MKN OPGHED4EB User manual

Operating instructions
Cooker with baking oven
Unit Type of
energy
Unit type Model
Cooker Gas Floor-standing unit OPGHED4EB
Baking oven Electric
Translation from the original document • 2063403-20ABDE-- • 08/06/2017
2063403-20ABBE-- en-GB
Read the operating instructions prior to
commissioning

Operating and display elements
Cooker
bbbb a
cccc
a Gas shut-off valve c Heat zone identification
b Burner control knob
Baking oven
0
a
b
c
a Temperature control knob c Heating control knob
b Heating indicator light
Cooking zone door
a
a Extractor hood control knob
2063403-20ABBE--
2 Operating instructions

Manufacturer
MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG
Halberstädter Strasse 2a
38300 Wolfenbüttel
Germany
Phone [phone]
Fax [phone]
Internet www.mkn.eu
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
4 Operating instructions
1Introduction......................................................................... 7
1.1About this manual ............................................................................ 7
1.1.1Explanation of signs ..................................................................................  8
1.2Intended use ..................................................................................... 9
1.3Warranty............................................................................................ 9
2Safety information............................................................ 10
3Rules of conduct when the smell of gas is detected .... 13
4Description of the unit ..................................................... 14
4.1Overview of the unit ....................................................................... 14
4.1.1Distribution of the burners .......................................................................  15
4.2Function of the operating and display elements......................... 15
4.2.1Cooker.....................................................................................................  15
4.2.2Baking oven.............................................................................................  16
5Operating the cooker ....................................................... 17
5.1Tips for use ..................................................................................... 17
5.2Switching the cooker on and off................................................... 17
5.2.1Switching on ............................................................................................  17
5.2.2Switching off ............................................................................................  18
5.3Basic functions............................................................................... 18
5.3.1Sets the output ........................................................................................  18
5.3.2Putting on a simmer plate........................................................................  19
5.4Cooking ........................................................................................... 19
5.5Pausing and end of use ................................................................. 20
5.5.1Short pause .............................................................................................  20
5.5.2Long pause and end of use.....................................................................  21
5.5.3Testing the pilot burner function ..............................................................  21
6Operating the baking oven .............................................. 22
6.1Tips for use ..................................................................................... 22
6.2Switching the baking oven on and off.......................................... 22
6.2.1Switching on ............................................................................................  22
6.2.2Switching off ............................................................................................  22
6.3Basic functions............................................................................... 22
6.3.1Burning in the bottom of the cooking zone ..............................................  23
6.3.2Setting the operating mode .....................................................................  23
6.3.3Setting the temperature...........................................................................  23
6.3.4Setting preheating ...................................................................................  23
6.3.5Pausing and end of use...........................................................................  24
6.4Baking ............................................................................................. 24
7Cleaning and caring for the unit ..................................... 26
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Directory of contents
5Operating instructions
7.1Preventing corrosion ..................................................................... 26
7.2Removing rust spots...................................................................... 26
7.3Cleaning the housing..................................................................... 27
7.4Cleaning heat zone......................................................................... 27
7.5Cleaning the burner ....................................................................... 27
7.6Cleaning the baking oven.............................................................. 28
7.7Cleaning the seal of the cooking zone door................................ 30
7.8Performing a visual inspection ..................................................... 30
8Troubleshooting ............................................................... 31
8.1Cause of failure and the remedy................................................... 31
8.1.1Cooker.....................................................................................................  31
8.1.2Baking oven.............................................................................................  31
8.2Nameplate ....................................................................................... 32
9Carrying out maintenance ............................................... 33
10Dispose of the unit in an environmentally responsible
manner ................................................................................. 34
11Manufacturer's declaration............................................ 35
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Directory of contents
6 Operating instructions
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Introduction
7Operating instructions
1 Introduction
1.1 About this manual
Figures All figures in this manual are intended as examples. Discrepancies
between these and the actual unit can arise.
Target group The target group of the instruction manual is the operator, who is
entrusted with the operation, cleaning and care of the unit.
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.
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Introduction
8 Operating instructions
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.
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Introduction
9Operating instructions
1.2 Intended use
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 acids, alkaline solutions or other chemicals
•Heating preserved food
•Heating flammable liquids
•Deep-frying
•Heating rooms
•Heating of warmer plates and GN containers
•Storing supplies
•As set-down area or working surface
•Using the cooking zone door as a standing or depositing surface
The use of the unit is prohibited in the following countries:
•USA
•Canada
1.3 Warranty
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.
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Safety information
10 Operating instructions
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 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
lack the knowledge and experience to operate the unit properly.
The supervising individual must be familiar with the unit and the risks
associated with it.
Hot surfaces Risk of burns from hot surfaces
•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.
•Open the cooking zone door only by means of the door handle.
•Remove containers and baking sheets only with suitable
protective gloves or potholders.
Hot liquids Risk of chemical burns from evaporating cleaners
•Follow the instructions of the cleaning agent manufacturer.
•Allow the cooking so to clean to a temperature below 60 °C and
then clean.
Risk of burns from steam
•Protect arms and hands by wearing protective gloves.
•Open the extractor hood carefully.
•Do not look into the extractor hood.
•Do not hold hands in front of the extractor hood.
•First open the cooking zone door slightly and allow the steam to
escape. Then open the cooking zone door completely.
Defective unit Risk of injury from a defective unit
•Disconnect a defective unit from the electric mains.
•Use gas shut-off valve to isolate unit from gas supply.
•Do not operate a defective unit.
•Allow only an authorized technician to repair the unit.
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Safety information
11Operating instructions
Escaping gas or exhaust
gas
Risk of asphyxiation and explosion from escaping gas
•Follow the rules of conduct when the smell of gas is detected (see
"Rules of conduct when the smell of gas is detected").
Risk of asphyxiation and poisoning from exhaust gases
•Ensure that air inlet openings are free and that a sufficient amount
of the necessary combustion air is supplied.
•Ensure that the exhaust gas outlet openings are free and that the
exhaust gases are discharged properly.
Fire prevention Risk of fire from dirt and grease deposits
•Clean the unit when finished using it.
Risk of fire from overheating
•Observe the unit during operation.
•Do not store any combustible objects or plastic containers in the
cooking zone.
Firefighting
•In the event of a fire, disconnect the unit from the electric mains.
•In the event of a fire, use the gas shut-off valve to isolate the unit
from the gas supply.
•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.
Improper cleaning Risk of chemical burns from cleaning agent
•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.
Risk of injury from improper cleaning
•Clean the cooking zone carefully. The cooking zone sensor
protrudes into the cooking zone.
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.
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Safety information
12 Operating instructions
•Follow the instructions of the cleaning agent manufacturer.
•Do not cool shock the unit by cooling it abruptly.
•Clean the cooking zone carefully. The cooking zone sensor
protrudes into the cooking zone.
•Removal overcooked food from the burner cup or burner head.
Hygiene 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.
•Use only cookware that is dry outside.
•Use only appropriate and undamaged cookware.
•Remove spices, overcooked food or the like immediately.
•Do not use cookware with a rough bottom.
•Do not fry directly on the bottom of the cooking zone.
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Rules of conduct when the smell of gas is detected
13Operating instructions
3 Rules of conduct when the smell of gas is detected
DANGER
Risk of asphyxiation and explosion from escaping gas
Follow the rules of conduct when the smell of gas is detected.
•Remain calm.
•Open windows and doors and ventilate rooms.
•Avoid rooms with the smell of gas.
•Do not smoke.
•Do not ignite any flames. Extinguish flames.
•Do not create any sparks. Do not operate any switches, electrical
devices or use telephones.
•Remove mobile phones and radio-controlled devices from the
hazard area.
•Close gas shut-off valves at the gas meter, at the main supply
and, if possible, at the units.
•Warn other individuals in the building. Call out and knock, do not
ring doorbells.
•Leave the building and prevent entry by others.
– Notify the gas utility stand-by service.
– Do not try to eliminate damage to the gas system by yourself.
•Observe the safety instructions of the gas utility.
•Once outside the building, notify the responsible parties:
– If the smell of gas comes from the unit, notify Customer
service.
– If the source of the gas smell can not be localised immediately,
notify the gas utility.
– If the escaping gas is audible, leave the building immediately,
prevent others from entering and notify the fire brigade, police
and gas utility.
– If the smell of gas comes from inaccessible rooms, notify the
fire brigade, police and gas utility.
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Description of the unit
14 Operating instructions
4 Description of the unit
4.1 Overview of the unit
The unit is intended for universal use in commercial kitchens for
cooking food in pots and pans on a surface. Possible uses are
cooking, stewing, frying, braising, boiling and combined frying and
cooking.
The frying and baking oven operates with top and bottom heating in a
closed cooking zone.
j
d
g
a
e
f
i h
c
b
k
Image: Cooker with baking oven
a Discharge channel g Nameplate
b Burner h Cooking zone door
c Pilot burner i Extractor hood
d Cooker control panel j Equipment leg (optional)
e Cooking zone door handle k Grate
f Baking oven control panel
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Description of the unit
15Operating instructions
b
a
c
Image: Cooker with baking oven, door open
a Slide-in rail c Baking tray
b Grate
4.1.1 Distribution of the burners
D
E
C
C
Image: Distribution of the burners
Type Output (kW)
C burner 3.5
D burner 5.6
E burner 7.0
4.2 Function of the operating and display elements
4.2.1 Cooker
Operating/display element Symbol Designation Function
Burner control knob Off Switch off the heat zone
Ignition Supply gas to the pilot burner, short
operating pause
... Output Set the flame
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Description of the unit
16 Operating instructions
Operating/display element Symbol Designation Function
Gas shut-off valve On Switch on gas supply
Off Switch off gas supply
4.2.2 Baking oven
Symbol Operating/display element Function
"0" Heating mode control knob •Switches off baking oven
•Selects heating from above
•Selects heating from below
•Selects heating from above and be-
low
Temperature control knob •Switches off heating
50°C —
300°C
•Adjusts the temperature
Heating indicator light •Illuminates when heating is active
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Operating the cooker
17Operating instructions
5 Operating the cooker
DANGER
Risk of burns from escaping hot food being cooked
Ensure that cookware can not tilt.
DANGER
Risk of fire from the grate slipping and cookware tilting
Ensure that all heat zones are always covered with a grate or
simmer plate. Heat zones with a single grate must not be
operated without a grate or simmer plate that is directly adjacent
to the hob.
CAUTION
Risk of burns from hot surfaces
• Protect arms and hands by wearing suitable protective
gloves.
5.1 Tips for use
•Use suitable cooking utensils.
– Suitable cooking utensils are those made of metal, such as for
example steel, stainless steel, copper or cast iron, and they
should have a flat bottom.
– Unsuitable cooking utensils are those made of plastic, glass or
ceramics.
•The shape and size of the cooking utensils can be freely selected.
•Avoid overcooking.
•Place the lid on when cooking.
•Switch off heat zones that are not required.
5.2 Switching the cooker on and off
5.2.1 Switching on
b
a
Image: Switching on the heat zone
a Pilot burner b Lighter
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Operating the cooker
18 Operating instructions
Requirements Gas shut-off valve on the unit is closed
1. Turn the gas shut-off valve to the " " setting.
Gas shut-off valve on the unit is open.
2. Press the Burner control knob and turn it to the " " setting.
3. Keep the Burner control knob pressed on the " " setting.
Gas flows to the pilot burner.
4. Ignite the pilot burner with a suitable lighter.
5. After 10 seconds let go of the Burner control knob.
The pilot burner continues to burn automatically.
If there is no ignition, repeat the procedure.
6. Turn the Burner control knob to the " " setting.
The burner is ignited.
The burner burns at full load.
Heat zone is on.
5.2.2 Switching off
During operation the Burner control knob is safeguarded against
unintentional shifting to the " " setting.
Press the Burner control knob and turn it to the " " setting.
Gas supply is stopped.
The burner is switched off.
The pilot burner is switched off.
Heat zone is off.
5.3 Basic functions
5.3.1 Sets the output
During operation the Burner control knob is safeguarded against
unintentional shifting to the " " setting.
Increase the flame: Turn the Burner control knob in the " "
direction.
Reduce the flame: Press the Burner control knob and turn it in
the " " direction.
The output can be freely adjusted between the maximum and
minimum output.
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Operating the cooker
19Operating instructions
Requirements Heat zone is on
1. Press the Burner control knob and turn it to the " " setting.
The burner is ignited.
The unit operates at maximum output.
2. Turn the Burner control knob to the " " setting.
The unit operates at minimum output.
5.3.2 Putting on a simmer plate
ATTENTION
Risk of physical damage from improper use
Each burner must always be covered with a grate or simmer
plate.
In the case of 2-, 4- and 6-flame cookers, a maximum of one
heat zone is allowed to be operated as a simmer plate.
A B
a
b
Image: Grate and simmer plate
a Grate b Simmer plate
The simmer plate can be used for simmering and keeping food warm.
1. Select the heat zone for simmering or keeping food warm.
2. Remove the grate.
3. Put the simmer plate on the burner.
4. Put a single grate on the free heat zone.
5.4 Cooking
CAUTION
Risk of burns from hot surfaces
• Protect arms and hands by wearing suitable protective
gloves.
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Operating the cooker
20 Operating instructions
CAUTION
Risk of scalding from hot steam or hot food being cooked
Scalding from hot escaping steam or hot food being cooked can
occur, when cooking utensils are being opened, closed or
moved.
• Cooking utensils must be carefully opened, closed and
moved.
Cooking encompasses a number of cooking modes, such as for
example cooking, frying and braising.
Requirement Unit ready for use
1. Switch on the heat zone (see "Switching the unit on and off").
2. Place cooking utensil on the heat zone.
Distribute a larger cooking utensil evenly over several heat
zones.
3. Set the output (see "Basic functions").
The flame changes.
The heat zone is heated.
The cooking utensil is heated.
4. Depending on the desired cooking mode, continue with the
cooking of the food.
5. Switch off the heat zone (see "Switching the unit on and off").
The heat zone cools down.
6. Remove the cooking utensil from the heat zone.
5.5 Pausing and end of use
Switch off the unit during pauses and at end of use.
5.5.1 Short pause
When restarting the unit after pauses, first check the function of
the pilot burner in order to prevent a flash fire.
1. Press the Burner control knob and turn it to the " " setting.
The burner is switched off.
The pilot burner remains on.
2. Press the Burner control knob and turn it to the " " setting.
The burner is ignited.
The burner burns at full load.
Heat zone is on.
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