Michell Instruments Promet EExd Installation, Operation & Maintenance Manual Download Page 8

PROMET EExd Process Moisture Analyzer Sampling Systems 

Installation, Operation & Maintenance Manual

 

and User

 

Guide 

____________________________________________________________ 

____________________________________________________________ 

www.michell.com

 

 

1.1  Manufacturing Quality 

 
Your  sampling  system  should  reach  you  in  perfect  working  condition.  Michell 
Instruments are registered with the British Standards Institute for Quality Assurance to 
BS EN ISO 9001: 2000.  
 
We have rigorous procedures at every stage of production to ensure that the materials 
of  construction,  manufacturing,  calibration  and  final  test  procedures  meet  the 
requirements laid down by our Quality System which is approved by BSI. 

Summary of Contents for Promet EExd

Page 1: ...2006 Michell Instruments Ltd PROMET EExd Process Moisture Analyzer Sampling Systems Installation Operation Maintenance Manual 97095 Issue 03 August 2009...

Page 2: ...ss quality standards During development our laboratory testing team took your instrument through a rigorous testing process to ensure that it will deliver outstanding performance time and time again W...

Page 3: ...Output Wiring Connections 12 3 OPERATION 14 3 1 Start Up Procedure 15 3 2 Shut Down Procedure 15 4 OPTIONS 16 4 1 Enclosure Heater Temperature Control 16 4 2 Trace Heated Sample Line 17 4 3 Enclosure...

Page 4: ...ransmission Each of these systems can also be supplied as either 1 or 2 channel systems The more general Natural Gas systems are supplied with triple filtration consisting of particulate and membrane...

Page 5: ...el BV4 for 2 channel Allows user to manually isolate the system from the process sample gas supply line for maintenance or servicing Filter s Natural Gas systems F1 for 1 channel F4 for 2 channel Prov...

Page 6: ...re version has 2 stages of pressure letdown Trace Moisture systems PR1 PR2 for 1 channel PR3 PR4 for 2 channel Provides pressure letdown from line pressure to a lower vent pressure Standard version ha...

Page 7: ...BV3 for 1 channel BV6 for 2 channel Allows the user to manually letdown any sample gas pressure within the system depressurise to atmosphere for maintenance or servicing Bypass flow gas handling compo...

Page 8: ...com 1 1 Manufacturing Quality Your sampling system should reach you in perfect working condition Michell Instruments are registered with the British Standards Institute for Quality Assurance to BS EN...

Page 9: ...for outdoor installations All are suitable for wall mounting When an outdoor system is supplied the internal insulation and temperature control circuits allow the sampling system to be positioned out...

Page 10: ...__________________ 10 ____________________________________________________________ www michell com M8 MOUNTING HOLES 735 695 715 770 1 CHANNEL PANEL 3mm DOUBLE BIT LOCKS 1 CHANNEL ENCLOSURE M10 MOUNTI...

Page 11: ...rate the heater circuit and analyzer within the sampling systems The factory set power supply voltage is indicated on a yellow label located on the rear panel The user cannot change the specified powe...

Page 12: ...onto terminals within the OUTPUTS junction box Cable entry into the junction box is provided through an ISO M20 thread or EExe plastic cable gland 1 Channel Version wiring connections are as follows...

Page 13: ...l 1 Analyzer Status Alarm Relay NO 7 Channel 2 Process Alarm Relay NC 8 Channel 2 Process Alarm Relay COM 9 Channel 2 Process Alarm Relay NO 10 Channel 2 Analyzer Status Alarm Relay NC 11 Channel 2 An...

Page 14: ...edure stipulated as part of the hazardous area certification of the PROMET EExd product This procedure must be fully carried out prior to any power or signal connections to the PROMET EExd being energ...

Page 15: ...Regulator PR4 for 1 channel and PR8 for 2 channel 7 For Natural Gas systems only Adjust the Bypass Flowmeter Valve FM2 for 1 channel and FM4 for 2 channel to indicate a gas flowrate of approximately 0...

Page 16: ...ns for installations in adverse climates The capillary tube thermostat marked Enclosure Heater Thermostat contains an adjustment screw for the temperature control set point factory set to approximatel...

Page 17: ...areas The trace heated sample line is connected directly onto the Gas Inlet Isolation Valve via bulkhead entry seal gland when fitted to an enclosure within the sampling systems and the heating cable...

Page 18: ...ent shows that it is in poor good condition after 12 months operation then the operating period between replacements may be reduced increased accordingly To replace the membrane filter element proceed...

Page 19: ...ndition after 12 months operation then the operating period between replacements may be reduced increased accordingly To replace the particulate filter element proceed as follows 1 Isolate the samplin...

Page 20: ...te filter element proceed as follows 1 Isolate the sampling system from the gas supply in accordance with the System Shutdown Procedure 2 Unscrew and remove the filter bowl from the body of the filter...

Page 21: ...ll mounting brackets Ingress protection rated to IP66 NEMA 4 Enclosure Heating Standard 100W heater with preset 20 C set point thermostat 1 heater for 1 Channel 2 heaters for 2 Channel Optional Adjust...

Page 22: ...tenance Manual and User Guide ____________________________________________________________ 22 ____________________________________________________________ www michell com APPENDIX A CONTACT DETAILS Fo...

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