M&C CSS Series User manual

Gas Conditioning Unit Series CSS®
CSS-VC1, CSS-VC2
19“, wall mount or portable in
carrying case with software
version 1.6
Instruction Manual
Version 1.01.03

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Dear Customer,
Thank you for buying our product. In this manual you will find all necessary information about this M&C
product. The information in the manual is fast and easy to find, so you can start using your M&C
product right after you have read the manual.
If you have any question regarding the product or the application, please don’t hesitate to contact M&C
or your M&C authorized distributor. You will find all the addresses in the appendix of this instruction
manual.
For additional information about our products, please go to M&C’s website www.mc-techgroup.com.
There you can find the data sheets and manuals of our products in German and English.
This manual does not purport to be complete and is subject to technical
changes.
© 05/2020 M&C TechGroup Germany GmbH. Reproduction of this
document or its content is not allowed without the express permission of
M&C.
CSS ® is a registered trademark.
Version: 1.01.0
3
The original instruction manual is in German.

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Contents
1General information...................................................................................................................5
2Declaration of conformity..........................................................................................................5
3Safety..........................................................................................................................................6
3.1 Intended Use..........................................................................................................................6
4Warranty .....................................................................................................................................6
5Used Terms and Signal Indications..........................................................................................7
6Introduction................................................................................................................................9
7Application ...............................................................................................................................10
8Technical specifications..........................................................................................................11
8.1 Technical specifications for the expansion modules .............................................................12
8.2 Options.................................................................................................................................13
9Description ...............................................................................................................................16
10 Goods receiving and storage..................................................................................................17
11 Installation instructions...........................................................................................................18
11.1 Conversion to wall mounted or 19" rack housing ..................................................................18
12 Supply connections .................................................................................................................19
12.1 Hose connections.................................................................................................................20
12.2 Lay the connectors on the rear panel....................................................................................21
12.3 Connection of the heated line with antikink adapter for portable version (Art. No. 01G9060
or 01G9061) .........................................................................................................................21
12.4 Electrical connections...........................................................................................................22
12.4.1 Group connection alarm (Part No. 01G6170) ..................................................................22
12.4.2 Connection of individual alarms, external pump control and external cooler
temperature display (Part No. 01G6175).........................................................................23
12.4.3 Connection of heated line for portable version (Part No. 01G6190).................................25
12.4.4 Connecting the optional expansion modules ...................................................................25
13 Commissioning........................................................................................................................25
13.1 Cooler controller ...................................................................................................................26
14 Decommissioning ....................................................................................................................27
15 The multifunctional control unit TCU .....................................................................................27
15.1 Basic functions of the TCU ...................................................................................................27
15.2 Properties of the TCU...........................................................................................................28
15.3 Enhancements to the TCU ...................................................................................................28
15.3.1 The communication module ............................................................................................28
15.3.2 The temperature control module .....................................................................................29
15.3.3 The status module...........................................................................................................30
15.3.4 The backflush module .....................................................................................................31
16 Operation of the multifunctional control unit TCU ................................................................32
16.1 Display of control temperatures or cooling temperature curve ..............................................33
16.2 Configure the switching on and off of the sample pumps......................................................34
16.3 Configure backflushing .........................................................................................................35
16.4 Display of events ..................................................................................................................36
16.5 Operating data......................................................................................................................37
16.6 Resetting service and operating time....................................................................................37
16.7 Setting service interval, language, control temperatures and temperature sensor types.......38
17 Alarms and faults.....................................................................................................................40
17.1 Meaning of the LEDs............................................................................................................40
17.2 Temperature alarms from cooler and temperature control module........................................41
17.3 Flow disturbance and liquid alarms.......................................................................................41
17.4 Other fault and alarm messages...........................................................................................42
18 Maintenance .............................................................................................................................42
18.1 Change the filter elements and O rings.................................................................................43

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18.2 Maintenance of the sample gas pump(s) ............................................................................. 43
18.2.1 Remove pump head Type N 3/5/9 KPE.......................................................................... 45
18.2.2 Replacing the diaphragm Type N 3/5/9 KPE ................................................................. 45
18.2.3 Valve plate change Type N 3/5/9 KPE ........................................................................... 45
18.2.4 Mount pump head type N 3/5/9 KPE .............................................................................. 46
18.2.5 CleaningType N 3/5/9 KPE ............................................................................................ 46
18.3 Maintenance of the built-in peristaltic pump type SR 25.2.................................................... 47
18.3.1 Mounting instructions for peristaltic pump....................................................................... 48
18.3.2 Exchange the pump hose............................................................................................... 48
18.3.3 Change of contact pulleys and springs........................................................................... 50
18.3.4 Cleaning the pump head ................................................................................................ 51
18.4 Cleaning of the cooling fins of the compressor cooler .......................................................... 52
19 Spare parts lists ...................................................................................................................... 53
20 Proper Disposal of the Device................................................................................................ 55
21 Appendix ................................................................................................................................. 55
List of figures
Figure 1 Example of a gas flow diagram CSS-VC1................................................................ 10
Figure 2 Dimensions and possible construction CSS-VC....................................................... 16
Figure 3 Connections in the connection panel of the CSS-VC.. ............................................. 19
Figure 4 Connection group alarm........................................................................................... 19
Figure 5 Connecting heated line DN4/6 with antikink adapter ................................................ 21
Figure 6 Plug assignment for the version with group alarm (Part No. 01G6170).................... 22
Figure 7 Upper and lower channel of CSS-VC2..................................................................... 23
Figure 8 Plug assignment for design with individual alarms (Part No. 01G6175) ................... 23
Figure 9 Connection examples for alarm outputs................................................................... 24
Figure 10 Heated line connection for portable version to 10 A ................................................. 25
Figure 11 Electrical connections communication module......................................................... 29
Figure 12 Electrical connections temperature control module.................................................. 30
Figure 13 Electrical connections status module ....................................................................... 30
Figure 14 Electrical connections backflush module.................................................................. 31
Figure 15 Front view of the TCU in normal operation without temperature control module....... 32
Figure 16 Front view of the TCU in normal operation with temperature control module ........... 32
Figure 17 Maintenance of sample gas pump(s) ....................................................................... 44
Figure 18 Sectional drawing N3/5 KPE and N9 KPE................................................................ 44
Figure 19 Components of the peristaltic pump SR25.2............................................................ 47
Figure 20 SR25.2: Mounting distance between front panel and pump motor ........................... 48
Figure 21 Replacing the pump hose ........................................................................................ 49
Figure 22 Disassembly of pump head and driver ..................................................................... 50
Figure 23 Check of axes and rolls............................................................................................ 50
Figure 24 TCU menu ............................................................................................................... 59

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Headquarters
M&C TechGroup Germany GmbHRehhecke 7940885 RatingenGermany
Tel: 02102 / 935 - 0
Fax: 02102 / 935 - 111
e-mail: [e-mail]
www.mc-techgroup.com
1 GENERAL INFORMATION
The product described in this manual has been supplied in a safe and tested condition. For safe
operation and to maintain this condition, the information and instructions in this manual must be followed.
In addition, the appropriate transportation, proper storage and installation as well as careful operation
and maintenance are necessary.
For the proper use of this product, all information required for technical personnel is contained in this
manual.
2 DECLARATION OF CONFORMITY
CE - Certification
The product described in this operating manual complies with the following EU directives:
EMV-Instruction
The requirements of the EU directive 2014/30/EU “Electromagnetic compatibility“ are met.
Low Voltage Directive
The requirement of the EU directive 2014/35/EU “Low Voltage Directive“ are met.
The compliance with this EU directive has been examined according to DIN EN 61010.
RoHS Directive
The requirements of the RoHS2 (‘Restriction of Hazardous Substances 2’) directive 2011/65/EU and its
annexes are met.
Declaration of conformity
The EU Declaration of conformity can be downloaded from the M&C homepage or directly requested
from M&C.

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3 SAFETY
Note the following safety precautions when installing, commissioning and operating the device:
Before operation and use of the equipment, read the operating manual. The instructions and warnings
listed in the operating manual must be followed.
Work on electrical equipment must only be performed by qualified personnel in accordance with the
regulations currently in force.
The requirements of VDE 0100 together with its associated standards and regulations must be complied
with for the creation of power installations with nominal voltages up to 1000 V.
When connecting the device, ensure the correct mains voltage in accordance with the specifications on
the rating plate.
Protection against contact with dangerously high electrical voltages:
Before opening the equipment, it must be switched off. This also applies to any connected external
control circuits.
Only use the device in approved temperature and pressure ranges.
Ensure installation is weather-protected. Do not directly expose to dust, rain or liquids.
The device must not be operated in hazardous areas;
Installation, maintenance, monitoring and any repairs must be performed by authorised personnel in
compliance with the relevant provisions.
3.1 INTENDED USE
The CSS-VC1 and CSS-VC2 are intended for use in general purpose areas (non-hazardous
environments).They may only be operated in compliance with the information starting on page 11 in
chapter 8 “Technical specifications”. You must meet the requirements of the ambient temperature and
pressure characteristics in particular.
Do not use this product for any other purpose. Improper use and handling can create hazards and cause
damage. For more information, please refer to the safety information in this instruction manual.
4 WARRANTY
If the device fails, please contact M&C directly, or your M&C authorised dealer.
Provided that the device is used correctly, we undertake to provide a 1 year warranty from the date of
delivery according to our terms of sale. Consumables are not covered by the warranty. The warranty
covers free repair at the factory or free replacement of the device sent free to the point of use. Returns
must be made in sufficient and proper protective packaging.

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5 USED TERMS AND SIGNAL INDICATIONS
Danger
means that death, serious personal injury and/or substantial property
damage will result if proper precautions are not taken.
Warning
indicates that death, serious personal injury and/or substantial
property damage might occur if proper precautions are not taken.
Caution
means that minor personal injury may result if proper precautions are
not taken.
Caution
without a warning triangle symbol, indicates that property damage
may result if proper measures are not taken.
Attention
indicates that an undesirable result or an undesirable situation may
occur if the corresponding instructions are not followed.
Notice
This is important information about the product or the appropriate part
of the manual to which particular attention should be paid.
Qualified personnel
These are persons with necessary qualification who are familiar with
installation, use and maintenance of the product.
High voltages!
Protect yourself and others against damages which might be caused
by high voltages.
Corrosive!
These substances destroy living tissue and equipment upon contact.
Do not breathe vapors; avoid contact with skin and eyes.
Wear protective gloves!
Working with chemicals, sharp
objects or extremely high
temperatures requires wearing protective gloves.

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Wear safety glasses!
Protect your eyes while working with chemicals or sharp
objects.
Wear safety glasses to avoid getting something in your eyes.
Wear protective clothes!
Working with chemicals, sharp objects or extreme
ly high
temperatures requires wearing protective clothes.

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6 INTRODUCTION
The gas conditioning CSS-VC unit, either for 19 "- or wall mounting or as a portable unit in carrying case,
is a fully pre-assembled compact continuously-operating gas purification system, which, depending on
the design, can supply a sample gas volume of max. 1 x 250 Nl/h (CSS VC1) or 2 x 150 Nl/h (CSS-
VC2). Sample gas conditioning units are suitable due to their equipment and additional options for the
wide-ranging requirements of continuous gas analysis.
The entire gas conditioning unit is housed in a compact, rugged steel housing so that gas analyses can
be performed rapidly without a great deal of effort, with low maintenance and reliability.
Gas conditioning unit CSS-VC must not be used to support gas/air or gas/oxygen mixtures that are
ignitable during operation, for the supply of combustible gases that can form an ignitable mixture in
combination with air or oxygen, or in potentially explosive atmospheres and in potentially explosive
locations.

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7 APPLICATION
With the CSS-VC, fully pre-installed gas conditioning systems are created for continuous use, which can
be integrated perfectly into analytical systems. The compact design makes few demands on space. The
gas conditioning systems are operational within minutes. This renders time-consuming and expensive
procurement of individual components and small parts and their assembly unnecessary. A portable
version is also available in a carrying case.
Figure 1 Example of a gas flow diagram CSS-VC1
Gas cooler series ECM-1
Option universal filter or front-installed filter FPF-0, 1GF, 0.1 μm, with optional liquid alarm LA or
front-installed filter FPF-2-0, 3GF, 0.3 μm, with integrated humidity alarm
Option 3 or 5-way ball valve 3L/PV or 5L/PV
Option sample gas pump N3/5/9KPE
Option peristaltic pump SR25.2
Option flow meter FM40 with flow alarm
Option flow meter FM40
Option liquid particulate filter CLF-5/W or CLF-T (SS)
In version CSS-VC2there are 2 parallel gas lines in one gas conditioning unit.