Gerhardt S Series User manual

Instruction Manual
Hot Drink Vending Machines S-Series
SI 8, SE 7, SE 8
Translation of the Original Instruction Manual
English
Version: March 2020
Read instructions before starting any work!

2
© Jakob Gerhardt Automatische Verkaufsanlagen GmbH
Am Raigerwald 18-20
D-72622 Nürtingen-Raidwangen
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Internet: www.gerhardt-automaten.de

Table of contents
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Table of contents
Welcome....................................................................................................6
1General information ......................................................................7
1.1 Information about this manual ...............................................7
1.2 Explanation of symbols .........................................................8
1.3 Limitation of liability ...............................................................9
1.4 Open source software .........................................................10
1.5 Differentiation of the machine versions ...............................11
2Safety and security .....................................................................12
2.1 Intended use........................................................................12
2.2 Basic hazards......................................................................12
2.2.1 Danger from electric current..................................12
2.2.2 Risk of burns and scalding ....................................13
2.2.3 Health hazard ........................................................14
2.2.4 Risk of crushing .....................................................14
2.2.5 General safety .......................................................14
3Technical data .............................................................................15
3.1 General information.............................................................15
3.2 Connected loads..................................................................15
3.3 Operating conditions............................................................16
3.4 Emissions ............................................................................16
3.5 Touchscreen........................................................................16
3.6 Nameplate ...........................................................................17
3.7 Type code............................................................................18
4Structure and function................................................................19
4.1 Product overview.................................................................19
4.1.1 Exterior view ..........................................................19
4.1.2 Interior view ...........................................................20
4.1.3 Inner door ..............................................................21
4.1.4 Rear.......................................................................22
4.2 Description of components..................................................23
4.2.1 Rittal heating (optional)..........................................23
4.2.2 Service socket (optional) .......................................23
4.2.3 Can key switch (optional) ......................................23
4.2.4 Touchscreen..........................................................23
4.3 Menu structure.....................................................................24

Table of contents
4
5Transport, installation and commissioning .............................28
5.1 Transport .............................................................................28
5.2 Installation ...........................................................................29
5.2.1 Setting up the machine..........................................29
5.2.2 Wall mounting........................................................31
5.2.3 Connecting the water hose....................................32
5.2.4 Connect water filter (optional)................................33
5.2.5 Connecting the power plug....................................34
5.3 Commissioning....................................................................34
5.3.1 Switching on the coffee machine...........................34
5.3.2 Rinsing the boiler...................................................35
5.3.3 Filling the powder container...................................35
5.3.4 Filling the bean container ......................................36
5.3.5 Fill cup dispenser...................................................37
5.3.6 Filling the lid dispenser..........................................37
5.3.7 Setting the grinding degree ...................................38
5.3.8 Calibrating the powder container...........................39
5.3.9 Calibrating the coffee grinder ................................40
5.3.10 Conduct a test sale................................................41
6Operation of the vending machine............................................42
6.1 Switching on the coffee machine.........................................42
6.2 Pour a drink into cups..........................................................42
6.3 Pour a drink into a jug..........................................................42
6.4 Stopping beverage dispensing ............................................42
6.5 Dispensing hot water (optional)...........................................43
6.6 Emptying the coffee grounds container...............................43
7Cleaning and care .......................................................................45
7.1 Cleanliness and hygiene .....................................................45
7.2 HACCP concept ..................................................................47
7.3 Cleaning list.........................................................................50
7.4 Cleaning the powder container (if necessary).....................51
7.5 Cleaning the output .............................................................52
7.6 Cleaning the housing and touchscreen ...............................53
7.7 Complete flush program ......................................................53
7.8 Cleaning the drip tray ..........................................................54
7.9 Cleaning the coffee grounds container................................55
7.10 Rinse trays program ............................................................55
7.11 “Rinse brewer” program.......................................................56
7.12 Cleaning the Mix-Mix-System MMX ....................................57

Welcome
5
7.13 Cleaning the beverage outlet ..............................................58
7.14 “Clean Brewer” program......................................................59
7.15 Cleaning the brewer manually.............................................60
8Problems and solutions .............................................................62
9Decommissioning, storage and disposal.................................63
9.1 Decommissioning ................................................................63
9.2 Storage ................................................................................63
9.3 Disposal...............................................................................63
10 Index.............................................................................................64

Welcome
6
Welcome
Thank you very much for your purchase of a Gerhardt hot
beverage vending machine.
You have made a good choice because Gerhardt coffee
speciality machines are among the best on the market in this
performance class.
Our systems are characterised above all by the following points:
high quality of all component elements
safe functional sequences
very simple and intuitive operation
To ensure that the automatic speciality coffee machine always
works reliably over many years, you should pay particular
attention to the instructions for cleaning and care as well as for
operation.
Your Gerhardt S-Series is a professional vending system
designed exclusively for the commercial sector.

General information
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1General information
1.1 Information about this manual
This manual enables safe and efficient use of the machine.
The basic prerequisite for safe working is compliance with all
safety instructions and handling instructions given in this manual.
In addition, the local industrial safety regulations and general
safety regulations for the area of application of the machine
apply.
In order to avoid personal injury and material damage, you must
read and understand these instructions carefully before starting
any work.
The manual is an integral part of the machine and must be kept
in the immediate vicinity of the machine, accessible to personnel
at all times.
If the machine is passed on to third parties, these instructions
must also be provided.
Please note that these instructions apply to various versions of
vending machines. Details might therefore be covered, which are
not included with your machine.
Illustrations in this manual are for basic understanding only and
may differ from the actual version.

General information
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1.2 Explanation of symbols
This section contains an overview of the symbols and text
highlights used.
Warnings in this manual are identified by symbols. The
information is introduced by signal words that express the extent
of the hazard.
Please be sure to observe the warnings and act cautiously to
avoid accidents, personal injury and material damage.
!WARNING
This combination of symbol and signal word indicates a
potentially hazardous situation which, if not avoided, could
result in death or serious injury.
!CAUTION
This combination of symbol and signal word indicates a
potentially hazardous situation which, if not avoided, may
result in minor or moderate injury.
ATTENTION
This signal word indicates a potentially hazardous situation
which, if not avoided, could result in material damage and
environmental damage.
NOTE
This signal word highlights useful tips and recommendations
as well as information for efficient and trouble-free operation.
The following markings are used in this manual to highlight
instructions for action, results, lists, references and other
elements:
Label
Explanation

Denotes references to chapters of this
manual.

Indicates a state or an automatic
sequence as the result of an action
step.
… > …
Indicates a menu path
(e.g. Parameters > Control
parameters).

Identifies enumerations and list entries
Warnings
Tips and recommendations
Further markings

General information
9
Label
Explanation
without a fixed order.
[Button]
Identifies operating elements
(e.g. buttons).
1.3 Limitation of liability
All information and notes in this manual have been compiled
taking into account the applicable standards and regulations, the
state of the art and our many years of knowledge and
experience.
The manufacturer assumes no liability for any damage caused:
Non-observance of these instructions
Non-designated use
Use of untrained personnel
Unauthorised conversions
Technical changes
Use of non-approved spare parts
The actual scope of delivery may deviate from the explanations
and illustrations described here in the case of special designs,
the use of additional order options or due to the latest technical
changes.
The obligations agreed in the delivery contract, the general terms
and conditions as well as the delivery conditions of the dealer or
the manufacturer and the legal regulations valid at the time of the
conclusion of the contract apply.
We reserve the right to make technical changes within the scope
of improving the useful properties and further development.

General information
10
1.4 Open source software
This product contains software components that are licensed by
the copyright holders as Free Software or Open Source Software
under the GNU General Public License, versions 2 or 3, or the
GNU Lesser General Public License, versions 2.1 or 3.0.
You can obtain the source code of these software components
from us on a data carrier (CD-ROM, DVD or USB stick) if, within
three years of delivery of the product to the customer or as long
as we offer spare parts or support for the product, you send a
request to our customer service department at the following
address
Jakob Gerhardt GmbH
Mr Bernd Gerhardt
Am Raigerwald 18-20
D-72622 Nürtingen-Raidwangen
with indication of the following product data
Device designation
Serial number
Delivery date
will be provided and EUR 10.00 for the costs of creating the data
carrier and its dispatch will be transferred in advance to the
following account
Kreissparkasse Esslingen-Nürtingen
IBAN: DE75 6115 0020 0048 5411 74
SWIFT: ESSLDE66XXX
As a precautionary measure, we point out that the use of the right
to replace the open source components with your own versions,
which is guaranteed in the license agreement, leads to the
expiration of the certification or warranty. The operation of the
modified device is then at your own risk.

General information
11
1.5 Differentiation of the machine versions
The S-Series hot beverage vending machine is manufactured in
two versions and described in this manual. Please note the
differences.
S Series I8 (SI8) Instant
S Series E8 (SE8) Expresso
Coffee is made from soluble coffee.
Automatic machine with espresso brewer and
bean container. Coffee is freshly ground from
whole beans and freshly prepared using the
espresso method.

Safety and security
12
2Safety and security
This section gives an overview of all important safety aspects for
the protection of persons as well as for safe and trouble-free
operation. Further task-related warnings are contained in the
individual action sequences.
2.1 Intended use
The machine is used exclusively for the preparation and
dispensing of hot beverages in the commercial sector. The
machine is only suitable for indoor installation in dry and heated
rooms. Any other use is considered as not intended. The
manufacturer assumes no liability for consequences resulting
from improper use.
Intended use also includes compliance with all the information in
these instructions.
Any use beyond the intended use or other use is considered
misuse.
!WARNING
Danger in case of misuse!
Misuse of the machine can lead to dangerous situations.
Never operate the machine outdoors.
Never use the machine with a damaged housing or
power cable.
Never modify the machine on your own.
 Never attempt to repair the machine yourself.
Claims of any kind due to damage resulting from improper use
are excluded.
2.2 Basic hazards
In the following section, residual risks are listed which can be
caused by the machine even when used as intended.
In order to reduce the risk of personal injury and material damage
and to avoid dangerous situations, please observe the safety
instructions given here and in the other sections of this manual.
2.2.1 Danger from electric current
If the machine or power cord is damaged, electric shock may
result in death.

Safety and security
13
Observe the following safety instructions to avoid hazards from
electric current:
Do not use a damaged power cord.
Never plug the mains plug into the socket when it is wet or
touch it with wet hands.
A damaged power cord may only be replaced by the
manufacturer, its technical service department or a similarly
qualified person.
Do not open any firmly screwed covers from the housing of
the machine.
Only use the machine if it is in perfect technical condition.
A defective machine may only be repaired by an authorised
workshop. Do not repair the machine yourself.
Do not make any changes to the machine, its components
or accessories.
Always switch off the machine at the main switch before
carrying out maintenance work.
Do not clean the machine with a water hose or high-
pressure cleaner.
2.2.2 Risk of burns and scalding
Escaping liquids and vapours can be very hot. Parts of the
machine also become very hot.
Observe the following safety instructions to avoid burns and
scalding:
Avoid skin contact with escaping liquids and vapours.
Do not touch any nozzles at the outlet during operation.

Safety and security
14
2.2.3 Health hazard
The vending machine dispenses food.
Observe the following safety instructions to avoid health hazards:
Clean the machine regularly.
Only use food-safe, approved agents for cleaning.
Do not process products that have not been agreed with the
manufacturer.
In addition to the daily, weekly and monthly cleaning work,
maintenance work should be carried out on the machine.
2.2.4 Risk of crushing
The brewing chamber moves during coffee preparation.
Observe the following safety instructions to avoid crushing:
Do not reach into the interior of the machine during
operation.
Do not reach into the brewing chamber or the brewing
chamber carriage during operation.
2.2.5 General safety
Observe the following safety instructions to avoid personal injury
and material damage:
During transport, installation, maintenance and repair of the
machine, the following regulations and guidelines, in their
latest version, in particular, must be observed: regulations
of the responsible power supply company, accident
prevention regulations (UVV), guidelines of the professional
association, trade regulations, EC guidelines, VDE
regulations, observance of the usual hygiene regulations,
country-specific regulations.
This machine is not intended to be used by persons
(including children) with limited physical, sensory or mental
abilities or for lack of experience and/or knowledge, unless
they are supervised by or have received instructions from a
person responsible for their safety on how to use the
machine.
Children should be supervised to ensure that they do not
play with the machine.
Only use original spare parts for repairs.

Technical data
15
3Technical data
3.1 General information
Indication
Value/Unit
Dimensions incl.
bean container (H x W x D)
1830 x 755 x 750 mm
Empty weight SI
180 kg
Empty weight SF + SE
200 kg
Dosage
individually adjustable
Number of products
freely programmable
Cup dispenser
For cups with 70.3 mm
diameter (approx. 750
pieces) or
80 mm diameter (approx.
500 pieces)
Duo cup dispenser (optional)
2 x approx. 550 cups (70.3
mm diameter) or
1 x 70.3 mm diameter and 1
x 80 mm diameter
Lid dispenser MONO
(optional)
Capacity approx. 180 pieces
Boiler temperature
Adjustable 70 – 95 °C
3.2 Connected loads
Indication
Value/Unit
Mains voltage
230 V ± 10 %
Mains frequency
50/60 Hz
Power
2800 W
Mains interruption
< 50 ms
Protection
16 A
Indication
Value/Unit
Water connection
Fresh water connection 3/8"
(optional water tank module)
Water hardness on-site
Max. 6 °dH
(for higher values, a water
filter must be connected
upstream)
Electric
Water

Technical data
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Indication
Value/Unit
On-site water pressure at the
installation site of the
machine
2 to 6 bar
(at higher pressure a
pressure reducer must be
connected upstream)
3.3 Operating conditions
Indication
Value/Unit
Temperature
+ 5 °C to max. + 35 °C
(empty water system in
frosty conditions)
Relative humidity
Max. 80 % (non-condensing)
3.4 Emissions
Indication
Value/Unit
Noise emission
< 70 dB(A)
3.5 Touchscreen
Indication
Value/Unit
Disbandment
1920 x 1080 px
Brightness
400 cd/m²
Colours
16.2 million
Horizontal and vertical
viewing angle
88°
Diagonal Size
15.6"
Indication
Value/Unit
Disbandment
2.560 x 1.080 px
Brightness
400 cd/m²
Colours
16.2 million
Horizontal and vertical
viewing angle
88°
Diagonal Size
34"
15.6” touchscreen
34" touchscreen (optional)

Technical data
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3.6 Nameplate
The nameplate is located inside the machine on the upper left
and contains the following information:
Manufacturer
Machine type
Machine number
CE Marking
Date of manufacture (year of construction)
Manufacturer address

Technical data
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3.7 Type code
Design
#
#
#
#
Device type
Floor-mounted device
S
Grinding and brewing
technology
Espresso
E
Instant
I
Filter or freshly brewed
coffee
F
Number of product
containers
7 product containers
7
8 product containers
8
Mugs or cups
Mugs
B
Cups
T

Structure and function
19
4Structure and function
4.1 Product overview
4.1.1 Exterior view
1
Coin return button
6
Edition
2
Coin slot
7
Lid dispenser (optional)
3
Cup catch
8
Door lock
4
Coin return
9
Touchscreen
5
Cup holder

Structure and function
20
4.1.2 Interior view
10
Powder container
20
Coffee grounds container
11
Powder slide Duo
21
Collection box
12
Powder slide Mono
22
Cover plate
13
Outlet of the mixing chamber
23
Pressure gauge
14
Drip tray
24
Coffee powder chute
15
Lime filter
25
Mill
16
Drainage drip tray
26
Bean container
17
Drip bucket
27
Backup
18
Rittal heating (optional)
28
Main switch
19
Case fan
29
Door contact switch