABBE-C
3.4 Operating temperature
Quantity Temperature
Small to medium quantity 150°C
Large quantity 160 – 180°C
3.4.1 Recommended cooking temperature and cooking time
Description of the unit
Food to be cooked Cooking temperature
(°C)
Doughnuts 170 3 — 4
Cauliflower 170 2 — 3
Fish fillet 170 2 — 6
Trout 160 2 — 4
Chicken, portioned 170 3 — 8
Quick-frying food 170 2 — 4
Chips, pre-blanched and
deep-frozen
Chips, pre-blanched and
defrosted
Fried pastries 180 2 — 3
Onion rings 170 1 — 3
175 3 — 5
175 2 — 3
Cooking time (minutes)
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15Operating instructions
Operating the unit
4 Operating the unit
4.1 Tips for use
In order to use the unit to its optimum and avoid heat loss:
• Reduce the temperature during brief pauses.
• Put the lid on during brief pauses.
• Unit with several deep-frying tanks: Switch off heat zones that are
not required.
4.2 Switching the unit on and off
4.2.1 Switching on
4.2.2 Switching off
Turn the
The unit is now on.
Turn the
The unit is now off.
ATTENTION
Risk of physical damage from switching off improperly
If there is a power failure or the unit is switched off by a main
switch, it does not switch off automatically. When the power
supply is switched on again, the unit is still on.
• Make sure that the unit is switched off, when the power
supply is switched on again.
On Off
On Off
control knob to "1".
control knob to "0".
16 Operating instructions
2020321-20ABBE-C
4.3 Swinging the heating element in and out
a
b
CAUTION
Risk of burns from hot surfaces
• Protect arms and hands by wearing suitable protective
gloves.
Operating the unit
Image: Engaging the heating element
a Heating element holder b Catch for the heating element
4.3.1 Swinging the heating element out
1. Press the
heating element holder engages on its catch.
4.3.2 Swinging the heating element in
1. Press the
2. Release the holder forwards.
3. Lower the heating element into the deep-frying tank.
4.4 Basic functions
4.4.1 Setting the cooking temperature
Requirement The unit is on
Turn the
The
Heating
Swivel mechanism
Swivel mechanism
Temperature
control knob to the desired temperature.
indicator light illuminates.
holder
control lever downwards, until the
control lever slightly upwards.
2020321-20ABBE-C
After the set temperature has been reached: the
indicator light goes out.
Heating
17Operating instructions
Operating the unit
4.4.2 Starting the deep-frying cooking mode
CAUTION
Risk of injury from deep-frying oil foaming over
• Protect arms and hands by wearing suitable protective
gloves.
• Briefly defrost and dry any frozen food to be cooked.
• Dry wet food to be cooked.
• Do not exceed the maximum fill quantity for the food being
cooked.
ATTENTION
Risk of physical damage from too small a fill quantity
Observe the
Minimum fill level
mark.
Check the fill quantity regularly during operation.
ATTENTION
Risk of physical damage from contaminants
An excess amount of panade residue in the fat or oil can lead to
slow draining when cleaning.
When the food being cooked has a high panade content, always
use the oil clarity insert.
If the cooking temperature falls below the selected cooking
temperature, heating starts automatically. The
Heating
indicator
light illuminates.
Image: Suspending the deep-frying basket on the swivel mechanism housing
Requirements Drain closed
Filled with deep-frying oil
The unit is on
1. Suspend the deep-frying basket on the swivel mechanism
housing.
18 Operating instructions
2020321-20ABBE-C
2. Load the food to be cooked into the deep-frying basket.
Do not exceed the maximum fill quantity of the deep-frying
baskets.
3. Set the cooking temperature.
The Heating indicator light goes out, after the cooking
temperature has been reached.
Observe the recommended cooking temperatures and cooking
times when deep-frying.
4. Insert the deep-frying basket into the deep-frying basin.
The deep-frying starts.
4.4.3 Ending the deep-frying cooking mode
If the cooking temperature falls below the selected cooking
temperature, heating starts automatically. The
light illuminates.
Operating the unit
Heating
indicator
2020321-20ABBE-C
Image: Suspending the deep-frying basket on the swivel mechanism housing
Requirement Filled with deep-frying oil
The unit is on
Cooking temperature set
Cooking process started
Turn the
Temperature
Lift the deep-frying basket out of the deep-frying tank.
Suspend the deep-frying basket on the
housing and allow the deep-frying oil to drip out.
The heating element remains on.
The deep-frying cooking mode is ended
control knob to 120°C.
swivel mechanism
19Operating instructions
Operating the unit
4.5 Handling deep-frying oil
DANGER
Risk of explosion from hot oil or fat
Risk of a fat explosion when extinguishing burning fat or oil with
water or an extinguishing agent that contains water.
• Always use a Fire Class F fire extinguisher to extinguish fat
• Smother the flame with a flame-retardant fire blanket.
• Never extinguish burning fat with water!
DANGER
Risk of burns due to hot oil or fat being sprayed about
suddenly from an explosion of fat
Risk of delayed explosion of fat, if water (100 to 2000ml) gets
into hot fat or deep-frying oil.
• Switch off the deep-fat fryer immediately, even if nothing
• Remove yourself immediately from the deep-fat fryer.
• Warn persons near to the deep-fat fryer.
• All persons must keep a safety distance of at least 5metres
• If the deep-fat fryer was not switched off immediately, switch
• Before emptying the fat, allow it to cool down and then
fires.
appears to be happening. The delayed explosion of fat can
occur between a few seconds and several minutes.
from the unit.
it off from a safe distance via the fuse box for example.
dispose of it properly.
CAUTION
Risk of burns from hot oil or fat that is foaming over
The use of old fat or fat with a high proportion of frying or
coating residue increases the risk, that hot fat will foam over.
• Clean or replace fat in accordance with the manufacturer's
instructions.
CAUTION
Risk of burns from emptying hot oil or fat
• Before emptying the fat, allow it to cool down sufficiently.
ð Fill hot fat or oil into heat-resistant containers.
ð Only decant oil or fat into plastic containers after it has
cooled down, so that the containers are not damaged.
2020321-20ABBE-C
20 Operating instructions
Operating the unit
CAUTION
Hygiene risk from fat residue
Fat residue is a hygiene risk.
• Avoid fat residue underneath the heating element.
• When replacing the fat, warm it to a temperature of
maximum 100 °C.
ð Stir the fat with a suitable implement until it has reached
temperature, so that the fat underneath the heating
element is completely liquefied.
CAUTION
Hygiene risk from rancid oil
• When the oil starts to become rancid, replace the deep-frying
oil completely; do not add oil.
• Observe the manufacturer's information regarding the
duration of use of the deep-frying oil.
ATTENTION
Risk of fire from hot oil or fat
Spontaneous combustion of hot fat or oil can occur above
approximately 350 °C.
The greater the proportion of frying or coating residue, the
higher the risk of fire.
• Do not leave the unit unattended.
• Do not overheat the fat.
• "Smoking" fat means an increased risk of fire.
• Clean or replace fat in accordance with the manufacturer's
instructions.
ATTENTION
Risk of fire from hot oil or fat
Old oil or fat has a lower ignition point.
The use of old fat or oil increases the risk of fire.
• Do not overheat the fat.
• "Smoking" fat means an increased risk of fire.
• Clean or replace fat in accordance with the manufacturer's
instructions.
2020321-20ABBE-C
21Operating instructions
Operating the unit
4.5.1 Ensuring that the oil is fit for human consumption
Deep-frying oil counts as food. It must be fit for human consumption.
The suitability of the deep-frying oil for human consumption can be
checked with quick-tests from specialist shops (e.g. 3M oil test strip).
The suitability of the deep-frying oil for human consumption can be
extended by the following measures:
• Shake loose breadcrumbs from breaded food, before the food is
fried.
• Do not overheat deep-frying oil (160 – 180°C is sufficient).
• Cover the unit with the lid during pauses.
• Do not reduce the temperature of the deep-frying oil below 120°C
during longer interruptions in operation.
• Deep-frying oil that has been consumed during operation should
be supplemented by the amount consumed.
• Replace the deep-frying oil before it becomes rancid.
• Filter the deep-frying oil.
• Clean the unit carefully.
• Empty, clean and cover the unit when unused.
• If the deep-frying oil is not being used, store it hermetically sealed
and cool away from light.
Collect rancid deep-frying oil in suitable containers and dispose of it
properly in accordance with the regulations.
22 Operating instructions
2020321-20ABBE-C
4.6 Filling the deep-frying oil
a
b
WARNING
Risk of burns from the oil
The deep-frying oil can ignite, if the minimum fill quantity is not
met.
• Observe the fill level mark.
Operating the unit
a Maximum fill level mark
b Minimum fill level mark
Requirements Unit switched off and cooled down
Drain closed
1. Remove the lid.
2. Warm solidified deep-frying fat in a saucepan before pouring in.
3. Fill the deep-frying oil in the quantity required for the food to be
cooked.
4.6.1 Gently heating up deep-frying oil
To extend the useful life of the deep-frying oil, do not use the highest
temperature setting when first heating the oil at the start of work. The
oil should be heated slowly.
2020321-20ABBE-C
23Operating instructions
Operating the unit
4.7 Deep-frying
CAUTION
Risk of injury from deep-frying oil foaming over
• Protect arms and hands by wearing suitable protective
gloves.
• Briefly defrost and dry any frozen food to be cooked.
• Dry wet food to be cooked.
• Do not exceed the maximum fill quantity for the food being
cooked.
ATTENTION
Risk of physical damage from contaminants
An excess amount of panade residue in the fat or oil can lead to
slow draining when cleaning.
When the food being cooked has a high panade content, always
use the oil clarity insert.
Reduction of acrylamide level
Regulation EU 2017/2158 applies in Europe with effect from
2018-04-11.
This requires that the lowest possible acrylamide level must be
achieved when cooking potato products, for example in a deepfat fryer.
MKN therefore recommends the following for potato products:
• Do not exceed a deep-frying temperature of 175 °C, as long
as the food manufacturer states, that this is safe for his
product.
• Avoid excessive deep-frying.
• In the case of lower deep-frying temperatures, reduce the
quantity of food to be cooked, so that you prevent excessive
absorption of fat by the food being cooked.
• If possible, use pre-blanched products.
• Observe the cooking instructions on the product packaging
or otherwise stated by the food manufacturer.
• Check regularly that the desired oil temperatures in the
deep-fat fryer are being maintained.
24 Operating instructions
2020321-20ABBE-C
Image: Suspending the deep-frying basket on the swivel mechanism housing
Requirements Drain closed
Filled with deep-frying oil
The unit is on
1. Suspend the deep-frying basket on the swivel mechanism
housing.
2. Load the food to be cooked into the deep-frying basket.
Operating the unit
Do not exceed the maximum fill quantity of the deep-frying
baskets.
3. Set the cooking temperature.
The
Heating
indicator light goes out, after the cooking
temperature has been reached.
Observe the recommended cooking temperatures and cooking
times when deep-frying.
4. Insert the deep-frying basket into the deep-frying tank.
The deep-frying starts.
Desired degree of cooking reached.
5. Turn the
Temperature
control knob to "120°C".
6. Lift the deep-frying basket out of the deep-frying tank.
7. Suspend the deep-frying basket on the swivel mechanism housing
and allow the deep-frying oil to drip out.
8. The heating element remains on.
The deep-frying cooking mode is ended
2020321-20ABBE-C
25Operating instructions
Operating the unit
4.8 Emptying the deep-frying oil
CAUTION
Risk of burns from emptying hot oil or fat
• Before emptying the fat, allow it to cool down sufficiently.
ð Fill hot fat or oil into heat-resistant containers.
ð Only decant oil or fat into plastic containers after it has
cooled down, so that the containers are not damaged.
CAUTION
Risk of scalding from hot oil
• Protect arms and hands by wearing suitable protective
gloves.
• Use heat-resistant containers with handles and lockable lids
for transportation.
• Observe the maximum fill quantity for the unit.
4.8.1 Floor-standing unit
Requirements Deep-frying fat is liquid
CAUTION
Risk of burns from hot surfaces
• Protect arms and hands by wearing suitable protective
gloves.
Unit switched off
Deep-frying basket removed
Heating element swung out and engaged in position
1. Place a suitable collection container underneath.
2. Open the drain slowly.
3. Empty the deep-frying oil.
4. Close the drain.
5. Close the lid on the collection container when transporting.
6. Collect rancid deep-frying oil in suitable containers and dispose of
it properly in accordance with the regulations.
26 Operating instructions
2020321-20ABBE-C
4.8.2 Countertop unit
A B
a
b
Operating the unit
ATTENTION
Risk of physical damage from inadequate cleaning
A drain, which is not cleaned regularly or only inadequately, can
cause delayed oil drainage. A fat fire can arise from delayed oil
drainage, if the deep-fat fryer has not been switched off as
prescribed.
Clean the drain regularly and carefully.
a Key b Drain
Requirements Deep-frying fat is liquid
Unit switched off
Deep-frying basket removed
Key for opening the drain is available
Heating element swung out and engaged (see "Swinging the heating
element in and out")
1. Place a suitable collection container underneath.
2. Insert the key and turn it anticlockwise.
The drain opens.
3. Empty the deep-frying oil.
4. Turn the key clockwise.
Drain closed.
5. Close the lid on the collection container for transporting.
6. Collect rancid deep-frying oil in suitable containers and dispose of
it properly in accordance with the regulations.
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27Operating instructions
Operating the unit
4.9 Pausing and end of use
4.9.1 Short pause
Requirement The unit is on
The food being cooked has been removed
Temperature
The
4.9.2 Longer pauses and end of use
Requirements The unit is on
The food being cooked has been removed
1. Turn the
The
2. Turn the
The unit is off.
control knob on
Heating
indicator light goes out.
Temperature
Heating
On/Off
indicator light goes out.
control knob to "0".
Off
.
control knob to
Off
.
28 Operating instructions
2020321-20ABBE-C
5 Cleaning and caring for the unit
WARNING
Risk of scalding from hot steam
Hot deep-frying oil causes residual water to vaporise
explosively.
• Dry deep-fat fryers completely after cleaning.
CAUTION
Risk of burns from hot surfaces
• Allow surfaces to cool prior to cleaning.
ATTENTION
Risk of physical damage from improper cleaning
• Do not clean the unit with a high-pressure cleaner or water
jet.
Cleaning and caring for the unit
5.1 Preventing corrosion
• Keep the surfaces of the unit clean and with access to air.
• Remove lime, grease, starch and protein deposits.
• Only expose parts made from non-rusting steel to brief contact
• Avoid damaging the stainless steel surface with other metal items,
ATTENTION
Risk of physical damage due to incorrectly placed
temperature sensor
Displaced or loose temperature sensors can lead to
malfunctioning of the safety devices.
After cleaning, always check that the temperature sensors are
seated properly.
If the oil clarifying tray is inserted incorrectly, the heating
element can not be swung back completely. The unit does not
then heat up.
with highly acidic foods, spices, salts or the like.
for example steel spatulas or steel wire brushes.
2020321-20ABBE-C
• Prevent contact with iron and steel, for example steel wool and
steel spatulas.
• Do not use bleaching or chlorine-containing cleaning agents.
• Clean contact surfaces with water.
29Operating instructions
Cleaning and caring for the unit
5.2 Removing rust spots
• Remove fresh rust spots with a mild abrasive or fine sandpaper.
• Always remove rust spots completely.
• Expose treated areas to fresh air for at least 24 hours. During this
time, do not allow any contact with greases, oils or foods so that a
new protective layer can form.
5.3 Cleaning the housing
Requirement Unit switched off and cooled down
Clean the housing with warm water and commercially available
washing-up liquid.
5.4 Cleaning the deep-frying basin
Requirements Deep-frying oil emptied
Unit switched off and cooled down
1. Close the drain.
2. Place a suitable collection container underneath.
3. Remove the deep-frying basket.
4. Swing the heating element out with the swivel mechanism control
lever and engage it in position.
5. Lift the oil clarity insert carefully out of the deep-frying basin and
empty it.
6. Thoroughly clean the deep-frying basin, deep-frying basket and oil
clarity insert with warm water and mild cleaning agent.
7. Let the cleaning water drain away.
8. Rinse with clear water and then dry.
9. Clean and dry the drain and drain pipe thoroughly with a bottle
brush.
10.Empty the collection container.
11.Hook in the oil clarity insert.
12.Lift the heating element slightly with the swivel mechanism control
lever and then fold in the swivel mechanism locking lever.
13.Swing the heating element back into the deep-frying basin with the
swivel mechanism control lever.
14.Insert the deep-frying basket.
15.Place the lid on.
30 Operating instructions
2020321-20ABBE-C
5.5 Cleaning the heating element
Requirements Deep-frying oil emptied
Unit switched off and cooled down
Deep-frying basket removed
1. Close the drain.
2. Place a suitable collection container underneath.
3. Load in the water up to the
4. Switch on the unit and heat the water to 90°C.
5. Switch off the unit.
6. Allow incrustation to soak for approx.30minutes.
Add several drops of commercially available cleaning agent.
7. Open the drain slowly and let the water run into the collection
container.
8. Close the drain.
9. Swing the heating element out with the swivel mechanism control
lever
Cleaning and caring for the unit
Maximum fill
level mark.
The swivel mechanism locking lever engages.
The heating element cools down.
10.Clean the heating element with a soft brush, warm water and
commercially available cleaning agent.
11.Rinse with clear water and then dry thoroughly.
12.Clean the deep-frying tank (see "Cleaning the deep-frying tank").
13.Lift the heating element slightly with the swivel mechanism control
lever.
14.Fold in the swivel mechanism locking lever.
15.Swing the heating element back into the deep-frying basin with the
swivel mechanism control lever.
16.Check that the temperature sensors are seated properly.
2020321-20ABBE-C
Image: Temperature sensors for deep-fat fryer
31Operating instructions
Cleaning and caring for the unit
5.6 Cleaning the drain
Requirements Deep-frying oil emptied
Unit switched off and cooled down
Deep-frying basket removed
Heating element swung out and engaged in position
Oil clarity insert removed
Suitable collection container placed underneath
1. Open the drain completely.
2. Clean the drain thoroughly with a bottle brush.
3. Clean the drain with clear water.
4. Close the drain completely.
Use a mild cleaning agent if required.
Rinse thoroughly with clear water.
32 Operating instructions
2020321-20ABBE-C
Troubleshooting
6 Troubleshooting
6.1 Cause of failure and the remedy
Failure Possible causes Remedy
The unit does not react Operating element defective • Disconnect the unit from the electric
mains.
• Contact Customer service.
Fuse defective • Disconnect the unit from the electric
mains.
• Contact Customer service.
Ambient temperature is below 0°C,
the safety temperature limiter has
tripped
The unit does not heat up Unit defective • Disconnect the unit from the electric
Power supply interrupted • Contact the authorized technical person-
Temperature control knob or
heating element is defective
The unit is switched off • Switch on the unit.
Temperature control knob in the
" " position
Insufficient heat output Heating element defective • Disconnect the unit from the electric
Mains phase missing • Contact the authorized technical person-
Unit switches off No mains voltage • Contact the authorized technical person-
• Disconnect the unit from the electric
mains.
• Contact Customer service.
mains.
• Contact Customer service.
nel.
• Disconnect the unit from the electric
mains.
• Notify Customer service.
• Set the temperature.
mains.
• Contact Customer service.
nel.
nel.
The
Heating
illuminate
indicator light does not
6.2 Nameplate
2020321-20ABBE-C
Unit or
Heating
defective
indicator light is
• Disconnect the unit from the electric
mains.
• Contact Customer service.
When contacting Customer service, please always provide the
following data from the nameplate:
Serial number
(SN)
Type number
(TYP)
33Operating instructions
Carrying out maintenance
7 Carrying out maintenance
The unit is maintenance-free, there are no maintenance
requirements.
34 Operating instructions
2020321-20ABBE-C
Disposing of the unit in an environmentally responsible manner
8 Disposing of the unit in an environmentally responsible manner
Do not dispose of unit or the unit's components together with nonrecyclable waste. If the unit is disposed of together with nonrecyclable waste or treated improperly, toxic substances contained in
the unit can damage health and pollute the environment.
Dispose of the unit in accordance with local regulations for used
appliances. Clarify any open questions with the responsible agencies
(for instance, solid waste management).
Oil and fat Residue that contains oil and fat must be collected in suitable
containers and disposed of in accordance with the local disposal
regulations.
Cleaning agents Dispose of leftover cleaning agents and cleaning agent containers in
accordance with the information provided by the cleaning agent's
manufacturer. Observe applicable regional regulations.
Unit In addition to valuable materials, used electrical and electronic
equipment also contains harmful substances that were needed for
their operation and safety.
2020321-20ABBE-C
35Operating instructions
Manufacturer's declaration
EC Declaration of Conformity
1 / 1
2020321--0KOBE-B en-GB
Manufacturer
MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG • Halberstädter Straße 2a • 38300 Wolfenbüttel,
Germany
We hereby declare, that the following product:
Description of the unit
Unit for cooking food in commercial applications
Unit type
Electric deep-fat fryer
Unit number
0720321 0720321B 0720325 0720325B 0720330 0720330B 10010028 10010373
10010374 10010806 10012105 1220301 1220301B 1220301J 1220303 1220303B
1220303J 1220303K 1220305 1220305B 1220305J 1220305K 1320321 1320321B
1320325 1320325B 1320330 1320330B 1420321 1420321B 1420325 1420325B
1420330 1420330B 1520321 1520321B 1520325 1520325B 1520330 1520330B
2020321 2020321B 2020325 2020325B 2020330 2020330B 2120321 2120321B
2120325 2120325B 2120330 2120330B 3020325 3020325B 3020330 3020330B
complies with the relevant provisions of the following directives and regulations, but does not contain any
assurance of properties:
• Directive 2011/65/EU (RoHS) dated 01 July 2011
• Directive 2014/30/EU dated 26 February 2014 on electromagnetic compatibility
• Directive 2014/35/EU dated 26 February 2014 on electrical equipment used within certain voltage limits
• REGULATION (EC) No. 1935/2004 dated 27 October 2004 on materials and objects, which are intended to
come into contact with food
Adduced basis for verification
DIN EN 55014-1:2012-05
EN ISO 12100:2010
EN55014-2:2015
EN 60335-1:2012
EN 60335-2-37:2002/A11:2012
The manufacturer bears the sole responsibility for issuing this Declaration of Conformity. This Declaration of
Conformity becomes invalid, if changes are made which are not agreed with us.
Wolfenbüttel, 25/01/2017
Person authorised to compile the technical documents: ppa. Peter Helm,Chief Technical Officer (address as
manufacturer)
Translation from the original document • 2020321--0KODE-B
9 Manufacturer's declaration
36 Operating instructions
2020321-20ABBE-C
www.mkn.com
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