M&C CSS Series Manuale utente

Gas Conditioning Unit Series CSS®

CSS-M/W wall mount

Instruction Manual

Version 1.02.01

2 CSS-M/W | 1.02.01 www.mc-techgroup.com

Dear customer,

Thank you for buying our product. In this instruction manual you will find all necessary information

about this M&C product. The information in the instruction 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 manual.

For additional information about our products and our company, please go to M&C’s website

www.mc-techgroup.com. There you will find the data sheets and manuals of our products in German

and English.

This Operating Manual does not claim completeness and may be

subject to technical modifications.

document or its content is not allowed without permission from M&C.

CSS®is a registered trade mark.

Version: 1.02.01

www.mc-techgroup.com CSS-M/W | 1.02.01 3

Contents

1General information....................................................................................................................... 5

2Declaration of conformity ............................................................................................................. 5

3Safety instructions......................................................................................................................... 6

3.1Intended use ............................................................................................................................. 6

4Warranty ......................................................................................................................................... 7

5Used terms and signal indications............................................................................................... 7

6Introduction .................................................................................................................................... 9

7Application ..................................................................................................................................... 9

8Technical Data.............................................................................................................................. 10

9Description ................................................................................................................................... 11

10Receipt of marchendise and storage .....................................................................................12

11Installation instructions.......................................................................................................... 12

12Supply connections ................................................................................................................. 13

12.1Hose connections ................................................................................................................... 13

12.2Electrical connections ............................................................................................................. 14

13Starting...................................................................................................................................... 15

13.1Cooler regulation .................................................................................................................... 16

13.2New pump switch since 06/2007 ............................................................................................ 16

14Closing down............................................................................................................................ 18

15Maintenance..............................................................................................................................18

15.1Replacement of the filter element and the O-Ring.................................................................. 19

15.2Dismounting the sample gas pump for examination or maintenance ..................................... 20

15.3Maintenance of the integrated peristaltic pump type SR25.2 ................................................. 20

15.3.1Mounting instructions for peristaltic pump ....................................................................... 21

15.3.2Changing the pump tubing .............................................................................................. 22

15.3.3Changing contact pulleys and springs............................................................................. 23

15.3.4Reassembly of the driver................................................................................................. 25

15.3.5Cleaning the pump head ................................................................................................. 25

15.3.6Repair information for integrated peristaltic pump type SR25.2 ...................................... 25

16Operating of the built-in electronic temperature controller ................................................. 26

16.1Temperature controller version until march 2022 ................................................................... 26

16.1.1Changing the set value.................................................................................................... 26

16.2Temperature controller version starting april 2022 .................................................................26

16.2.1Changing the set value.................................................................................................... 27

17Trouble shooting ...................................................................................................................... 27

18Proper disposal of the device .................................................................................................28

19Spare part list ........................................................................................................................... 29

20Appendix ................................................................................................................................... 30

4 CSS-M/W | 1.02.01 www.mc-techgroup.com

List of Illustrations

Figure 1Scheme of gas flow ..............................................................................................................9

Figure 2Dimensions CSS-M/W........................................................................................................11

Figure 3Hose connections CSS-M/W..............................................................................................13

Figure 4Electronic board CSS-M.....................................................................................................17

Figure 5Replacement of the filter element and the O-ring...............................................................19

Figure 6SR25.2: Mounting distance between front panel and pump motor ....................................21

Figure 7Changing the pump tubing .................................................................................................22

Figure 8Different pump tube sizes...................................................................................................23

Figure 9Disassembly of pump head and driver ...............................................................................23

Figure 10Check of axes and rolls ..................................................................................................24

Figure 11Front view of the temperature controller version until 03.2022.......................................26

Figure 12Front view of the temperature controller version starting 04.2022..................................26

Figure 13Circuit diagram CSS-M/W................................................................................................31

www.mc-techgroup.com CSS-M/W | 1.02.01 5

Head Office

M&C TechGroup Germany GmbH Rehhecke 79 40885 Ratingen Germany

Telephone: 02102 / 935 - 0

Fax: 02102 / 935 - 111

E - mail: info@mc-techgroup.com

www.mc-techgroup.com

1 GENERAL INFORMATION

The product described in this manual has been built and tested in our production facility.

All M&C products are packed to be shipped safely. To ensure the safe operation and to maintain the

safe condition, all instructions and regulations stated in this manual need to be followed. This manual

includes all information regarding proper transportation, storage, installation, operation and

maintenance of this product by qualified personnel.

Please follow all instructions and warnings closely.

Please read this manual carefully before commissioning and operating the device. If you have any

questions regarding the product or the application, please don’t hesitate to contact M&C or your M&C

authorized distributor.

2 DECLARATION OF CONFORMITY

CE - Certification

The product described in this operating manual complies with the following EU directives:

EMC-Instruction

The requirements of the EU directive 2014/30/EU “Electromagnetic compatibility“ are met.

RoHS Directive

The requirements of the RoHS2 (‘Restriction of Hazardous Substances 2’) directive 2011/65/EU and

its annexes 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.

Declaration of conformity

The EU Declaration of conformity can be downloaded from the M&C homepage or directly requested

from M&C.

6 CSS-M/W | 1.02.01 www.mc-techgroup.com

3 SAFETY INSTRUCTIONS

Follow these safety directions and instructions regarding installation, commissioning and

operation of the device:

Read this manual before commissioning and operating the product. Make sure to follow all safety

instructions.

Installation and commissioning of electrical devices must be carried out only by qualified skilled

personnel in compliance with the current regulations.

The installation and commissioning of the device must conform to the requirements of VDE 0100

‘Regulations on the Installation of Power Circuits with Nominal Voltages below 1000 V’ and must be in

compliance with all relevant regulations and standards.

Make sure to compare the supply voltage with the specified voltage on the product label before

connecting the device.

Protection against damages caused by high voltages:

Disconnect the power supply before opening the device for access. Make sure that all extern power

supplies are disconnected.

Operate the device only in the permitted temperature and pressure ranges. For details please refer to

the technical data sheet or manual.

Install the device only in protected areas, sheltered from rain and moisture. The product should not be

exposure to the elements.

This device is NOT certified to be installed or operated in explosive hazardous areas.

Installation, maintenance, inspections and any repairs of the devices must be carried out only by

qualified skilled personnel in compliance with the current regulations.

3.1INTENDED USE

The CSS-MW gas conditioning unit is intended for use in general purpose areas (non-hazardous

environments). The CSS-M/W can only be operated in compliance with the information in chapter 8

Technical Data. 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.

www.mc-techgroup.com CSS-M/W | 1.02.01 7

4 WARRANTY

In case of a device failure, please contact immediately M&C or your M&C authorized distributor.

We have a warranty period of 12 months from the delivery date. The warranty covers only

appropriately used products and does not cover the consumable parts. Please find the complete

warranty conditions in our terms and conditions.

The warranty includes a free-of-charge repair in our production facility or the free replacement of the

device. If you return a device to M&C, please be sure that it is properly packaged and shipped with

protective packaging. The repaired or replaced device will be shipped free of delivery charges to the

point of use.

5 USED TERMS AND SIGNAL INDICATIONS

Danger

DANGER indicates a hazardous situation which, if not avoided, will

result in death or serious injury.

Warning

WARNING indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

Caution

CAUTION indicates a hazardous situation which, if not avoided,

could result in minor or moderate injury.

Attention ATTENTION is used to address practices not related to physical

injury.

Note

These are important information about the product or parts of the

operating manual which require user’s attention.

Qualified Personnel ‘Qualified personnel’ are experts who are familiar with the

installation, mounting, commissioning and operation of these

types of products.

High voltages!

Protect yourself and others against damages which might be

caused by high voltages.

Toxic!

Acute toxicity (oral, dermal, inhalation)! Toxic when in contact with

skin, swallowed or inhaled.

Corrosive!

These substances destroy living tissue and equipment upon

contact.

Do not breathe vapors; avoid contact with skin and eyes.

8 CSS-M/W | 1.02.01 www.mc-techgroup.com

Contains gas under pressure. Do not open container!

Check pressure before opening container, and adjust pressure to

atmospheric pressure.

Wear protective gloves!

Working with chemicals, sharp objects or extremely high

temperatures requires wearing protective gloves.

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 extremely high

temperatures requires wearing protective clothes.

www.mc-techgroup.com CSS-M/W | 1.02.01 9

6 INTRODUCTION

The gas conditioning unit CSS-M/W for wall mounting is a completely pre-assembled compact gas

conditioning system working continuously and delivering a sample gas quantity of max. 70 Nl/h.

The entire gas conditioning unit is housed in a compact and robust steel sheet case which ensures

that the gas analyzes can be carried out quickly, safely and with a minimum amount of maintenance.

The gas conditioning unit CSS-M/W for wall mounting must not be used for sampling of explosive

gas/air or gas/oxygen mixtures, for sampling of combustible gases which may result in an explosive

mixture in combination with air or oxygen nor in explosive atmospheres and hazardous areas.

7 APPLICATION

The gas conditioning unit CSS-M/W for wall mounting has been developed for continuous operation.

The components integrated in the system CSS-M/W are intended for „standard use“.









Figure 1 Scheme of gas flow

Gas cooler ECP

Front panel filter FPF-2-0,3GF, 0.3 µm porosity with integrated liquid alarm

Sample gas pump N3 KPE

Flowmeter FM40

Peristaltic pump SR25.2 for continuous automatic condensate removal

10 CSS-M/W | 1.02.01 www.mc-techgroup.com

8 TECHNICAL DATA

Gas Conditioning Unit Type CSS-M/W

Sample outlet dew point Range of adjustment: +2 to +15 °C [35.6 to 59 °F], factory

setting: +5 °C [41 °F]

Dew point stability At constant conditions < ± 0.1 °C [± 0.18 °F]

Sample inlet temperature **Max. 80 °C [176 °F]

Gas inlet water vapor saturation **Max. 50 °C [122 °F]

Gas flow rate **Max. 70 Nl/h

Ambient temperature **+10 to +45 °C [50 to 113 °F]

Air humidity 75 % year’s average, rare and slight dewing of 95 % on 30

days per year admissible

Storage temperature -25 to +65 °C [-13 to +149 °F]

Pressure 0.7 bar to 1.4 bar abs.*

Total cooling capacity Max. 40 kJ/h

Number of gas inlets 1

Number of gas outlets 1*

Number of condensate outlets 1

Sample gas connections Tube connection 4/6 mm

Material medium-touched parts Glass, PVDF, PVC, Novoprene, Viton®, PPH

Ready for operation Approx. 10 min

Mains power supply 230 V 50 Hz ± 10 % or 115 V 60 Hz ± 10 %

Power consumption Max. 240 VA

Fuse protection 4 A, time-lag, 5 x 20 mm

Electrical mains supply Mains cable 3 x 1 mm2, signal cable 3 x 0.5 mm2,

3 m [≈9.84 ft] length

Status alarm, 1 change over

contact, potential free

Contact rating 250 VAC, 2 A, summary alarm for gas flow, liquid

and cooler temperature

Case protection IP20 EN 60529

Housing version Sheet steel case, lacquered, RAL 7035

Case dimensions (H x W x D) 177 x 263 x 372.5 mm [≈6.97” x 10.4” x 14.7”]

Weight Approx. 11 kg [≈24.3 lbs]

PVDF=Polyvinylidenefluoride

PVC=Polyvinyl chloride

FPM=Fluor caoutchouc

PPH=Polypropylene hard

Specifications for components see appendix

* Standard

** Maximum values in technical data must be rated in consideration of total cooling capacity at 25 °C

[77 °F] ambient temperature and an outlet dew point of 5 °C [41 °F].

Please note: Nl/h and Nl/min refer to the German standard DIN 1343 and are based on these standard

conditions: 0 °C [32 °F], 1013 mbar.

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