M&C EC Series User manual

Electric Gas Cooler Series EC®
ECM-ExII
EX II 3G ec ….
Class I, Div. 2, Groups A/B/C/D, T4
Instruction Manual
Doc: M_ECM-EX_EN_
Version 1.02.00

2 ECM-ExII | 1.02.00 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 all our products in German and
English.
This Operating Manual does not claim completeness and may be subject
to technical modifications.
©
M&C TechGroup Germany GmbH
. Reproduction of this document or
its content is not allowed without permission from
M&C.
ECM
®is a registered trade mark.
Version: 1.02.00
Intern: 1.02.0
0

www.mc-techgroup.com ECM-ExII | 1.02.00 3
Content
1General information............................................................................................................4
2Declaration of conformity...................................................................................................4
3Safety instructions .............................................................................................................5
4Warranty .............................................................................................................................6
5Warning signs and definitions............................................................................................6
6Information and safety instructions for using the cooler in hazardous areas...................8
7Information and safety instructions for using the cooler...................................................9
8Introduction ......................................................................................................................10
8.1 Serial number...................................................................................................................10
8.2 Power supply ...................................................................................................................10
8.3 Patent references .............................................................................................................10
9Technical Data ..................................................................................................................11
9.1 For basic cooler ECM-ExII without heat exchanger ............................................................11
9.2 Options for basic cooler ECM-ExII.....................................................................................12
10 Application........................................................................................................................13
11 Description .......................................................................................................................14
12 Function............................................................................................................................ 15
13 Receiving and storing of the device.................................................................................16
14 Installation instructions....................................................................................................16
15 Mounting...........................................................................................................................17
15.1 Tubing connections ..........................................................................................................17
16 Electrical connections......................................................................................................19
17 Start-up.............................................................................................................................20
18 Closing down....................................................................................................................21
19 Maintenance .....................................................................................................................21
19.1 Adding and replacing the heat exchangers ........................................................................22
19.2 Cleaning the fins of the condenser ....................................................................................23
19.3 Maintenance of the optional mounted peristaltic pump(s), type SR25.2...............................23
19.3.1 Mounting instructions for SR25.2 peristaltic pump (optional)........................................23
19.3.2 Replacing the pump tubing.........................................................................................24
19.3.3 Replacing contact pulleys and springs ........................................................................26
19.3.4 Cleaning the pump head............................................................................................26
20 Operating of the built-in electronic temperature controller .............................................27
20.1 Changing the set value.....................................................................................................27
20.2 Changing the temperature alarm window...........................................................................27
21 Trouble shooting ..............................................................................................................28
22 Spare parts list .................................................................................................................29
23 Appendix...........................................................................................................................30
List of illustrations
Figure 1 Application example of the ECM-ExII............................................................................13
Figure 2 ECM-2G ExII ...............................................................................................................14
Figure 3 Diagram of the heat exchanger function........................................................................15
Figure 4 Position of the gas and condensate connections ...........................................................17
Figure 5 Electrical connections, alarm contacts ..........................................................................19
Figure 6 SR25.2: Mounting distance between front panel and pump motor..................................24
Figure 7 Replacing the pump tubing...........................................................................................25
Figure 8 Front view of the temperature controller........................................................................27
Figure 9 Sample gas output dew point as a function of gas flow at 60 °C inlet dew point.............. 30
Figure 10 Circuit diagram ECM-ExII (Drawing-No.: 2456-5.01) .....................................................31

4 ECM-ExII | 1.02.00 www.mc-techgroup.com
Head Office
M&C TechGroup Germany GmbH Rehhecke 79 40885 Ratingen Germany
Telephone: 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 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:
ATEX-Directive
The product described in this manual is produced in accordance with the EU directive for devices and
protection systems for appropriate use in hazardous areas 2014/34/EU.
RoHS Directive
The requirements of the RoHS2 (‘Restriction of Hazardous Substances 2’) directive 2011/65/EU and its
annexes are met.
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.
Declaration of conformity
The EU Declaration of conformity can be found in the annex of this manual. It can also be downloaded
from the M&C homepage or directly requested from M&C.

www.mc-techgroup.com ECM-ExII | 1.02.00 5
3 Safety instructions
Please follow these safety directions and instructions regarding installation, commissioning
and operation of the equipment:
•Read this manual before commissioning and operating the product. Please make sure to follow
all safety instructions.
•Attention must be paid to the requirements of the Type Examination Certificate (see appendix):
16 ATEX E 055 X.
•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
(IEC 364) ‘Regulations on the Installation of Power Circuits with Nominal Voltages below 1000
V’ and must be in compliance with all relevant regulations and standards.
•For use in hazardous area, observe the relevant national and international directives and
regulations.
•Before connecting the device, make sure to compare the supply voltage with the specified
voltage on the product label.
•Protection against damages caused by contact with parts carrying 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.
•The device needs to be mounted inside a housing or cabinet with protection class IP54 or higher,
complying with the IEC 60079-0 standard.
•Installation, maintenance, inspections and any repairs of the devices must be carried out only
by qualified and skilled personnel in compliance with the current regulations.