Teledyne 3190Z Replacing the Fuse, Trace Oxygen Analyzer Maintenance, AC Powered Units

Page 31

Trace Oxygen Analyzer

Maintenance

 

 

 

Maintenance

Aside from normal cleaning and checking for leaks at the gas connections, the Model 3190Z should not require any maintenance beyond replacement of zirconium oxide sensors, and perhaps a blown fuse. Routine maintenance includes occasional recalibration, as described in Chapter 4 - Operation.

5.1 Replacing the Fuse

5.1.1 AC Powered Units

When a fuse blows, check first to determine the cause, then replace the fuse using the following procedure:

1.Disconnect the AC power and place the power switch located on the rear panel in the O position. Remove the power cord from the receptacle.

2.The fuse receptacle is located in the power cord receptacle assembly in the upper left-hand corner of the rear panel. See Figure 5-1.

Figure 5-1: AC Fuse Replacement

Teledyne Analytical Instruments

23

Image 31
Contents Teledyne Analytical Instruments Trace Oxygen AnalyzerCopyright 2009 Teledyne Instruments/ Analytical Instruments Model 3190ZSafety Messages Model 3190Z Table of Contents Maintenance Combustible GAS Usage Viii Trace Oxygen Analyzer Introduction Main Features of the AnalyzerIntroduction OverviewIntroduction Model 3190Z Front Panel DescriptionSpan Meter Readout Rear Panel DescriptionMeasurement Parameters Readout Rear Panel AC and DC versions ƒ Power ConnectionAlarm Page Trace Oxygen Analyzer Operational Theory Operational TheoryIntroduction Zirconium Oxide SensorsGeneral ElectronicsOperational Theory Model 3190Z Effect of PressureBlock Diagram of the Signal Processing Electronics Signal ProcessingOperational Theory Model 3190Z Trace Oxygen Analyzer Installation InstallationUnpacking the Analyzer Location and Mounting Installation Model 3190ZControl Unit Installation External Probe InstallationPower switch is located below the fuse receptacle Rear Panel Electrical Connectors for AC and DC Units Contact ID for Failsafe Relay Operation Gas Connections Installation ChecklistTrace Oxygen Analyzer Operation OperationSetting the Analysis Ranges Using the Function and Data Entry ButtonsOperation Model 3190Z HI Range Setting the Alarm SetpointsHI Alarm LO AlarmCalibration Sensor Fail AlarmProcedure Selecting a Fixed Range or AutorangingLED Display on StartUp Page Replacing the Fuse MaintenanceTrace Oxygen Analyzer Maintenance AC Powered UnitsWhen to Replace a Sensor Sensor Installation or ReplacementMaintenance Model 3190Z DC Powered UnitsRange ID 0-10 VDC SpecificationsAppendix Trace Oxygen Analyzer AppendixAppendix Model 3190Z Spare Parts ListMiscellaneous Drawing List