User guide

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Corporate Office: 724.584.5500  Instant Access 24/7 (Parts and Service): 800.458.1960  Parts and Service: 814.437.6861
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ElectricalPhaseErrorLED
TheElectricalPhaseErrorLEDflashesredwhenalinevoltageproblemexists.Thiserror
indicatesalossofphase,phasereversal,orphaseimbalance.
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LowFlowLED
TheNoFlowLEDwillbeilluminatediftheflowthroughthechillerisbelowthepreset
acceptablelevel.WhentheStartbuttonisdepressed,thissafetyisdefeatedforaperiodof5
secondsinorderforthepumptoestablishflow.Thissafetywillshutoffthepumpandthe
compressor.IfthechillerhasbeenshutdownbytheNoFlowsafety,theStartbuttonmustbe
depressedinordertorestartthepumpandresetthe5secondtimedelay.
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FreezestatLED
IfthecoolanttemperaturebeingdeliveredtotheprocessdropsbelowtheFreezestatLimit
(FLS)setting,thecompressorwillshutoff,thepumpwillremainrunning,andtheFreezestat
LEDwillbeilluminated.TheFreezestatLimitshouldbeset10°F(5°C)abovethefreezingpoint
oftheglycolsolutionand10°F(5°C)belowtheminimum operatingtemperature.TheFreezestat
isfactorysetat38°F(3°C).InordertoresettheFreezestatfaultpresstheAlarmResetbutton
afterthetemperaturehasrisen5°F(3°C)abovetheFreezestatLimit.SeetheProgramMenu
sectionforinstructionsonhowtoadjustFLS.
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LowReservoirLevelLED
Whenthewaterlevelinthereservoirdropsbelowthelowerlimitofthefloatswitch,theLow
WaterLevelLEDisilluminatedandthepumpwillshutoff.
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CompressorRecycleLED
Thenumberofcompressorstartupsperhourislimitedinordertomaximizecompressor
lifetimeandensureproperreturnofoiltothecompressorcrankcase.Thislightisilluminated
yellowwheneverthereisawaitperiodbeforethecompressorcanbestarted.
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HighRefrigerantPressureLED
Ifthecompressordischargerefrigerantpressureexceedsthesettingonthehighrefrigerant
pressuresafety,thecompressorandpumpwillshutoffandtheHighRefrigerantPressureLED
willbeilluminated.PressingtheAlarmResetbuttonwillresettheHighRefrigerantPressure
fault,aslongastheHighRefrigerantPressureswitchlocatedatthedischargeofthecompressor
hasbeenmanuallyreset.