Emerson 3000 manual Contact Heater Screws Not Shown Thermocoupler

Page 55

World Class 3000

Instruction Manual

Appendix A Rev. 3.6

 

July 1998

A

 

d.Use a pencil to mark locations of spring clip on ceramic rod, Figure A-20.

e.Pry or squeeze tabs on spring clips, and pull contact and thermocouple assembly out of probe assembly. Retain spring clips and spring; replace if damaged.

Be very careful when handling contact and thermocouple assembly. The ce- ramic rod in this assembly is fragile.

f.While very carefully handling new contact and thermocouple assembly, lay old as- sembly next to new one. Transfer pencil marks to new rod.

CONTACT AND

HEATER SCREWS

(NOT SHOWN)

THERMOCOUPLER

 

ASSEMBLY

 

MOUNTING SCREW

V-STRUT

(REAR VIEW)

 

HEATER

CERAMIC ROD

INSULATING SPRING

GASKET CLIP

21240010

Figure A-20. Inner Probe Replacement (Heater, V-Strut, and Backplate Assembly)

g.Note wire lengths of old assembly as an aid for trimming new lengths in step (j). Trim- ming of wires will not always be necessary. Throw away old contact and thermocouple assembly.

h.Carefully guide new contact and thermo- couple assembly through V-strut assembly leaf spring (4, Figure A-21),spring (9), spring clip (10) (held open by squeezing tabs), and tube supports (11, 13) until spring clip reaches pencil mark.

i.Reinstall insulating gasket on backplate, re- place two screws, O-rings, lockwashers and flat washers connecting probe junction box to inner probe assembly.

Do not trim new wiring shorter than existing (old) wiring. Excessive wire trim will prevent connections from being properly made and will require a new replacement kit.

j.Trim wires, if necessary, as noted in step (g).

k.Connect color coded wires to proper termi- nals as shown in Figure A-16.Rosemount recommends connecting the thermocouple wires directly to the terminal strip. This is because the junction of different metals at the wires and lugs and at the lugs and the

1

3

4

4

5

 

 

 

 

 

 

 

 

6

 

 

13

2

11

 

11

10

9

7

 

 

 

 

12

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

1.

Heater Ceramic Rod

 

 

5.

Ring Lug

 

9.

Spring

2.

Contact and Thermocouple Assembly

6.

Butt Connector

10.

Spring Clip Assembly

3.

Strut

 

 

7.

Extension

 

11.

Common Tube Support

4.

Leaf Spring

 

 

8.

Backplate

 

12.

Heater

 

 

 

 

 

 

 

13.

Short Tube Support

Figure A-21. Heater, Strut, and Backplate Assembly

(Inner Probe Assembly)

Rosemount Analytical Inc. A Division of Emerson Process Management

Appendices A-21

Image 55
Contents World Class Essential Instructions Effective June, 1996 Rev Highlights of ChangesEffective October, 1995 Rev SummaryEffective February, 1998 Rev PageSummary Effective May, 1997 Rev PageSummaryWorld Class Table of ContentsTypical System Package List of IllustrationsDefinitions PrefaceWorld Class Section Description Component Checklist of Typical System Package ContentsOverview Features System ConfigurationTypical System Installation Probe Heater Power SupplyProbe Head Wiring Existing ElectronicsOxygen Analyzer Probe Section InstallationEither make necessary repairs or install InstallationProbe Installation Sheet 1 Probe Installation Sheet 2 Probe Installation Sheet 3 Probe Installation Sheet 4 Probe Installation Sheet 5 Orienting the Optional Vee Deflector Service RequiredElectrical Installation of Heater Power Supply Electrical Connections Heater Power Supply InstallationSelection JM1 Fuses JM2 World Class Electronics Setup Section SetupG02 G04 Model 218A Electronics SetupEprom Replacement Model TC200 Veritrim Electronics SetupHeater Set Point Adjustment Main PCB Model 132 Eprom Replacement Model 132 Digital Electronics SetupSystem Troubleshooting Section TroubleshootingWorld Class Section Return of Material World Class Section Appendices World Class Figure A-2. Main Probe Components Oxygen Analyzer Probe GeneralTable A-1. Specifications for Oxygen Analyzing Equipment.1 Snubber Diffusion Assembly Probe Assembly ExteriorCell and Flange Assembly Probe Tube AssemblyCell General Inner Probe AssemblyProbe Options Cable AssemblyAbrasive Shield Assembly Probe Junction BOXView a Ceramic Diffusion Assembly Figure A-8. Ceramic Diffusion/Dust Seal AssemblyProbe Mounting Jacket Options Bypass Probe OptionsFigure A-13. Bypass Probe Option Sheet 1 Figure A-13. Bypass Probe Option Sheet 2 Group Code Description Extended Temperature By-Pass Arrangements 2400 F 1300 COverview Probe TroubleshootingProbe Faults Table A-2. Fault Finding Symptom Check RemedyWorld Class Figure A-14. Flowchart of Probe Related Problems, #1 Figure A-15. Flowchart of Probe Related Problems, #2 Probe Recalibration Cell ReplacementFigure A-16. Cell Wiring Connection Optional Ceramic Diffusion Element ReplacementGeneral World Class Figure A-19. Probe Junction Box Mechanical Connections Replacement of Contact Thermocouple AssemblyContact Heater Screws Not Shown Thermocoupler World Class Figure A-22. Oxygen Analyzer Probe, Cross-Sectional View Figure A-23. High Temperature Corrosive Environment Kit Replacement Parts Figure A-10 4841B03G02 Stainless Steel Diffuser Assembly Appendix B, REV HPS 3000 Heater Power Supply Description Side FrontTheory of Operation Table B-1. Specifications for Heater Power SupplyOverview HPS 3000 Troubleshooting HPS 3000 TroubleshootingFigure B-4. HPS Troubleshooting Flowchart, #1 SymptomFigure B-5. HPS Troubleshooting Flowchart, #2 Figure B-6. HPS Troubleshooting Flowchart, #3 Transformer Replacement Fuse ReplacementMother Board Replacement Daughter Board Replacement Figure B-7. Heater Power Supply, Exploded View Part Number Description Table B-2. Replacement Parts for Heater Power SupplyWorld Class Section Index World Class Warranty World Class 3000 Probe Serial No Order No HPS
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3000 specifications

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