M&C EC Series Instruction Manual Download Page 1

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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

Summary of Contents for EC Series

Page 1: ...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 ...

Page 2: ...n 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 te...

Page 3: ...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...

Page 4: ...ng 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 a...

Page 5: ... 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 supp...

Page 6: ...cant material damage will be the consequence if the appropriate precautions should not be taken Warning The Warning warning sign indicates that death serious injury or damage to property may occur if the relevant precautionary measures are not observed Caution The Caution warning sign indicates that slight personal injury can occur if the appropriate safety precautions are not observed Caution Cau...

Page 7: ...ue 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 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 chemical...

Page 8: ...he operation in the hazardous area can be guaranteed Any modification of the standard configuration of the device with parts which are not approved by M C and not explicitly specified for usage in explosive atmospheres will void the Type Examination Certificate This also refers to any repair work and service using parts which are not M C approved and not specified for usage in explosive atmosphere...

Page 9: ...ational safety regulations during operation Warning Disconnect power supply before opening the device for access Make sure that all external power supplies are disconnected Do not carry out any work at the sensor while potentially explosive atmosphere is present The process and the environment of the device needs to be explosion free explosion free zone during any maintenance or repair work A zone...

Page 10: ...ype Examination Certificate Only operate the ECM ExII according the specifications stated in this instruction manual and in the extended manufacturer documents 8 1 Serial number The type plate with the serial number is located at the right hand side panel of the cooler housing wall mounting version Please refer to this serial number if you have any questions about your ECM ExII or if you need to o...

Page 11: ...wer consumption Max 200 VA start up current at 230 V 2 5 A at 120 V 4 5 A Main power connection 230 V 115 V 50 Hz 60 Hz a 15 10 Electrical connections Terminals 6 12 mm cable gland 2 x M20 x 1 5 Status alarm 1 free configurable status alarm with 2 potential free change over contacts alarm point 2 C 35 6 F and 8 C 46 4 F factory setting contact rating 250 VAC 2 A 500 VA 50 W Explosion proof protect...

Page 12: ...ensate connection GL 25 for Ø12 mm tube Ø 8 mm or Ø 10 mm G3 8 i G3 8 i o 3 8 NPT GL 25 for Ø 12 mm tube Ø8 mm or Ø10 mm G3 8 i G 3 8 i o 3 8 NPT P at max flow 1 mbar 1 mbar 1 mbar 1 mbar 1 mbar 1 mbar Stagnant space approx 100 ml 100 ml 100 ml 40 ml 25 ml 30 ml Peristaltic pump SR25 2 1 pc incorporated in the cooler compl installed part no 01P9125 Novopren tubing pumping capacity 0 3 l h 5 rpm co...

Page 13: ...nstalling a super fine filter with a liquid alarm sensor If required an aerosol filter can be installed in line in front of the flow meter The conditioned gas can now enter the analyser Do not use the gas cooler to extract gases or gas compositions which could be potentially explosive without the presence of air Do not use gases or gas compositions which can alter the relevant safety related mater...

Page 14: ...e top of the cooler housing are cut outs for 1 or 2 heat exchangers The sample gas inlet and out let are located at the upper part of the heat exchanger For information about tubing connections of the heat exchangers please see chapter 8 technical data The main power connector and the output contact of the status alarm can be connected at terminals X1 respectively X3 located behind the removable f...

Page 15: ... block where they are easy to access and to remove Figure 3 shows a diagram of the heat exchanger function The compressor cooler system keeps the heat insulated cooling block at a constant temperature of 5 C 41 F The controlled forced air cooled compressor cooling system and the special design of the Jet stream heat exchanger ensure excellent condensate pre separation and sample gas drying 5 C 41 ...

Page 16: ... which is frost free in winter and adequately vented in summer Avoid direct sun light The operating position for this cooler is vertical only This is the only way to ensure proper separation and removal of condensate in the heat exchangers During transport and installation the cooler needs to be in an upright position with the equipment feet facing downwards to ensure that the oil in the closed co...

Page 17: ...ny type of leakage The sample gas inlet and out let are located at the upper part of the heat exchanger For information about tubing connections of the heat exchangers please see chapter 8 technical data Figure 4 Position of the gas and condensate connections Suitable tube and hose connectors are optional and available at M C see data sheet 11 5 Note Do not mix up the hose connections the gas inle...

Page 18: ...The heat exchangers with NPT threaded connectors are marked with a notch around the connecting pieces The NPT thread must be screwed in with sealant or glued in with adhesive In the standard configuration the tubes for condensate removal are connected directly to the heat exchangers These protrude with the GL 25 12 tube connectors standard Borosilicate glass heat exchanger respectively with G 3 8 ...

Page 19: ...be in compliance with all relevant regulations and standards The cooler has a replaceable fuse Because of this replaceable fuse the installation site of the cooler needs to be equipped with a suitable external switch to switch off the main power supply Warning Cooler versions with 115V resp 120 V have a built in transformer to generate an internal current of 230 V This means that the internal live...

Page 20: ...ocess and the environment of the cooler is declared as an explosion free zone A zone is declared as explosion free zone if it is free of explosive atmosphere Warning Connect the cooler to earth electrical bonding terminal The bleeder resistor needs to have an overall value of 106 Ω Note Before starting up the gas cooler it must be placed in its operating position for at least two hours The liquid ...

Page 21: ...ening the device for access Make sure that all external power supplies are disconnected This also applies to any external alarm or control circuits which may be connected Only carry out any work at the gas cooler when the process and the environment is declared as an explosion free zone A zone is declared as explosion free zone if it is free of explosive atmosphere Only carry out any work at the t...

Page 22: ... Apply a thin and equal layer of thermal conductivity paste over the whole surface of the heat exchangers part no 90K0115 to ensure good conduction of heat It is best to close the condensate removal connections of the heat exchanger with adhesive tape to prevent any thermal conductivity paste getting into the heat exchanger Lightly push and slightly rotate the heat exchanger back into the opening ...

Page 23: ...ltic pump s type SR25 2 Before starting any maintenance work please make sure that any work done on the device is in compliance with all relevant regulations and standards Danger Dangerous voltage Disconnect power supply before carrying out any type of maintenance work Flexible tube conveying belt contact pulleys and contact springs are the only parts of the pump subject to wear They can easily be...

Page 24: ... is available on our website www mc techgroup com 19 3 2 Replacing the pump tubing Aggressive condensate is possible Wear protective gloves and protective glasses during decommissioning repair or cleaning of the cooler Wear proper protective clothing during decommissioning repair or cleaning of the cooler Note When sending the peristaltic pump to M C customer service for repair please indicate the...

Page 25: ...pressure is still sufficient if not the contact springs need to be changed Put the new tubing 3 with the tube connectors into the guides of the conveying belt 1 Note Use only the original M C spare parts Only the use of the original tubing set guarantees a perfect operation Never lubricate tubing Before mounting the pump check all parts for contaminations and clean if necessary Put the conveying b...

Page 26: ...pulleys can be replaced Assemble the pump in reversed order NOTE While mounting make sure that the center of rotation and the driver are aligned Use genuine spare parts only 19 3 4 Cleaning the pump head When changing flexible tubing or other parts inspect all parts for contaminations before assembling the pump head Clean contaminated parts if necessary We recommend cleaning the parts with a dry c...

Page 27: ...e display of the temperature controller shows the current cooling temperature Figure 8 shows the front view of the temperature controller Figure 8 Front view of the temperature controller 20 1 Changing the set value To change the set value press the P key for 2 sec The default set value of 5 C 41 F appears The set value can be changed by pressing on the two arrow keys This value should not be set ...

Page 28: ...k the vent Check the safety distance to other heated components Secure sufficient ventilation Thermal load caused by sample gas or high ambient temperature Clean the fins of the condenser for operating limits see technical data chapter 8 Let the cooler cool down before restarting it Gas flow is blocked Contamination of the sample gas line Optimize the dust pre separation upstream of the cooler Cle...

Page 29: ...2PV Jet Stream heat exchanger material PVDF Polyvinylidenfluorid Gas connections 6 mm tube Condensate G 3 8 i R 1 1 1 97K0115 ECM 2SS Jet Stream heat exchanger material SS 316 Gas connections 6 mm tube Condensate G 3 8 i R 1 1 1 90K0115 EC thermal conductivity paste 50g 40 to 140 C 40 to 284 F E 1 1 2 90K0035 Fan ECP 230 V 50 Hz C 1 93K0040X PT 100 temperature sensor for ECM C 1 90K7015 Cooling un...

Page 30: ...on our home page www mc techgroup com Threaded couplings for GL glass connections Document 11 5 Instruction Manual Peristaltic Pump Series SR SR25 1 SR25 2 G SR25 1 Ex Automatic liquid drain AD SS Document 6 13M Automatic liquid drain AD P Document 6 12 Condensate vessel TG TK Document 6 14 Figure 9 Sample gas output dew point as a function of gas flow at 60 C inlet dew point 3 4 5 6 7 8 9 10 0 50...

Page 31: ...www mc techgroup com ECM ExII 1 02 00 31 Figure 10 Circuit diagram ECM ExII Drawing No 2456 5 01 ...

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