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Sterling Power Products 30F to 65F 5-6Optional Communications, Standard Omron Protocol

Models: 30F to 65F

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5-6 Optional Communications

Standard Omron Protocol

The communications function allows you to monitor and set E5CK parameters by a program prepared and running on a host computer connected to the E5CK controller.

When using the communications function, you must add on the unit for RS-232C or RS-485 communications. The E5CK communications function allows you to read/write parameters, do operating instructions, and select the setting level.

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SMC Series Chillers

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Sterling Power Products 30F to 65F installation manual 5-6Optional Communications, Standard Omron Protocol

Contents

OPERATION AND INSTALLATION MANUAL SMC SERIES AIR COOLED PORTABLE WATER CHILLERSOR OPERATE EQUIPMENT Part Number Sterling, Inc. 2003 All Rights ReservedEffective Bulletin SC2-615A.4Safety Considerations 1 General Information Table of ContentsChiller Installation Sequence of OperationTroubleshooting Guide Startup ChecklistsRoutine Maintenance Microprocessor ControlCharts and Figures 1-2Necessary Documents General Information1-1Introduction 1-3Models Covered1-5Uncrating Your New Chiller Power Cord1-4Available Options Special Pumps1-6In the Event of Shipping Damages 1-7If the Shipment is Not Complete1-8If the Shipment is Incorrect 1-9Returns PageSMC Series Chillers Figure 3 SMC150 Process Pump Curves Figure 1 SMC050 Process Pump CurvesFigure 2 SMC100 Process Pump Curves SMC Series ChillersPage SMC Series ChillersPage Figure 5 SMC Series Chiller SpecificationsSMC Series Chillers 1-1/22-2Process Water Connections Chiller Installation2-1Electrical Connections To Process2-4Water Reservoir PCA Ambient Temperature Ranges2-3PCA Condenser Air Supply Process Water BypassNormal Operating Range between 30F - 70F 30% Ethylene Glycol 20% Percent by Volume 10% 0%Chilled Water Operating Temperature F Set Point Figure 6 Ethylene Glycol Curve2-5Overhead Process Considerations of 1-inch 2.5 cm pipe Figure 7 Overhead Piping3-2Refrigeration Circuit Sequence of Operation3-1Chilled Water Circuit Figure 9, Figure 10, and Figure3-4Low Pressure Cutout the problem if high pressure recurs3-3High Pressure Cutout 3-5Remote Start/Stop InterlockFigure 8 SMC Component Identification PageSMC Series Chillers Refrigeration lines SMC Series ChillersPage Chilled water pipingPage SMC Series ChillersDischarge line SMC Series Chillers PageAir-cooledcondenser Discharge line 4-3PCA Startup Checklist Startup Checklists4-2SMC Pre-StartupChecklist 4-1IntroductionGallons per minute 4-4SMC Water Circuit Pressure Drop TableModel Liters per minuteMicroprocessor Control 5-2Setting the Process Water Temperature5-3LED Indicators 5-1IntroductionSTOP LED OUT2 LEDMANU LED E5CKAT LED 5-4Temperature Controller KeysRMT LED SUB1 LEDDown Key 5-5 Auto-TuningSMC Series Chillersthe Sterling Service Department Up Key5-6Optional Communications Standard Omron ProtocolPOWER 6-1Indicator Lights6-2Switches Optional Graphic PanelPage Portable ChillerPC Series SMC Series ChillersRoutine Maintenance 7-2Condenser Maintenance7-1Lubrication Figure 15 Typical SMC Wiring Schematic PageSMC Series Chillers SMC Series Chillers Page1MTR Page SMC Series ChillersSolution Troubleshooting GuideProblem CauseCause ProblemSolution Pump runs, compressorPCA Unit Parts List Part NumberPart Description Page SMC Series ChillersSMC Series Chillers PageTechnical Assistance PageSMC Series Chillers Sales Department Service DepartmentParts Department Contract Department