—A B B M E A S U R E M E N T & A N A LY T I C S | I N F O R M AT I O N | I N F 1 2 / 1 1 3 - E N R E V. CNavigator 550Low level dissolved oxygen wet-sectionSpares replacement proceduresMeasurement made easy1 IntroductionThese procedures must be carried out by a trainedtechnician.Tools required• Pozidrive screwdriver• Slot-head terminal screwdriver• Anti-static strap.2 For more informationFurther information is available from:www.abb.com/analyticalor by scanning these codes:Sales ServiceNavigator 550low level dissolvedoxygen wet-section

ABB Navigator 550 Replacement Procedures

sample requirements

Navigator 550

Safety standards

Navigator 540 transmitter

Sample requirements

drains

reagent tubing

Transmitter optional accessories

Setting up the wet-section

Setting flow rates

Sample flow rate

view mode

Log mode

SD card / USB stick insertion and removal

menu overview

software version

Analog sources and digital input / output sources

Maintenance

monthly

Replacing plastic tubing

Shut-down procedure

Refurbishing the hydrazine sensor assembly

Cleaning the platinum anode and sensor ceramic

Specification – analyzer

Specification – transmitter

Specification – wet-section

Appendix A – Troubleshooting

A.2 Checking the temperature input

A.5 Unscheduled servicing

Appendix B – Multiple wet-section setup

B.2 Serial connections

Appendix C – Spare parts

C.3 Navigator 540 transmitter

Navigator

Mounting the wet-section

regeneration tubing

Transmitter location

Wall mounting

Solution ground

Wet-section PCB connections

Accessing the transmitter connection board

Fitting and filling the reservoir (option)

Operator menus

Sensor Setup

Scheduled servicing

Monthly

Manual regeneration

Preparing the sodium and reference electrodes for storage

Replacing plastic tubing multi-stream wet-sections

Replacing plastic tubing single-stream wet-sections

A.2 Calibration pass and fail limits

A.3 Checking the temperature input

Appendix B – Multi-stream sodium wet-section

Appendix C – Multiple wet-section setup

Appendix D – Spare parts and consumables

D.3 Navigator 540 transmitter