Bartscher C4431D User manual

C4431D
206790
Original-Gebrauchsanleitung
V1/1015

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ENGLISH
Table of contents
1.Safety ........................................................................................................................ 34
1.1 Important safety instructions................................................................................. 34
1.2 Key to symbols..................................................................................................... 36
1.3 Hazard sources.................................................................................................... 37
1.4 Proper use............................................................................................................ 39
2. General information................................................................................................ 40
2.1 Liability and Warrantees....................................................................................... 40
2.2 Copyright protection ............................................................................................. 40
2.3 Declaration of conformity...................................................................................... 40
3. Transport, packaging and storage......................................................................... 41
3.1 Delivery check...................................................................................................... 41
3.2 Packaging............................................................................................................. 41
3.3 Storage................................................................................................................. 41
4. Technical data......................................................................................................... 42
4.1 Overview of parts ................................................................................................. 42
4.2 Technical specification ......................................................................................... 43
5. Installation and operation....................................................................................... 44
5.1 Instructions for the installer................................................................................... 44
5.1.1 Installation instructions.............................................................................. 44
5.1.2 Installation place........................................................................................ 45
5.1.3 Preparing for Installation............................................................................ 46
5.1.4 Electrical connection.................................................................................. 47
5.1.5 Water connection....................................................................................... 48
5.1.6 Steam exhaust........................................................................................... 49
5.2 Instructions for the user........................................................................................ 49
5.2.1 Safety notes .............................................................................................. 49
5.2.2 Functions of the control elements and displays......................................... 50
5.2.3 Initial commissioning ................................................................................. 53
5.2.4 Settings ..................................................................................................... 54
5.2.5 Notes and tips............................................................................................ 58
6. Cleaning................................................................................................................... 59
7. Possible Malfunctions ............................................................................................ 62
8. Waste disposal........................................................................................................ 64
Bartscher GmbH
Franz-Kleine-Str. 28
D-33154 Salzkotten phone: [phone]
Germany fax: [phone]
GB/UK

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Read this instruction manual before using and
keep them available at all times!
This instruction manual contains information about the installation, operation and
maintenance of the device and should be consulted as an important source of
information and reference guide.
Awareness of the safety instructions and instructions for use in this manual will ensure
the safe and correct use of the device.
In addition to the information given here, you should comply with any local Health and
safety Controls and generally applicable safety regulations.
The instruction manual forms part of the product and should be kept near the device
and easily accessible for anyone carrying out the installation, servicing, maintenance or
cleaning.
Please keep these instructions and give them to future owners of the device.
1.Safety
This device is designed in accordance with the presently applicable technological
standards. However, the device can pose a danger if handled improperly and
inappropriately.
All persons using the device must follow the recommendations and instructions
in this instruction manual.
1.1 Important safety instructions
• The device is not intended for use by individuals (including children)
with physical or mental disabilities, insufficient experience, and/or
insufficient knowledge unless such persons are under the care of a
person responsible for their safety or have received instructions
regarding appropriate use of the device.
• Children should be observed to ensure that they are not playing with
the device.
• This device may only be operated in technically proper and safe
condition.
• The device is not adapted for use with an external timer or remote
control.

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•
Never leave the device unattended when in use.
• Only use the device indoors.
• Only a qualified technician and using original spare parts and
accessories should carry out repairs and maintenance of the device.
Do not attempt to repair the device yourself.
• Do not use any accessory or spare parts that have not been
recommended by the manufacturer. These can be dangerous for the
user or lead to damages of the device or personal injury, and further,
the warranty expires.
• To prevent hazards and to ensure optimum efficiency, no modifications
or alterations to the device that are not explicitly approved by the
manufacturer may be undertaken.
• Never allow the power cable to come into contact with heat sources or
sharp edges. The power cable should not hang over the side of the
working surface. Ensure that no one can step on or trip over the cable.
• The power cable must not be folded, bent or tangled, and must always
remain fully unrolled.
• Never place the device or other objects on the power cable.
• Do not lay the cable over carpets or heat insulations. Do not cover
the cable. Keep away the cable from operating range and do not
dunk it into water.
• Inspect the power cable regularly for damage. Never use the device
if the cable is damaged. If the power cable is damaged, have an
authorised service center or qualified electrician replace it.

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1.2 Key to symbols
In this manual, symbols are used to highlight important safety instructions and any
advice relating to the device. The instructions should be followed very carefully to avoid
any risk of accident, personal injury or material damage.
WARNING!
This symbol highlights hazards which could lead to injury.
WARNING!
This symbol highlights dangerous situations which could lead to injury or death.
HOT SURFACE!
This symbol is a warning that the device surface is hot when in use.
Ignoring this warning may result in burns!
CAUTION!
This symbol highlights dangerous situations which could lead to light
injuries, or damage, malfunction, and/or destruction of the device.
NOTE!
This symbol highlights recommendations and information aimed for effective
and trouble-free device operation.

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1.3 Hazard sources
DANGER!
Electric shock hazard!
To avoid the hazard results please follow the safety instructions below.
Do not use the device in case it does not function properly, has been damaged or
dropped.
Never open the housing of the device. If the electrical connections are damaged or
electrical or mechanical design is changed, there is a risk of electrical shock.
Never immerse the connecting cable and the the power plug in water or other
liquids.
Never use abrasive agents and make sure no water gets into the device.
Never handle the device with wet hands or while standing on the wet floor.
Disconnect the device from the power supply:
-when the device is not used,
-in the case of interruptions during the operation of the device,
-before cleaning the device.
DANGER!
Suffocation hazard!
Prevent access of children to the package materials like plastic bags and
foamed polystyrene elements.

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WARNING! HOT SURFACE!
Danger of burns and injury!
To avoid the hazard results please follow the safety instructions below.
During operation, the surface of the device becomes very hot! Do not touch the
hot surface of the device with bare hands! Hold the device during operation only
at the handles and control elements envisaged for this.
Even after switching off the surface of the device and the cooking space as well as
food in the containers remain hot for quite some time. In order to take out the food
from the cooking space, always apply thermal gloves.
In the course of opening the convection oven door the hot steam can may
escape, so be particularly careful.
Let the device cool down sufficiently before cleaning it.
WARNING!
Fire or explosion hazard!
To avoid the hazard results please follow the safety instructions below.
Make sure before using the device that there are no objects, such as plastic bags,
instruction manual and accessories, located in the cooking space. Never place
during operation any kitchen utensils, towels, paper and similar into the cooking
space and on the device.
Make sure that the steam outlet is not blocked or plugged.
Never operate the device in the vicinity of flammable, easily ignited (e.g. gasoline,
spirit, alcohol, etc.). Due to the heat they evaporate and in case of contact with
ignition sources it can come to explosionen, which lead to serious personal injury
and property damage.
Reinigen Sie den Garraum regelmäßig und halten ihn immer sauber: die nicht
entfernten Fette und Backrückstände können sich entzünden. Clean the cooking
space regularly and keep it always clean: fats and baking residues which are not
removed, can ignite.
Should a fire occur, disconnect the device from the power supply (pull out the power
plug!) initiate appropriate fire fighting measures. Attention: Do not pour water onto
the device still being under voltage: danger of electric shock!

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1.4 Proper use
CAUTION!
This device has been designed and built for commercial use and can be
operated in kitchens by the qualified personnel only!
The operational safety of the device is assured only in case of proper use, according
to the operation manual.
All technical activities like installation and maintenance must be performed by the
qualified service personnel only.
The convection oven may only be used for the following purposes:
-Baking of confectioneries and bread in fresh and frozen state;
-Cooking of all gastronomy products in fresh and frozen state;
-Steam cooking of vegetables, meat and fish;
-Cooking in vacuum (using only appropriate bags);
-Air-conditioning of food in refrigerated and frozen state.
CAUTION!
Any use going beyond the intended purpose and/or any different use of the
device is forbidden and is not considered as conventional.
Any claims against the manufacturer or his authorized representative as a
consequence of experiencing damages resulting from unconventional use
are impossible.
The operator is liable for all damages resulting from inappropriate use.

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2. General information
2.1 Liability and Warrantees
All the information and instructions in this manual take into account standard safety
regulations, current levels of technical engineering as well as the expertise and
experience we have developed over the years.
The instruction manual was translated with all due care and attention. However, we do
not accept liability for any translation errors. The German version of this instruction
manual is definitive.
If the delivery consists of a special model, the actual scope of delivery may differ from
the descriptions and illustrations in this manual. This is also the case for special orders
or when the device has been modified in line with new technology.
CAUTION!
Read this manual carefully and thoroughly before any operation
of the device, and especially before turning it on!
Manufacturer is not liable for any damages or faults caused by:
-violation of advice concerning operation and cleaning;
-use other than designed;
-alterations made by user;
-use of inadequate spare parts.
We reserve the right to make technical changes for purposes of developing and improving
the useful properties.
2.2 Copyright protection
The instruction manual including any texts, drawings, images or other illustrations is
copyright. No part of this publication may be reproduced, transmitted or used in any
form or by any means without permission in writing from the manufacturer. Any person
who commits any unauthorized act in relation to this publication shall be liable to claims
for damages. All rights reserved.
NOTE!
The contents, texts, drawings, pictures and any other illustrations are
copyright and subject to other protection rights. Any person unlawfully
using this publication is liable to criminal prosecution.
2.3 Declaration of conformity
The device complies with the current standards and directives of the EU.
We certify this in the EC declaration of conformity. If required we will be
glad to send you the according declaration of conformity.

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3. Transport, packaging and storage
3.1 Delivery check
Please check the delivery upon completeness and transport damage immediately
after receipt. In case of visible damage do not accept or accept the delivery with
reservation only.
Note the extent of damage on the carrier’s bill of delivery. Trigger off the complaint.
Hidden damages should be reclaimed immediately after notice, as claims for damages
can only be asserted within the effective period for complaints.
3.2 Packaging
Please do not throw away the covering carton of your device as it might be useful for
storage purposes, when moving or, in case of damages, when the device must be sent
back to a repair center. The outer and inner packing material should be removed
completely from the device before installation.
NOTE!
If you liked to dispose the packing, consider the regulations applicable in
your country. Supply re-usable packing materials to the recycling.
Please inspect the device upon completeness. In case any part is missing please
contact our customer service center immediately.
3.3 Storage
Keep the package closed until installation and under consideration of the outside
indicated positioning- and storage markings.
Packages should be stored under consideration of the following:
-Do not store outdoors.
-Keep it dry and dust-free.
-Do not expose it to aggressive media.
-Do not expose it to direct sunlight.
-Avoid mechanical shocks and vibration.
-In case of longer storage (> 3 months) make sure you check
the state of the packaging and the parts regularly.
If required refresh or renew.

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4. Technical data
4.1 Overview of parts
1Housing
2Lighting of cooking space
3Support rails
4Convection oven door
5Convection oven door handle
6Control Panel
7Adjustable feet
8Safety system of the convection oven door
9
Fan
Safety apparatus
The safety system of the device door (micro-switch) interrupts the operation of the
device in the course of opening: both the heating system and the fan are switched off.
3
9 2
1
8
4
5
7
6

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4.2 Technical specification
Designation Convection oven C4431D with humidity
Item No.:
206790
Design: Stainless steel inside and outside
Insertions: 4 (442 x 325 mm)
Distance between
insertions: 75 mm
Temperature range: 0 °C – 260 °C
Time Setting: 0 – 120 minutes
Connection values: 3,3 kW / 220-240 V 50/60 Hz - ready to plug in
Permanent water
connection: G3/4“
Water pressure: max. 2 bar
Dimensions: B 600 x T 720 x H 540 mm
Weight: 40,2 kg
Accessories: 1 Connecting hose with check valve
4 sheets 442 x 325 mm
Technical changes reserved!
Properties of the convection oven
•Design: Stainless steel inside and outside
•Electronic control with 3 cooking phases
•LED indications for temperature, time, steaming, program
•Reversible engine running (clockwise/anticlockwise rotation) for optimum
atmosphere of the cooking space
•Exhaust of cooking vapours
•Door with double glazing, interior glass removable
•Interior lighting
•Rounded cooking space for easy, quick and efficient cleaning
•Protection class IPX4

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5. Installation and operation
5.1 Instructions for the installer
CAUTION!
Any operation related to installation, assembly, operation and maintenance
must be performed by the specialized personnel who has appropriate
qualifications (manufacturer’ or seller’s authorisation). The required activities
need to be performed while taking into account the installation regulations
valid in a given country as well as the product safety legislation and health
and safety regulations.
5.1.1 Installation instructions
•Before the installation and the use of the device, read carefully these operating
instructions.
•Defective installation, mistakes during the operation, conservation and cleaning, as
well as possible changes and modifications may cause improper operation, damages
and injuries.
•Manufacturer will not assume any liability for personal injuries or material damages
resulting from the failure to observe the aforementioned regulations or tampering
with single components of the device or using non-original spare parts.
•Immediately after receiving the appliance, make sure that it has not been damaged
in transit, and that the packaging is not damaged. In the case of damage or missing
components, immediately notify the shipper or vendor/manufacturer providing the
code-no. and serial numbers (nameplate is on the back of the unit) and attaching
photo evidence.
•Make sure that there are no obstacles on the path to the installation site limiting
access through doors, corridors or other communication routes.
•NOTE: During the transport of the device, it may turn over, which might result in the
damage to the device itself or other objects or in personal injuries. During the
device’s transport, use the measures appropriate for its weight. The device should
not be pulled or tipped, but lifted perpendicularly to the floor and moved horizontally.

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5.1.2 Installation place
•The device must be installed in closed and well ventilated rooms (not outdoor).
•Check the dimensions and the exact position of connections for electricity, water and
extractor connections before installation of the convection oven.
•We recommend to install the convection oven under an extractor or to ensure the
discharge outside the hot vapours and odours which emerge from the cooking space.
•The convection oven must be installed on a flat surface in order to prevent it from
slipping or tipping.
•The installation surface of the convection oven must be suitable for the weight of the
device at maximum load.
•Place the device unit on a firm, dry, water-resistant and heat-resistant surface.
The installation surface must be well accessible and big enough to be able to
operate freely with the device and to ensure good air circulation.
•Install the device in such manner that the rear part is easily accessible in order to
allow the electricity and water connections and maintenance.
•Should the convection oven be installed on a
fermentation cabinet, table of stainless steel or other
convection oven, it is not recommendable, to use
the higher insertions than those, at which the user
can look into the container.
•For safety reasons, after installation
of the device, the label „Danger of
burns“, which is located in the
package must be attached to the convection
oven at a height of 1600 mm from the floor
(see figure on the right).
•Pay attention to that positioning enables a complete opening of the
convection oven door (180 °).
•The device is not suitable for built-in or series installation.
•Never install the device in the vicinity of heat sources, fryers or other sources with
hot liquids; in case this is not be possible, at least it must be kept a safety distance
laterally and above the device of 50 cm and at the back side of the device of 70 cm.

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•Never place the device near flammable materials or containers, or install with
flammable materials (such as walls, furniture, partition walls, gas cylinders), this
can cause a fire. In the event that such an installation is not possible, cover the
combustible parts with non-flammable heat-insulating material under the maximum
compliance with the fire safety regulations.
•Do not place any objects on the device.
5.1.3 Preparing for Installation
•Remove the external packaging (wooden box and / or carton) and dispose them in
accordance with the applicable provisions of the installation country.
Removal of the protective foil
•Completely remove the protective foil from the
external and internal walls.
•Remove from the internal accessories, all
information materials and plastic bags.
CAUTION!
Never remove the nameplate and
warning notes from the device.
Adjustment of the feet
CAUTION!
Do not use the device without adjustable feet!
•If the device is operated without adjustable feet, no air passage for cooling the
electronic components and the external walls of the housing is ensured, this could
cause overheating and result in damage of the components of this device.
•The adjustable feet are enclosed to the device and must be screwed under the
device. The correct flatness of the device ensures a smooth operation. This flatness
is obtained by adjusting the feet and verification by a spirit level. It is sufficient, to
screw them in or screw out to change their settings.

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5.1.4 Electrical connection
DANGER! Danger from electric current!
Improper installation of the device may result in injuries!
Prior to installation, compare specification of the local power network
with the technical specifications of the device (see nameplate).
Connect the device only in case of conformity!
The device may only be operated on properly installed single plug
sockets with protective contact.
•Before the device is connected to the power supply, make sure that voltage and
frequency values specified on the nameplate comply with those of the existing
power grid. A voltage deviation of maximum of ± 10% is allowed.
•If the device does not have a frame with rollers, which facilitate movement, we
recommend to make at first connection to the power network and then to conduct
the positioning of the device at its workplace.
•Pay attention to that it will be no damage to the connection cable during
displacement.
•Position the cord in such manner that it is exposed at no point to an ambient
temperature higher than 50 °C.
•The device is equipped with the connecting cable and plug (single phase 230 V).
For connection to the power supply it is sufficient to connect the plug to an earthed
socket with protective contact.
•The device must be installed in such manner that the plug is always easily
accessible so that the device can be quickly disconnected from the network if
necessary.
•The current circuit of the socket must be secured to at least 16A. Connection only
directly to a wall socket; distributors or multiple sockets may not be used.
•The unit is supplied with the certified connecting cable and socket: they may not be
manipulated and altered.
Potential equalization connection
•The potential equalisation connection between different devices must take place on
the terminal strip marked by the following symbol . The connecting terminal is
located on the back side of the device.
•This terminal enables connection of the potential equalization cable (yellow / green
colour) with a cross section from 4 to 10 mm².
•The device must be connected within a potential equalization system the
effectiveness of which must be examined in accordance with the requirements of
the applicable provisions.

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5.1.5 Water connection
•Take care, that a drinking water connection is in the vicinity of the device.
•Before connecting the device enable to flow off sufficient amount of water, in order
to remove any residual substances that are in the pipeline, so they do not reach the
solenoid valves.
•It is necessary to install, between the water
network and the device a shut-off valve and a
mechanical filter (Figure on the right).
•The convection oven has an input G3/4 '' with
filter on back side of the device on the area
marked with a label.
•Withn the scope of delivery it is contained a water
pressure hose with length of 2 m with G3/4 ''
connection and a check valve, as is required by
the applicable regulations.
CAUTION!
In order to connect the convection oven to
the water network only the supplied water
pressure hose may be used! Do not use any
other hoses.
•The incoming water must have a pressure value
between 150 kPa (1.5 bar) and 200 kPa (2 bar)
and a temperature below 30 °C. If the input
pressure value is higher than 200 kPa (2 bar), it
must be installed a pressure reducer which is
calibrated to 200 kPa (2 bar).
•For proper functioning and in order to avoid lime
deposits in the cooking space, the water must
have a maximum hardness of 5 °dH. A suitable
water softener must be preinstalled at higher
values.

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5.1.6 Steam exhaust
•During cooking there are formed hot fumes and other
odours which emerged from the steam exhaust pipe
of the cooking space. This exhaust pipe is located
above the back part of convection oven. Do not put
or place any objects above the steam exhaust pipe,
so as not to prevent the fume extractor and not to
damage the objects themselves.
•We recommend to place the convection oven under an
extractor hood or to ensure removal of the hot vapours
and odours through a hose, the dimensions of which are
not less than those of the steam exhaust pipe of the
convection oven.
5.2 Instructions for the user
CAUTION!
Read the following instructions carefully, because it provides notes
concerning safety and use of the convection oven.
Keep the instruction manual carefully for later use.
Any incorrect installation, operation, maintenance and cleaning as
well as possible changes and modifications may cause
malfunctions, damages or injuries.
5.2.1 Safety notes
•Never place the device near heat sources such as grill or fryer.
•Never allow easily flammable materials lying or stand in the vicinity of the device.
Fire hazard!
•The temperatures of the food containers or other objects during and after cooking
can be very high; be highly attentive in handling in order to avoid burns. Grasp them
only with suitable protective gloves. Danger of burns!
•Avoid. Salting the food in the oven the convection oven if it cannot be avoided,
ensures timely cleaning, otherwise it may cause damage to the oven.
•Be extremely attentive when opening the oven door: burn hazard in the course
of emerging of hot vapours.
•Do not place any flammable objects and any food based on alcohol in the
convection oven: they cause spontaneous combustion and fires, which can lead to
explosive phenomena.
•Avoid salting the food in the cooking space of the convection oven. If it cannot be
avoided, ensure timely cleaning, otherwise it can lead to damage at the cooking space.

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The external parts of the
convection oven
may not exceed the
temperature of 60 °C. In order to avoid burns, the areas or parts
which are marked with the adjacent symbol may not be touched.
•Damages or breakage of components made of glass, from which the door is made up
should be remedied without delay (contact the customer service).
•In the course of non-using of the convection oven (e.g.12 hours) leave the
convection oven door open.
•In case of prolonged non-use (for example for several days), close the water supply
and disconnect the device from the power supply.
5.2.2 Functions of the control elements and displays
Digital control panel
Key
TIME
Key
START/STOP
Key
PHASES
Key INCREASING Key STEAMING
Key
PROGRAMS/ MANUAL
Key REDUCING
Display COOKING SPACE / PROGRAMM
Key ON-/OFF
Display TIME / MOISTURE

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LED Displays
Key ON-/ OFF
If the convection oven is connected to the power supply, the control panel switches
on and in the display COOKING SPACE / PROGRAMS it is indicated OFF. In order
to activate the control panel, press the ON / OFF key.
Key START/STOP
This key is used to start or to stop a program or a cooking cycle which has been set
previously.
TEMPERATURE
When the convection oven is switched on, the display COOKING SPACE /
PROGRAMS indicates the internal temperature of the cooking space.
In order to set the desired temperature for cooking, press the INCREASING or
REDUCING keys. The display COOKING SPACE / PROGRAMS indicates through
flashing the adjusted value.
After 5 seconds or pressing the TIME key, the new value is saved and the temperature
value inside the cooking space appears in the display.
The adjustable temperature values range from 30°C to 260°C.
During cooking, the display COOKING SPACE / PROGRAMS alternately indicates
the set temperature (LED TEMPERATURE lights continuously) and the current
temperature inside the cooking space (LED TEMPERATURE flashing). The LED
HEATING PLATE lights red when the heating is activated and green when it is
turned off.
LED DOOR OPEN
LED PROGRAMS
LED HEATING PLATE
LED TIME
LED CELSIUS
LED's PHASES
LED FAHRENHEIT
LED TEMPERATURE
LED
STEAMING