Welbilt Convotherm maxx pro User manual

Combi oven
Convotherm maxx pro
C4 table-top units
User manual - Original, ENG
Advancing Your Ambitions

Table of Contents
1 General information 5
1.1 EC Declaration of Conformity for electric appliances 5
1.2 EC Declaration of Conformity for gas appliances 7
1.3 Environmental protection 8
1.4 Identifying your combi oven 9
1.5 Structure of customer documentation 11
1.6 About this user manual 11
1.7 Essential reading relating to safety 12
2 Design and function 13
2.1 The functions of the combi oven 13
2.2 Design and function of the combi oven 15
2.3 Layout and function of the operating panel 18
3 For your safety 19
3.1 Basic safety code 19
3.2 Intended use of your combi oven 20
3.3 Warning signs on the combi oven 21
3.4 Owner obligations 22
3.5 General hazards 23
3.6 Hazards arising from the appliance 25
3.7 Safety devices 31
3.8 Requirements to be met by personnel, working positions 33
3.9 Personal protective equipment 34
4 Cooking procedures 35
4.1 Basic principles for loading the combi oven 35
4.1.1 Placing food containers in appliances of size X.10 35
4.1.2 Placing food containers in appliances of size X.20 36
4.1.3 Loading capacity for the combi oven 37
4.2 Operating principles and instructions for cooking 38
4.2.1 Turning the combi oven on and off 38
4.2.2 How to cook with the ConvoSense assistance system 40
4.2.3 How to cook 42
4.2.4 How to smoke 44
4.3 Specific Cooking Instructions 48
4.3.1 Opening and closing the appliance door safely 48
4.3.2 Loading and removing food (standard model) 50
4.3.3 Loading and removing food (bakery model) 53
4.3.4 Putting away and retrieving the core temperature probe 56
4.3.5 Using the external core temperature probe or sous-vide sensor 57
4.3.6 Using a USB stick 59
4.3.7 Inserting and removing racks 61
4.3.8 Filling, inserting and removing the smoker drawer (only applies to ConvoSmoke) 64
5 Cleaning procedures 66
5.1 Basic principles for cleaning the combi oven 66
5.1.1 Cleaning methods 66
5.1.2 Cleaning agent delivery for fully automatic cleaning processes 67
5.1.3 Cleaning instructions 68
5.1.4 Cleaning agents 71
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User manual 3

5.1.5 Preparing the cleaning agents 72
5.2 Operating principles and instructions for fully automatic cleaning processes 73
5.2.1 How to perform fully automatic cooking chamber cleaning using connected canisters 73
5.2.2 How to perform fully automatic oven cleaning using single-measure dispensing bottles 75
5.2.3 How to clean the cooking chamber without using cleaning agents 79
5.2.4 How to perform cooking chamber cleaning using only rinse aid from connected canisters 80
5.2.5 How to perform cooking chamber cleaning using only rinse aid from single-measure dispensing
bottles
81
5.3 Operating principles and instructions for user-assisted cleaning processes 83
5.3.1 How to perform semi-automatic cooking chamber cleaning 83
5.3.2 How to clean the cooking chamber by hand 85
5.3.3 How to clean the cooking chamber behind the suction panel 87
5.3.4 How to clean the inner panes and LED strip on the triple glass door 88
5.3.5 How to perform intensive cleaning of the hygienic plug-in gasket 89
5.4 Specific Cleaning Instructions 90
5.4.1 Releasing and securing the suction panel 90
5.4.2 Removing and fitting the hygienic plug-in gasket 92
5.4.3 Releasing and locking the inner pane and intermediate pane of the triple glass door 93
5.4.4 Emptying and cleaning the grease collecting canister (only applies to ConvoGrill) 96
5.4.5 Replacing the rinse aid canister 97
5.4.6 Replacing the cleaning agent canister 99
5.4.7 Adding cleaning agent from single-measure dispensing bottles to the cooking chamber 101
6 Servicing procedures 103
6.1 Basic principles for servicing 103
6.1.1 Contact customer service 103
6.1.2 Warranty information 105
6.1.3 Servicing schedule 106
6.2 Troubleshooting 107
6.2.1 Error codes 107
6.2.2 Emergency mode 109
6.2.3 Problems during use 112
6.3 Servicing tasks 114
6.3.1 Replacing the hygienic plug-in gasket 114
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User manual 4

1 General information
1.1 EC Declaration of Conformity for electric appliances
Manufacturer
Welbilt Deutschland GmbH, Talstraße 35, 82436 Eglfing, Deutschland  Germany
Authorized representative UK
Welbilt UK Limited, Provincial Park, Nether Lane, Ecclesfield, Sheffield, S35 9ZX, United Kingdom
Validity of Declaration of Conformity
This Declaration of Conformity applies to the following electric appliance models:
C4 6.10 ES C4 6.20 ES C4 10.10 ES C4 10.20 ES
C4 6.10 EB C4 6.20 EB C4 10.10 EB C4 10.20 EB
Valid range for serial numbers
Conformity applies to the following range of serial numbers in conjunction with the part-number revision ID and the combi
oven model:
■Serial number range starting on May 2021 (YYMM): X##2105####
■Part number and revision number: X#(1,2,3,4)#####P3####; X#(1,2,3,4)#####A3####
Declaration of Conformity with directives and standards
The manufacturer declares that the combi oven specified above complies with the following directives and the requirements
in the following European standards:
2006/42/EC (EC/CE) (Machinery Directive)
■EN 60335-1:2012+AC:2014+A11:2014
■EN 60335-2-42: 2003+A1:2008-A11:2013
The safety objectives of European Directive 2014/35/EU (Low Voltage Directive) have been met in accordance with Annex I,
Section 1.5.1 of the Machinery Directive.
2014/53/EU (CE) (Radio Equipment Directive)
■EN 300 328 V2.2.2: 2019 (Common User Interface)
■ETSI EN 300 440 V 2.2.1: 2016 (Common User Interface)
■ETSI EN 301 893 V 2.1.1: 2017 (Common User Interface)
The safety objective of European Directive 2014/30/EU (EMC Directive) has been met in accordance with Article 3.1b of the
Radio Equipment Directive.
■ETSI EN 301 489-1 V2.2.3: 2019
■ETSI EN 301 489-17 V3.2.2: 2019
■EN 55014-1: 2006 + A2: 2011
■EN 55014-2: 1997 + A2: 2008
■EN 61000-3-2: 2014 (6.10)
■EN 61000-3-12: 2011 (6.20, 10.10, 10.20)
■EN 61000-3-11: 2000
■EN 62233: 2008
2011/65/EU (RoHS Directive) and Directive (EU) 2015/863 amending Annex II of the RoHS Directive:
EN 63000: 2019
Notified body: TÜV Süd Product Service GmbH, Daimlerstr. 11, 85748 Garching, Germany;
Registration No.: D PL-11321-13-00,
Report no.: 20157660
1 General information
User manual 5

Authorized body for documentation
The following person is authorized to compile the technical documentation:
■EU: Welbilt Deutschland GmbH, Talstraße 35, 82436 Eglfing, Deutschland  Germany
■UK: Welbilt UK Limited, Provincial Park, Nether Lane, Ecclesfield, Sheffield, S35 9ZX, United Kingdom
1 General information
User manual 6

1.2 EC Declaration of Conformity for gas appliances
Manufacturer
Welbilt Deutschland GmbH, Talstraße 35, 82436 Eglfing, Deutschland  Germany
Authorized representative UK
Welbilt UK Limited, Provincial Park, Nether Lane, Ecclesfield, Sheffield, S35 9ZX, United Kingdom
Validity of Declaration of Conformity
This Declaration of Conformity applies to the following types of gas appliances:
C4 6.10 GS C4 6.20 GS C4 10.10 GS C4 10.20 GS
C4 6.10 GB C4 6.20 GB C4 10.10 GB C4 10.20 GB
Valid range for serial numbers
Conformity applies to the following range of serial numbers in conjunction with the part-number revision ID and the combi
oven model:
■Serial number range from YYMM onwards: Y##2105####
■Part number and revision number: Y#(1,2,3,4)#####P3####; Y#(1,2,3,4)#####A3####
Declaration of Conformity with directives and standards
The manufacturer declares that the combi oven specified above complies with the following directives and the requirements
in the following European standards:
2006/42/EC (EC/CE) (Machinery Directive)
■EN 60335-1:2012+AC:2014+A11:2014+A12:2017
■EN 60335-2-102:2016
The safety objectives of European Directive 2014/35/EU (Low Voltage Directive) have been met in accordance with Annex I,
Section 1.5.1 of the Machinery Directive.
2016/426/EU (CE) (appliances burning gaseous fuels)
■EN 203-1: 2014
■EN 203-2-2: 2006
■EN 203-3: 06-2009
Notified body: KIWA Nederland B.V., Postbus 137, 7300 AC Apeldoorn, Netherlands:
■Report no.: 140602245
2014/53/EU (CE) (Radio Equipment Directive)
■EN 300 328 V2.2.2: 2019 (Common User Interface)
■ETSI EN 300 440 V 2.2.1: 2016 (Common User Interface)
■ETSI EN 301 893 V 2.1.1: 2017 (Common User Interface)
The safety objective of European Directive 2014/30/EU (EMC Directive) has been met in accordance with Article 3.1b of the
Radio Equipment Directive.
■ETSI EN 301 489-1 V2.2.3:2019
■ETSI EN 301 489-17 V3.2.2: 2019
■EN 55014-1: 2006 + A2: 2011
■EN 55014-2: 1997 + A2: 2008
■EN 61000-3-2: 2014
■EN 61000-3-3: 2013
■EN 62233: 2008
2011/65/EU (RoHS Directive) and Directive (EU) 2015/863 amending Annex II of the RoHS Directive:
EN 63000: 2019
Notified body: TÜV Süd Product Service GmbH, Daimlerstr. 11, 85748 Garching, Germany;
Registration No.: D PL-11321-13-00,
Report no.: 20157660
1 General information
User manual 7

Authorized body for documentation
The following person is authorized to compile the technical documentation:
■EU: Welbilt Deutschland GmbH, Talstraße 35, 82436 Eglfing, Deutschland  Germany
■UK: Welbilt UK Limited, Provincial Park, Nether Lane, Ecclesfield, Sheffield, S35 9ZX, United Kingdom
1.3 Environmental protection
Statement of principles
Our customers' expectations, the legal regulations and standards and our company's own reputation set the quality and serv-
ice for all our products.
We have an environmental management policy that not only ensures compliance with all environmental regulations and laws,
but also commits us to continuous improvement of our green credentials.
We have developed a quality and environmental-management system in order to guarantee the continued manufacture of
high-quality products, and to be sure of meeting our environmental targets.
This system satisfies the requirements of ISO 9001:2015 and ISO 14001:2015.
Environmental protection procedures
We observe the following procedures:
■Use of residue-free compostable wadding materials
■Use of RoHS-compliant products
■REACH chemical law
■Recommendation and use of bio-degradable cleaning agents
■Recycling of electronic waste
■Environmentally friendly disposal of old appliances via the manufacturer
Join us in our commitment to protect the environment.
1 General information
User manual 8

1.4 Identifying your combi oven
Position of type plate
The type plate is located on the left-hand side of the combi oven.
Layout of the type plate on electric appliances
Item Name
1Name of appliance
Combi oven
2Trade name
Element Meaning
C4 Convotherm maxx pro appliance series
eT easyTouch controls
eD easyDial controls
numbers xx.yy Appliance size
EB Electric appliance with boiler
ES Electric appliance with water injection
-N for appliances with an NSF certificate
3Electrical values
4Certification marks
5Serial number
Element Meaning
Heating method Electric appliance (X)
Steam generation method ■Injection (S)
■Boiler (B)
Appliance size ■6.10 (1)
■6.20 (2)
■10.10 (3)
■10.20 (4)
Year of manufacture ■2021 (21)
■2022 (22)
■...
Month of manufacture ■January (01)
■February (02)
■March (03)
■...
Sequential number 4 digits
6Part number
1 General information
User manual 9

Layout of the type plate on gas appliance
Type plate Additional plate Name
1Name of appliance
Combi oven
2Trade name
Element Meaning
C4 Convotherm maxx pro
appliance series
eT easyTouch controls
eD easyDial controls
numbers xx.yy Appliance size
GB Gas appliance with
boiler
GS Gas appliance with wa-
ter injection
-N for appliances with an
NSF certificate
3Electrical values
4Certification marks
5Serial number
Element Meaning
Heating method Gas appliance (Y)
Steam generation
method
■Injection (S)
■Boiler (B)
Appliance size ■6.10 (1)
■6.20 (2)
■10.10 (3)
■10.20 (4)
Year of manufac-
ture
■2021 (21)
■2022 (22)
■...
Month of manufac-
ture
■January (01)
■February (02)
■March (03)
■...
Sequential number 4 digits
6Part number
7Gas data
8Country code
9Gas category
10 Gas factory setting for the appliance
1 General information
User manual 10

1.5 Structure of customer documentation
Contents of the appliance documentation
Book type Contents
Installation manual ■Describes how to move, set up and install the appliance, and how to put the appliance
into service
■Describes the hazards and appropriate preventive measures relevant to all installation
tasks
■Contains the technical data
User manual ■Describes the working procedures and operating steps for cooking and cleaning
■Contains the servicing schedule and information on troubleshooting
■Describes the hazards and appropriate preventive measures relevant to operation
Operating instructions ■Describes the appliance user interface
■Contains instructions on how to use the software
Documentation for accessories
Please refer to the relevant instructions for the accessory concerned (e.g. recoil hand shower, hood, stand on castors, stack-
ing kit) for information on how to use the accessory.
1.6 About this user manual
Who should read this manual
Name of target group Tasks
Owner of the combi oven
or
owner's member of staff who
is responsible for the appli-
ance and for the operating
personnel
■Bears the responsibility for transferring knowledge to all other users about how to work
safely and correctly with the appliance during operation, cleaning and servicing.
■Is responsible for ensuring that the appliance is in an operational state prior to use.
See 'Owner obligations' on page 22 for details
Chef Essentially performs organizational tasks such as
■Entering the cooking profile data
■Editing existing cooking profiles in the cookbook
■Developing new cooking profiles
■Adjusting appliance settings
May also perform all user tasks if applicable.
User Essentially performs specific operating tasks such as
■Loading the combi oven
■Starting cooking profiles
■Removing food
■Cleaning the combi oven
■Minor servicing tasks
Notation for decimal points
A decimal point is always used in order to achieve international standardization.
1 General information
User manual 11

1.7 Essential reading relating to safety
Safety information in the customer documentation
Safety information relating to the combi oven appears only in the installation manual and the user manual.
The installation manual contains the safety information for the tasks covered by the manual and which are performed when
moving, setting up and installing the appliance and when putting the appliance into service and removing the appliance from
service.
The user manual contains the safety information for the tasks covered by the manual and which are performed during cook-
ing, cleaning and servicing work.
The safety information contained in the user manual and installation manual must always be considered to be part of the
operating instructions. The safety information contained in the user manual and installation manual must always be observed
when performing tasks that go beyond merely operating the software.
Parts of this document that must be read without fail
If you do not follow the information in this document, you risk potentially fatal injury and property damage.
To guarantee safety, all people who work with the combi oven must have read and understood the following parts of this
document before starting any work:
■the chapter 'For your safety' on page 19
■the sections that describe the activity to be carried out
Danger symbol
Danger symbol Meaning
Warns of potential injuries. Heed all the warning notices that appear after this symbol to
avoid potential injuries or death.
Form of warning notices
The warning signs are categorized according to the following hazard levels:
Hazard level Consequences Likelihood
Death / serious injury (irreversible) Immediate risk
Death / serious injury (irreversible) Potential risk
Minor injury (reversible) Potential risk
NOTICE Damage to property Potential risk
1 General information
User manual 12

2 Design and function
2.1 The functions of the combi oven
The cooking modes
You can cook a range of food in your combi oven. The combi oven is able to do this by working in the following cooking
modes:
■Steam
■Combi-steam
■Convection
■Smoker (optional)
Standard cooking methods
You can use the Custom cooking operating mode in conjunction with the extra functions HumidityPro, Crisp&Tasty, fan speed
and BakePro to perform the following cooking methods for instance:
■Cooking
■Blanching
■Roasting
■Scalloping
■Preserving
■Steaming
■Poaching
■Grilling
■Gratinate
■Smoking (optional)
■Stew
■Braising
■Baking
■Defrosting
'Regenerate' operating mode
You can regenerate a range of dishes with the 'Regenerate' operating mode. The combi oven is able to do this by working in
the following cooking modes:
■À la Carte regenerating
■Banquet regenerating (easyTouch only)
■Plate regenerating (easyTouch only)
The Press&Go operating mode (easyTouch only)
When using the 'Press&Go' mode, the user works with preset cooking profiles that they can select and start automatically.
The ConvoSense operating mode (easyTouch only, optional)
When using the 'ConvoSense' mode, the user works with preset cooking profiles that the assistance system will recognize
directly when food is loaded so that it can cook this food fully automatically.
Cooking profiles and cookbook
A cooking profile is a combination of cooking parameters such as cooking temperature and cooking time. You can create
your own cooking profiles and manage them in the 'Cookbook'. You can also find ready-made cooking profiles in the 'Cook-
book'.
Cleaning the cooking chamber for an easyTouch appliance
There are two cleaning systems available for oven cleaning:
■ConvoClean+ fully automatic oven cleaning:
■any combination can be selected from 4 cleaning levels, 3 cleaning-program lengths plus the extra steam-disinfection
and drying functions
■Oven cleaning without using cleaning agents; rinsing with water
■Oven cleaning using only ConvoCare rinse aid
■Semi-automatic oven cleaning
2 Design and function
User manual 13

Cleaning the cooking chamber for an easyDial appliance
There are two cleaning systems available for oven cleaning:
■ConvoClean fully automatic oven cleaning:
■eight cleaning profiles can be selected for different levels of soiling, some including steam disinfection and drying
■Oven cleaning without using cleaning agents; rinsing with water
■Semi-automatic oven cleaning
2 Design and function
User manual 14

2.2 Design and function of the combi oven
Components and function (electric appliances)
The following illustration shows a size 6.10 combi oven as an example for all electric appliances:
Item Name Function
1Ventilation port ■External air intake for removing the moisture from the cooking chamber
■Smooths out any pressure fluctuations in the cooking chamber
2Air vent Allows hot vapour to escape
3Door handle ■Opens and closes the appliance door
■Venting position for opening the appliance safely (“safety catch”)
■Sure-shut function
■Antibacterial material containing silver ions ("HygieniCare")
4Appliance door ■Closes the cooking chamber
■Can slide back beside the appliance when opened in order to save space
("disappearing door") (optional)
5Operating panel ■Used for operating the appliance
■Antibacterial ("HygieniCare")
6Suction panel ■Distributes the heat evenly inside the cooking chamber
■Separates the fan compartment from the cooking chamber
7Rack Holds standard-sized food containers
8Camera (not shown) Recognizes the food to be cooked with the ConvoSense assistance system (op-
tional)
9Oven light ■Illuminates the cooking chamber
■Program-controlled
10 Door drip tray Collects condensate running down the inside of the appliance door
11 Core temperature probe, sous-
vide sensor (optional)
■Measures the core temperature of the food being cooked
■Available in two connection options: permanent internal connection or tempo-
rary external connection
12 Cooking chamber Contains the food during cooking operation
13 Appliance drip tray Collects dripping liquid and condensate from the cooking chamber
14 Recoil hand shower
(this is not fitted on certain appli-
ances)
■Intended solely for rinsing out the cooking chamber with water
■Retracts automatically into the holder after use
■Antibacterial ("HygieniCare")
15 Type plate Identifies the appliance
16 Network connection Used for connecting to a network
2 Design and function
User manual 15

Components and function (gas appliances)
The following illustration shows a size 6.10 combi oven as an example for all gas appliances:
Item Name Function
1Ventilation port ■External air intake for removing the moisture from the cooking chamber
■Smooths out any pressure fluctuations in the cooking chamber
2Exhaust outlet Takes away hot exhaust gases
3Air vent Allows hot vapour to escape
4Door handle ■Opens and closes the appliance door
■Venting position for opening the appliance safely (“safety catch”)
■Sure-shut function
■Antibacterial material containing silver ions ("HygienicCare")
5Appliance door ■Closes the cooking chamber
■Can slide back beside the appliance when opened in order to save space
(“disappearing door”)
6Operating panel ■Used for operating the appliance
■Antibacterial ("HygienicCare")
7Suction panel ■Distributes the heat evenly inside the cooking chamber
■Separates the fan compartment from the cooking chamber
8Rack Holds standard-sized food containers
9Oven light ■Illuminates the cooking chamber
■Program-controlled
10 Door drip tray Collects condensate running down the inside of the appliance door
11 Core temperature probe, sous-
vide sensor (optional)
■Measures the core temperature of the food being cooked
■Available in two connection options: permanent internal connection or tempo-
rary external connection
12 Cooking chamber Contains the food during cooking operation
13 Appliance drip tray Collects dripping liquid and condensate from the cooking chamber
14 Recoil hand shower
(this is not fitted on certain appli-
ances)
■Intended solely for rinsing out the cooking chamber with water
■Retracts automatically into the holder after use
■Antibacterial ("HygienicCare")
15 Type plate Used for connecting to a network
2 Design and function
User manual 16

Components and function of the special security mechanism (prison model only)
The following illustration shows the optional special security mechanism for a size 6.10 gas combi oven as an example of all
appliance sizes:
Item Name Function
1Lockable cover to the operating
panel The hinged cover can be closed over the operating panel and locked to the ap- pliance case in order to prevent unauthorized use of the combi oven.
2Padlock ■To lock the operating panel cover to the appliance case
■Not supplied
3Padlock ■To lock the appliance door to the appliance case
■Not supplied
4Locking mechanism for the appli-
ance door Provides a two-stage lock for the appliance door to prevent unauthorized open- ing and closing of the appliance door
Behaviour of the appliance door:
■When the top locking position is used, the appliance door remains fully
closed.
■When the bottom locking position is used, the appliance door can be opened
as far as the venting position.
2 Design and function
User manual 17

2.3 Layout and function of the operating panel
Layout and elements of the easyTouch operating panel
Item Name Function
1Appliance
ON/OFF switch Switches the combi oven on and off
2USB port For connecting a USB stick
3Full touch screen
display Central controls for appliance
■Appliance operated by touching icons on the
control panel (full touch screen display)
■Status displays
Layout and elements of the easyDial operating panel
Item Name Function
1Appliance
ON/OFF switch Switches the combi oven on and off
2Control panel Central controls for appliance
■Buttons for entering the cooking programs
■Displays showing the values you have set
■Prompts for the user
3USB port For connecting a USB stick
4C-Dial Combined rotary knob and pushbutton for adjust-
ing and setting the cooking parameters.
2 Design and function
User manual 18

3 For your safety
Purpose of this chapter
This chapter provides you with all the information you need in order to use the combi oven safely without putting yourself or
others at risk.
This is a particularly important chapter that you should read through carefully.
3.1 Basic safety code
Object of this safety code
This safety code aims to ensure that all persons who use the combi oven have a thorough knowledge of the hazards and
safety precautions, and that they follow the warning notices given in the user manual and on the combi oven. If you do not
follow this safety code, you risk potentially fatal injury and property damage.
Referring to the user manuals included in the customer documentation
Follow the instructions below:
■Read in full the chapter 'For Your Safety' and the chapters that relate to your work.
■Always keep to hand the manuals included in the customer documentation for reference.
■Pass on the user manuals included in the customer documentation with the combi oven if it changes ownership.
Working with the combi oven
Follow the instructions below:
■Only those persons who satisfy the requirements stipulated in this user manual are permitted to use the combi oven.
■Only use the combi oven for the specified use. Never, under any circumstances, use the combi oven for other purposes
that may suggest themselves.
■Take all the safety precautions specified in this user manual and on the combi oven. In particular, use the prescribed
personal protective equipment.
■Only stand in the working positions specified.
■Do not make any changes to the combi oven, e. g. removing parts or fitting unapproved parts. In particular, you must not
disable any safety devices.
More on this ...
Related topics
Intended use of your combi oven 20
Warning signs on the combi oven 21
Owner obligations 22
General hazards 23
Hazards arising from the appliance 25
Safety devices 31
Requirements to be met by personnel, working positions 33
Personal protective equipment 34
3 For your safety
User manual 19

3.2 Intended use of your combi oven
Intended use
■The combi oven is designed and built solely for cooking different foodstuffs in standard-sized food containers (e.g. Gas-
tronorm containers, standard baking trays). Steam, convection and combi-steam (non-pressurized superheated steam)
are used for this purpose.
■The food containers can be made of stainless steel, ceramic, plastic, aluminium, enamelled steel or glass. Glass food
containers must not exhibit any form of damage.
■The combi oven is intended solely for professional, commercial use.
Restrictions on use
Some materials are not allowed to be heated in the combi oven:
■NO dry powder or granulated material
■NO highly flammable objects with a flash point below 270 °C, such as highly flammable oils, fats, plastics, cleaning prod-
ucts or alcohol-based fluids
■NO food in sealed tins or jars
Requirements to be met by operating personnel
■The combi oven must only be operated by personnel who satisfy specific requirements. Please refer to 'Requirements to
be met by personnel, working positions' on page 33 for the training and qualifications requirements.
■Personnel must be aware of the risks and regulations associated with handling heavy loads.
Requirements relating to the operating condition of the combi oven
■The combi oven must only be operated when all safety devices and protective equipment are fitted, in working order and
fixed properly in place.
■The manufacturer regulations for operating and servicing the combi oven must be observed.
■The combi oven must not be loaded over the maximum permissible loading weight for the given model; see 'Loading
capacity for the combi oven' on page 37.
Requirements relating to the operating environment of the combi oven
Specified operating environment for the combi oven
■The ambient temperature lies between +4 °C and +35 °C
■NOT a toxic or potentially explosive atmosphere
■A hygienic environment
■A dry kitchen floor to reduce the risk of accidents
Specified properties of the installation location
■NO fire alarm, NO sprinkler system directly above the appliance
■NO flammable materials, gases or liquids above, on, beneath or in the vicinity of the appliance
Mandatory restrictions on use
■Shelter from rain and wind must be provided if operated outdoors
■Appliance must NOT be shifted or moved when in the installed state or during use
Cleaning requirements
■Use only cleaning agents that have been approved by the manufacturer.
■Use only materials specified by the manufacturer for cleaning; see 'Cleaning instructions' on page 68.
■High-pressure cleaners must NOT be used for cleaning.
■Water jets must NOT be used for cleaning the exterior. The water spray of the recoil hand shower or an external water
spray is permitted solely for cleaning the cooking chamber.
■The combi oven must NOT be treated with acids or exposed to acid fumes, except for the purpose of descaling the
cooking chamber by an authorized service company in accordance with the manufacturer's instructions.
3 For your safety
User manual 20