© 2006 Michell Instruments Ltd
PROMET EExd
Process Moisture Analyzer Sampling
Systems
Installation, Operation &
Maintenance Manual
97095 Issue 03, August 2009
Страница 1: ...2006 Michell Instruments Ltd PROMET EExd Process Moisture Analyzer Sampling Systems Installation Operation Maintenance Manual 97095 Issue 03 August 2009...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 10: ...__________________ 10 ____________________________________________________________ www michell com M8 MOUNTING HOLES 735 695 715 770 1 CHANNEL PANEL 3mm DOUBLE BIT LOCKS 1 CHANNEL ENCLOSURE M10 MOUNTI...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 22: ...tenance Manual and User Guide ____________________________________________________________ 22 ____________________________________________________________ www michell com APPENDIX A CONTACT DETAILS Fo...
