Bacharach 450 Operating & Maintenance Instructions
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ECA 450 OperationInstruction 0024-9400 112 Operation2.1 Turning On the AnalyzerImportant! Prior to initially operating the analyzer, be sure to first charge thebattery per Section 4.1.Before turning on the analyzer, connect the probe’s gas hose, pressure hose,and thermocouple to the analyzer’s GAS, PRESSURE, and T-STACKconnectors, respectively (refer to Section 1.5.1).Turn on the analyzer by pressing the I/O key. Observe that all displaysegments are briefly turned on to verify their operation. The display thenshows the following information as the analyzer performs its 60 secondwarm-up sequence:BACHARACH, INCECA 450WARM-UP xxWhere: xx = warm-up time, counting down from 60 secondsNote: The software’s version number is briefly displayed at the bottom of thescreen prior to the start of the warm-up sequence.At the end of a normal warm-up sequence, the message “No ProblemsDetected” is briefly displayed followed by the display of the Combustion TestHOLD screen. If, however, a problem was detected during warm-up, theanalyzer will display the message “Problem(s) Detected” and sequentiallydisplay a list of those problems at the bottom of the screen, and then wait foroperator intervention. Refer to Section 5.2 Troubleshooting Guide for a list ofpossible error messages and the recommended corrective action.2.2 Turning Off the AnalyzerThe analyzer is turned off by again pressing the I/O key. If there is anyresidual gas inside the sensor chamber, the message “Purging Sensors” isdisplayed while the analyzer purges itself with fresh air. The purging processcontinues until all gas concentrations inside the analyzer have reached safelevels.Once the sensor chamber has been purged, the analyzer enters its normal 5-second-delay period; after which the analyzer turns off.Important! The probe must be removed from the stack during the purgingprocess to allow fresh air to be drawn through the sensor chamber.Tips: Pressing the I/O key will abort the purging process. During the off-delayperiod, the analyzer can be turned back on by pressing the RUN key. |
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