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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6. Goto ProcessDiagnosticScreen:Thisscreendisplaysstatusofthechiller’s
programmablecontroller.
7. Compressor ON/OFFStatus&RunningHours:Showsthestatusandrunninghoursofthe
compressor(s).
8. SetpointandSupplyTemperature:TheSupplytemperatureisroughlythesame
temperatureasthewaterleavingtheevaporator.
ProcessDiagnosticScreen
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1. SupplyandReturnWaterTemperatureDisplay
a. Thetemperaturesensorforwatersuppliedtotheprocessisalwaysdisplayed.
b. Thetemperaturesensorforwaterreturningfromtheprocessisdisplayedunless
theReturnTemperatureOptionisnotpresent.
2. Goto ActiveAlarmsScreen/Alarm
Historyscreen
a. Thiswillappearblankifnoalarmsorwarningsareactive.Thisboxwillbe
flashingifawarningoralarmisactive.
b. PressthisbuttontobetakentotheActiveAlarmsscreen.
3. PumpON/OFFIndication:Showspumpstatus.
4. Goto MainScreen:Pressing
thisbuttonwilltakeyoubacktotheMainScreen.
5. Goto CompressorSetupscreen:Youwillbepromptedforapasswordtoaccessthis
screen.Thecompressorstagingparameterscanbechangedfromthisscreen.Fromthis
screen,onecanaccessallotherpasswordprotectedparameterssuchas
temperature
alarmsetpointsandtemperaturecontroltuning.(ThePasswordis“000”.)
6. Goto OutputStatus/OutputDesignationscreen:Thisscreendisplaysstatusofthe
chiller’sprogrammablecontroller.
7. Hot GasBypassOutputPercentage:
1
3
4
5
2
6
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