Binder MK 56, MK056-230V, MK056-240V, MK115-400V, MK 115 Operating Manual
...
Model
Model version
Art. No.
Model
Model version
Art. No.
Operating Manual
Translation of the original operating manual
MK (E5)
Alternating climate chambers with program control
MK 56 MK056-230V 9020-0374, 9120-0374
MK056-240V 9020-0388, 9120-0388
MK 115
MK 240
MK 720
MK115-400V
MK115-400V-C 9020-0303 (with voltage and frequency changer)
MK240-400V
MK240-400V-C
MK720-400V
MK720-400V-C
9020-0375, 9120-0375
9020-0376, 9120-0376
9020-0355 (with voltage and frequency changer)
9020-0377, 9120-0377
9020-0356 (with voltage and frequency changer)
MKT (E5)
Alternating climate chambers with deep temperature
and program control
MKT 115
MKT 240
MKT 720
MKT115-400V
MKT115-400V-C
MKT240-400V
MKT240-400V-C
MKT720-400V
MKT720-400V-C
BINDER GmbH
9020-0385, 9120-0385
9020-0363 (with voltage and frequency changer)
9020-0386, 9120-0386
9020-0364 (with voltage and frequency changer)
9020-0387, 9120-0387
9020-0365 (with voltage and frequency changer)
Address: Post office box 102, 78502 Tuttlingen, Germany Phone: +49 7462 2005 0
Fax: +49 7462 2005 100 Internet: http://www.binder-world.com
E-mail: info@binder-world.com Service Hotline: +49 7462 2005 555
Service Fax: +49 7462 2005 93 555 Service E-Mail: service@binder-world.com
Service Hotline USA: +1 866 885 9794 or +1 631 224 4340 x3
Service Hotline Asia Pacific: +852 390 705 04 or +852 390 705 03
Service Hotline Russia and CIS: +7 495 988 15 16
Issue 03/2019 Art. no. 7001-0364
Contents
1. SAFETY .................................................................................................................. 6
1.1 Legal considerations ........................................................................................................................... 6
1.2 Structure of the safety instructions ...................................................................................................... 6
1.2.1 Signal word panel ...................................................................................................................... 6
1.2.2 Safety alert symbol .................................................................................................................... 7
1.2.3 Pictograms ................................................................................................................................ 7
1.2.4 Word message panel structure ................................................................................................. 8
1.3 Localization / position of safety labels on the chamber ....................................................................... 8
1.4 Type plate ............................................................................................................................................ 9
1.5 General safety instructions on installing and operating the chamber ................................................ 10
1.6 Intended use ...................................................................................................................................... 12
1.7 Operating instructions ....................................................................................................................... 13
1.8 Measures to prevent accidents ......................................................................................................... 13
2. CHAMBER DESCRIPTION .................................................................................. 14
2.1 Chamber overview ............................................................................................................................ 15
2.2 Instrument panel................................................................................................................................ 15
2.3 Lateral control panel .......................................................................................................................... 16
2.4 Main power switch (MK 56) ............................................................................................................... 17
2.5 Rear power switch (MK / MKT 115, 240, 720) .................................................................................. 17
2.6 Rear chamber view ........................................................................................................................... 18
3. COMPLETENESS OF DELIVERY, TRANSPORTATION, STORAGE, AND
INSTALLATION .................................................................................................... 20
3.1 Unpacking, and checking equipment and completeness of delivery................................................. 20
3.2 Guidelines for safe lifting and transportation ..................................................................................... 21
3.3 Storage .............................................................................................................................................. 21
3.4 Location of installation and ambient conditions ................................................................................. 21
4. INSTALLATION AND CONNECTIONS ................................................................ 23
4.1 Connection of cooling water outlet for water cooling (option for MK 56) ........................................... 23
4.2 Connection of cooling water inlet for water cooling (option for MK 56) ............................................. 23
4.3 Installation of the voltage and frequency changer (chambers with voltage and frequency changer) 24
4.4 Electrical connection ......................................................................................................................... 26
4.4.1 Information on connecting the alternating climate chamber ................................................... 26
4.4.2 Connecting the voltage and frequency changer (for chambers equipped with a voltage and
frequency changer) ................................................................................................................. 27
5. FUNCTIONAL OVERVIEW OF THE MB2 CHAMBER CONTROLLER ............... 28
5.1 Operating functions in normal display ............................................................................................... 29
5.2 Display views: Normal display, program display, chart-recorder display ........................................... 30
5.3 Controller icons overview .................................................................................................................. 31
5.4 Operating modes ............................................................................................................................... 33
5.5 Controller menu structure .................................................................................................................. 34
5.5.1 Main menu .............................................................................................................................. 35
5.5.2 “Settings” submenu ................................................................................................................. 36
5.5.3 “Service” submenu .................................................................................................................. 36
5.6 Principle of controller entries ............................................................................................................. 37
5.7 Performance during and after power failures .................................................................................... 37
5.8 Performance when opening the door ................................................................................................ 38
6. START UP ............................................................................................................ 38
6.1 Turning on the chamber .................................................................................................................... 38
6.2 Controller settings upon start up ....................................................................................................... 39
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7. SET-POINT ENTRY IN “FIXED VALUE” OPERATING MODE ........................... 40
7.1 Set-point entry through the “Setpoints” menu ................................................................................... 40
7.2 Direct setpoint entry via Normal display ............................................................................................ 41
7.3 Special controller functions via operation lines ................................................................................. 41
8. TIMER PROGRAM: STOPWATCH FUNCTION ................................................... 43
8.1 Starting a timer program ................................................................................................................... 43
8.1.1 Performance during program delay time ................................................................................ 43
8.2 Stopping a running timer program ..................................................................................................... 44
8.2.1 Pausing a running timer program............................................................................................ 44
8.2.2 Cancelling a running timer program ........................................................................................ 44
8.3 Performance after the end of the program ........................................................................................ 44
9. TIME PROGRAMS ............................................................................................... 45
9.1 Starting an existing time program ..................................................................................................... 45
9.1.1 Performance during program delay time ................................................................................ 46
9.2 Stopping a running time program ...................................................................................................... 46
9.2.1 Pausing a running time program ............................................................................................. 46
9.2.2 Cancelling a running time program ......................................................................................... 46
9.3 Performance after the end of the program ........................................................................................ 46
9.4 Creating a new time program ............................................................................................................ 47
9.5 Program editor: program management ............................................................................................. 47
9.5.1 Deleting a time program .......................................................................................................... 48
9.6 Section editor: section management ................................................................................................. 49
9.6.1 Add a new program section .................................................................................................... 50
9.6.2 Copy and insert or replace a program section ........................................................................ 50
9.6.3 Deleting a program section ..................................................................................................... 51
9.7 Value entry for a program section ..................................................................................................... 52
9.7.1 Section duration ...................................................................................................................... 52
9.7.2 Set-point ramp and set-point step ........................................................................................... 53
9.7.3 Special controller functions via operation lines ....................................................................... 54
9.7.4 Setpoint entry .......................................................................................................................... 55
9.7.5 Tolerance range ...................................................................................................................... 56
9.7.6 Repeating one or several sections within a time program ...................................................... 57
9.7.7 Saving the time program ......................................................................................................... 57
10. WEEK PROGRAMS ............................................................................................. 58
10.1 Starting an existing week program .................................................................................................... 58
10.2 Cancelling a running week program .................................................................................................. 58
10.3 Creating a new week program .......................................................................................................... 59
10.4 Program editor: program management ............................................................................................. 60
10.4.1 Deleting a week program ........................................................................................................ 61
10.5 Section editor: section management ................................................................................................. 62
10.5.1 Add a new program section .................................................................................................... 63
10.5.2 Copy and insert or replace a program section ........................................................................ 63
10.5.3 Deleting a program section ..................................................................................................... 64
10.6 Value entry for a program section ..................................................................................................... 64
10.6.1 Set-point ramp and set-point step modes ............................................................................... 64
10.6.2 Weekday ................................................................................................................................. 65
10.6.3 Start time ................................................................................................................................. 65
10.6.4 Setpoint entry .......................................................................................................................... 66
10.6.5 Special controller functions via operation lines ....................................................................... 66
11. NOTIFICATION AND ALARM FUNCTIONS ........................................................ 67
11.1 Notification and alarm messages overview ....................................................................................... 67
11.1.1 Notifications ............................................................................................................................ 67
11.1.2 Alarm messages ..................................................................................................................... 68
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11.2
State of alarm .................................................................................................................................... 68
11.3 Resetting an alarm, list of active alarms ........................................................................................... 69
11.4 Activating / deactivating the audible alarm (alarm buzzer) ................................................................ 69
12. TEMPERATURE SAFETY DEVICES ................................................................... 70
12.1 Over temperature protective device (class 1) ................................................................................... 70
12.2 Overtemperature safety controller class 2 ........................................................................................ 70
12.2.1 Safety controller modes .......................................................................................................... 70
12.2.2 Setting the safety controller ..................................................................................................... 71
12.2.3 Message and measures in the state of alarm ......................................................................... 72
12.2.4 Function check ........................................................................................................................ 72
12.3 Over/under temperature safety device class 2 (option) .................................................................... 73
13. USER MANAGEMENT ......................................................................................... 74
13.1 Authorization levels and password protection ................................................................................... 74
13.2 Log in ................................................................................................................................................. 77
13.3 Log out .............................................................................................................................................. 78
13.4 User change ...................................................................................................................................... 78
13.5 Password assignment and password change ................................................................................... 79
13.5.1 Password change ................................................................................................................... 79
13.5.2 Deleting the password for an individual authorization level .................................................... 81
13.5.3 New password assignment for “Service” or “Admin” authorization level when the password
function was deactivated ......................................................................................................... 82
13.6 Activation code .................................................................................................................................. 83
14. GENERAL CONTROLLER SETTINGS ................................................................ 84
14.1 Selecting the controller’s menu language ......................................................................................... 84
14.2 Setting date and time ........................................................................................................................ 84
14.3 Selecting the temperature unit .......................................................................................................... 86
14.4 Display configuration ......................................................................................................................... 86
14.4.1 Adapting the display parameters............................................................................................. 86
14.4.2 Touchscreen calibration .......................................................................................................... 87
14.5 Network and communication ............................................................................................................. 88
14.5.1 Serial interfaces ...................................................................................................................... 88
14.5.2 Ethernet................................................................................................................................... 89
14.5.2.1 Configuration ................................................................................................................... 89
14.5.2.2 Display of MAC address .................................................................................................. 90
14.5.3 Web server ............................................................................................................................. 90
14.5.4 E-Mail ...................................................................................................................................... 91
14.6 USB menu: Data transfer via USB interface ..................................................................................... 92
14.7 Turning off the interior lighting automatically ..................................................................................... 93
15. GENERAL INFORMATION .................................................................................. 93
15.1 Service contact page ......................................................................................................................... 93
15.2 Current operating parameters ........................................................................................................... 94
15.3 Event list ............................................................................................................................................ 95
15.4 Technical chamber information ......................................................................................................... 95
15.5 Self-test function (MK 56) .................................................................................................................. 96
16. CHART RECORDER DISPLAY ............................................................................ 98
16.1 Views ................................................................................................................................................. 98
16.1.1 Show and hide legend ............................................................................................................. 98
16.1.2 Switch between legend pages ................................................................................................ 98
16.1.3 Show and hide specific indications ......................................................................................... 99
16.1.4 History display ......................................................................................................................... 99
16.2 Setting the parameters .................................................................................................................... 102
17. NOTES ON REFRIGERATING OPERATION .................................................... 103
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18. ANTI-CONDENSATION PROTECTION VIA OPERATION LINE ....................... 104
19. ZERO-VOLTAGE SWITCHING OUTPUTS VIA OPERATION LINES ............... 105
20. OPTIONS ............................................................................................................ 106
20.1 APT-COM™ 4 Multi Management Software (option) ...................................................................... 106
20.2 RS485 interface (option) ................................................................................................................. 106
20.3 Data logger kit (option) .................................................................................................................... 106
20.4 Analog outputs for temperature (option) ......................................................................................... 106
20.5 Compressed air connection (option) ............................................................................................... 107
20.6 Compressed air dryer (option)......................................................................................................... 107
20.7 Water cooling (option) ..................................................................................................................... 109
20.8 Object temperature display with flexible Pt 100 temperature sensor (option) ................................. 109
21. MAINTENANCE, CLEANING, AND SERVICE ................................................... 110
21.1 Maintenance intervals, service ........................................................................................................ 110
21.2 Cleaning and decontamination ........................................................................................................ 111
21.2.1 Cleaning ................................................................................................................................ 111
21.2.2 Decontamination ................................................................................................................... 113
21.3 Sending the chamber back to BINDER GmbH ............................................................................... 114
22. DISPOSAL .......................................................................................................... 114
22.1 Disposal of the transport packing .................................................................................................... 114
22.2 Decommissioning ............................................................................................................................ 115
22.3 Disposal of the chamber in the Federal Republic of Germany ........................................................ 115
22.4 Disposal of the chamber in the member states of the EU except for the Federal Republic of
Germany .......................................................................................................................................... 116
22.5 Disposal of the chamber in non-member states of the EU ............................................................. 117
23. TROUBLESHOOTING ....................................................................................... 118
24. TECHNICAL DESCRIPTION .............................................................................. 121
24.1 Factory calibration and adjustment ................................................................................................. 121
24.2 Over-current protection ................................................................................................................... 121
24.3 Definition of usable volume ............................................................................................................. 121
24.4 MK (E4) technical data .................................................................................................................... 122
24.5 MKT (E4) technical data .................................................................................................................. 124
24.6 Equipment and options (extract) ..................................................................................................... 126
24.7 Accessories and spare parts (extract)............................................................................................. 127
24.8 MK heating-up and cooling-down graphs ........................................................................................ 128
24.9 MKT heating-up and cooling-down graphs ...................................................................................... 132
24.10 MK heat compensation.................................................................................................................... 135
24.11 MKT heat compensation ................................................................................................................. 136
24.12 Dimensions...................................................................................................................................... 138
25. CERTIFICATES AND DECLARATIONS OF CONFORMITY ............................. 143
25.1 EU Declaration of Conformity for MK .............................................................................................. 143
25.2 EU Declaration of Conformity for MKT ............................................................................................ 146
25.3 Certificate for the GS mark of conformity of the “Deutsche Gesetzliche Unfallversicherung e.V.“
(German Social Accident Insurance) DGUV ................................................................................... 149
26. PRODUCT REGISTRATION .............................................................................. 151
26.1 Registering a BINDER chamber ..................................................................................................... 151
26.2 Multi Management Software APT-COM™ 4 BASIC-Edition ........................................................... 152
27. CONTAMINATION CLEARANCE CERTIFICATE .............................................. 153
27.1 For chambers located outside the USA and Canada ...................................................................... 153
27.2 For chambers located in the USA and Canada ............................................................................... 156
MK / MKT (E5) 03/2019 page 5/158
Dear customer,
For the correct operation of the chambers, it is important that you read this operating manual c ompletely
and carefully and observe all instructions as indicated. Failure to read, understand and follow the instructions may result in personal injury. It can also lead to damage to the chamber and/or poor equipm ent performance.
1. Safety
This operating manual is part of the components of delivery. Always keep it handy for reference. The device should only be operated by laboratory personnel especially trained for this purpose and familiar with
all precautionary measures required f or working in a laborator y. Observe the national regulations on minimum age of laboratory personnel. To avoid injuries and damage obs erve the safety instructions of the
operating manual.
WARNING
Failure to observe the s afety instructions.
Serious injuries and chamber damage.
Observe the safety instructions in this operating manual
Carefully read the complete operating instructions of the chambers.
1.1 Legal considerations
This operating manual is for informational purposes only. It contains inform ation for installing, start-up,
operation and maintenance of the product. Note: the contents and the product described are s ubject to
change without notice.
Understanding and observing the instr uctions in this operating manual are prerequisites for hazard-free
use and safety during operation and maintenance. In no event shall BINDER be held liable for any damages, direct or incidental arising out of or related to the use of this manual.
This operating manual cannot cover all conc eivable applications. If you would like additional information,
or if special problems aris e that are not sufficiently addressed in this manual, please ask your dealer or
contact us directly by phone at the number located on page one of this manual
Furthermore, we emphas ize that the contents of this operat ing m anual ar e not part of an earlier or existing
agreement, description, or legal relationship, nor do they modif y such a relationship. All obligations on the
part of BINDER derive from the respective purchase c ontract, which also contains the entire and exclusively valid statement of warranty administration. The statements in this manual neither augment nor restrict the contractual warranty provisions.
1.2 Structure of the safety instructions
In this operating manual, the following safety definitions and symbols indicate dangerous situations following the harmonization of ISO 3864-2 and ANSI Z535.6.
1.2.1 Signal word panel
Depending on the probability of serious consequences, potential dangers are identified with a signal word,
the corresponding safety color, and if appropriate, the safety alert symbol.
DANGER
Indicates an imminently hazardous situation that, if not avoided, will result in death or serious
(irreversible) injury.
MK / MKT (E5) 03/2019 page 6/158
Warning signs
Electrical hazard
Hot surface
Explosive atmosphere
Stability hazard
or chemical burns
Biohazard
Mandatory action signs
instructions
Environment protection
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious
(irreversible) injury
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in moderate or minor
(reversible) injury
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in damage to the product
and/or its functions or of a property in its proximity.
1.2.2 Safety alert symbol
Use of the safety alert symbol indicates a risk of injury.
Observe all measures that are marked with the safety alert symbol in order to avoid death or
injury.
1.2.3 Pictograms
Lifting hazard
Pollution Hazard
Danger of frost
Harmful substances
Risk of corrosion and /
Mandatory regulation
MK / MKT (E5) 03/2019 page 7/158
Read operating
Wear protective gloves
Disconnect the power
plug
Wear safety goggles
Lift with mechanical
assistance
Prohibition signs
water
Pictograms (Warning signs)
Service label
Figure 1: Position of labels on the chamber
Do NOT touch
Do NOT spray with
Information to be observed in order to ensure optimum function of the product.
Do NOT climb
1.2.4 Word message panel structure
Type / cause of hazard.
Possible consequences.
∅ Instruction how to avoid the hazard: prohibition.
Instruction how to avoid the hazard: mandatory action.
Observe all other notes and information not nec essarily emphasized in the same way, in order to avoid
disruptions that could result in direct or indirect injury or property damage.
1.3 Localization / position of safety labels on the chamber
The following labels are located on the chamber:
Hot surface (on chamber door)
Cold surface (on chamber door)
Electrical hazard
(chamber with voltage and frequency changer: on the voltage
and frequency changer)
Keep safety labels complete and legible.
Replace safety labels that are no longer legible. Contact BINDER service for these replacements.
MK / MKT (E5) 03/2019 page 8/158
Indications of the type p late (example)
Information
BINDER
Manufacturer: BINDER GmbH
MKT 240
Model
Alternating climate chamber
Device name
Serial No.
00000000000000
Serial no. of the chamber
Built
2018
Year of construction
356 °F
IP protection
20
IP type of protection acc. to EN 60529
Temp. safety device
DIN 12880
Temperature safety device acc. to standard DIN 12880
Class
2.0
Class of temperature safety device
Art. No.
9020-0230
Art. no. of the chamber
Project No.
---
Optional: Special application acc. to project no.
6,50 kW
Nominal power
400 V / 50 Hz
Nominal voltage ± 10% at the indicated power frequency
3 N ~
Current type
11,3 A
Nominal current
Max operating pressure 29 bar
Max operating pressure in the refrigerating system
Stage 1: R 452A – 2,20 kg
Cooling 1st stage: Refrigerant type, filling weight
Stage 2: R 23 – 0,38 kg
Cooling 2nd stage: Refrigerant type, filling weight
Contains fluorinated greenhouse gases
covered by the Kyoto Protocol
Contains fluorinated greenhouse gases covered by the
Kyoto Protocol
Symbol on the type plate
Information
Nominal temp.
180 °C
6,50 kW / 11,3 A
Max. operating pressure 29 bar
356 °F
400 V / 50 Hz
Stage 1: R 452 A – 2,20 kg
IP protection
20
Stage 2: R 23 - 0,38 kg
Safety device
DIN 12880
3 N ~
Contains fluorinated greenhouse gases
Class
2.0 covered by the Kyoto Protocol
Art. No.
9020-0230
Project No.
Built
2018
Alternating climate chamber
BINDER GmbH
www.binder-world.com
MKT 240
Serial No. 00000000000000
1.4 Type plate
The type plate sticks to the left side of the chamber, bottom right-hand, above the refrigerating module.
Im Mittleren Ösch 5
78532 Tuttlingen / Germany
E5
Figure 2: Type plate (example of MKT 240 regular chamber)
Made in Germany
Nominal temperature
180 °C
Nominal temperature
CE conformity marking
Electrical and electronic equipment manufactured / placed on the
market in the EU after 13 August 2005 and to be disposed of in
separate collection according to Directive 2012/19/EU on waste
electrical and electronic equipment (WEEE).
MK / MKT (E5) 03/2019 page 9/158
Symbol on the type plate
Information
CAUTION
GS mark of conformity of the “Deutsche Gesetzliche Unfallversicherung e.V. (DGUV), Prüf- und Zertifizierungsstelle Nahrungsmittel
und Verpackung im DGUV Test“ (German Social Accident Insurance (DGUV), Testing and Certification Body for Foodstuffs and
Packaging Industry in DGUV Test). (Not valid for MKF056-240V)
The chamber is certified according to Customs Union Technical
Regulation (CU TR) for the Eurasian Economic Union (Russia, Belarus, Armenia, Kazakhstan Kyrgyzstan).
1.5 General safety instructions on installing and operating the chamber
With regar d to operating the chamber and to the installation location, please observe the DGUV guidelines
213-850 on safe working in laboratories ( f or merly BGI/GUV-I 850-0, BGR/GUV-R 120 or ZH 1/119, issued
by the employers’ liability insurance association) (for Germany).
BINDER GmbH is only responsible for the safety features of the chamber provided skilled electricians or
qualified personnel authorized by BINDER perform all maintenance and repair , and if components relating
to chamber safety are replaced in the event of failure with original spare parts.
To operate the chamber, use only original BINDER accessories or access ories from thir d-party suppliers
authorized by BINDER. The user is responsible for any risk caused by using unauthorized accessories.
Danger of overheating.
Damage to the chamber.
∅ Do NOT install the chamber in unventilated recesses.
Ensure sufficient ventilation for dispersal of the heat.
Do not operate the chamber in hazardous locations.
DANGER
Explosion hazard.
Danger of death.
∅ Do NOT operate the chamber in potentially explosive areas.
∅ KEEP explosive dust or air-solvent mixtures AWAY from the chamber.
The chamber does not dispose of any measures of explosion protection.
DANGER
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Explosion hazard.
Danger of death.
∅ Do NOT introduce any substance into the alternating climate chamber which is combus-
tible or explosive at working temperature.
∅ NO explosive dust or air-solvent mixture in the inner chamber.
Any solvent contained in the charging material must not be explosive or inflamm able. I.e., irrespective of
the solvent concentration in the steam room, NO explosive m ixture with air must form. The tem perature
inside the chamber mus t lie below the flash point or below the sublimation point of the charging m aterial.
Familiarize yourself with the physical and chemical properties of the charging m aterial, as well as the contained moisture constituent and its behavior with the addition of heat energy.
Familiarize yourself with any potential health risks caused by the charging material, the contained moisture
constituent or by reaction products that may arise during the temperature process. Take adequate
measures to exclude such risks prior to putting the chamber into operation.
DANGER
Electrical hazard.
Danger of death.
∅ The chamber must NOT become wet during operation or maintenance.
The chambers were produced in accordance with VDE regulations and were routinely tested in accordance to VDE 0411-1 (IEC 61010-1).
CAUTION
The inner chamber, the door window and the access ports will become hot during
operation.
Danger of burning.
∅ Do NOT touch the inner surfaces, the door window, the front panel around the inner
chamber, the access ports, or the charging material during operation.
WARNING
Stability hazard.
Danger of injury.
Damage to the chamber and the charging material.
Housing cover breakaway.
∅ Do NOT climb on the lower housing cover.
∅ Do NOT load the lower housing cover with heavy objects while the chamber door is
open.
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1.6 Intended use
Alternating climate chambers MK / MKT are suitable for temperature treatment of solid or pulverized
charging material, as well as bulk material, using the supply of heat or cold. T he chambers can be used
for drying processes, but they are particularly suitable for all tasks that occur in materials testing and aging
tests.
The chambers ar e suitable for harmless m aterials. A m ixture of any component of the charging m aterial
with air must NO T be explosive. The operating tem perature must lie below the flash point or below the
sublimation point of the char ging material. Any component of the charging m aterial must NOT be able to
release toxic gases.
Other applications are not approved.
Do NOT use the cham ber for drying purpose, especially if greater quantities of steam leading to condensation will be set free.
The chambers are not classified as medical devices as defined by the Medical Device Directive
93/42/EEC.
Due to the special demands of the Medical Device Directive (MDD), these ovens are not qualified for sterilization of medical devices as defined by the directive 93/42/EWG.
Following the instructions in this operating manual and conducting regular maintenance work
(chap. 21) are part of the intended use.
The chambers do not dispose of any measures of explosion protection.
DANGER
Explosion or implosio n h azard.
Danger of poisoning.
Danger of death.
∅ Do NOT introduce any substance com bustible or explosive at working tem perature into
the chamber, in particular no energy sources such as batteries or lithium-ion batteries
∅ NO explosive dust or air-solvent mixture in the inner chamber.
∅ Do NOT introduce any substance which could lead to release of toxic gases.
The charging material shall not contain any corrosive ingredients that may damage the machine components made of stainless steel, aluminum, and copper. Such ingredients include in
particular acids and halides. Any corrosive damage caused by such ingredients is excluded
from liability by BINDER GmbH.
In case of foreseeable use of the chamber there is no risk for the user through the integration of the
chamber into systems or by special environmental or operating conditions in the sense of EN 610101:2010. For this, the intended use of the chamber and all its connections must be observed.
MK / MKT (E5) 03/2019 page 12/158
1.7 Operating instructions
Depending on the application and location of the chamber, the operator of the alternating climate chamber
must provide the relevant information for safe operation of the chamber in a set of operating instructions.
Keep these operating instructions with the chamber at all times in a place where they are
clearly visible. They must be comprehensible and written in the language of the employees.
1.8 Measures to prevent accidents
The operator of the cham ber must observe the following rule: “Betreiben von Arbeitsmitteln. Betreiben von
Kälteanlagen, Wärm epumpen und Kühleinrichtungen“ (Operation of work equipment. Operation of refr igeration systems, heat pumps and refrigeration equipment) (GUV-R 500 chap. 2.35) (for Germany).
The manufacturer took the following measures to prevent ignition and explosions:
• Indications on the type plate
See operating manual chap. 1.4.
• Operating manual
An operating manual is available for each chamber.
• Overtemperature monitoring
The chamber is equipped with a temperature display, which can be read from outs.
The chamber is equipped with an additional saf et y controller (tem per ature s af ety device c lass 2 acc . to
DIN 12880:2007). Visual and audible (buzzer) signals indicate temperature exceeding.
• Safety, measurement, a n d control equipment
The safety, measuring, and control equipment is easily accessible.
• Electrostatic charge
The interior parts are grounded.
• Non-ionizing radiation
Non-ionizing radiation is not intentionally produced, but released only for technical reasons by electrical
equipment (e.g. electric m otors, power c ables, solenoids) . The m ac hine has no perm anent magnets . If
persons with active implants (e.g. pacem akers, defibrillators) keep a safe distance (distanc e of field
source to implant) of 30 cm, an influence of these implants can be excluded with high probability.
• Protection against touchable surfaces
Tested according to EN ISO 13732-1:2008.
• Floors
See operating manual chap. 3.4 for correct installation
• Cleaning
See operating manual chap. 21.2.
• Examinations
The chamber has been inspected by the “Deutsche Gesetzliche Unfallversicherung e.V. (DGUV)
(German Social Accident Insurance (DGUV)” (German Social Accident Insurance (DGUV), Testing
and Certification Body for Foodstuffs and Packaging Industry in DGUV Test) and bears the GS mark.
(Not valid for MK056-240V)
MK / MKT (E5) 03/2019 page 13/158
2. Chamber description
The alternating climate cham ber MK / MKT is a s pecially developed precision cooling/warming cabinet f or
the domain of industr ial mat erial testing and environm ent sim ulation, with an unrivalled capacity, which far
exceeds the capabilities of norm al test cabinets, providing the ideal facilities for solving all the problems
which occur during material as well as ageing and stress tests.
The chambers ar e equipped with a multifunctional microproces sor display controller for temperature with
a digital display accurate to one-tenth of a degree. W ith its com prehensive progr am contr ol functions, the
display program controller MB2 perm its the high precision perf ormance of temperatur e cycles with rapid
heating up and cooling down phases.
The patented APT.line™ preheating cham ber and air conduction technology guarantees excellent spatial
temperature values for the total working area. T he chamber is equipped with a powerful refrigerating system permitting rapid cooling-down speeds. In addition, it provides almost unlim ited poss ibilities f or adapt ation to individual customer requirements based upon extensive programming options.
The high-quality housing insulation guarantees both a low noise mode of operation and a consistently low
housing temperature. T he inner chamber, the pre-heating cham ber and the interior side of the doors are
all made of stainless steel V2A (Germ an material no. 1.4301, US equivalent AISI 304). When operating
the chamber at temper atures above 150 °C / 302°F, the impact of the oxygen in the air may cause discoloration of the metallic surfac es (yellowish-brown or blue) by natural oxidation processes. These colorations are harmless and will in no way impair the function or quality of the chamber. The hous ing is RAL
7035 powder-coated. All corners and edges are also completely coated.
The efficient program controller is equipped with a m ultitude of operat ing functions , in addition to recorder
and alarm functions. Pr ogramming of test cycles is easily accomplished via the modern touchscreen display controller MB2 and is also pos sible directly with a computer via Intranet in connection with the APTCOM™ 4 Multi Management Software (option, chap. 20.1) . The chamber comes regularly equipped with
an Ethernet serial interface for com puter communication. In addition, the BINDER APT-COM™ 4 Multi
Management Software (option) perm its networking up to 100 chambers and connecting them to a PC for
controlling and programming, as well as rec or ding and repres enting temperature data. For further options,
see chap. 24.6.
The chambers
brakes.
MK: You can operate the chamber in a temperature range from -40 °C / -40 °F up to +180 ºC / 356 °F.
MKT: You can operate the chamber in a temperature range from -70 °C / -94 °F up to +180 ºC / 356 °F.
are equipped with f our castors. Both front castors can be easily locked via the attached
MK / MKT (E5) 03/2019 page 14/158
(A)
2.1 Chamber overview
(B)
(C)
(D)
(E)
Figure 3: Alternating climate chamber (example: MK 56)
(A) Instrument panel
(B) Door handle
(C) Inspection window
(D) Chamber door
(E) Refrigerating machine, maintenance access flaps
2.2 Instrument panel
5,7" controller display with touchscreen
USB interface
Pilot lamp
Figure 4: Triangle instrument panel with program controller MB2 and USB interface
MK / MKT (E5) 03/2019 page 15/158
2.3 Lateral control panel
(1)
(4a)
(4b)
(5)
(7)
(9)
(3)
(5a)
(8)
(1)
(4a)
(4b)
(5)
(7)
(9)
(3)
(5a)
(8)
(11)
MK 56 MK 115 / 240 / 720
Figure 5: Lateral control panel at the right side of the refrigerating machine, with options
(1) Main power switch On/Off
(2) not used
(3) Switch for water cooling (option for MK 56, for
other chambers available via BINDER Individual
Customized Solutions)
(4) Temperature safety device class 2 for over and
under temperature (option):
Entry displays for upper (4a) and lower (4b)
temperature limit
(5) Ethernet interface for computer communication
(5a) RS485 interface for computer communi-
cation (option)
(6) not used
(7) 2 zero-voltage switching outputs via op-
eration lines (MKT, option with MK))
(8) 2 zero-voltage switching outputs via op-
eration lines (MKT, option with MK)
(9) Analog output for temperature (option)
(10) not used
Socket 230 V AC, max. 500 W (MK/MKT
(11)
115, 240, 720)
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2.4 Main power switch (MK 56)
This switch allows completely switching off the chamber (de-energized condition).
Off On
Figure 6: Main power switch (1) in the MK 56 lateral control panel
2.5 Rear power switch (MK / MKT 115, 240, 720)
This switch allows completely switching off the chamber (de-energized condition).
(1)
Figure 7: Rear view MK/MKT 115, 240, 720
(1) Main power switch On / Off
(12) Rear power switch
(12)
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2.6 Rear chamber view
(19)
(20)
(16)
(17)
Figure 8: MK 56 rear chamber view with options water cooling and compressed air connection
(12), (13), (14), (15) not used
(16) Connection “OUT” for cooling water outlet with screw thread ¾’’ for hos e ½“, with union nut (option
water cooling)
(17) Connection “IN” for cooling water inlet with screw thread ¾’’ for hos e ½“, with union nut (option
water cooling)
(18) not used
(19) IEC connector plug
(20) Compressed air connection ( option): Coupling connector to connect compressed air or the c om-
pressed air dryer (option)
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Connection “IN” for cooling water inlet with
(12)
(20)
(16)
(17)
(19)
Figure 9: MK/MKT 115, 240, 720 rear chamber view
with options water cooling and compressed air connection (example: MK 720)
(12) Rear power switch
(13), (14), (15) not used
(16) Connection “OUT” for cooling water outlet with
screw thread ¾’’ for hose ½“, with union nut
(water cooling option, available via BINDER
(18) not used
(19) Power connection
(20) Compressed air connection (option): Cou-
pling connector to connect compressed air
or the compressed air dryer (option)
Individual Customized Solutions)
(17)
screw thread ¾’’ for hose ½“, with union nut
(water cooling option, available via BINDER
Individual Customized Solutions)
MK / MKT (E5) 03/2019 page 19/158
Remove the upholstered transport piece (L-type profile)
3. Completeness of delivery, transportation, storage, and installation
3.1 Unpacking, and checking equipment and completeness of delivery
After unpacking, please check the chamber and its optional accessories, if any, based on the delivery
receipt f or completeness and for transportation dam age. Inform the carrier immediately if transportation
damage has occurred.
The final tests of the manufactur er may cause traces of the shelves on the inner surf aces. This has no
impact on the function and performance of the chamber.
Please remove any transportation protection devices and adhesives in/on the chamber and on the doors
and take out the operating manuals and accessory equipment.
from the lower door locking and keep it for possible later
transportation.
Figure 10:
Door locking with transport piece (state of delivery)
CAUTION
Sliding or tilting of the chamber.
Damage to the chamber.
Risk of injury by lifting heavy loads.
∅ Do NOT lift or transport the chamber using the door, the handle or the lower housing.
∅ Do NOT lift the chamber by hand.
Keep the chamber in upright position.
Lift chambers from the pallet using technical devices (fork lifter). Set the fork lifter only
from the rear in the middle of the chamber. Make sure to place all the lateral supports
of the chamber on the forks.
If you need to return the chamber, please use the original packing and obser ve the guidelines for safe
lifting and transportation (chap. 3.2).
For disposal of the transport packing, see chap. 22.1.
Note on second-hand chambers (Ex-Demo-Units):
Second-hand chambers are chambers that were used f or a short time for tests or exhibitions. T hey are
thoroughly tested before resale. BINDER ensures that the chamber is technically sound and will work
flawlessly.
Second-hand chambers are marked with a stick er on the chamber door. Please remove the sticker before
commissioning the chamber.
MK / MKT (E5) 03/2019 page 20/158
3.2 Guidelines for safe lifting and transportation
The front castors of the c hamber can be bloc k ed by brakes. Please move the chambers with castors only
when empty and on an even surface, otherwise the castors may be damaged. Mount the upholstered steel
L-type profile at the lower door locking. After operation please observe the guidelines for tem porarily decommissioning the chamber (chap. 22.2).
CAUTION
Sliding or tilting of the chamber.
Damage to the chamber.
Risk of injury by lifting heavy loads.
∅ Do NOT lift or transport the chamber using the door, the handle or at the lower hous-
ing.
∅ Do NOT lift the chamber by hand.
Transport the chamber only in its original packaging.
Secure the alternating climate chamber with transport straps for transport.
Keep the chamber in upright position.
Place the chamber using technical devices (fork lifter) on the transport pallet. Set the
fork lifter only from the rear in the middle of the chamber. Make sure to place all the
lateral supports of the chamber on the forks.
Transport the chamber with the original transport pallet. Set the fork lifter ONLY to the
pallet. Without the pallet the chamber is in imminent danger of overturning.
• Permissible ambient temperature range during transport: -10 °C / 14 °F to +60 °C / 140 °F.
You can order transport packing and pallets for moving or shipping purposes from BINDER service.
3.3 Storage
Intermediate storage of the chamber is possible in a closed and dry room. Observe the guidelines for
temporary decommissioning (chap. 22.2).
• Permissible ambient temperature range during storage: -10 °C / 14 °F to +60 °C / 140 °F.
• Permissible ambient humidity: max. 70 % r.h., non-condensing
When af ter storage in a cold location you transfer the chamber to its warm er installation site, condensation may form. Before star t-up, wait at least two hours until the chamber has attained ambient temperature
and is completely dry and the oil in the compressors has warmed up.
In case of a prolonged tempor al decommissioning: Leave the chamber door open or rem ove the access
port plugs.
3.4 Location of installation and ambient conditions
Set up the chamber on a flat, even and non-flammable surface, free from vibration, and in a wellventilated, dry location and align it using a spirit level. The site of installation must be capable of s upporting the chamber’s weight (see technical data, chap. 24.4). T he chambers are designed f or setting up inside a building (indoor use).
When af ter storage in a cold location you transfer the chamber to its warm er installation site, condensation may form. Before star t-up, wait at least two hours until the chamber has attained ambient temperature
and is completely dry and the oil in the compressors has warmed up.
MK / MKT (E5) 03/2019 page 21/158
CAUTION
Danger of overheating.
Damage to the chamber.
∅ Do NOT set up chambers in non-ventilated recesses.
Ensure sufficient ventilation for dispersal of the heat.
• Permiss ible ambient temperature r ange during operation: +18 °C / 64.4 °F to +32 °C / 89.6 °F. At ele-
vated ambient temperature values, fluctuations in temperature can occur.
The ambient temperature should not be substantially higher than the indicated ambient temperature of +25 °C / 77 °F to which the specified technical data relate. For other ambient conditions, deviations from the indicated data are possible.
• Permissible ambient humidity: 70 % r.h. max., non-condensing.
When operating the c hamber at temperatur e set-points below am bient tem perature, high am bient hum idi-
ty may lead to condensation on the chamber.
• Installation height: max. 2000 m / 6562 ft. above sea level.
Minimum distances:
• Distance between each cham ber when placing several chambers of the sam e size side by side: 250
mm / 9.84 in
• Lateral wall distance: 200 mm / 7.87 in
• Wall distance rear: 300 mm / 11.81 in
• Chambers with optional water cooling (without options compressed air dryer and / or voltage and fre-
quency changer): Wall distance rear 100 mm / 3.94 in.
• Chambers with optional compr essed air dr yer: Wall distance rear approx. 1 m / 3.28 ft so that it is pos-
sible to read the status display of the compressed air dryer on the chamber rear.
• Chambers with voltage and frequency changer: rear wall distance of the alternating clim ate chamber
approx. 1 m / 3.28 ft to set up the voltage and frequency changer
• To completely separate the chamber from the power supply, you must disconnect the power plug. In-
stall the chamber in a way that the power plug is easily accessible and can be easily pulled in case of
danger.
• Spacing above the chamber: 100 mm / 3.94 in
CAUTION
Danger by stacking.
Damage to the chambers.
∅ Do NOT place the chambers on top of each other.
With an increas ed amount of dust in the ambient air, clean the condens er fan several times a year. We
recommend c heck ing the fan gr id (behind the left m aintenance ac cess flap) every week. In case of visible
dirt accumulation, disconnect the chamber and clean the fan grid by suction.
Avoid any conductive dust in the ambiance according to the chamber layout complying with pollution degree 2 (IEC 61010-1).
MK / MKT (E5) 03/2019 page 22/158
Do not install or operate the alternating climate chamber in potentially explosive areas.
DANGER
Explosion hazard.
Danger of death.
∅ Do NOT operate the chamber in potentially explosive areas.
∅ KEEP explosive dust or air-solvent mixtures AWAY from the vicinity of the chamber.
4. Installation and connections
4.1 Connection of cooling water outlet for water cooling (option for MK 56)
An enclosure inside the chamber contains the connection kit for the cooling water inlet and outlet.
• Fasten the cooling hose to the connection “OUT” (16) on the rear of the chamber (screw thread ¾’’).
• You can use a part of the supplied tap water hose as a drainage hos e. In case another hose is us ed, it
has to be permanently resistant against max. 50 °C / 122 °F.
• Protect both ends of the dr ainage hose with two of the four supplied hose clamps. Before turning on
the chamber, check the connection for leaks.
4.2 Connection of cooling water inlet for water cooling (option for MK 56)
Connect the cooling water outlet before connecting the cooling water inlet.
Type of suitable water quality:
• Water intake temperature: max. 10 °C / 50 °F.
• pH value 4-7
• connection pressure: 4 to 10 bar
BINDER GmbH is NOT responsible for the water quality at the user’s site.
Any problems and malfunctions that might arise following use of water of deviating quality is
excluded from liability by BINDER GmbH.
The warranty becomes void in the event of use of water of deviating quality.
Connection:
An enclosure inside the chamber contains the connection kit for the cooling water inlet and outlet.
• Fasten the cooling water hose to the connection “IN” (17) on the rear of the chamber (sc rew thread
¾’’).
• Install the water s upply connection using either the enclosed water hose or another pressur e-resistant
one. To accomplish this, remove the cover of the freshwater connection “IN” (17) on the rear of the
chamber.
• The nom inal diameter of the supplied water hose is ½ ", the length is 3m . The hose can be halved for
the inlet and the outlet.
• The m axim um hose length with nom inal width ½ " is 5m. If a longer hose is necessary, a larger diame-
ter hose must be used.
MK / MKT (E5) 03/2019 page 23/158
• Protect both ends of the hose with two of the f our supplied hose clamps . Before turning on the cham-
ber, check the connection for leaks.
Water consumption:
The average water demand is not helpful f or the design of the water supply line, since the supply line must
provide sufficient dimensions for peak loads.
Peak values occur briefly (<5 min) when temperature rapidly decreases from + 180 ° C to a much lower
value. Also the activation of the condensation protection leads to high water consumption.
Max. water flow rate (peak value):
• MK 56: approx. 0,6 m³/h
4.3 Installation of the voltage and frequency changer
(chambers with voltage and freque ncy changer)
The voltage and frequency changer is supplied packed separately together with the chamber.
CAUTION
Sliding or tilting of the voltage and frequency chan g er.
Damage to the voltage and freq u ency changer.
Risk of injury by lifting heavy loads.
∅ Do NOT lift the voltage and frequency changer by hand.
Lift the voltage and frequency changer from the pallet using technical devices (fork
lifter). Set the fork lifter only from the rear in the middle of the chamber.
Alternatively, the voltage and frequency changer can also be lifted at the eyelets on the
top by means of a lifting crane or fork lifter
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(a)
(b)
(a)
(b)
(a) Eyelets for lifting with a lifting crane or fork lifter
(b) Positions for a fork lifter
Figure 11: Positioning of aids for lifting the voltage
and frequency changer
For the installation of the voltage and frequency changer behind the c hamber, provide a rear wall distance
of the chamber of approx. 1 m / 3.3 ft.
If possible, fix the voltage and frequency changer at the chamber . For this purpose, an Allen k ey size 4 is
required. Connect the slots at the end of the c has sis with two M6 screws to the thr eads provided below on
the rear panel of the chamber (see Figure 12).
CAUTION
Danger of overheating.
Damage to the voltage and freq u ency changer.
∅ Do NOT install the voltage and frequency changer in unventilated recesses.
Ensure sufficient ventilation for dispersal of the heat.
The voltage and frequency changer is equipped with f our castors. The rear castors can be easily locked
via the attached brakes
MK / MKT (E5) 03/2019 page 25/158
indicated power frequency
MK 115
MK 720
CEE plug 5-poles
32 Amp
25 Amp
3 x internal
4.4 Electrical connection
4.4.1 Information on connecting the alternating climate chamber
The chambers are supplied ready for connection.
MK 56: The chamber s come with an IEC connector plug and are equipped with 1 internal overload re-
lease against excess-current.
MK/MKT 115,240,720: The cham bers come with a fix ed power connection cable of at least 1800 mm /
70.87 in in length. They are equipped with three internal overload releases against excess-current.
Model Power plug
MK 56
(230V)
MK 56
(240V)
MKT 115
MK 240
MKT 240
MKT 720
• The dom estic socket must also pr ovide a protective conductor. Make sure that the connection of the
protective conductor of the dom estic installations to the cham ber ’s protective conductor m eets the latest technology. The protective conductors of the socket and plug must be compatible!
• Prior to connection and start -up, check the power supply voltage. Compare the values to the specif ied
data located on the chamber’s type plate (left chamber side, bottom right-hand, see chap. 1.4)
• W hen c onnecting, please obs erve the regulations spec ified by the local electricity supply company and
as well as the VDE directives (for Germany). We recommend the use of a residual current circuit
breaker.
IEC connector plug
(grounded plug)
IEC connector plug
(grounded plug)
CEE plug 5-poles
16 Amp
Nominal voltage +/- 10% at the
230 V at 50 Hz 1 N~
240 V at 60 Hz 2~
400 V at 50 Hz 3 N~
400 V at 50 Hz 3 N~
Current type Chamber fuse
16 Amp
internal
16 Amp
internal
16 Amp
3 x internal
• MK 56: Only use original connection cables from BINDER
• Pollution degree (acc. to IEC 61010-1): 2
• Over-voltage category (acc. to IEC 61010-1): II
See also electrical data (chap. 24.4 and 24.5).
MK / MKT (E5) 03/2019 page 26/158
CAUTION
Danger of incorrect po wer supply voltage.
Damage to the equipment.
Check the power supply voltage before connection and start-up.
Compare the power supply voltage with the data indicated on the type plate.
To completely separate the chamber from the power supply, you must disconnect the power
plug. Install the chamber in a way that the power plug is easily accessible and can be easily
pulled in case of danger.
Left side of the voltage and frequency changer
chamber
Right side of the voltage and frequency changer
(H)
(I)
(G)
4.4.2 Connecting the voltage and frequency changer (for chambers equipped with a
voltage and frequency changer)
The voltage and frequency changer is supplied with a fixed power connec tion cable without a plug. It is
protected against excess -current with 3 internal overload releases. The connection is made by the customer.
The socket must provide a protective conductor.
Electrical connection data:
• Input side: 480 V, 60 Hz, 4-wire
• Output side (to the chamber): 400 V, 50 Hz, 5-wire
To establish the electrical connection of the alternating climate chamber with the voltage and frequency
changer, proceed in the following order:
1. Connect the chamber to the connection socket (G) of the voltage and frequency changer
2. Establish the power connection of the voltage and frequency changer using the power cable (I)
3. Turn on the voltage and frequency changer at the power switch (H) (position “ON”)
4. Turn on the chamber with the main power switch (3) in the lateral control panel
with connection socket (G) for the alternating climate
MK / MKT (E5) 03/2019 page 27/158
with power switch (H) and power cable (I)
Figure 12: Voltage and frequency changer, mounted
Operating mode
Figure 13: Power switch (H) of the voltage and frequency changer in position “ON”
In position “OFF” the switch can be locked, e.g. with a padlock.
5. Functional overview of the MB2 chamber contr oller
The MB2 cham ber c ontr oller c ontrols the temperature (closed loop control), and the f an s peed (adjustable
only with MK 56) inside the chamber.
You can enter the desired set point values in fixed value operation m ode dir ectly on the display surface or
via the setpoint menu. For program oper ation the controller of fer s program ming week and time program s .
In addition there is a timer program available (stopwatch function).
The controller offers various notifications and alarm mes sages with visual and audible indication and remote alarms via e-mail, an event list (trace file) and the graphical display of the measuring values in the in
der chart recorder view. The MB2 progr am controller per m its programming tem perature c ycles and specifying the fan speed (with MK 56) and special controller f unctions f or each program sect ion. You can enter
values or programs directly at the controller or use the APT-CO M™ 4 Multi Management Software (option) specially developed by BINDER.
Temperature values
Fan speed value
Actual values
Set-point values
Functional icons
Figure 14: Normal display of the MB2 program controller (sample values with MK 56)
MK / MKT (E5) 03/2019 page 28/158
Current operating mode
Date, time, authorization level
5.1 Operating functions in normal display
Text list for information icons
of the logged-in user, memory
Quick setpoint entry
Continue to next screen
Back to Normal display
Information
Program start
Setpoint entry
Event list
Display of active alarms
Access to main menu
Figure 15: Operating functions of the MB2 controller in normal display (sample values with MKF 56)
MK / MKT (E5) 03/2019 page 29/158
5.2 Display views: Normal display, program display, chart-recorder display
Press the Change view icon to toggle between normal display, program display and chartrecorder display.
Press the Normal display icon to return from program display and chart recorder display back to
Normal display.
Normal display (actual values / setpoint values)
Program display (example: time program)
Chart recorder display
MK / MKT (E5) 03/2019 page 30/158
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