Mistral 360 User Manual

MISTRAL 360

(SHA Two)

Forced air convection oven

User manual

Version 2.11

Rev. 2.11 Manual Mistral 360 January 2016

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TABLE OF CONTENTS

IMPORTANT SAFETY RULES FORCED AIR CONVECTION OVEN ............................................................... 2

1. Preface ................................................................................................................................................. 4

2. Setting up ............................................................................................................................................ 5

3. Working with the TFT touch screen .................................................................................................... 6

3.1 Main screen without password check ............................................................................................... 7

3.2 Main screen with password check. ................................................................................................. 10

3.3 Recipe editor ................................................................................................................................... 11

3.4 Profile or “Trend” screen. ................................................................................................................ 12

3.5 Recipe selection ............................................................................................................................... 16

3.6 Machine settings and info. .............................................................................................................. 17

3.7 Setting Date and Time ..................................................................................................................... 18

3.8 Setting User & Passwords................................................................................................................ 19

3.9 Edit user data................................................................................................................................... 20

3.10 Setting Display & Sound ................................................................................................................ 21

3.11 Dealer info. .................................................................................................................................... 22

4. Specifications ..................................................................................................................................... 23

6. Appendix ............................................................................................................................................ 24

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IMPORTANT SAFETY RULES FORCED AIR CONVECTION OVEN

Risk of fire and burning:

When the oven is in production mode it is dangerous to leave the oven unattended, high
temperature and long producing times can be overheat the oven what can lead to
fire. When you take out a PCB when oven is at working temperature use protective gloves
or a heat resistant tool.
In case of fire pull out the plug!
Put no flammable materials near or on the reflow –oven, don’t block the ventilation grate.
Don’t touch the glass of the oven, it can be hot. You risk a serious burning of the skin.

Machine location:

Use this oven not outdoors! The oven is developed to install it on a flat, dry surface. This
surface or table must be capable to care a weight of at least 200 Kg. The oven should be
used with normal room temperatures from 15 to 25 degrees. Be sure to provide with
clearance of at least 4 inches (10 cm) between the unit and walls.
It is not allowed and even dangerous to build it in a cupboard or box. Install this oven not
near a heating element or stove, also not in a wet environment.

Power supply:

Be sure to install complying with industry standards. Incomplete or bad installation can
cause stumbling accidents or electrical shock. Put the main plug in the wall socket near by
the oven, this is important! Because in case of an emergency the operator can pull out the
plug. The power supply is 3 phase 16A, 380/400V 50 Hz AC power outlet. Each phase must
be secured with a 16 A fuse.

Normal use:

The oven is developed only for soldering of PCB’s , don’t use the oven for food, animals or
heating of other materials. You will lose warranty if you don’t commit to those rules.
Don’t use the oven when it’s damaged or not working properly.
Check the properly working of the oven by following the checklist below:

1. Are entry and outlet free, are there no other obstruction

2. Are all springs in good condition

3. Check the line cord, plug and outlet. Be sure they are not damaged.

High voltage - ONLY QUALIFIED PERSONS MAY OPEN THE CASING:
The casing may never be opened or removed! Inside the machine are high voltages which
can be lead serious injuries or even to dead!.

Don’t put the plug and the line cord into any kind of liquid. Avoid situations that liquids or
other materials entering the oven through door latching or ventilation grate.
In the case this is happening:
Switch off the oven immediately or/and, pull the plug out of the wall socket.
Ask your supplier what to do.
Be sure the line cord is not making a sharp hook or is hanging on sharp things. Avoid line
cord to be in contact with warm or hot surfaces.
In case of damage only qualified persons may replace the line cord.

Operating the oven:

It’s not allowed to operate this oven under the age of 18 years. It’s also not allowed that the
oven is operated by persons with disabilities which will make it impossible to use the
machine in a save and responsible way.
It’s strongly recommended that the operator has enough knowledge about working with
soldering machines and the use of the right paste for soldering.
Use the oven only in well ventilated rooms. Follow the safety rules of your paste supplier.
During the soldering process gas and heat will be produced. The gasses can be affect your
health in a negative way.
It is recommended to buy our fume extractor option!.

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Responsibility at improperly use:

Nor the supplier or manufacturer is responsible for damage at the oven or personal injury
when safety rules and correct installation are not committed. Also warranty will be
immediately omitted.

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1. Preface

Congratulations! You have purchased a machine of high quality made with dedication to meet
the highest standards possible. To ensure proper operation we strongly advise you to read this
manual first.
This manual is designed to help you get the most out of the Forced Air Convection Oven
program in the shortest possible time. It is written for both the new and experienced user in
mind.

1.1 How this manual is organized

The first section of the manual explains the unpacking and installation of the oven. Included is
a description of the principles and specifications of the oven.
The main section of the manual is built around questions a user might have concerning the
touch screen display. The software is designed to achieve the most user friendly control of the
oven simply by using your fingertip.

1.2 The figures

The figures in this manual were captured with the intention of providing the clearest possible
tutorial for the program. Default screen positions and sizes were used in most cases.
Because the oven program can be configured in many different ways, do not be concerned if
you detect minor differences between the figures in this manual and what you see on your
display.

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2. Setting up

2.1 Unpacking the oven

Carefully unpack the oven and save the original package in case you need to ship the unit.
Ensure that1 thermocouple wire is enclosed.

2.2 Before starting the oven:

Operate the oven in a well-ventilated room only.
Keep people, who do not operate the unit, away from the oven.

2.3 Power source

400 VAC, 3-phase +N, 16A 50/60Hz.
Make sure that the oven is connected to a well earthed outlet.

2.5 Notices on operation

- Do not operate any switch with a wet hand, otherwise you can get an electrical shock.

- Do not use combustibles (e.g. thinner), combustible gases, or volatile matter near the oven;

otherwise explosion or fire can be caused.

- Do not put anything on the oven while using the oven. The heat could cause fire and/or
deformation, cracking, etc.

- Consult only your dealer for repairs. Incomplete repairs can cause electrical shock, fire or
stumbling.

- When removing dirt on the oven, do not use chemicals, such as thinner or benzene;
otherwise accidents can be caused.

2.6 Purpose of using the oven

The oven was designed only to be used for soldering or drying. Do not use for other purposes.

2.7 Using an exhaust

To connect the exhaust: move the exhaust pipe over the stud at the rear end of the oven. From
there you can exhaust directly to the outside as long as the distance is less the 3 meter.
When the distance is more than 3 meter, an additional exhaust ventilation unit is required.
Note that when using an added ventilation unit air flow regulation may be required since
excessive air exhaust can cause temperature drop in the oven.

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3. Working with the TFT touch screen

When the machine has been switched on the following picture will be displayed on screen:

After the machine has booted there are two possibilities about the screen that’s coming up. The

main screen or the login screen. This will be explained in the next chapter.

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3.1 Main screen without password check

This screen will be displayed when in the menu “Settings \ Display & Sound” the function “Use user
& password” is set to “No”.

The main screen without the use of passwords is shown below.

3.1.1 Lay-out of the main screen.

The upper left corner displays the current date, the upper right corner displays the current time.
Both can be changed at “Settings / Date and Time”. (See “Machine settings en info”)

Recipe: Name of the current soldering profile.

Customer: Name of the current client.

Act.( C ): The actual zone temperature.

Set.( C ): The set zone temperature.

Sensor 1 en 2: it might be useful to check the temperature of the product during the production
process, to make sure the soldered component has the correct temperature the appropriate amount
of time. To do this at least one thermocouple sensor must be attached to the product. The melting
temperature can be modified in the “Recipe editor”.
The first number represents the actual temperature (°C). The second number represents the time the
component is at melting temperature.

Sensors: This button will only show if at least one thermocouple sensor has been connected. The
thermocouple functions as described as before in “Sensor 1 en 2” is turned on and off by this button.
If switched on “Sensor On” will be displayed in red.

Belt speed: This is the speed of the belt as set in the recipe. The belt speed can be adjusted by
cm/min with the buttons “+” and “–“. The belt speed can also be adjusted at the “Recipe editor”.
If the profile has to be changed the user should press on the value that should be changed. This will
display the “Recipe editor”. This screen will be discussed in the chapter “Recipe editor”.
Invisible button: There is an invisible button between the “Sensor” and “Recipes” buttons. By
pressing this button you will put the screen in ”Max. brightness” mode. This option is set at the
“Display & Sound” screen. Please refer to “Display & Sound” for more information.

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3.1.2 Functions explained.

Start: when this button is pressed the status will change from “Stopped” to “Running”. The oven is
now in production mode. The button text will change to stop. When pressed the status will change
from “Running” to “Stopped”, this indicates the machine went back to stand-by mode.

Profile: by pressing this button the “Make profile” screen will be displayed. Using this the user can
make a soldering profile by using thermocouples. Please refer to “Make profile” for more
information. Another word often used for “Profile” is “Trend”.

Settings: By pressing this button the “Machine settings and info” screen will be displayed. Please
refer to “Machine settings and info” for more information.

Recipes: By pressing this button the “Recipe selection” screen will be displayed. This will display a list
with all available profiles. Please refer to “Recipe selection” for more information.

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3.2 Main screen with password check.

This screen will be displayed when in the menu “Settings \ Display & Sound” the function “Use user
& password” is set to “Yes”. This also concerns machines booting process, as it will display the

password screen instead of the main screen.

The “Login to machine” and main screen when using the password option are shown below.

3.2.1 Logon to the machine.

The use of the login screen is straight forwards. After entering your username hit enter. You’ll now
moving to the “Password” en the field is changing to yellow. Enter your password en hit enter. If the
username and password are valid the main screen is coming up. If the values are not valid the logon
screen is cleared and waiting for input.

3.2.2 Functions explained.

The functions of all buttons and field has not been changed, it only adds 2 new values:

Operator: The name of the current machine operator. The operator privileges and name can be
changed in the “Settings \ User & Passwords” menu.

Logout: By pressing this button the user will log out of the machine and will return to the password
screen. Another user can now login to the machine. (Note: different users have different privileges)

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3.3 Recipe editor

When a value is pressed in the main screen the “Recipe editor” will be displayed. Using the “Recipe
editor” the user can change any of these values to its desired value. If password protection has been

enabled only administrators can change the values of in the “Recipe editor”.
The “Recipe editor” screen is shown below.

3.3.1 Editing a recipe value

Ticking the value that needs changing. Depending on the value a (alpha) numeric keyboard, named
“Edit recipe item”, will be displayed. This keyboard screen will display the current, max and min
values of the pressed field. Pressing Enter or Cancel will bring the user back to the “Recipe editor”.
The numeric keyboard “Edit recipe item” is shown below.

3.3.2 Functions explained.

Save: Any changes will be saved and the screen will display the main screen.

Cancel: The new values will NOT be saved and the screen will display he main screen.

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3.4 Profile or “Trend” screen.

This screen will be displayed if “Profile” has been ticked at the main screen. This function allows
users to draw a profile of the soldering process. If a USB stick is inserted these profiles will be saved
at this USB stick.
The “Make profile” screen is shown below.

The Y axis displays the temperature related to the max. temperature of the recipe. The X axis displays
the time related to belt speed. Both axis will change according the values entered in the recipe.
To use this option at least 1 thermocouple must be attached to the product and connected to the
machine, there should also be a USB stick in the USB port. The USB ports are found at the zone
entrance.

A folder “Mistral” must be created on the USB stick. In de “Mistral” folder a folder “trends” must be
created. The names of these folders must be typed EXCACTLY as described.
Mind the use of capital letters.

The USB stick should have a name. In this example the name of the USB is “TRANSCEND”. There are
no restrictions concerning the name of the USB stick.

Folder structure in the root of the USB-Memory stick TRANSCEND is shown below:

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3.4.1 Functions in idle state explained.

Start log: By pressing this button the program will start logging the thermocouple values. The values
will be represented by a red ( SENSOR 1) and a green ( SENSOR 2 ) lines in the graph.

Back: By pressing this button the user will return to the main screen, all unsaved data will be lost.

3.4.2 Layout “Make profile” screen

Belt speed: The belt speed as defined in the recipe.

Melt point: The required temperature to melt the solder. Consult with your solder supplier for more

information on melting temperatures. This value is also defined in the recipe.

The values at the left hand side of the screen ( 0 – 260 ) : This is the temperature scale. These values
depend on the recipe.

The values at the bottom of the screen ( 0 – 210 ) : this is the time scale. These values depend on the
recipe.

SENSOR 1 en 2: This shows the current value of the thermocouple.

Use of lines: The purple line represents the melting temperature. The blue line represents the set

temperature of the zones. The length represents the time the product is in the zone.

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3.4.3 How to make a profile

1. Attach a thermocouple sensor onto the product at the pace of your choice and place it on
the belt.

2. When the component enters the first zone the user should press the “start log” button to
start creating the profile.
Below you will see how screen looks after “start log” is pressed.

3.4.4 Functions in logging state explained.

Logging: This is a representation of the status. There is no further function.
Save: When this button is pressed all collected data is saved on the USB stick and the logging

process is stopped.
When time is finished ( in the example after 210 seconds ) the process will automatically
stops and all collected data is saved onto the USB Memory stick. When no stick is available
the data is destroyed. The data can be printed with the supplied Excel macros. (See “Printing
the profile”)
The screen layout after the profile is saved in shown below.

Back: Data is destroyed and the screen will be closed and main screen is coming up.

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3. After the product enters the cool down zone wait a while. When the product is cool enough
to touch remove the sensor(s).
The user can select “Start log” to make another profile or “Back” if he wants to quit. It’s
possible to save more profiles on the USB stick

3.4.5 Printing the profile or trend

To print the profile you will need a PC with the program Microsoft Excel installed. On the supplied
USB stick you will find a folder named “Macros”.
There are two Excel sheet in this folder:

“Productsheet2003.xls”. Use this for Excel versions 2003 t/m 2013
“Productsheet2013.xls”. Use this for Excel version 2013 or higher.

Insert the USB Memory stick, containing the data you collected with “Make profile” option of the
oven, in the PC’s USB port.
Double-click on the macro of your choice. After Excel has opened the sheet the user is asked to select
a data file. It’s a normal Windows file selector window. Navigate in this window to the folder
“\Mistral\trends” on the USB Memory stick.
You will now see a list of “.hdr” files. Select the file of your choice and click “OK”
Excel will then process the data and show a graph with all relevant data. You can now print the
graph.

The name of the “.hdr” files contains production information. With this information you can find the
profile you like to view.
Determination of the filename T201406190752.hdr is shown as below
T-2014 – 06 – 19 – 07 – 52 ( year – month – day – hour – minute )

****************** WARNING *****************

The Excel macro files are not protected. The user is capable of changing the source of the
macro. Before you will do so make a copy of these macro files. Changing or corrupt these

files are not covered by the warranty.

****************** WARNING *****************

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3.5 Recipe selection

When ticking on “Recipes” in the main screen you will enter the “Recipe selection” screen. The
number of possible recipes is practically limitless. Off from the factory there are 20 default recipes.
User can select, insert or delete recipe in this screen. It’s not possible to change values in this screen.
Values can be changed after the recipe is selected and placed in the main screen.
The “Recipe selection” is showed below.

The user can select a row by ticking on it. A white bar mark the last ticked recipe as selected.

3.5.1 Functions explained

<<: One page back

>>: One page forwards

Name: Toggle between recipe- or customer name

Ins: A new recipe is inserted at the location of white bar. Values can be changed in the main screen.

Del: The row whit the white bar is deleted

Confirm: The selected recipe will be used and the “Recipe selection” is closed. The main screen is

show up with the newly selected recipe. It’s possible to change the values now.

Back: Go back to main screen and do not change the recipe you was using.

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3.6 Machine settings and info.

Ticking the function “Settings” in the main screen will open the “Machine settings and info” screen.
This screen contains 5 menu options we will describe here.
The “Machine settings and info” is shown below.

3.6.1 Functions explained

With the “READY” function the screen is closed and the main screen is showing up.

Date en Time: User can change date and time values. See also “Setting Date and Time”.

User & Password: Change, insert or delete operators. See also “Setting User & Passwords”.

Display en Sound: Setting display background lightning, use of sound and the use of passwords. See
also “Setting Display & Sound”

Dealer info: Here the user can find information to contact his dealer. See also “Reading Dealer info”

Update program: If an update is available this function will install the update. More details will be

available with the update.

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3.7 Setting Date and Time

This screen is used to set local date and time. There is no capability for summer- or winter time
detection.
The “Changing data en time” is showed below.

3.7.1 Functions explained

CANCEL: Close the screen and ignore all changes

BS: Clear the character before

CLR: Delete entire value

ENTER: Advance to next field. If on the “Seconds” field the new value are saved and screen is closed.

When a field is empty while ticking the enter key the actual value is showing up in that field.

3.7.2 Time and date fields explained

Year: Enter the complete year number, e.g. 2014, or enter to preserve the actual value.

Month: Number of month, e.g. 7 July, of enter or enter to preserve the actual value.

Day: The date, e.g. 6, or enter to preserve the actual value.

Hours: The hour in 24 hour format, e.g. 19, or enter to preserve the actual value.

Minutes: Enter the minutes, e.g. 3, or enter to preserve the actual value.

Seconds: Enter the seconds, e.g. 0, or enter to preserve the actual value. The screen will close and

the new values are saved and used.

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3.8 Setting User & Passwords

With this screen you can maintenance the operators who are allowed to work with the oven. To use
these operators en protection you have to enable the option “Use user and passwords” in the
“Display & Sound” screen.
The “User maintenance” screen is showed below.

Ticking on a use row will mark the user as selected with a white bar.

3.8.1 Functions explained

<<: One page back

>>: One page forwards

Edit: This opens the “Edit user data” screen. Refer to the ”Edit user data” chapter.

Ins: Insert a new user at the location of the white bar.

Del: Delete the user selected by the white bar.

Stop : Go back to “Machine settings and info” screen.

****************** WARNING *****************

It’s not a good idea to change the first user called “Admin”. The standard password for this

user is: tp-admin.

Use this user only in special cases. If you lose these data it’s possible that you cannot enter

machine anymore. This situation is outside warranty rules.

****************** WARNING *****************

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3.9 Edit user data

If you ticked “Edit” in the “User maintenance” screen this screen is showing up. Here you can change
the name, password and rights of an operator.
The “Edit user data” screen is showed below.

3.9.1 Functions explained

Save: Save all changes you’ve made.

Cancel: Close the screen and lose all changes.

3.9.2 Fields explained.

Username: Ticking on the name value will open an alpha-numeric keyboard. You’re then capable to
change the name.

Password: Ticking on the password value will open an alpha-numeric keyboard. You’re then capable
to change the password.

Group: By ticking on the group value you will toggle between “User” and “Admin”. These groups
represents the rights the user will have on the machine. In this case “User” and “Admin” are not
names but functions.

3.9.3 Explaining groups

If the user belongs to the “Admin” group. This user can change all settings and values on the
machine.
If the user belongs to the “User” group. This user can only use the machine by starting or stopping
the machine, making a profile, select another recipe or change belt speed.

The group “User” cannot change values or settings.

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3.10 Setting Display & Sound

When ticking “Display & sound” in the “Machine settings and info the “Screen & Sound” will be
showing up. There are 5 option which are changeable.
The “Screen & Sound” screen is showed below.

3.10.1Functions explained

Save: Save all changes you’ve made.

Cancel: Close the screen and lose all changes.

3.10.2 Fields explained

It is possible to regulate the brightness of the screen. The preserve the screens lifetime it’s also
possible to set a “sleep mode” during the time the main screen is showed. During a normal
production cycle this screen is hardly viewed.
When ticking on the screen the “Max. brightness” value will be used. In “sleep mode” the “Min.

Brightness” value will be used.
Max. brightness: The screen brightness when you are working on the screen.

Min. brightness: The screen brightness when you do not touch the screen longer then the time
defined in “Lower brightness after”

Lower brightness after: After the time, entered in this field, is finish the brightness of screen is

lowered to the value entered in “Min. brightness”. The timer will be reset if the user ticks on the
screen.
Use sound: Ticking on this field toggles between “Yes” and “No”. When “Yes” is selected then a short
beep sounds when the user ticks at the screen on a function or editable field.

Use user & password: Ticking on this field toggles between “Yes” en “No”. When “Yes” is selected
the machine will be protected against unauthorized use. The user has first to logon. After a
successfully login he can use the machine as described in the group rights he’s belonging to.

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3.11 Dealer info.

In this screen the user can find information about his dealer, serial number, construction date and
the revision of the controller hardware. The software revision of the controller will be changed if an
upgrade or downgrade is installed as described in “Update program”
The “Dealer info” screen is show below.

The information shown in this screen is only mentioned as example. The screen you will see depends
of dealer. Of course the serial number, construction date and Hardware rev. are different in the real
application.

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4. Specifications

The reflow oven MISTRAL 360 is developed for lead free reflow soldering of SMT boards,
hybrid boards or curing adhesives.

Transport system

The boards are transported through the oven on a conveyor belt made from high grade
stainless steel mesh conveyor belt with variable speed between 15 and 110 cm/min (6 to 43.31
inch/min).

Heating system

Heating is achieved by forced air convection. This reduces the shadow effects and results in
no colour sensitivity, no hot spots and no cold solder joints. The heating system is suitable for
lead-free soldering.

Cooling system

Bottom cooling fans at the offload section ensure cooling of your circuits before leaving the
transport belt.

Control

All functions are controlled by a TFT touch screen display which is easy to program with a
user friendly interface.
Furthermore this control is equipped with a USB 2.0 master port for data output to storage device.
The is a second USB 2.0 (slave) and the Ethernet port are for future communication with external
devices. E.g. a PC.

Exhaust

The integrated exhaust system transports fumes to an outdoor ventilation or filtration unit.

Thermocouple wire

The included thermocouple wire can be used to monitor the temperature progress when
attached to a PCB or any other object running through the oven on the conveyor belt.

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6. Appendix

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