User guide

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MicroprocesserControllerOperation
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Thechillerincludesamicroprocessorcontrollertoperformallcontrolfunctionsdirectlyfrom
thefrontpanel.WhenControlPowerisapplied,thecontrollerinitiatesadiagnostictestofeach
indicatinglightanddisplaysegmentwhichmomentarylightsthemsequentially.Aspartofthis
initialdiagnostictest,theprogramrevisionleveldisplayinthetemperaturedisplayfora
moment.Aftertheinitialdiagnosticsequenceiscompleted,thecontrollerisreadyfor
operation.
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