Specifying Auto Restart Settings; Programming The Toc Autozero - GE Sievers 500 RL Operation And Maintenance Manual

Chapter 4: Basic Analyzer Operation
measurements at the time sample flow stopped. When flow is interrupted, a warning will be recorded in
the warnings/errors list.
Operating the Analyzer in On-Line mode with the Flow Sensor off can result in
erroneous measurements if there is no sample flow.

Specifying Auto Restart Settings

If your Analyzer has a Super iOS, you can specify whether the Analyzer should automatically restart after various
system functions. If your Analyzer has a standard iOS or a Sample Inlet Block, Auto Restart is available only after
Rinse Down mode. Auto Restart does not occur if the Analyzer is configured for Grab mode prior to running a
system function By default, Auto Restart is Off.
1. Select the Maintenance tab.
2. Press the Advanced button.
3. Press the Advanced Setup button.
4. Press the Auto Restart button.
5. Select a function and then set it to On or Off. Available system functions will depend on what kind of iOS
System you have. Super iOS options include Rinse Down, Verification, System Suitability, and
Linearity.
For verification, system suitability, and linearity functions, analysis only restarts only when the protocol is
completed successfully. If any of these protocols fail, analysis does not restart.

Programming the TOC Autozero

If your application requires you to perform on-line TOC measurements, you may want to set the Analyzer to
automatically perform a TOC Autozero at a specific interval. The TOC Autozero is recommended only if the TOC
concentration in the sample stream is 50 ppb or less. The TOC Autozero function is described in more detail on
page 164.
1. If the Analyzer is taking measurements, press the Stop Analysis button.
2. Press the Menu button, select the Maintenance tab, and press the Cal/ver/Validate button.
3. Press the Program Autozero button.
4. Press the State button and select On.
5. Press the Frequency button and use the number keypad to enter how often you want to program the
TOC Autozero function to work. The Frequency is measured in days; if you enter 7 the TOC Autozero will
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