Manitowoc convotherm 4 User manual

Combi steamer Read instructions before use
Convotherm 4 floor-standing units
User manual CE - Original, ENG
Your meal. Our mission.

Table of Contents
1 General 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 steamer 9
1.5 Structure of customer documentation 11
1.6 Essential reading relating to safety 12
1.7 About this user manual 13
2 Design and function 15
2.1 The functions of the combi steamer 15
2.2 Design and function of the combi steamer 17
2.3 Layout and function of the operating panel 20
3 For your safety 21
3.1 Basic safety code 21
3.2 Intended use of your combi steamer 22
3.3 Warning signs on the combi steamer 23
3.4 Summary of hazards 25
3.5 Hazards and safety precautions during operation 28
3.6 Hazards and safety precautions during cleaning 33
3.7 Hazards and safety precautions during servicing 36
3.8 Safety devices 37
3.9 Requirements to be met by personnel, working positions 39
3.10 Personal protective equipment 40
4 Cooking procedures 41
4.1 Basic principles for loading the combi steamer 41
4.1.1 Placing food containers in appliances of size X.10 41
4.1.2 Placing food containers in appliances of size X.20 43
4.1.3 Loading capacity for the combi steamer 44
4.2 Operating principles and instructions for cooking 45
4.2.1 Working safely with the appliance 45
4.2.2 Turning the combi steamer on and off 48
4.2.3 How to cook 49
4.3 Specific Cooking Instructions 51
4.3.1 Working safely with the appliance 51
4.3.2 Opening and closing the appliance door safely 53
4.3.3 Loading and removing food 55
4.3.4 Putting away and retrieving the core temperature probe 64
4.3.5 Using the external core temperature probe or sous-vide sensor 65
4.3.6 Using a USB stick 67
5 Cleaning procedures 68
5.1 Basic principles for cleaning the combi steamer 68
5.1.1 Cleaning methods 68
5.1.2 Cleaning instructions 70
5.1.3 Cleaning agents 72
5.1.4 Preparing the cleaning agents 73
5.2 Operating principles and instructions for cleaning 74
5.2.1 Safe working when cleaning 74
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User manual 3

5.2.2 How to perform fully automatic oven cleaning using connected canisters 76
5.2.3 How to perform fully automatic oven cleaning using single-measure dispensing 78
5.2.4 How to perform semi-automatic oven cleaning 80
5.2.5 How to clean the cooking chamber without using cleaning agents 83
5.2.6 How to perform oven cleaning using only rinse aid with the ConvoCare cleaning
profile (only available with easyTouch)
84
5.2.7 How to clean the double glass door 86
5.2.8 How to clean the cooking chamber behind the suction panel 87
5.2.9 How to perform intensive cleaning of the hygienic plug-in gasket 88
5.3 Specific Cleaning Instructions 89
5.3.1 Working safely with the appliance 89
5.3.2 Replacing the rinse aid canister 90
5.3.3 Replacing the cleaning agent canister 92
5.3.4 Adding cleaning agent from single-measure dispensing bottles to the cooking
chamber
94
5.3.5 Emptying the condensate collecting tray in the loading trolley 96
5.3.6 Releasing and securing the suction panel 98
5.3.7 Removing and fitting the hygienic plug-in gasket 100
5.3.8 Releasing and securing the interior glass door. 102
5.3.9 Emptying and cleaning the grease collecting canister (only applies to ConvoGrill) 105
6 Servicing procedures 106
6.1 Basic principles for servicing 106
6.1.1 Warranty information and contacting customer service 106
6.1.2 Servicing schedule 107
6.2 Troubleshooting 108
6.2.1 Error codes 108
6.2.2 Emergency mode 109
6.2.3 Problems during use 112
6.3 Servicing tasks 114
6.3.1 Safe working when servicing the appliance 114
6.3.2 Replacing the hygienic plug-in gasket 116
6.3.3 Replacing the halogen lamp for the oven light 117
Table of Contents
User manual 4

1 General
Purpose of this chapter
This chapter shows you how to identify your combi steamer and provides guidance on using this man‐
ual.
1.1 EC Declaration of Conformity for electric appliances
Manufacturer
Convotherm Elektrogeräte GmbH, Ovens & Advanced Cooking EMEA, Manitowoc Foodservice, Tal‐
straße 35, 82436 Eglfing, Germany
Validity of Declaration of Conformity
This Declaration of Conformity applies to the following electric appliance models:
C4 12.20 ES C4 20.10 ES C4 20.20 ES
C4 12.20 EB C4 20.10 EB C4 20.20 EB
Declaration of Conformity with directives
The manufacturer declares that the combi steamer specified above complies with the following direc‐
tives:
■2006/42/EC (Machinery Directive)
■2014/30/EU (EMC Directive)
■2011/65/EU (RoHS Directive)
The safety objectives of European Directive 2014/35/EC (Low Voltage Directive) have been met in ac‐
cordance with Annex I, Section 1.5.1 of the Machinery Directive.
Compliance of electric appliances with standards
The electric appliances comply with the requirements in the following European standards:
■DIN EN 60335-2-42: 2012
■EN 55014-1: 2006 + A1: 2009 + A2: 2011
■EN 61000-3-11: 2000
■EN 61000-3-12: 2011
■EN 62233: 2008
■EN 55014-2: 1997 + A1: 2001 + A2: 2008
Authorized body for documentation
The following body is authorized to compile the technical documentation in accordance with Annex II A
Section 2 of Directive 2006/42/EC: Convotherm Elektrogeräte GmbH, Ovens & Advanced Cooking
EMEA, Manitowoc Foodservice, Talstraße 35, 82436 Eglfing, Germany
1 General
User manual 5

Eglfing, 20.04.2016
Ralf Klein
Managing Director & Vice President
Convotherm
pp Lutz Isenhardt
Director Global Product Compliance
pp Gisela Rosenkranz
Manager Engineering / Technical
Documentation
1 General
User manual 6

1.2 EC Declaration of Conformity for gas appliances
Manufacturer
Convotherm Elektrogeräte GmbH, Ovens & Advanced Cooking EMEA, Manitowoc Foodservice, Tal‐
straße 35, 82436 Eglfing, Germany
Validity of Declaration of Conformity
This Declaration of Conformity applies to the following types of gas appliances:
C4 12.20 GS C4 20.10 GS C4 20.20 GS
C4 12.20 GB C4 20.10 GB C4 20.20 GB
Declaration of Conformity with directives
The manufacturer declares that the combi steamer specified above complies with the following direc‐
tives:
■2006/42/EC (Machinery Directive)
■2014/30/EU (EMC Directive)
■2011/65/EU (RoHS Directive)
■2009/142/EC (Appliances Burning Gaseous Fuels)
The safety objectives of European Directive 2014/35/EC (Low Voltage Directive) have been met in ac‐
cordance with Annex I, Section 1.5.1 of the Machinery Directive.
Compliance of gas appliances with standards:
The gas appliances comply with the requirements in the following European standards:
■EN 203-1: 2014
■EN 203-2-2: 2006
■EN 203-3
■EN 60335-2-102:2006 + A1:2010
■EN 55014-1/A2:2011
■EN 55014-2:1997 + A1:2001 + A2:2008
■EN 61000-3-2/A2:2009
■EN 61000-3-3:2008
■EN 62233:2008
Type examinations carried out
Notified body for gas testing and electrical safety:
GASTECC Kiwa, P.O. Box 137, 7300 AC Apeldoorn, The Netherlands
■Report no.: 140602245
Authorized body for documentation
The following body is authorized to compile the technical documentation in accordance with Annex II A
Section 2 of Directive 2006/42/EC: Convotherm Elektrogeräte GmbH, Ovens & Advanced Cooking
EMEA, Manitowoc Foodservice, Talstraße 35, 82436 Eglfing, Germany
1 General
User manual 7

Eglfing, 20.04.2016
Ralf Klein
Managing Director & Vice President
Convotherm
pp Lutz Isenhardt
Director Global Product Compliance
pp Gisela Rosenkranz
Manager Engineering / Technical
Documentation
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 service for all our products.
We have an environmental management policy that not only ensures compliance with all environmen‐
tal 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 con‐
tinued manufacture of high-quality products, and to be sure of meeting our environmental targets.
This system satisfies the requirements of ISO 9001:2008 and ISO 14001:2004.
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
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1.4 Identifying your combi steamer
Position of type plate
The type plate is located on the left-hand side of the combi steamer.
Layout and structure of the type plate on electric appliances
Item Name
1Name of appliance
Combi Steamer
2Trade name
Element Meaning
C4 Convotherm 4 appliance series
eT easyTouch controls
eD easyDial controls
numbers xx.yy Appliance size
EB Electric appliance with boiler
ES Electric appliance with water injec‐
tion
-N for appliances with an NSK certifi‐
cate
3Electrical values
4Serial number
Element Meaning
Heating method Electric appliance (X, V)
Steam generation meth‐
od
■Injection (S)
■Boiler (B)
Appliance size ■12.20 (5)
■20.10 (6)
■20.20 (7)
Year of manufacture ■2014 (14)
■2015 (15)
■...
Month of manufacture ■January (01)
■February (02)
■March (03)
■...
Sequential number 4 digits
5Part number
1 General
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Layout and structure of the type plate on gas appliances
Type plate Additional plate Name
1Name of appliance
Combi Steamer
2Trade name
Element Meaning
C4 Convotherm 4 appli‐
ance series
eT easyTouch controls
eD easyDial controls
numbers
xx.yy
Appliance size
GB Gas appliance with
boiler
GS Gas appliance with
water injection
-N for appliances with an
NSK certificate
3Electrical values
4Serial number
Element Meaning
Heating
method
Gas appliance (Y, W)
Steam gen‐
eration
method
■Injection (S)
■Boiler (B)
Appliance
size
■12.20 (5)
■20.10 (6)
■20.20 (7)
Year of
manufac‐
ture
■2014 (14)
■2015 (15)
■...
Month of
manufac‐
ture
■January (01)
■February (02)
■March (03)
■...
Sequential
number
4 digits
5Part number
6Gas data
7Country ID
8Gas category
9Gas factory setting for the appliance
1 General
User manual 10

1.5 Structure of customer documentation
Contents of customer documentation
The customer documentation for the combi steamer includes the following documents:
■Installation manual
■User manual (this document)
■easyTouch operating instructions (extract from the on-screen Help)
■On-screen Help integrated in easyTouch (full instructions on how to use the software)
■easyDial operating instructions
Topics in the installation manual
The installation manual is intended for trained professional staff; see 'Requirements to be met by per‐
sonnel' in the installation manual.
It contains the following topics:
■Design and function: describes the components relevant to installing the combi steamer
■Safety: describes all the hazards and appropriate preventive measures relevant to installation tasks
■Moving the appliance: contains necessary information on moving the combi steamer
■Setting up the appliance: lists and describes the options for setting up the combi steamer
■Installation: describes all the supply connections that are needed
■Putting into service: describes how to prepare the combi steamer for use for the first time
■Removal from service: describes the tasks that need to be performed at the end of the combi
steamer life cycle
■Technical data, connection diagrams: contains all the relevant technical information for the combi
steamer
■Checklists: contains checklists for installing the combi steamer in compliance with the warranty
Topics in the user manual
The user manual is intended for trained staff and trained professional staff; see 'Requirements to be
met by personnel' on page 39 in the user manual.
It contains the following topics:
■Design and function: describes the components relevant to operating the combi steamer
■Safety: describes all the hazards and appropriate preventive measures relevant to operating the
combi steamer
■Cooking: describes the rules, working procedures, operating steps and appliance usage instruc‐
tions for cooking
■Cleaning: lists and describes cleaning methods, cleaning agents, working procedures, operating
steps and appliance usage instructions for cleaning
■Servicing: contains warranty information, the servicing schedule, information about faults, errors
and emergency use, plus working procedures, operating steps and appliance usage instructions
for servicing
Topics in the operating instructions and the on-screen help (easyTouch only)
The operating instructions and the on-screen help (easyTouch only) are intended for suitably trained
staff and qualified professional staff; see 'Requirements to be met by personnel' on page 39 in the
user manual. For easyTouch models, the operating instructions are an extract from the on-screen
help.
The operating instructions and on-screen help (easyTouch only) include the following topics:
■Layout of the user interface: explains the combi steamer user interface
■Using the software: contains instructions for entering and opening cooking profiles, for opening
cleaning profiles, for starting cooking and cleaning processes; describes how to make settings and
how to import and export data
■Selected cooking profiles: lists tried and tested cooking profiles
1 General
User manual 11

1.6 Essential reading relating to safety
Safety information in the customer documentation
Safety information relating to the combi steamer 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 cooking, cleaning and servicing work.
The safety information contained in the user manual and installation manual must always be consid‐
ered 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 dam‐
age.
To guarantee safety, all people who work with the combi steamer must have read and understood the
following parts of this document before starting any work:
■the chapter 'For your safety' on page 21
■the sections that describe the activity to be carried out
Hazard symbol
Hazard symbol Meaning
Warns of potential injuries. Heed all the warning notices that appear af‐
ter this symbol to avoid potential injuries or death.
Form of warning signs
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
User manual 12

1.7 About this user manual
Purpose
This user manual is intended for all people who work with the combi steamer, and provides them with
the necessary information for carrying out operating tasks, cleaning jobs and minor servicing work
properly and safely.
Who should read this manual
Name of target group Tasks
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 actions if applicable.
User Performs specific operating tasks such as
■Loading the combi steamer
■Starting cooking profiles
■Removing food
■Cleaning the combi steamer
■Minor servicing tasks
Chapters in the user manual
Chapter/section Purpose Target
group
General ■Shows you how to identify your combi steamer
■Provides guidance on using this user manual
Chef
Design and function ■Describes the functions of the combi steamer
■Describes specific components of the combi steamer and
specifies their position
Chef
User
For your safety ■Specifies the intended use of the combi steamer
■Describes the hazards posed by the combi steamer and
suitable preventive measures
You should read this chapter carefully in particular.
Chef
User
Cooking procedures ■Describes what loading options are available and the max‐
imum loads allowed for the combi steamer
■Explains how to switch on the combi steamer
■Contains the instructions for working procedures during
cooking and regenerating
■Contains the instructions for handling operations on the
combi steamer regularly performed during cooking and re‐
generating
Chef
User
1 General
User manual 13

Chapter/section Purpose Target
group
Cleaning procedures ■Explains the principles of the cleaning methods
■Contains the cleaning instructions
■Describes the cleaning agents and how to prepare them
for use
■Contains the instructions for working procedures during
cleaning
■Contains and refers to the instructions for handling opera‐
tions on the combi steamer regularly performed during
cleaning
User
Servicing procedures ■Contains the servicing schedule
■Provides advice on what emergency mode is possible
when faults occur
■Contains a catalogue of possible errors and faults and
specifies the required actions
■Contains the instructions for servicing tasks that the user
can personally carry out.
■Refers to the instructions for handling operations on the
combi steamer required for servicing tasks
User
Notation for decimal points
A decimal point is always used in order to achieve international standardization.
1 General
User manual 14

2 Design and function
Purpose of this chapter
This chapter describes the design and construction of the combi steamer and explains its functions.
2.1 The functions of the combi steamer
The cooking operating modes
In your combi steamer you can cook a range of food. The combi steamer can work in the following
operating modes to achieve this:
■Steam
■Combi-steam
■Convection
Standard cooking methods
You can use the cooking operating modes in conjunction with the ACS+ extra functions HumidityPro,
Crisp&Tasty, fan speed and BakePro to perform the following cooking methods for instance:
■Boiling
■Blanching
■Roasting
■Scalloping
■Preserving
■Steaming
■Poaching
■Grilling
■Gratinate
■Stewing
■Braising
■Baking
■Defrosting
Special cooking methods
By combining operating modes and extra functions you can perform the following special cooking
methods with easyTouch:
■Low-temperature cooking
■Cook&Hold
■DT cooking
■Overnight cooking
■ecoCooking
■Low-oxygen slow cooking
The regenerating operating modes
In your combi steamer you can regenerate a range of dishes. The combi steamer can work in the fol‐
lowing three operating modes to achieve this:
■à la Carte regenerating
■Banquet regenerating (easyTouch only)
■Plate regenerating (easyTouch only)
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 'Cookbook'.
Oven cleaning 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 15

Oven cleaning 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 disin‐
fection and drying
■Oven cleaning without using cleaning agents; rinsing with water
■Semi-automatic oven cleaning
2 Design and function
User manual 16

2.2 Design and function of the combi steamer
Components and function (electric floor-standing units)
The figure below shows a size 20.20 combi steamer as an example of all electric floor-standing units:
Item Name Function
1Ventilation port ■External air intake for removing the moisture removal 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
■On-latch position for opening the appliance safely
■Antibacterial material containing silver ions ("HygienicCare")
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 ("HygienicCare")
6Suction panel ■Distributes the heat evenly inside the cooking chamber
■Separates the fan compartment from the cooking chamber
7Oven light ■Illuminates the cooking chamber
■Program-controlled
8Core temperature probe,
sous-vide sensor (optional)
■Measures the core temperature of the food being cooked
■Available in two connection options: permanent internal con‐
nection or temporary external connection
9Built-in preheat bridge in
appliance door
Used for safety purposes during preheating and reduces energy
wastage
10 Loading trolley handle ■Curved grip for moving the loading trolley
■Detachable
2 Design and function
User manual 17

Item Name Function
11 Loading trolley Holds standard-sized food containers
12 Condensate collecting tray
on the loading trolley
Collects dripping liquid and condensate from the cooking cham‐
ber
13 Cooking chamber Contains the food during cooking operation
14 Recoil hand shower
(this is not fitted on certain
appliances)
■Intended solely for rinsing out the cooking chamber with water
■Retracts automatically into the holder after use
■Antibacterial ("HygienicCare")
15 Type plate Identifies the appliance
Components and function (gas floor-standing units)
The following illustration shows a size 20.20 combi steamer as an example of all gas floor-standing
units:
Item Name Function
1Ventilation port ■External air intake for removing the moisture removal 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
■On-latch position for opening the appliance safely
■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") (optional)
6Operating panel ■Used for operating the appliance
■Antibacterial ("HygienicCare")
2 Design and function
User manual 18

Item Name Function
7Suction panel ■Distributes the heat evenly inside the cooking chamber
■Separates the fan compartment from the cooking chamber
8Oven light ■Illuminates the cooking chamber
■Program-controlled
9Core temperature probe,
sous-vide sensor (optional)
■Measures the core temperature of the food being cooked
■Available in two connection options: permanent internal con‐
nection or temporary external connection
10 Built-in preheat bridge in
appliance door
Used for safety purposes during preheating and reduces energy
wastage
11 Loading trolley handle ■Curved grip for moving the loading trolley
■Detachable
12 Loading trolley Holds standard-sized food containers
13 Condensate collecting tray
on the loading trolley
Collects dripping liquid and condensate from the cooking cham‐
ber
14 Cooking chamber Contains the food during cooking operation
15 Recoil hand shower
(this is not fitted on certain
appliances)
■Intended solely for rinsing out the cooking chamber with water
■Retracts automatically into the holder after use
■Antibacterial ("HygienicCare")
16 Type plate Identifies the appliance
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
steamer as an example of all appliance sizes:
Item Name Function
1Lockable cover to the op‐
erating panel
The hinged cover can be closed over the operating panel and
locked to the appliance case in order to prevent unauthorized use
of the combi steamer.
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
appliance door
Provides a two-stage lock for the appliance door to prevent unau‐
thorized opening and closing of the appliance door
Behaviour of the appliance door:
■When the top locking position is used, the appliance door re‐
mains fully closed.
■When the bottom locking position is used, the appliance door
can be opened as far as the on-latch position.
2 Design and function
User manual 19

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 steamer on and off
2Full
touchscreen
display
Central controls for appliance
■Appliance operated by touching icons
on the control panel (full touchscreen
display)
■Status displays
3USB port For connecting a USB stick
Layout and elements of the easyDial operating panel
Item Name Function
1Appliance
ON/OFF switch
Switches the combi steamer on and off
2Control panel Central controls for appliance
■Buttons for entering the cooking pro‐
grams
■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
adjusting and setting the cooking parame‐
ters.
2 Design and function
User manual 20