Welbilt Convotherm 4 easyTouch Installation guide

Combi steamer
Convotherm 4
Training manual - Original, ENG

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Table of Contents
Training manual Convotherm 4 3
Table of Contents
1General information 5
1.1Contact data 6
1.2Environmental protection 7
1.3Identifying your combi steamer 8
1.4Structure of the full set of documentation 10
1.5About this training manual 11
2For your safety 13
2.1Basic safety code 14
2.2Warning signs on the combi steamer 15
2.3Hazards and safety precautions when replacing appliance parts 17
2.4Safety devices 21
2.5Requirements to be met by personnel, working positions 23
2.6Personal protective equipment 24
3Appliance construction / modules 25
3.1Service hatches 26
3.2Bottom frame 27
3.3Wiring compartment 28
3.3.1Electric appliances 28
3.3.2Gas appliances 29
3.4Drain box / collector 32
3.5Boiler 34
3.6Sensor positions / temperature measurement 35
3.7Knowledge test on appliance modules 36
3.7.1Electric appliances (knowledge test) 36
3.7.2Gas appliances (knowledge test) 38
4Operating principles 39
4.1Variable frequency drive / Motor / Fan 40
4.2Solid-state relay 41
4.3Flowmeter 42
4.4Water circuit 43
4.5Waste-water cooling 45
4.6Closed system (ACS+) 46
4.7Water treatment system / Filter Care 47
4.8Steam generation 48
4.9Steam measurement 49
4.10Cleaning system / pumps 50
4.11Crisp&Tasty 53
4.12Gas appliances / forced-air burner technology 54
5Service programs 58
5.1easyDial 59
5.1.1Running the Service program 59
5.1.2Service values 60
5.1.2.1Diagnostic-testing values 60
5.1.2.2Read values 62
5.1.2.3Control values (adjustable parameters) 64

Table of Contents
Training manual Convotherm 4 4
5.2easyTouch 67
5.2.1Running the Service program 67
5.2.2Service menu 70
5.2.2.1Settings tab 70
5.2.2.2I/O tab 71
5.2.2.3Status tab 73
5.2.2.4Gas tab 74
5.2.2.5Tools tab 76
6Troubleshooting 86
6.1The top 5 customer complains according to the Pareto Principle (80:20) 87
6.2Software error messages - summary 89
6.3Cooking programs that can be used in emergency mode - Summary 91
7Control electronics 94
7.1easyDial 95
7.2easyTouch 95
7.3System Interface Board (SI board) 96
7.4Controller layout diagram 105
8Software update 108
8.1easyDial software update 109
8.1.1Preliminary steps for updating the appliance software 109
8.1.2Software update 110
8.2easyTouch software update 112
8.2.1Preliminary steps for updating the appliance software 112
8.2.2Software update 113
8.3Importing cleaning files for easyDial appliances with fully automatic oven cleaning116
8.3.1Preparing for the import 116
8.3.2Importing cleaning files 116
9Servicing / Cleaning 117
9.1List of tools 118
9.2Multitool 120
9.3Recommended servicing tasks 136
9.3.1Cleaning the dehumidifier valve 137
9.3.2Testing steam-generation injection at the injection unit 139
9.3.3Adjusting the injection pressure 140
9.3.4Cleaning the injection nozzle 141
9.3.5Descaling the appliance 143
9.3.5.1Descaling the boiler 143
9.3.5.2Descaling the cooking chamber 148
9.3.6Adjustment 150
9.3.6.1Testing gas appliances before putting the appliance into use 150
9.4Check lists - Servicing 152

1 General information
Training manual Convotherm 4 5
1 General information
Purpose of this chapter
This chapter provides contact data, shows you how to identify your combi steamer and provides guid-
ance on using this manual.
Contents
This chapter contains the following topics:
Page
Contact data 6
Environmental protection 7
Identifying your combi steamer 8
Structure of the full set of documentation 10
About this training manual 11

1 General information
Training manual Convotherm 4 6
1.1 Contact data
Address
Convotherm Elektrogeräte GmbH,
Ovens & Advanced Cooking EMEA, Manitowoc Foodservice
Talstraße 35
82436 Eglfing
Germany
Contact information
Reception
Phone (head office) (+49) (0) 8847 67-0
Fax (+49) (0) 8847 414
Internet www.convotherm.com
www.manitowocfoodservice.com
Application support
Hotline (+49) (0) 8847 67-899
e-mail [e-mail]
con-dl-anwendungsberat[email protected]
Sales
e-mail, appliances/accessories con.[email protected]
Phone, spare parts (+49) (0) 8847 67 - 880
email, spare parts [email protected]
Service documents download centre
(spare-parts lists, circuit diagrams, Service
manuals)
www.convotherm.com
Customer service
Technical hotline (office hours) (+49) (0) 8847 67 541
Technical Hotline (outside office hours) (+49) (0) 175 405 41 09
e-mail [email protected]

1 General information
Training manual Convotherm 4 7
1.2 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 information
Training manual Convotherm 4 8
1.3 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 (electric appliances)
Item Name
1 Name of appliance
Combi Steamer
2 Trade name
Element Meaning
C4 Convotherm 4 appliance series
eT easyTouch controls
eD easyDial controls
numbers xx.yy Appliance size
EB Electrical unit with boiler
ES Electrical unit with water injection
-N for appliances with an NSK certificate
3 Electrical values
4 Serial number
Element Meaning
Heating method Electrical unit (X, V)
Steam generation method Injection (S)
Boiler (B)
Appliance size 6.10 (1)
6.20 (2)
10.10 (3)
10.20 (4)
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
5 Part number

1 General information
Training manual Convotherm 4 9
Layout and structure of the type plate (gas appliances)
Type plate Additional plate Name
1 Name of appliance
Combi Steamer
2 Trade name
Element Meaning
C4 Convotherm 4 appliance
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
3 Electrical values
4 Serial number
Element Meaning
Heating
method
Gas appliance (Y, W)
Steam
generation
method
Injection (S)
Boiler (B)
Appliance
size
6.10 (1)
6.20 (2)
10.10 (3)
10.20 (4)
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
5 Part number
6 Gas data
7 Country ID
8 Gas category
9 Gas setting for appliance

1 General information
Training manual Convotherm 4 10
1.4 Structure of the full set of documentation
Contents of the documentation
The documentation for the combi steamer includes the following documents:
Training manual - After-sales service (this manual)
Training manual - Sales
Error message manual
Repair manual
Installation manual
User manual
Structure of documentation
Topic Description See
Moving the appliance Moving the combi steamer Installation manual
Setting up the appliance Setup options
How to set up the combi steamer correctly
Installation manual
Installation Electrical connection
Gas supply
Water connection
Installation of the ConvoClean / ConvoClean+
automatic oven cleaning system
Installation manual
Preparing the appliance for
use
How to prepare the combi steamer for use Installation manual
Operation Describes the user interface
Working procedures and operating steps
User manual
Cleaning Cleaning instructions
Cleaning programs and cleaning tasks
User manual
Servicing Servicing schedule
Minor servicing tasks
User manual
Detailed servicing schedule
All servicing tasks
Training manual - Service
Software update Performing a software update Training manual
Service and Repairs Locating faults
Using software functions to rectify problems
Error message manual
Replacing appliance parts to rectify problems Repair manual
Taking out of operation How to take the combi steamer out of operation Installation manual
Technical data Shelf options
Maximum load
User manual
The complete technical specification for the combi
steamer
Installation manual
Dimensional drawings and
connection points
All dimensional drawings and connection points of
the combi steamer
Installation manual
Checklists Installation checklists Installation manual