MKN OPGHEG1 Series User manual

Operating instructions
Cooker
Unit Type of
energy
Unit type Model
Cooker with simmer plate Gas Floor-standing unit OPGHEG1...
Suspended unit OIGHEG1...
Translation from the original document • 2063501-20ABDE-A • 08/06/2017
2063501-20ABBE-A en-GB
Read the operating instructions prior to
commissioning

Operating and display elements
Cooker
ca b
a Inspection port c Burner control knob
b
Piezo pilot ignitor button
2063501-20ABBE-A
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Floor-standing unit...................................................................................  14
4.1.2Suspended unit .......................................................................................  16
4.2Function of the operating and display elements......................... 16
5Operating the unit............................................................. 17
5.1Tips for use ..................................................................................... 17
5.2Switching the unit on and off ........................................................ 17
5.2.1Switching on ............................................................................................  17
5.2.2Switching off ............................................................................................  18
5.3Burning-in the simmer plate.......................................................... 18
5.4Basic functions............................................................................... 19
5.4.1Adjusting the output.................................................................................  19
5.5Cooking ........................................................................................... 19
5.6Pausing and end of use ................................................................. 20
5.6.1Short pause .............................................................................................  20
5.6.2Long pause and end of use.....................................................................  21
6Cleaning and caring for the unit ..................................... 22
6.1Preventing corrosion ..................................................................... 22
6.2Removing rust spots...................................................................... 23
6.3Cleaning the housing..................................................................... 23
6.4Opening and closing the simmer plate ........................................ 23
6.4.1Opening the simmer plate .......................................................................  24
6.4.2Closing the simmer plate.........................................................................  24
6.5Cleaning the simmer plate............................................................. 25
6.6Cleaning the burners ..................................................................... 26
6.7Drying the simmer plate and burner............................................. 27
7Troubleshooting ............................................................... 28
7.1Cause of failure and the remedy................................................... 28
7.2Nameplate ....................................................................................... 28
8Carrying out maintenance ............................................... 29
2063501-20ABBE-A

Directory of contents
5Operating instructions
9Disposing of the unit in an environmentally responsible
manner ................................................................................. 30
10Manufacturer's declaration............................................ 31
2063501-20ABBE-A

Directory of contents
6 Operating instructions
2063501-20ABBE-A

Introduction
7Operating instructions
1 Introduction
1.1 About this manual
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.
2063501-20ABBE-A

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.
2063501-20ABBE-A

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:
•Operating without simmer plate
•Frying directly on the simmer plate
•Heating rooms
•Heating flammable liquids
•Heating acids, alkaline solutions or other chemicals
•Heating of warmer plates, containers and tins
•Drying cloths, paper or dishes
•As set-down area or working 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.
2063501-20ABBE-A

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.
Hot liquids Risk of chemical burns from evaporating cleaners
•Follow the instructions of the cleaning agent manufacturer.
Defective unit Risk of injury from a defective unit
•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.
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.
2063501-20ABBE-A

Safety information
11Operating instructions
Risk of fire from objects
•Do not obstruct the exhaust gas duct.
Firefighting
•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 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 block the openings in the simmer plate.
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.
2063501-20ABBE-A

Safety information
12 Operating instructions
•Do not fry directly on the simmer plate.
•Do not operate the unit without the simmer plate.
2063501-20ABBE-A

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.
2063501-20ABBE-A

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.
4.1.1 Floor-standing unit
a
b
d
c
e
Image: Cooker with simmer plate
a Exhaust gas duct d Nameplate and gas type
supplemental label
b Simmer plate e Equipment leg (optional)
c Control panel
2063501-20ABBE-A

Description of the unit
15Operating instructions
e
a
a
d
c
b
Image: Cooker with simmer plate, "open" simmer plate
a Lifting handle d Burner
b Insert plate e Pilot burner
c Swivel mechanism locking lever
2063501-20ABBE-A

Description of the unit
16 Operating instructions
4.1.2 Suspended unit
a
b
d
c
e
Image: Cooker with simmer plate
a Exhaust gas duct d Nameplate and gas type
supplemental label
b Simmer plate e Suspension mounting
c Control panel
4.2 Function of the operating and display elements
Operating/display element Symbol Designation Function
Burner control knob Off Switch off gas supply
Ignition Gas supply for pilot burner is released, the
burner is switched off
... Output Set the burner output
Piezo pilot ignitor button Ignite pilot burner
Flame monitoring inspection
port
Monitor flame
Inspection port Monitor ignition and flame pattern
2063501-20ABBE-A

Operating the unit
17Operating instructions
5 Operating the unit
DANGER
Risk of burns from escaping hot food being cooked
Ensure that cookware can not tilt.
CAUTION
Risk of burns from hot surfaces
• Protect arms and hands by wearing suitable protective
gloves.
5.1 Tips for use
In order to use the unit to its optimum and avoid heat loss:
•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 utensil can be freely selected.
•Utilize stored heat by switching back at an early stage.
•Avoid overcooking.
•Place the pan lid on when cooking.
5.2 Switching the unit on and off
5.2.1 Switching on
Requirements Gas shut-off valve on the unit is closed
1. Open the gas shut-off valve on the unit.
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. After about 5 seconds also press the
Piezo pilot ignitor button.
The pilot burner is ignited.
5. Observe the ignition procedure through the inspection port.
Ignition flame is burning.
6. After 10 seconds let go of the
Burner control knob.
The pilot burner continues to burn automatically.
Unit switched on and ready for use.
2063501-20ABBE-A

Operating the unit
18 Operating instructions
If there is no ignition, repeat the procedure.
7. 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.
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.
The gas supply is disconnected.
The burner is switched off.
The pilot burner is switched off.
The unit is off.
5.3 Burning-in the simmer plate
When using for the first time, heat the simmer plate to maximum
output in order to eliminate unpleasant smells.
Smoke can develop when particles are incinerated on the heat
zone.
• Ventilate the room well.
The simmer plate can turn a bluish colour during operation. Do
not remove the oxide layer. It provides additional corrosion
protection.
Requirement Simmer plate without cooking utensils
1. Switch on the unit (see "Switching the unit on and off").
2. Heat at maximum output for approx. 10 minutes.
3. Switch off the unit (see "Switching the unit on and off").
4. Clean the unit (see "Cleaning the unit").
Simmer plate is burned-in.
2063501-20ABBE-A

Operating the unit
19Operating instructions
5.4 Basic functions
5.4.1 Adjusting the output
During operation the Burner control knob is safeguarded against
unintentional shifting to the " " setting.
Increase output: Turn the Burner control knob in the " "
direction.
Reduce output: Turn the
Burner control knob in the " "
direction.
The output can be freely adjusted between the maximum and
minimum output.
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.
5.5 Cooking
CAUTION
Risk of burns from hot surfaces
The temperature of the simmer plate is very hot in the area of
the exhaust gas routing.
• Protect arms and hands by wearing suitable protective
gloves.
CAUTION
Risk of scalding from hot steam or hot food that is 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.
• Protect arms and hands by wearing suitable protective
gloves.
Cooking encompasses a number of cooking modes, such as for
example cooking, frying and braising.
2063501-20ABBE-A

Operating the unit
20 Operating instructions
Image: Temperature distribution, exhaust gas duct on the right (dark colour = high
temperature)
Requirements Simmer plate without cooking utensils
1. Switch on the unit (see "Switching the unit on and off").
2. Set the maximum output (see "Basic functions").
The heat zone is heated.
The heat zone is completely heated after approx. 30 minutes.
3. Set up the cooking utensil.
The cooking utensil is heated.
4. Use the
Burner control knob to adjust the output (see "Basic
functions") or regulate the cooking temperature by moving the
cooking utensil.
5. Depending on the desired cooking mode, continue with the
cooking of the food.
6. Switch off the unit (see "Switching the unit on and off").
The heat zone cools down.
7. Remove the cooking utensil from the heat zone.
5.6 Pausing and end of use
Switch off the unit during pauses and at end of use.
5.6.1 Short pause
WARNING
Risk of injury from flash fire
When switching on the burner after a pause in operation, check
the function of the pilot burner to ensure that it ignites properly.
1. Press the
Burner control knob and turn it to the " " setting.
The burner is switched off.
The pilot burner remains on.
2. Continuing after a pause in operation:
2063501-20ABBE-A