Table of Contents
1.0 Complete Installation
1.1 Unpacking.............................................................1
1.2 Electrostatic Discharge (ESD) ...............................1
1.3 Before you begin....................................................2
1.3.1 Site Preparation ..........................................2
1.3.2 Equipment and Tools..................................2
1.3.3 Operational Considerations ........................3
1.4 Mounting ..............................................................3
1.4.1 Installing a Tank Top Mounted
Modulevel...................................................3
1.4.2 Installing a Chamber Type modulevel.........4
2.0 Analog EZ Modulevel Wiring and Calibration
2.1 Integral Transmitter Wiring ...................................6
2.2 Remote Transmitter Wiring...................................7
2.3 Hazardous Location Wiring ..................................7
2.4 Calibrating the Analog EZ Modulevel .................10
2.4.1 Direct Acting Field Calibration.................10
2.4.2 Reverse Acting Field Calibration...............11
2.4.3 Bench Calibration.....................................11
3.0 Digital ES II Modulevel Wiring and Calibration
3.1 Integral Transmitter Wiring .................................14
3.2 Remote Transmitter Wiring.................................15
3.3 Hazardous Location Wiring ................................16
3.4 Digital ES II Push-button Calibration.................16
3.4.1 Push-button Field Calibration ..................16
3.4.2 Push-button Bench Calibration ................17
3.4.3 Digital Meter Calibration .........................18
3.4.4 Interface Calibration.................................19
3.4.4.1 Calibration in Process Liquids .....20
3.4.4.2 Calibration in water only for
interface of another liquid over
water............................................20
3.4.4.3 Calibration in water only for
interface of two other liquids .......20
3.4.4.3.1 Lower S.G. less than
or equal to 1.0 .............20
3.4.4.3.2 Lower S.G. greater
than 1.0 .......................21
3.5 Configuration Using HART................................22
3.5.1 Connections .............................................22
3.5.2 Display Menu ...........................................22
3.5.3 Basic Field Calibration Using Hart HHC ..22
3.5.4 Hart Menu ...............................................23
4.0 Reference Information
4.1 Description..........................................................25
4.2 Theory of Operation ...........................................26
4.2.1 Displacer Buoyancy ..................................26
4.2.2 LVDT.......................................................26
4.3 Troubleshooting...................................................26
4.4 Maintenance of Analog EZ Modulevel ................28
4.4.1 Replacing Transmitter PC Board ..............28
4.4.2 Replacing Power Supply PC Board ...........28
4.4.3 Replacing LVDT ......................................29
4.4.4 Checking the LVDT Winding Resistance .29
4.5 Maintenance of Digital ES II Modulevel .............29
4.5.1 Replacing Transmitter PC Board ..............29
4.5.2 Replacing LVDT ......................................30
4.5.3 Checking the LVDT Winding Resistance .30
4.6 Agency Approvals ................................................31
4.6.1 FM (Factory Mutual)................................31
4.6.2 CSA (Canadian Standards Association).....31
4.6.3 CENELEC (Comiteí Européen de
Normalisation Electotechnique)................32
4.7 Parts ....................................................................33
4.7.1 Replacement PC Boards ...........................33
4.7.2 Transmitter Head Parts .............................34
4.7.3 Recommended Spare Parts........................34
4.7.4 Mechanical Replacement Parts..................35
4.7.5 Upgrade to ESII Electronics .....................37
4.7.5.1 ES to ES II Conversion ...............37
4.7.5.2 EZ to ES II Conversion...............38
4.8 Specifications.......................................................39
4.8.1 Functional ................................................39
4.8.2 Performance..............................................40
4.8.3 Physical.....................................................41
4.9 Model Numbers ..................................................43
4.9.1 Models for Steam Applications
(max. 600 lbs.)..........................................43
4.9.2 Models for Steam Applications
(900-2500 lbs.).........................................45
4.9.3 Models for Non-Steam Applications
(max. 600 lbs.)..........................................47
Glossary
.................................................................49
Electronic Modulevel
(Top Hat Assembly Design)
Displacer Level Transmitter
Installation, Operation and Maintenance Manual
48-618 ES/EZ Modulevel Displacer Level Transmitter (Top Hat Assembly Design)
