POL-EKO SLW 53 User manual

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Drying oven (SIMPLE version) SLW 53, 115
SLN 53, 115
Caution:
Before using the device first read carefully this manual!
Manufacturer:
POL-EKO-APARATURA
version 1.10
Date 05.02.2020

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
2

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
3
Contents
1SAFETY PRECAUTIONS ............................................................................................... 5
1.1 Personal protective equipment .............................................................................................. 6
2ENVIRONMENTAL PROTECTION AND DISPOSAL OF THE UNIT .............................. 6
3PRODUCT DESCRIPTION ............................................................................................. 7
4BEFORE THE FIRST USE.............................................................................................. 8
4.1 Placement of the samples...................................................................................................... 9
4.2 Closing the door..................................................................................................................... 9
5DESCRIPTION OF THE UNIT........................................................................................10
5.1 Appearance.......................................................................................................................... 10
5.2 Control panel........................................................................................................................ 11
6OPERATION AND MAINTENANCE ..............................................................................12
6.1 Turning the unit on/off .......................................................................................................... 12
6.2 Ustawienie trybu pracy......................................................................................................... 13
6.3 Navigating between windows –work in continuous/endless mode..................................... 15
6.3.1 Changing the set temperature......................................................................................... 15
6.3.2 Advanced parameters...................................................................................................... 15
6.4 Navigating between windows - work in time mode.............................................................. 16
6.4.1 Changing the set temperature......................................................................................... 16
6.4.2 Remaining time to hold the set temperature.................................................................... 16
6.4.3 Time of maintaining the set temperature......................................................................... 17
6.4.4 Advanced parameters...................................................................................................... 17
7CLEANING AND MAINTENANCE OF THE DEVICE.....................................................19
7.1 Housing cleaning.................................................................................................................. 19
7.2 Interior cleaning.................................................................................................................... 19
7.3 Wear parts............................................................................................................................ 20
8TAKING CARE OF THE DEVICE IN CASE OF LONGER ABSENCE...........................20
9TROUBLESHOOTING...................................................................................................20
9.1 The device is not working..................................................................................................... 20
9.2 Inefficient heating................................................................................................................. 20
9.3 The device is operating too loud.......................................................................................... 20
9.4 Circuit breaker...................................................................................................................... 21
10 PLATE ...........................................................................................................................21
11 TECHNICAL DATA........................................................................................................22
12 WARRANTY ..................................................................................................................23

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
4
13 MAINTENANCE AND INSPECTION REGISTER...........................................................24
13.1 Inspection............................................................................................................................. 24
14 DECLARATION OF CONFORMITY...............................................................................25

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
5
1 SAFETY PRECAUTIONS
All warnings included in this instruction manual, especially these which appear next to the
warning or informative symbols, should be obeyed at all times to ensure the safety of the
user and to maintain the proper operation of the unit!
The manufacturer does not take any responsibility for any damage which results from
disobeying the instruction manual and misuse!
When the device is working on 200 oC or higher temperature, the housing and door can be
hot.
This symbol indicates helpful tips.
To guarantee your security and the longest efficiency of the unit, please comply with the following
rules:
1.
The unit cannot be installed:
•outside,
•in damp places or places which can be easily flooded,
•near flammable or volatile substances,
•near acids or in corrosive environments.
2.
It is forbidden to:
•store inflammable or volatile substances inside the unit,
•touch live parts of the unit,
•operate the unit with wet hands,
•put vessels containing water on the device,
•touch the compressor and condenser while the unit is connected to the mains.
3.
You should:
•use only mains with earth to avoid electric shocks,
•unplug the power cable holding the protective cover and not the cable itself,
•disconnect the unit from the mains before undertaking any repairs or maintenance
works,
•protect the power cable and the plug from any damage and do not use the plug if it is
improperly plugged in or if the cable is laid incorrectly,
•disconnect the power plug before moving the unit,
•disconnect the power plug if you are not going to use the unit for a longer period of time,
•disconnect the unit and protect it from reconnecting if it has any visual faults.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
6
1.1 Personal protective equipment
Danger: risk of burns
2 ENVIRONMENTAL PROTECTION AND DISPOSAL OF THE UNIT
The packaging protects the unit from any damage during transportation. The pack-
aging is harmless to the environment and can be recycled. Please handle it accord-
ing to the environmental protection regulations or dispose it. The unit itself can be
recycled in order to save the resources. The unit is marked according to European
Union directives on waste electrical and electronic equipment (WEEE2). This direc-
tives determine the return and recycling conditions and are valid in all European Union member states.
PLEASE HELP US PROTECT THE ENVIRONMENT!
We would like to inform you that we have taken all the necessary steps to make sure that the unit will
meet your requirements and will work reliably. Due to the fact that we constantly improve our products
and extend their range, we invite you to provide us with any feedback. All opinions are welcome! Visit
us at: www.polekolab.com
Inside the chamber there is high temperature up to 250°C. Do not touch the samples,
interior of the chamber, door and housing without suitable protective gloves!

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
7
3 PRODUCT DESCRIPTION
The device is designed to work in laboratory conditions. The interior, heating chamber and inner side
of the door are made of stainless steel (according to DIN 1.4016). The housing is made of galvanized,
powder-coated sheet. The temperature control in the device is provided by a microprocessor controller
(PID) equipped with LCD display. The controller has a possibility for two programming modes (conti-
nuous/endless or time mode)
Standard equipment:
•temperature range + 5°C above ambient temperature (not less than + 20°C) ... + 250°C,
•quality control protocol (at + 105 ° C),
•user manual,
•protection class 1.0 according to DIN 12880,
•access port for external sensor (Ø 30 mm) in the right wall of the device,
•stainless steel INOX wire shelves with a set of guides,
•external solid door.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
8
4 BEFORE THE FIRST USE
By default, the unit is sent in a cardboard box. It is necessary to transport it in the upright position and
prevent it from any unintended movements.
On the surface of unit components made of stainless steel, slight discoloration may occur. It is a result
of the technologies used in the production of metal sheet in accordance with the requirements of
PN-EN 10088-2 standard and it is not a defect of the unit.
Once you receive the unit, please check its technical condition and all accessories. Any
claims regarding latent defects should be reported to the manufacturer, while any dam-
age during transport or incomplete accessories need to be passed to the entities who are
responsible for the transport and unloading.
The place of installation of the unit should meet the following conditions:
•Ambient temperature +10°C...+28°C
•Low relative humidity of the ambient air to 60% *
•The unit has not been designed to work in highly dusty environments
•The unit should be put on a hard and stable substrate
•The unit should be placed at least 100mm away from the wall
•The height of the room must be at least 300mm greater than the height of the unit
•This unit may not be exposed to direct sunlight
•The unit should be kept away from any heat sources *
•The unit is not designed to be built-in
•The place of installation of the unit should contain a mains socket.
If you don’t comply with the above recommendations, it may deteriorate the following technical param-
eters:
•temperature stability
•temperature homogeneity
•power consumption
Non-compliance with the above recommendations may result in damage to the unit.
Failure to comply with the installation site recommendations may result in the loss of warranty.
On the back of the unit, there is an air-flap through which the hot air is extracted. The
manufacturer recommends using a non-flammable insulation screen on the wall or in-
creasing the distance from the wall. Failure to do so may result in permanent damage to
the wall and in extreme cases, to a fire.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
9
The electric installation should meet the following conditions:
The electric installation should be secured by a 16 A anti-surge fuse.
4.1 Placement of the samples
To provide proper air circulation and stable conditions in which the samples are stored in the chamber,
it is necessary to keep the following rules:
the max height of the samples should not exceed 1/3 of the space below the shelves
the samples should be placed in such a way that so that the horizontal surface between the containers
does not exceed 1/3 of the width and height of the empty shelf
the space between the samples and between the samples and the wall should be more or less equal
The picture below is an example of the placement of samples in the chamber:
Hmax
H
Hmax
a
uv w
xy z
b
u+v+w > 1/3 a
x+y+z > 1/3 b
Hmax = 2/3H
u v w
x y z
H
≅
≅ ≅
≅
Front view
Top view
Shelf
Following the above rules will provide best temperature stability
4.2 Closing the door
The door has been equipped with a handle and locking mechanism. To close, put the handle in
a horizontal position, gently push the door wing and turn the handle into a vertical position.
The device is powered by AC 230V/50Hz. The single-phase socket must be grounded.
Proper door closing reduces energy consumption and assures correct temperature uniformity
and stability.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
10
5 DESCRIPTION OF THE UNIT
5.1 Appearance
1. Main power switch,
2. Controller,
3. Handle with lock,
4. Access port Ø30mm for external sensor,
5. Power socket C20,
6. Air-flap
7. Automatic fuse,
8. Adjustable feet.
1
8
6
2
3
4
7
5

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
11
5.2 Control panel
1. Temperature unit
2. Alarm indicator
3. Communication indicator
4. Lock indicator
5. 4 function buttons: , , , .
6. Set temperature
7. Current temperature
8. Auto tuning indicator
9. OUT1 active indicator
10. Work indicator (for time work mode)
The indicators AL1 and OUT1, active at the same time, indicates the operation of the heaters
of the device.
7
6
5
10
9
8
1
2
3
4

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
12
6 OPERATION AND MAINTENANCE
6.1 Turning the unit on/off
Once the device is turned on with the main switch, the display will show the code of the product.
Current temperature in the chamber will appear. The unit has been calibrated, the displayed tempera-
ture corresponds to the temperature in the centre of chamber.
Before using the unit, it is recommended to heat the chamber. To do this, turn on the
unit and set the temperature at 250*C. Then let the unit work for 3 hours. During the
heating, the unit is likely to produce a specific smell. Before the heating process,
please clean the chamber in order to avoid permanent stains.
After launching a program, the unit will start reaching the set temperature immediately.
Make sure the set temperature is the one you require and check if there are no items inside
the chamber that might get damaged due to high temperature.
It is not possible to stop the program using the control panel (display). To stop heating, set
the min temperature or turn of the unit using the main switch.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
13
6.2 Work mode configuration
Push and keep for 5 seconds.
Configuration menu will open.
By the functionl buttons :
- go up
- go down
Choose an option and confirm by functional
buton : .
5sek.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
14
Parameter A1.FN is for changing the operating mode. Use
the function buttons :
- go up
- go down
Choose work mode :
- work in continuous/endless mode (chapter
6.3)
- work in time mode (chapter 6.4)
Choose , to return to the main menu
Changing of the parameter of work mode is saved by the controller after restart the device.
Changing of the rest of main configuration parameters is not recommended because of
preservation a proper and stabile work of the device.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
15
6.3 Navigating between windows - work in continuous/endless mode
6.3.1 Changing the set temperature
In order to change the temperature, in the main window use
function buttons:
- increasing the set temperature
- decreasing the set temperature
Example:
Current temperature –105.60C
Set temperature –100.00C
6.3.2 Advanced parameters
Access to advanced parameters is password protected.
Changing advanced parameters is not
recommended due to the correct and stable
operation of the device.
An example of operation process of the device:
Time [h]
Temp.
26 48 10 12 0
ambient
set point
Power off

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
16
6.4 Navigating between windows –work in time mode
6.4.1 Changing the set temperature
In order to change the temperature, in the main window use
function buttons:
- increasing the set temperature
- decreasing the set temperature
Example:
Current temperature –105.60C
Set temperature –100.00C
6.4.2 Remaining time to hold the set temperature
Pressing the button will take you to the window tIME –
remaining cycle time.
Example:
4471 [min] –cycle time 74 [h] 31 [min]
- cycle restart button (for tIME = 0.0)
Zero value means the end of the cycle (temperature
maintenance is turned off).
The power reset restarts the time and starts the cycle from the
beginning.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
17
6.4.3 Time of maintaining the set temperature
Pressing the button will take you to the next window
d.tMR –set cycle time.
- increasing cycle time
- decreasing cycle time
Example:
4552 [min] = 75 [h] 52 [min] cycle time
Other examples:
1.2 [min] = 1 [min] 12 [sec] cycle time
60.0 [min] = 1 [h] cycle time
Maximum mode cycle is 4553 [min]
(approximately 75h)
6.4.4 Advanced parameters
Access to advanced parameters is password protected.
Changing advanced parameters is not
recommended due to the correct and stable
operation of the device.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
18
An example of operation process of the device:
Time [h]
Temp.
26 48 10 12 0
ambient
set point
2h (120.0)
Power off
Time to maintain the set
point temperature
(cycle):.tMR=2h
2h (120.0)
1h
(60.0)
R
The time of maintaining the set temperature is counted down from reaching the set
temperature.
It’s not possible to change cycle time while reaching the set temperature. This option is
blocked. You have to enter a new cycle time and restart the device using the main switch.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
19
7 CLEANING AND MAINTENANCE OF THE DEVICE
Before cleaning the device, it has to be disconnected from the electrical supply!
On the internal walls of the device (expecially of the new one), made of stainless steel, discoloration
(stains) may appear - which are not caused by factory defects, but only by the steel production pro-
cess. They can be cleaned by using extraction gasoline.
7.1 Housing cleaning
1.
The housing of the device should be cleaned at least once a week, depending on the work-
ing conditions.
2.
The housing and door should be cleaned with caution using a soft cloth dampened with
water.
3.
Only mild cleaning products should be used to clean the device.
4.
Electrical parts should not get in contact with water or detergent.
7.2 Interior cleaning
1.
The chamber should be emptied of any samples before cleaning.
2.
Open the door of the device and wait for the frost to melt (in case of working in low tempera-
tures), take out the shelves and start cleaning the device,
3.
Only water or water with mild detergent should be used.
4.
Having finished cleaning, you should allow the device to dry fully and fit all parts removed
before cleaning.
5.
During cleaning you should make sure not to damage the temperature sensor built in on the
top of the chamber.
6.
In drying oven could happened the internal bottom metal part becomes discoloured. It is
caused be very high heaters temperature which are placed just under bottom metal part.
Use rubber gloves while cleaning to protect yourself from injuries.
When cleaning stainless steel surface with dedicated cleaning solution, one should
pay attention to the suggestions and recommendations given in the user manual (or
in the safety data sheet) of the cleaning solution.

Manual instruction SL (SIMPLE version)
POL-EKO-APARATURA sp.j. • ul. Kokoszycka 172 C • 44-300 Wodzisław Śl. • tel./fax [phone] • e-mail [e-mail]
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7.3 Wear parts
During normal work the following parts could be worn:
•silicone gasket door,
•chamber air fan –only in devices with forced air circulation (SLW).
8 TAKING CARE OF THE DEVICE IN CASE OF LONGER ABSENCE
1.
Remove all objects from the chamber.
2.
Disconnect the device from the mains
3.
Clean and dry the chamber.
4.
Leave the door open to avoid nasty smells.
5.
Store in temperature between 0°C and 50°C and relative humidity maximum 70%.
9 TROUBLESHOOTING
9.1 The device is not working
You should check if:
1.
There is not an electrical supply failure?
2.
The power cord is plugged in the mains socket properly?
3.
The fuse has not been blown?
4.
The power cord has not been damaged?
9.2 Inefficient heating
1.
Check did a time work mode has not ended in a device ? (chapter 6.4)
2.
What is the ambient temperature?
3.
Is the door shut tight?
9.3 The device is operating too loud
1.
Is the device not leaning against furniture or other objects?
2.
Is the device levelled properly?