HP A0554832 manual Sterlco 2000 Controller Indicator Name Description

Page 30

Indicator	Name	Description
	SUB 1 LED	The orange SUB1 LED lights when the process
SUB1		temperature is two degrees or more below the “To
SUB1		Process” setpoint. The compressor then shuts
		Process” setpoint. The compressor then shuts
		down by means of a latching circuit, and it does
		not run again until the temperature at the “To
		Process” thermocouple is two degrees above the
		setpoint.
	AutoTune Key	Press and hold the AT key for two seconds to
AT		initiate or stop the auto-tune function
AT
	Display Key	The functions of the Display key change based on
		how long you press it. Press the Display key for
		less than one (1) second to scroll through
		parameters within the mode.
	Down Arrow Key	Each press of the Down Arrow key decrements or
		reduces values or settings on the SV display
	Up Arrow Key	Each press of the Up Arrow key increments or
		advances the values or settings on the SV display.
Sterlco 2000 Controller
Indicator	Name	Description
T	Process Value LED	During normal operation, the large red T LED on
8.8.8.8		the controller displays the actual process
8.8.8.8		temperature at the “To Process” thermocouple. It
		also lists parameter symbols during setup and
		error messages if an error occurs
SP	Set Value LED	During normal operation, the green SP LED on
8.8.8.8		the controller displays the process set point you
8.8.8.8		want the chiller to maintain. It also displays
		parameter and pre-set function values during set
		up.
	Index Key	Press the Index key for less than (1) second to
		scroll through parameters within the mode.
	Up Arrow Key	Each press of the Up Arrow key increments or
		advances the values or settings on the SP display.
	Down Arrow Key	Each press of the Down Arrow key decrements or
		reduces the values or settings on the SP display.
	Enter Key	Press the Enter key to verify or confirm an entry.

2-40 HP Portable Chillers

Chapter 4: Operation

30 of 78

Image 30

Contents Hp Portable Chillers Shipping Information Table of Contents Operation HP Portable Chillers Safety How to Use This ManualSafety Symbols Used in this Manual Wear Safety Glasses and Work Gloves ResponsibilityFunctional Description Models Covered in This ManualGeneral Description Chilled Water CircuitRefrigeration Circuit Standard Features Mechanical FeaturesOther Mechanical Features Controller Features Electrical FeaturesRefrigeration Features Other FeaturesCrankcase Heater Safety Devices and InterlocksHigh/Low Thermostat Control High Pressure CutoutPressure Switch Oil Pressure Safety SwitchFan Cycling Switch Flow SwitchOptional Features Mounting Features Optional Pump Amperages Voltage Construction Full Load Amps Installation UncratingElectrical Connections Galvanic Corrosion Considerations Process Water ConnectionsBypass Valve Considerations Water Treatment ConsiderationsCondenser Considerations Water-Cooled Chiller CondensersAir-Cooled Chiller Condensers Remote Air-Cooled Chiller Condensers Page Equivalent Length in Feet for Valves and Fittings Chiller Condenser Charge Field Installed Piping Charge Refrigerant Charge DeterminationWater Pumps Three-Phase CompressorsChecking Motor Direction Condenser FanWater Reservoir Part Number DescriptionEthylene Glycol and Propylene Glycol Curves Automatic Water Make-Up Option Initial Start-Up Operation Panel Buttons, Indicator Lights, and SwitchesE5CK Controller Indicator Name Description Microprocessor ControllersIndicator Name Description Sterlco 2000 Controller Indicator Name Description2000 See on Indicator Name Description Graphic PanelIndicator Name Description Typical Graphic Panels With E5CK Controller With Sterlco 2000 ControllerStart-up Setting the Process Water TemperaturesAuto-Tuning Optional CommunicationsThermostat Buttons Indicator Name Description Programming the Electronic High/Low ThermostatStage 2 High Temperature Protection Select Fahrenheit or CelsiusStage 1 Freeze Protection Maintenance Filter CleaningLubrication Evaporator Process Piping Y-Strainer Maintaining the CondenserMaintaining the Evaporator Air- and Remote Air-Cooled ChillersPreventative Maintenance Service Troubleshooting HP Portable Chillers TroubleshootingHP Portable Chillers Troubleshooting Warranty AppendixParts Department Service DepartmentTechnical Assistance Sales DepartmentDrawings and Specifications Hp and 3 1/2 hp Air-Cooled Portable ChillersHp and 7.5 hp Air-Cooled Portable Chillers Hp and 15 hp Air-Cooled Portable Chillers 20 hp, 25 hp, and 30 hp Air-Cooled Portable Chillers Hp and 3.5 hp Water-Cooled Portable Chillers Nominal Condenser water Nominal cooling Water ComIn. NPT Height Width Depth Lbs Hp and 7.5 hp Water-Cooled Portable Chillers Hp and 15 hp Water-Cooled Portable Chillers 20 hp, 25 hp, and 30 hp Water-Cooled Portable Chillers Hp and 40 hp Water-Cooled Portable Chillers 12.8 17.3 Nominal cooling Com Refrigeration Power in amps eHp and 7.5 hp Remote Air-Cooled Portable Chillers 748Pres Nom Connections Hp and 15 hp Remote Air-Cooled Portable ChillersNominal cooling Com Refrigeration 15.0 40.9 34.0 74.7Hp through 40 hp Remote Air-Cooled Portable Chillers To/from No tank Tank, to/from Height Width Depth LbsRemote Condenser Assembly Models ‘A’in ‘B’in ‘C’in ‘D’in ODSinPump Curves, Flow, and Pressure Considerations Hertz Pump CurvesDWG. No. S0554823 Water Pressure Drop Tables Calculating Chiller Nominal Flow and Pressure to ProcessRecirculation Pump Specifications Recirc. power Flow Rate ∆ pressure Gpm Lpm Psi KPaFlow and Pressure Considerations Remote Air-Cooled Chiller Configurations Configuration aConfiguration B Configuration C Typical Ductwork for Air-Cooled Chillers Piping Diagrams Central and Gravity Return Piping with Standpipe DiagramTypical Piping Schematic, 2 and 3 1/2 hp Models HP Portable Chillers Appendix HP Portable Chillers Appendix Typical Piping Schematic, 5 hp through 40 hp, No-Pump Models HP Portable Chillers Appendix Typical Electrical Subpanel Electrical SchematicsTime-delay Relays Disconnect Switch Optional Speed FusesTypical Electrical Schematic, 2 hp and 3 1/2 hp Models Typical Power Wiring Schematic, 5 hp through 40 hp Models A0554815HP Portable Chillers Appendix DWG A0554931 DWG A0562343 DWG A0562435 Typical Wiring Schematic, 35 hp and 40 hp Models with Pump DWG A0562434