Michell Instruments Condumax II Betriebsanleitung

Condumax II

(Class 1 Division 1)

Hydrocarbon Dew-Point Analyzer

Sampling System

Installation, Operation & Maintenance Manual

97525, Issue 1

November 2016

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This document is the property of Michell Instruments Ltd. and may not be copied or

otherwise reproduced, communicated in any way to third parties, nor stored in any Data

Processing System without the express written authorization of Michell Instruments Ltd.

Condumax II

For Michell Instruments' contact information please go to

www.michell.com

Condumax II Sampling System -

NEC Compatible IOM Manual

iv 97525, Issue 1, November

Contents

Safety ................................................................................................................................vi

Electrical Safety ...........................................................................................................vi

Pressure Safety ............................................................................................................vi

Toxic Materials .............................................................................................................vi

Repair and Maintenance ...............................................................................................vi

Safety Conformity ........................................................................................................vi

Abbreviations .....................................................................................................................vii

Warnings ...........................................................................................................................vii

1 INTRODUCTION ................................................................................................1

1.1 General ............................................................................................................ 1

2 INSTALLATION ..................................................................................................4

2.1 Gas Connections ............................................................................................... 6

2.2 Power Supply Connection .................................................................................. 6

2.3 Output Wiring Connections ................................................................................ 7

3 OPERATION ......................................................................................................9

3.1 System Start-Up Procedure .............................................................................. 10

3.2 System Shut-Down Procedure .......................................................................... 11

3.3 Pressure Regulator Temperature Control ........................................................... 12

4 OPTIONS ........................................................................................................13

4.1 Enclosure Heater Temperature Control .............................................................. 13

4.2 Enclosure Cooling ........................................................................................... 13

5 MEMBRANE AND PARTICULATE FILTER ELEMENT REPLACEMENT .......................14

5.1 Service Intervals ............................................................................................. 14

5.2 Installing the Filter Element and Membrane ...................................................... 14

Condumax II Sampling System -

NEC Compatible IOM Manual

Michell Instruments v

Figures

Figure 1 Condumax II Sampling System - Indoor Version ...........................................4

Figure 2 Condumax II Sampling System - Outdoor Version .........................................5

Appendices

Appendix A Technical Specications ..............................................................................18

Appendix B Quality, Recycling & Warranty Information ...................................................20

B.1 Pressure Equipment Directive (PED) 97/23/EC ..............................20

B.2 Recycling Policy .......................................................................... 20

B.3 WEEE Compliance .......................................................................20

B.4 RoHS2 Compliance ......................................................................21

B.5 Warranty .................................................................................... 21

B.6 Reach Compliance ....................................................................... 22

B.7 Calibration Facilities .....................................................................22

B.8 Return Policy ..............................................................................23

B.9 Manufacturing Quality ................................................................. 23

Appendix C Analyzer Return Document & Decontamination Declaration ..........................25

Tables

Table 1 Wire colors .................................................................................................6

Table 2 Terminal marks ...........................................................................................7

Table 3 Minimum cable requirements, power connectors ............................................7

Table 4 Wire Numbers, HC Dew-Point Version ...........................................................7

Table 5 Wire Numbers, HC and Water Dew-Point Version ...........................................8

Table 6 Minimum cable requirements, wire connectors ...............................................8

Table 7 Potentionmeter markings - CSA Version ......................................................12

Condumax II Sampling System -

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vi 97525, Issue 1, November

Safety

The manufacturer has designed this equipment to be safe when operated using the procedures

detailed in this manual. The user must not use this equipment for any other purpose than that

stated. Do not apply values greater than the maximum value stated.

This manual contains operating and safety instructions, which must be followed to ensure the safe

operation and to maintain the equipment in a safe condition. The safety instructions are either

warnings or cautions issued to protect the user and the equipment from injury or damage. Use

competent personnel using good engineering practice for all procedures in this manual.

Electrical Safety

The instrument is designed to be completely safe when used with options and accessories supplied

by the manufacturer for use with the instrument. The input power supply voltage limits are 110 to

120 V AC, 60 Hz or 220 to 240 V AC, 50 Hz.

Pressure Safety

DO NOT permit pressures greater than the safe working pressure to be applied to the instrument.

The specied safe working pressure is 100 barg (1450 psig). Refer to Appendix A, Technical

Specications.

Toxic Materials

The use of hazardous materials in the construction of this instrument has been minimized. During

normal operation it is not possible for the user to come into contact with any hazardous substance

which might be employed in the construction of the instrument. Care should, however, be exercised

during maintenance and the disposal of certain parts.

Repair and Maintenance

The instrument must be maintained either by the manufacturer or an accredited service agent. Refer

to www.michell.com for details of Michell Instruments’ worldwide ofces contact information.

Safety Conformity

This product meets the essential protection requirements of the relevant EU directives.

Condumax II Sampling System -

NEC Compatible IOM Manual

Michell Instruments vii

Abbreviations

The following abbreviations are used in this manual:

AC alternating current

barg pressure unit (=100 kP or 0.987 atm)

°C degrees Celsius

°F degrees Fahrenheit

lbs pound(s)

kg kilogram(s)

HCdp hydrocarbon dew-point

Nl/min normal liters per minute

m meter(s)

mA milliampere

max maximum

m3/hour cubic meters per hour

mm millimeters

% percentage

psig pounds per square inch

temp temperature

V Volts

W Watts

Warnings

The following general warnings listed below are applicable to this instrument. They are

repeated in the text in the appropriate locations.

Where this hazard warning symbol appears in the following

sections it is used to indicate areas where potentially hazardous

operations need to be carried out.

Where this symbol appears in the following sections it is used to

indicate areas of potential risk of electric shock.

Condumax II Sampling System -

NEC Compatible IOM Manual

viii 97525, Issue 1, November

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Condumax II Sampling System -

NEC Compatible IOM Manual

Michell Instruments 1

INTRODUCTION

1 INTRODUCTION

1.1 General

The Condumax II Hydrocarbon Dew-Point Analyzer Sampling System is specifically

designed for the measurement of hydrocarbon and water dew-point in natural gas.

The addition of water dew-point is optional to factory order. The system is configured

with the necessary pressure letdown and flow control required for measurement at

pressure before finally venting to an atmospheric or a low pressure flare line system.

A fast-loop bypass flow arrangement is included to reduce sample flow response time

lag and to enable the filter to be drained automatically of any potential hydrocarbon

liquids and hydrates formed. Tube and process connections are 1/4” OD.

HC dew-point analysis pressure is adjusted by a heated pressure regulator in the

range up to 35 barg (500 psig). However, it is typical for measurements to be made at

the cricondentherm condition of 27 barg (400 psig), where the highest HC dew-point

temperature will be detected on the retrograde phase envelope.

The water dew-point (where fitted) is measured at full pipeline pressure, to determine

the highest water dew-point for the gas sample being analyzed.

The complete Condumax II Hydrocarbon Dew-Point Analyzer Sampling System can be

located close to the gas sample take-off point in a potentially explosive environment

- designated Class 1 Division 1 hazardous area.

The indoor version Sampling System gas handling components are assembled on

a stainless steel plate suitable for wall mounting within a temperature controlled

analyzer house.

The outdoor version Sampling System is housed within a stainless steel enclosure (304

or 316) for direct field installation next to the process line (with overall environmental

protection to IP66).

The Sampling System must be located in a constant temperature controlled environment

of at least +10°C (+18°F) above the highest envisaged dew-point temperature.

All sample gas wetted metallic parts are in AISI 316L stainless steel with Viton® soft

parts that comply with the NACE standard MR-01-75 (latest edition). Tube fittings are

twin ferrule compression type. All gas and cable entries are located in the base of the

enclosure.

The sample flow gas handling components are as follows:

• Gas Inlet Isolation Valve (BV1):

Allows user to manually isolate the system from the process sample gas

supply line for maintenance or servicing.

• Coalescing & Membrane Filter (F1):

Provides system protection from contamination of liquid carry-over of

hydrocarbon / glycol mist particles using membrane ltration.

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2 97525, Issue 1, November

INTRODUCTION

• Line Pressure Gauge (PG1):

Indicates the sample gas line pressure.

• HCdp Pressure Regulator (PR1):

Allows the user to manually set the sample gas analysis pressure for

hydrocarbon dew-point measurement.

• HC and H2O Dew-Point Analyzer (Condumax II):

Provides measurement and output of hydrocarbon & water dew point of the

sample gas.

• Non Return Valve (NRV1):

Provides system protection from back pressure of vent gas when sample gas

is not owing.

• HCdp Flow Metering Valve (FV1):

Allows the user to manually set the sample gas ow rate across the

hydrocarbon dew-point sensor.

• HCdp Flowmeter (FM1):

Provides indication of the sample gas ow rate across the hydrocarbon dew-

point sensor.

• H2Odp Letdown Pressure Regulator (PR3) {if tted}:

Provides pressure letdown from line pressure to a lower vent pressure.

• Non Return Valve (NRV3) {if tted}:

Provides system protection from back pressure of vent gas when sample gas

is not owing.

• H2Odp Flowmeter/Metering Valve (FM3) {if tted}:

Allows the user to manually set and provide indication of the sample gas

owrate across the water dew-point sensor.

• Gas Outlet Isolation Valve (BV2):

Allows the user to manually isolate the system from the gas outlet line for

maintenance or servicing.

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