Retsch Mixer Mill MM 500 control User manual

© Retsch GmbH, 42781 Haan, Retsch-Allee 1-5, Germany | 31.08.2021 Version 0001
Manual
Mixer Mill MM 500 control
Translation

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Copyright
© Copyright by
Retsch GmbH
Retsch-Allee 1-5
42781 Haan
Germany

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Table of Contents
1Notes on the manual............................................................................................................................. 7
1.1 Disclaimer.......................................................................................................................................... 7
1.2 Copyright............................................................................................................................................ 7
1.3 Explanation of signs and symbols ..................................................................................................... 7
1.4 Explanations of the Safety Instructions ............................................................................................. 8
2Safety...................................................................................................................................................... 9
2.1 Intended use of the device................................................................................................................. 9
2.2 Improper use...................................................................................................................................... 9
2.3 Obligations of the operating company............................................................................................. 10
2.3.1 Provisions .................................................................................................................................... 10
2.3.2 Personnel..................................................................................................................................... 10
2.3.3 Workstation and device ............................................................................................................... 10
2.3.4Qualification of personnel ............................................................................................................ 10
2.3.5 Personal protective equipment (PPE) ......................................................................................... 11
2.4 Protective Equipment....................................................................................................................... 11
2.5 Repairs............................................................................................................................................. 11
2.6 Preventing risks during normal operation........................................................................................ 12
2.7 Preventing damage to equipment.................................................................................................... 13
2.8 Confirmation Form for the Managing Operator................................................................................ 13
3The Mixer Mill MM 500 control ........................................................................................................... 15
3.1 Technical data ................................................................................................................................. 17
3.2 Emissions......................................................................................................................................... 19
3.3 Views of the device.......................................................................................................................... 21
3.3.1 Front............................................................................................................................................. 21
3.3.2 View of the grinding jar support................................................................................................... 22
3.3.3 View of the thermal plate with sensor.......................................................................................... 23
3.3.4 Back............................................................................................................................................. 24
3.3.5 Changing the connections for the cooling system....................................................................... 24
3.4 Connection of MM 500 control to external cooling systems............................................................ 25
3.4.1 Operating the MM 500 control with the cryoPad ......................................................................... 26
3.4.2 System overview MM 500 control and cryoPad .......................................................................... 27
3.4.3 Operating the MM 500 control. on a chiller (e.g. the Lauda Microcool MC 1200)....................... 28
3.4.4 System overview MM 500 control and Lauda Microcool MC 1200 ............................................. 30
3.4.5 Operating the MM 500 control with a cryostat............................................................................. 31
3.4.6 System overview MM 500 control and cryostat........................................................................... 33
3.5 Signs on the device ......................................................................................................................... 34
3.6 Type Plate Description..................................................................................................................... 36
4Packaging, Transport and Installation .............................................................................................. 37
4.1 Accessories included with delivery.................................................................................................. 37
4.2 Packaging........................................................................................................................................ 37
4.3 Transport.......................................................................................................................................... 37
4.4 Temperature Fluctuations and Condensation ................................................................................. 38
4.5 Conditions for the Installation Site................................................................................................... 38
4.6 Remove packaging.......................................................................................................................... 41
4.7 Removing the Transportation Lock.................................................................................................. 42
4.8 Removing the Transportation Aid.................................................................................................... 46
4.9 Inserting the transport aid................................................................................................................ 48
5First Commissioning........................................................................................................................... 49
5.1 Electrical Connection....................................................................................................................... 49
5.2 Connecting the device to the power supply..................................................................................... 50
6Operating the Device .......................................................................................................................... 52
6.1 Switching the device on/off.............................................................................................................. 53
6.2Opening and Closing of the Device................................................................................................. 54

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6.3 Specifications regarding grinding balls and grinding jars ................................................................ 55
6.4 View of grinding jars ........................................................................................................................ 56
6.5 Opening aid...................................................................................................................................... 57
6.5.1 Grinding Jar Identification............................................................................................................ 58
6.5.2 Ball Sizes and Speeds................................................................................................................. 58
6.5.3 Recommended maximum ball sizes............................................................................................ 58
6.5.4 Recommended Grinding Jar Filling ............................................................................................. 58
6.6 Safety instructions on the handling of liquid nitrogen...................................................................... 59
6.7 Oxygen deficiency ........................................................................................................................... 59
6.7.1 Dangers ....................................................................................................................................... 59
6.7.2 Causes......................................................................................................................................... 59
6.7.3 Recommendations....................................................................................................................... 60
6.7.4 General conduct in the case of an accident ................................................................................ 60
6.8 Cryogenic burns............................................................................................................................... 60
6.8.1 Dangers ....................................................................................................................................... 60
6.8.2 Causes......................................................................................................................................... 61
6.8.2.1 Burns through splashes....................................................................................................... 61
6.8.2.2 Burns through contact.......................................................................................................... 61
6.8.3 Recommendations....................................................................................................................... 61
6.8.4 General rules of conduct for splashes with liquid nitrogen.......................................................... 61
6.8.4.1 To the eyes.......................................................................................................................... 61
6.8.4.2 On the skin........................................................................................................................... 61
6.9 Special grinding methods ................................................................................................................ 61
6.9.1 Cryogenic grinding with the cryoPad........................................................................................... 61
6.9.2 Cryogenic grinding with the optional cryokit ................................................................................ 62
6.10 Wet grinding..................................................................................................................................... 63
6.10.1 Wet Grinding with Highly Flammable Materials....................................................................... 63
6.11 Preparing the grinding jar ................................................................................................................ 63
6.12 Changing the grinding jar seal for cryogenic grinding ..................................................................... 64
6.12.1 Opening the grinding jar .......................................................................................................... 65
6.12.2 Filling the grinding jar............................................................................................................... 67
6.12.3 Closing the grinding jar............................................................................................................ 68
6.13 Inserting the Grinding Jar ................................................................................................................ 69
6.13.1 Opening the grinding jar support ............................................................................................. 70
6.13.2 Inserting the grinding jar .......................................................................................................... 71
6.13.3 Closing the grinding jar support............................................................................................... 74
6.14 Grinding process.............................................................................................................................. 75
6.14.1 Starting the grinding process................................................................................................... 76
6.15 Removing the sample material........................................................................................................ 77
7Device control...................................................................................................................................... 81
7.1 Device control with cryoPad ............................................................................................................ 81
7.2Device control without cryoPad ....................................................................................................... 81
7.3 Menu interface on the touchscreen ................................................................................................. 82
7.4 Function elements ........................................................................................................................... 83
7.5 Menu navigation .............................................................................................................................. 87
7.6 Main menu....................................................................................................................................... 88
7.7 Controlling the grinding process...................................................................................................... 89
7.8 Starting the grinding process........................................................................................................... 90
7.9 Pausing the grinding process .......................................................................................................... 90
7.10 Stopping the grinding process......................................................................................................... 90
7.11 Program mode................................................................................................................................. 90
7.11.1 Select a Program..................................................................................................................... 92
7.11.2 Edit a Program......................................................................................................................... 95
7.11.3 Save a Programme.................................................................................................................. 96

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7.11.4 Delete a Programme................................................................................................................ 96
7.12 Cycle mode...................................................................................................................................... 96
7.12.1 Selecting the cycle................................................................................................................... 98
7.12.2 Editing the cycle....................................................................................................................... 99
7.12.3 Saving the cycle..................................................................................................................... 101
7.12.4 Deleting the cycle .................................................................................................................. 101
7.13 System settings ............................................................................................................................. 101
7.13.1 myRetsch............................................................................................................................... 104
7.13.2 Remote .................................................................................................................................. 105
7.13.3 Signalling device.................................................................................................................... 106
7.13.4 Temperature drift ................................................................................................................... 106
7.13.5 Brightness.............................................................................................................................. 107
7.13.6 Date and time......................................................................................................................... 108
7.13.7 Software Version ................................................................................................................... 108
7.13.8 Operating Hours..................................................................................................................... 108
7.13.9 Serial number......................................................................................................................... 108
7.13.10 Software Update.................................................................................................................... 108
7.13.11 Service Environment.............................................................................................................. 108
8Error Messages and Information Notes.......................................................................................... 110
8.1 Error Messages ............................................................................................................................. 110
8.2 Information Notes .......................................................................................................................... 115
9Servicing ............................................................................................................................................ 118
9.1 Cleaning......................................................................................................................................... 118
9.1.1 Cleaning the outside of the device ............................................................................................ 119
9.1.2 Cleaning the collecting tray........................................................................................................ 119
9.1.3 Cleaning the inside .................................................................................................................... 119
9.1.4 Cleaning the grinding jar............................................................................................................ 119
9.1.5 Cleaning the grinding balls ........................................................................................................ 119
9.2 Maintenance .................................................................................................................................. 119
10 Wear.................................................................................................................................................... 120
10.1 Returning for repair and maintenance........................................................................................... 120
11 Accessories ....................................................................................................................................... 121
12 Disposal.............................................................................................................................................. 122
13 Index ................................................................................................................................................... 124

Notes on the manual
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Notes on the manual
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1 Notes on the manual
This manual provides technical guidelines for the safe operation of the device. Read this
manual through carefully before installing, putting into service and operating the device.
Reading and understanding this manual is essential for handling the device safely and as
intended.
This manual does not contain any repair instructions. Please contact your supplier or contact
Retsch GmbH directly if anything is unclear or you have questions about these guidelines or the
device, or in the case of any faults or necessary repairs.
You can find further information about your device at https://www.retsch.com on the pages for
the specific device concerned.
Amendment status:
The document amendment 0001 of the "Mixer Mill MM 500 control" manual has been prepared
in accordance with the Machinery Directive 2006/42/EC.
1.1 Disclaimer
This manual has been prepared with great care. We reserve the right to make technical
changes. We assume no liability for personal injuries resulting from the failure to follow the
safety information and warnings in this manual. No liability will be assumed for damage to
property resulting from the failure to follow the information in this manual.
1.2 Copyright
This document or parts of it or its content may not be reproduced, distributed, edited or copied
in any form without prior written permission of Retsch GmbH. Damage claims shall be asserted
in the case of infringements.
1.3 Explanation of signs and symbols
The following signs and symbols are used in this manual:
Signs and symbols
Meaning

Indicates a recommendation and/or important information.
Bold type
Indicates an important term.
•< Point 1>
•< Point 2>
•< Point 3>
List of equivalent points.

Steps for following an instruction.

Notes on the manual
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1.4 Explanations of the Safety Instructions
DANGER
D1.0000
Risk of fatal injuries
Source of danger
−Possible consequences if the danger is ignored.
•Instructions and information on how to avoid the risk.
Fatal or serious injuries may result if the “Danger” sign is disregarded. There is a very high
risk of a life-threatening accident or lasting personal injury. The signal word DANGER is
additionally used in the running text or in instructions.
WARNING
W1.0000
Risk of life-threatening or serious injuries
Source of danger
−Possible consequences if the danger is ignored.
•Instructions and information on how to avoid the risk.
Life-threatening or serious injuries may result if the “Warning” sign is disregarded. There is
an increased risk of a serious accident or of a possibly fatal personal injury. The signal word
WARNING is additionally used in the running text or in instructions.
CAUTION
C1.0000
Risk of injuries
Source of danger
−Possible consequences if the danger is ignored.
•Instructions and information on how to avoid the risk.
Average to slight injuries may result if the “Caution” sign is disregarded. There is an average
or slight risk of an accident or personal injury. The signal word CAUTION is additionally
used in the running text or in instructions.
NOTICE
N1.0000
Type of damage to property
Source of the damage to property
−Possible consequences if the information is ignored.
•Instructions and information on how to avoid the damage to
property.
Damage to property may result if the information is disregarded. The signal word NOTICE is
additionally used in the running text or in instructions.

Safety
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2 Safety
CAUTION
C2.0002
Risk of injury
Lack of knowledge of the manual
−The manual contains all safety-related information. Disregarding the
manual can therefore lead to injuries.
•Read the manual carefully before operating the device.
Target group:
The MM 500 control has been designed for preparing samples in a laboratory environment.
laboratory environment. This manual is therefore directed at persons who work with this device
in a comparable environment and who already have experience with similar equipment.
The MM 500 control is a modern, efficient, state-of-the-art product from Retsch GmbH. Its
reliability is ensured when used as intended and with knowledge of this technical
documentation.
2.1 Intended use of the device
The MM 500 control is designed for the crushing, grinding, mixing and homogenisation of wet
and dry soft, medium-hard, fibrous and brittle materials with a particle size of up to 10 mm.
As a laboratory machine, the MM 500 control may only be used to prepare samples and not as
a production machine.
The device has been designed for stationary use in a dry and clean working environment.
The user and operating personnel must have read the manual and be familiarised with the
complete functional scope of the device.
2.2 Improper use
The MM 500 control may only be used as intended.
Any uses other than the described intended use are regarded as improper use.
The MM 500 control is not suitable for processing sample materials that can form explosive air
mixtures.
Any form of claims for damage to equipment or personal injury resulting from improper use
and/or the failure to comply with the safety instructions shall be ruled out.

Safety
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2.3 Obligations of the operating company
2.3.1 Provisions
The user bears responsibility for ensuring that people working with the device and the
corresponding equipment have taken note of and understood all relevant safety regulations.
2.3.2 Personnel
•Ensure that only trained personnel are deployed whose training and experience enable
them to recognise risks and avoid potential hazards.
•Staff should be given regular training on using the device, and in particular regarding
sudden events.
•Only allow trainee staff to work on the device when they are being supervised by
qualified personnel.
•Check the safety awareness of staff regularly.
•Define staff responsibilities according to qualification and job description.
•Provide staff with personal protective equipment (PPE).
•Ensure that the following conditions have been met:
–Staff have read and understood this Manual, and in particular the chapter on
Safety.
–Staff are aware and take note of the relevant accident prevention and safety
regulations.
–Staff wear the designated personal protective equipment (PPE) when working with
the device.
2.3.3 Workstation and device
•Ensure that there is sufficient lighting and ventilation at the workstation.
•Ensure that the exhaust air is properly conducted outside.
•All signs on the device must be kept in a legible condition.
•Ensure that all inspections and servicing work prescribed in this Manual are carried out.
2.3.4 Qualification of personnel
Work/operating phase
Qualification
Transport
Installation
Commissioning
Operation
Controlling
Servicing
Disposal
Qualified employee who has been trained in
the safe use of the device.
Work on the electrical equipment on the
device
Electrician who, on the basis of his/her
training, knowledge and experience is able