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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TableofContents
Foreword.................................................................................................................................1
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SafetyGuidelines.....................................................................................................................2
Installation...............................................................................................................................2
ReceivingInspection.....................................................................................................................2
Rigging,Handling,andLocatingEquipment.................................................................................3
Foundation...................................................................................................................................3
ElectricalPower............................................................................................................................3
CondenserWaterLines(EP2WModelsOnly)..............................................................................4
Table1–WaterCooledCondenserWaterFlowRateRequirements......................................5
Figure1–CondenserWaterPressureDropCurves(EP2W‐05thruEP2W‐15).......................6
Figure2–CondenserWaterPressureDropCurves(EP2W‐20thruEP2W‐40).......................7
Air‐CooledChillersCondenserAir................................................................................................8
ChilledWaterLines.......................................................................................................................8
Figure3–RecommendedOverheadPiping.............................................................................9
Table2–ChillerFlowRateLimitations...................................................................................10
Figure4–StandardFlowUnitCoolantPressureDropCurve(EP2‐04andEP2‐05)...............11
Figure5–HighFlowUnitCoolantPressureDropCurve(EP2‐04andEP2‐05)......................12
Figure6–StandardFlowUnitCoolantPressureDropCurve(EP2‐08thruEP2‐15)..............13
Figure7–HighFlowUnitCoolantPressureDropCurve(EP2‐08thruEP2‐15).....................14
Figure8–StandardFlowUnitCoolantPressureDropCurve(EP2‐20thruEP2‐40)..............15
Figure9–HighFlowUnitCoolantPressureDropCurves(EP2‐20thruEP2‐40)....................16
Figure10–EP2SeriesPumpCurves.......................................................................................17
SystemFluidFreezeProtection..................................................................................................18
InterconnectingRefrigerantPiping(EP2RModelsOnly)...........................................................18
OperatingPrinciples...............................................................................................................19
CoolantCircuit............................................................................................................................19
RefrigerantCircuit......................................................................................................................19
Start‐Up.................................................................................................................................20
Table3‐RecommendedGlycolSolutions..............................................................................21
MicroprocesserControllerOperation....................................................................................23
StartButton................................................................................................................................24
StopButton................................................................................................................................24
AlarmSilence/AlarmResetButton...........................................................................................24
CompressorRunningHoursButton...........................................................................................24
PumpRunningHoursButton.....................................................................................................25
PumpTestButton.......................................................................................................................25
Display/ProgramButton.............................................................................................................25
UpButton...................................................................................................................................25
DownButton..............................................................................................................................26
ControlPowerOnLED................................................................................................................26