Mychef iSENSOR MVPB1640 User manual

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PRODUCT MANUAL ISENSOR TABLETOP -DT.MP.IM.22.01.2
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iSENSOR
iSENSOR tabletop
Product Manual
Installation, use and maintenance

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INDEX
1. INTRODUCTION .............................................................................................4
2. TECHNICAL CHARACTERISTICS......................................................................5
2.1. Functional equipment ............................................................................................. 5
2.2. Características constructivas................................................................................... 5
3. 3. GENERAL STANDARDS FOR SAFETY AND ACCIDENT PREVENTION.......... 6
3.1. Personnel in charge of the use of the appliance.................................................. 6
3.2. Electrical hazard....................................................................................................... 6
3.3. Thermal hazard......................................................................................................... 6
3.4. Hazard arising from the use of gas ........................................................................ 6
4. INSTALLATION ...............................................................................................7
5. USE................................................................................................................. 8
5.1. Control panel............................................................................................................ 8
5.2. Automatic SCS Calibration ................................................................................... 10
5.3. Connecting and turning on the appliance.......................................................... 11
5.4. Gas injection........................................................................................................... 12
5.5. Operating modes................................................................................................... 12
5.5.1. Automatic mode.......................................................................................... 13
5.5.2. Manual mode............................................................................................... 13
5.5.3. Autoclean ..................................................................................................... 16
5.6. Packaging ............................................................................................................... 16
5.7. Errors ....................................................................................................................... 17
6. APP USE .......................................................................................................19
6.1. Prior considerations............................................................................................... 19
6.2. Download and activate the APP........................................................................... 19
6.2.1. For iOS (Apple)............................................................................................ 19
6.2.2. For Android.................................................................................................. 21
6.2.3. App operation ............................................................................................. 23
7. MAINTENANCE ............................................................................................33
7.1. Cleaning.................................................................................................................. 33
7.2. Vacuum pump oil................................................................................................... 33
7.3. Sealing bar.............................................................................................................. 34
7.4. Water-tight seal on the lid..................................................................................... 34
7.5. Maintenance schedule .......................................................................................... 34
7.5.1. Check the oil level....................................................................................... 34
7.5.2. Change the pump oil.................................................................................. 35

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7.6. Owner liability ........................................................................................................ 39

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1. INTRODUCTION
This document has been prepared in order to provide reliable and helpful information
regarding the use of the appliance. The manufacturer waives all liability, whether express or
implied, for any possible errors or omissions that the manual may contain.
Before operating or using this appliance, read this manual carefully and
thoroughly.
The owner of the appliance is responsible for requiring all personnel in charge
of use and maintenance to read this manual.

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2. TECHNICAL CHARACTERISTICS
2.1.Functional equipment
•Removable sealing bar without connections.
•Memory for up to 10 programs.
•Progressive pressure restoration to prevent damage to the bag caused by bones,
etc.
•Controlled visualization of all process steps.
•Extra vacuum to force air out of porous products.
•“AUTO-CLEAN OIL” process, self-cleaning oil system.
•External vacuum as standard for all tabletop models.
•Polyethylene plate inside the chamber that increases the speed of the vacuum and
regulates the working height.
•Sensor-controlled vacuum.
•Self-calibration system.
•Smart mode for packing liquids and porous products.
•Double 2x3 mm seal for tabletop iSensor vacuum packers.
•Equipped with Bluetooth 4.0 or higher for connection with the “Mychef iSensor” app
available on iOS and Android, for the management of packaging programs and label
printing.
•The accessory TVAA0036 - Label printer with Bluetooth LE is required for label
printing.
•Optional inert gas inlet on all models. This optional conditions the manufacture, it
must be requested in advance since it cannot be added later.
•Accessory of external vacuum as standard for all iSensor tabletop models (optional).
2.2.Design features
•Made of stainless steel.
•Well with rounded edges for easy cleaning.
•Transparent methacrylate lid to visualize the element to be packed.
•Side display for checking the oil level.

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3. 3. GENERAL STANDARDS FOR SAFETY AND ACCIDENT PREVENTION
3.1.Personnel in charge of the use of the appliance
The use of the appliance is reserved for trained personnel.
Personnel must be familiar with the safety standards and the instructions for
use.
3.2.Electrical hazard
Work on the electrical power source and access to live parts is only permitted
to skilled personnel and is under their responsibility. In any case, said access
must be carried out with the appliance disconnected from the electricity grid.
3.3.Thermal hazard
Make sure the ventilation openings are not blocked.
Do not install the appliance near flammable products.
3.4.Hazard arising from the use of gas
The use of gas for controlled atmosphere packaging is restricted to the use of
nitrogen (N2) or carbon dioxide (CO2) or mixtures of both. This machine is not
designed for the use of Oxygen (O2) or other flammable gases.

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4. INSTALLATION
Once the appliance has been received, remove the packaging carefully and check the
equipment against the label (located on the rear-left side) to be sure that this is the
requested appliance. Once the appliance has been checked, read this “Product Manual:
Installation, use and maintenance” bearing in mind the following precautions:
a) The personnel in charge of the installation must be qualified in appliance installation.
b) Verify that the voltage/current source corresponds to that required by the appliance.
c) Grounding is mandatory.
d) Check that the elements that make up the equipment are properly situated and free
from damage from transport.
Place the appliance on a flat surface and ensure that it is level. The appliance should be
placed so that it is protected from splashes of water and dirt.
Before starting up the equipment, check the rear display to see whether the oil level is
between the MAX and MIN markings. If the level is below the minimum, it must be (see
section 7).

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5. USE
5.1.Control panel
The iSensor vacuum packers from Mychef comprise an LCD screen and three push-buttons.
Do not clean the vacuum packer screen cover with alcohol-based liquids,
solvents, acids or detergents as these may damage the cover and affect the
display.
The LCD display is divided into three main zones:
-The left zone or operating mode zone (A in Figure 1)
-The central or percentage level zone and error indicator (B in Figure 1)
-The right zone or status zone (C in Figure 1)
Figure 1. LCD Screen with all segments
Each zone contains a series of icons and text elements that describe at all times the state of
operation of the vacuum packaging machine and allow the user to interact with the machine,
changing the packaging parameters to suit each use. The role of each of them is explained
below:

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Function
Description
A
1
Modes
Labels of the 3 operating modes: Automatic, Manual and Self Cleaning.
2
“AUTO” icon
Automatic mode indicator.
3
“MANUAL” icon
Manual mode indicator.
4
“CLEAN” icon
Self-cleaning mode indicator.
5
“OFF” icon
Indicator of the vacuum packer shutdown process.
6
Program
indicator
Program display in the Manual mode. The numeric display shows the
number of the selected program.
B
7
Numerical
display
Shows integers from 0 to 199 or with a decimal from 0.0 to 99.9. This
display shows all the numerical parameters required during the vacuum
cycle or the configuration of the vacuum packaging machine; from the
vacuum level in % to sealing times, self-cleaning, etc., passing through the
error number or program selection in manual model.
8
Error icon
Error indicator, shows that the central numerical display shows an error
value.
9
Vacuum
percentage icon
Icon indicating that the central numeric display shows a value in %.
10
Seconds icon
Icon indicating that the central numeric display shows a value in seconds.
11
Minute icon
Icon indicating that the central numeric display shows a value in minutes.
C
12
States
Labels of the 5 operating cycle states of vacuum packers: Vacuum, Gas,
Sealing, Air and Repeat.
13
Extra vacuum
indicator
Indicator of the Extra Vacuum status, where the packer maintains 100%
vacuum for a certain period of time.
14
Vacuum icon
Vacuum status indicator. Indicates that a vacuum process is being carried
out in the chamber. (Pump running)
15
Gas icon
Gas status indicator. Indicates that gas is being injected into the chamber.
16
Sealing icon
Sealing status indicator. Indicates that the vacuum bag is being sealed.
17
Air icon
Air status indicator. Indicates that atmospheric pressure in the chamber is
recovering.
18
Cycle icon
Repeat status indicator. Indicates the vacuum cycle repeat number and
recovery in manual mode. If a multicycle mode is set, the numeric display
below the icon indicates the current cycle number in countdown.
19
Encoder push
button icon
Indicates that pressing the central button will present a change, skip or
cancellation of the current operating process.
20
Closed lid icon
Indicates that the cover can be closed to start operation.
21
Open lid icon
Indicates that the lid can be opened.
22
Mode of air entry
icon
Indicates the selected air inlet mode: Soft (progressive air inlet), Fast
(normal air inlet) and Stop (blocking of the vacuum percentage in the
chamber for making marinades, etc.).

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Table 1. Control board indicators, displays and buttons
Figure 2. Buttons for navigating the screen
5.2.Automatic SCS Calibration
Tabletop iSensor vacuum packers have a fully automatic calibration system, Self-Calibration
System (SCS), patented by Mychef. This automatic vacuum percentage recalibration
algorithm has the following advantages:
•Calibration without user intervention
The appliance automatically detects optimal calibration conditions and, completely
autonomously, can recalibrate itself according to the following physical changes:
-Automatic adaptation to temperature variations.
-Automatic adaptation to climate variations.
-Automatic adaptation to altitude variations.
-Automatic adaptation to variation in oil properties.
The appliance is able to detect increases and decreases in differential atmospheric
pressure, recalibrating itself as needed.
•Increased precision in measuring the vacuum
By constantly calibrating itself automatically, the values used to calculate the vacuum
percentage are dynamically updated. Therefore, the vacuum percentage that the
user selects has a smaller error margin than if it were not dynamically calibrated.
The SCS calibration system determines when it is necessary to perform a machine
calibration and performs it automatically without user intervention. However, the user can
force a calibration at any time simply by running a vacuum cycle with 100% vacuum.
23
“Ready” icon
Indicates whether the machine is ready to start a new packaging cycle. If
this icon flashes, the machine will be ready after opening the vacuum
packer lid.

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5.3.Connecting and turning on the appliance
When the appliance is connected to the electricity grid, a start-up process takes place where
all internal values are initialised, and safety and control checks are carried out to ensure
optimum control of the vacuum packing. This process will be indicated on the screen by the
simultaneous flashing of all segments for a number of seconds.
While the segments are flashing, you can check the technical control parameters by
pressing the centre button. These parameters may be relevant for the maintenance of the
appliance. Two parameters will be displayed:
-Vacuum pump operating hours.
-Number of vacuum cycles completed.
The first value displayed is the operating hours of the vacuum pump. This will be identified
by the "Vacuum" icon, which will light up in the right-hand block of the screen. The digits of
the number will be shown on the central display cyclically by marking the end of the digits
with an "H". For example, if the pump motor has been running for 20991 hours, the display
will show:"2 - 0 - 9 - 9 - 9 - 1 - H", on a loop.
Figure 3. Display of vacuum pump operating hours
By pressing the push-button while the number of pump operating hours is displayed, the
vacuum packer will go on to show the number of complete vacuum cycles it has completed.
The value will be displayed using the same method, changing the "H" that identifies the end
of the number of operating hours to a "C" for packaging cycles. In this case the value will be
identified by the "Repeat" icon.
Figure 4. Displaying the number of vacuum cycles performed
Press the central button again to finish displaying this value and continue to end the
machine initialization process.
Once the vacuum packaging machine is connected and the initialization process is
completed (whether or not the status values of the pump are consulted), it will be switched
off, waiting for the user to switch it on to start working.

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The machine can be switched on in two different ways:
-Pressing any of the three buttons.
-Opening the lid.
Any interaction will put it into operation in automatic mode so that just with one more
movement of the lid it can start to pack.
¡WARNING! The Manufacturer shall not be liable for any injury to persons or
animals and damage to components resulting from improper use and not in
conformity with the machine.
5.4.Gas injection
In some foods, it may be interesting or advisable to use antioxidant gas to improve the food
preservation or also mixtures of gas to avoid crushing the packaged product. This option is
available with all Mychef iSensor vacuum packers.
The following is a description of the precautions to be taken into account when carrying out
vacuum packaging in a protective atmosphere:
•NEVER USE FLAMMABLE GASES OR MIXTURES IN WHICH THERE IS TOO MUCH
OXYGEN, THE OXYGEN CAUSES THE FLAMMABILITY POINT OF THE MATERIALS
TO DROP AND THERE IS A RISK OF EXPLOSION.
•THE INSTALLATION MUST BE DONE BY A SPECIALIZED TECHNICIAN.
•GAS TANKS MUST BE SECURELY FASTENED.
•THE GAS OUTPUT PRESSURE OF THE PUMP SHOULD NOT EXCEED 1 bar BECAUSE
A HIGHER-PRESSURE MAY DAMAGE THE COMPENENTS OF THE PACKAGING
MACHINE.
•ONCE THE LAST GAS OPERATION HAS BEEN MADE, CLOSE THE STOPCOCK OF
THE GAS TANKS.
•TO CONNECT THE GAS INPUT TO THE PACKAGING MACHINE A FLEXIBLE 10mm
ØINTERIOR TUBE THAT SUPPORTS PRESSURE, AND A METALLIC FLANGE TO SECURE
THE TUBE ARE NEEDED.
5.5.Operating modes
The iSensor vacuum packers have three different operating modes: Automatic mode;
Manual mode; and Self-Cleaning mode. The operating mode is selected by pressing the
direction buttons (right and left) until the corresponding icon is displayed in the left-hand
menu of the LCD screen.

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5.5.1. Automatic mode
Automatic mode is designed for the user to be able to perform perfect and efficient vacuum
packing easily, with no need to configure any parameters. This mode performs a full packing
cycle without the need for supervision: it produces a vacuum in the bag controlling the
vacuum percentage with the use of the iVAC intelligent algorithm. The hermetic seal
regulates the sealing time with the iSeal algorithm and restores the atmospheric pressure
in the chamber automatically.
Figure 5. Automatic mode
The iVAC control algorithm, patented by Mychef, detects and finalises the vacuum process
automatically according to the type of food and its physical conditions. It is especially
suitable for packing porous foods and liquids, since it keeps them from coming to a boil
and spilling out of the bag.
In addition, the iSeal algorithm regulates the sealing time for each cycle to prevent the bar
from overheating and burning the bag. This allows the temperature of the bar to be
adjusted to each seal, lengthening the useful life of all its components and ensuring perfect
seals regardless of the number of cycles previously performed.
To start this mode, select the automatic mode and lower the lid once the “AUTO” icon is on.
5.5.2. Manual mode
Manual mode gives the user exhaustive control over the packing parameters and allows the
user access to some special features, such as vacuum cycle repetition and extra sealing
times.
Figure 6. Manual mode
On selecting the “MANUAL” icon, the “PROG” icon in the lower left-hand side of the screen
will light up and the digit next to it will indicate the program selected. By default, this digit
will be 0. On pressing the centre button, the program icon will flash and it will be possible
to select from the different programs using the direction buttons (right and left).

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This mode has 10 packing programs, from 0 to 9. They allow you to set the packing
parameters for a specific purpose, such as making marinades or vacuum packing products
with bones that may damage the bag. The programs also make it possible to save these
parameters in the memory and load them quickly each time you want to perform packing
processes with the same characteristics. These values do not need to be modified or
entered every time, making it easier to perform specific packing processes multiple times.
To modify the parameter values, press the centre button with the program to modify
selected. On the right-hand side of the LCD screen, the icon corresponding to the
parameter to be modified will start to flash. For example, if you are modifying the level the
vacuum should reach, the “VACUUM” icon will start to flash (all parameters and their
corresponding icons on the LCD screen are listed below). The direction buttons (right and
left) can then be used to modify the parameter value. The parameter is saved by pressing it
again and you jump to the next value to configure. This process is repeated until all the
parameters are modified and saved and you return to the start point of the manual mode.
If you wish to use a program that has previously been configured and saved without having
to modify any options, you can close the lid after selecting the relevant program. The
vacuum packer will start the manual vacuum cycle according to the parameters stored in the
memory, and it will not be necessary to modify or confirm each value.
Figure 7. Edit the packaging parameters in the manual mode
All parameters are described below in configuration order:
Vacuum percentage:
This parameter sets a vacuum value expressed as a percentage, once this value is reached
the pump will switch off and jump to the next state. On selecting the “Int” value, control over
the vacuum percentage is transferred to the iVAC algorithm, as explained in the automatic
mode operation. This parameter is represented by the “VACUUM” icon.
Extra vacuum packing time:
Extra vacuum packing time sets a time in seconds during which the vacuum pump remains
turned on. This extra time is used to ensure the proper vacuum packing of very porous
foods. To operate correctly, this time can only be set when 100% vacuum is selected. This
parameter is represented by the “EXTRA” icon.

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Gas percentage:
This parameter determines the percentage value of the gas with which the chamber will be
filled. This value is dependent upon the vacuum percentage selected in the previous
parameter. The vacuum level minus the gas level must be at least 50%. This parameter is
represented by the “GAS” icon.
Sealing time:
This value specifies the bag sealing time. It sets the duration of electrical contact with the
sealing bars, and it must be adjusted for each bag type. In order to know the right vacuum
packaging time, it is advisable to consult the bag supplier. As with the selection of the
vacuum percentage, on selecting the “Int” value, control over the sealing time is transferred
to the iSeal algorithm, which regulates the time automatically. This parameter is represented
by the “SEALING” icon.
Atmospheric pressure restoration mode:
This parameter allows for the selection of 3 types of air entry:
1. FAST: The restoration of atmospheric pressure in FAST mode allows air to enter
suddenly through the opening of an entry valve until atmospheric pressure is
restored inside the chamber. It is the fastest and most appropriate mode in most
cases.
2. SOFT: Pressure restoration in SOFT mode allows for the entry of air in an intermittent
manner, thus controlling any deformations that may occur to the bag. This mode is
useful for the slow restoration of atmospheric pressure, so that the packed food
moulds correctly to the bag and prevents sharp or pointy elements from breaking it.
3. STOP: This mode makes it possible to stop the pump at a certain vacuum value by
pressing the centre button or until the value determined by the vacuum percentage
is reached. The vacuum packer will maintain this vacuum until the button is pressed
again. This process may be useful for marinating meats or fish or to extract air from
sauces.
This parameter is identified by the “AIR” icon and each type of restoration is selected using
the icons located below: “FAST”, “SOFT” and “STOP”.
Multiple vacuum cycle repetitions:
It is possible to program a series of repetitions of the same vacuum cycle. This makes it
possible to perform the vacuum process and restore the atmospheric pressure in the
vacuum packer in a cyclical manner. On each repetition, the vacuum packer reaches the
value configured in the “vacuum percentage” parameter. If this value is 100% and extra
vacuum time is programmed, this time will also be completed on each repetition.
Atmospheric pressure is then restored in the chamber. The pressure is not fully restored as
a small vacuum percentage is maintained in the chamber, preventing the lid from opening
and allowing another repetition to begin automatically.
This process will be carried out as many times as programmed, up to a maximum of 9 times.
This process is represented by the “REPEAT” icon and the digit below it shows the number
of repetitions remaining.

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Gas injection is compatible with the multi-cycle mode, although keep in mind that the gas
will only be injected in the last repetition, as with sealing.
5.5.3. Autoclean
When the vacuum pump’s oil has taken on a whitish shade, due to water condensation, it
can be removed using this mode. Due to the temperature, this process means any water
that may be in the oil will end up evaporating and exiting the pump.
These water particles may cause rust particles to develop on internal components of the
pump.
➔The vacuum packer will notify the user of the need to perform a self-cleaning process
after every 200 cycles. This will happen when the appliance is connected to the
electricity grid, or it is turned on from the “OFF” rest mode. If the lid is lowered during
this time, the “AUTOCLEAN OIL” process will begin automatically.
➔If you do not wish to perform the AUTOCLEAN process when the notification
appears, you can press the direction buttons (right and left) to go through the menu
as normal and perform the cycle you prefer.
You can run an AUTOCLEAN cycle whenever you wish by manually entering AUTOCLEAN
mode from the operating mode selection menu. The maximum duration of AUTO-CLEAN
mode is 20 minutes, although you can stop it by pressing the centre button.
5.6.Packaging
To pack a product, the bag (appropriate for vacuum packing) must be placed correctly on
the polyethylene bar with the entire width of the bag above the sealing area. Make sure that
there is no product on the sealing bar. Then, lower the lid of the vacuum packer. It is
important to remember that a packing process cannot begin while you are configuring the
manual mode parameters.
NOTE: We recommend using the safety latch during each vacuum packing cycle.
At this stage, the active mode or program will start up and the indicators of the processes
to be carried out will light up continuously (vacuum, extra vacuum, gas injection, sealing,
progressive air entry, repetitions):
-The vacuum process (VACUUM) extracts the air from the chamber and the central
display shows the vacuum percentage up to that moment.
-The extra vacuum procedure (EXTRA VACUUM) keeps the vacuum pump working
for the number of seconds programmed. This extracts the air from very porous
foods. The central display shows the number of seconds passed.
-Gas injection (GAS) fills the chamber with the gas percentage specified in the
program. The percentage of gas inserted is also shown on the central display.
-Sealing consists of three phases. The first is the lifting of the cylinders. During this
phase, the central display shows the set sealing time in seconds. The second is the
heating of the heating element. At this stage the SEAL display will progressively
decrease from the previous value. The third stage, with a duration of five seconds, is

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the cooling of the bag, and the SEAL display increases progressively to 5.0 s at this
stage.
-The last stage is the restoration of atmospheric pressure (AIR). The display will show
the vacuum percentage in the chamber decreasing. The atmospheric pressure
restoration type (SOFT or FAST) will also light up during this stage.
The associated indicator will light up to signal which process is active. Once the process has
finished, the indicator will turn off.
If packing cycle repetitions have been configured (REPEAT), they will be performed once
the packing process begins. The “REPEAT” icon will light up, in addition to the “VACUUM”,
“EXTRA VACUUM” or “AIR” icons depending on whether the process corresponds to the
vacuum, extra vacuum time or atmospheric pressure recovery. After each repetition, the
digit below the “REPEAT” icon decreases in value until the last packing cycle.
All processes, with the exception of vacuum chamber pressure restoration, can be cancelled
by pressing the centre button while they are running. By doing so, the appliance will
progress to the next step in the cycle until the air entry stage, at which point the cycle will
end.
If the vacuum is not correctly completed, an error will be displayed (see 5.7).
A rest period of 3 minutes between cycles is recommended.
5.7.Errors
The machine has algorithms that allow the detection of anomalous situations that can lead
to a malfunction of the machine. These situations are reported to the user via an error screen
as shown below:
Figure 8. Errors display
The table below shows the errors and possible solutions:

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Error
Description
Solution
E01
Lowered lid
Open the lid. If the error persists, call the technical service,
indicating the error code.
E02
Error in the vacuum
system
The system has detected that the vacuum pump has operated too
long to reach a certain vacuum level. Calibrate the system. If the
calibration is carried out successfully, conduct the test again.
Otherwise, call the technical service. The maximum operating
time is 2 minutes.
E03
Error in the vacuum
sensor (minimum)
Check the vacuum sensor connection tube for leaks or a poor
connection. If everything seems correct, call the technical service
indicating the error code and the central display value right
before the error.
E04
Error in the vacuum
sensor (maximum)
Check the vacuum sensor connection tube for leaks or a poor
connection. If everything seems correct, call the technical service
indicating the error code and the central display indicator value
right before the error.
E05
Internal error
The control board has detected an internal error. Call the
technical service, indicating the error code.
Table 2. Errors and possible solutions
The appliance runs automatic checks and, as a result, it may turn itself off to prevent a serious
error. Turn it on as usual.
In the event of an error with the vacuum packer, please contact the technical
service.

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6. APP USE
6.1.Prior considerations
•Note: This manual only indicates the key steps to follow, the images may be slightly
different as both operating systems have different versions.
•The following application is not supported on devices with Bluetooth connectivity
lower than version 4.0.
6.2. Download and activate the APP
6.2.1. For iOS (Apple)
Download the Mychef iSensor application from the AppStore:
Figure 9. App download for iOS

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Activate location services and Bluetooth:
Figure 10. Location and Bluetooth activation for iOS