Sterling SCW Series installation manual Available Options, Standard Features on Remote Condensers

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1-5 Available Options

SCW Series central chillers are available with options to tailor the unit to your requirements. Some are factory installed; some can be retro-fitted in the field. Consult Sterling sales for more information. Available SCW Series options include:

•Advanced control package including: Mitsubishi P2A PLC control with A970GOT – color touchscreen interface; provides control of up to nine additional chillers, cooling tower system, water treatment system

•General Fault audible/visual alarm with elevated light stack

•Non-fused rotary thru-the-door disconnect switches

•Electrical operation available in 208, 460, and 575 volts, 60 Hz; 200, 380, and 415 volts, 50 Hz

•UL/CUL-listed electrical subpanel

•Water cooled condenser manifold

•Onsite startup

Standard Features on Remote Condensers

•Direct-drive 3-phase fan motors with ball bearings and internal overload protection

•Electronic variable-speed control of lead fan and fan cycling for constant condenser head pressure control

•Fans are 30” (76 cm) in diameter and have PVC-coated steel fan guards; 1½ hp (1.12 kW) variable-speed fans are 26” (66 cm) in diameter

•Internal baffles between fan cells

•UL listed in the United States and Canada

•Patented floating tube coil to eliminate tube sheet leaks

•Copper tube condenser coils have corrugated aluminum fins

•Weather-proof control panel with factory-mounted door interrupt switch

•High-efficiency condenser coil, designed for optimum performance

•Aluminum housing provides corrosion protection for outdoor applications

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SCW Series Central Chilling Stations

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Contents SCW Series Central Chilling Stations SCW Series Central Chilling Stations Safety Considerations Wear Safety Glasses and Work GlovesTable of Contents Startup Checklists Indicator Lights and Control Switches MMIViewing and Operating Chiller Pumps Charts and Figures Introduction Necessary DocumentsStandard Features Models CoveredStandard Features on Remote Condensers Available OptionsModel Number Nomeclature Typical Two-Circuit 60-195 Ton Water Cooled Chiller Nominal water flow gpm460/3/60 Vf Typical Two-Circuit 60-195 Ton Remote Air Cooled Chiller 460/3/60Scwr Series Remote Condenser Models Unpacking and Inspection Event of Shipping DamagesReturns If the Shipment is Not CompleteIf the Shipment is Not Correct Bill of lading Packing listUncrating Your New Chiller SCW Series Central Chilling Stations Installation Location Considerations Making Electrical ConnectionsCheck Compressor Rotation Before Starting Unit Making Process Water Connections Piping ConsiderationsTo Process Making Tank Piping Connections Water Treatment Considerations Water Connection Sizing ConsiderationsGalvanic Corrosion Considerations Making Water-Cooled Condenser ConnectionsCondenser Water Installing the Remote Air-Cooled CondenserCondenser Water Out Compressor Checking Motor DirectionWater Pump Condenser Fan Lead-Lag Compressors AlarmsStaging Lead-Lag PumpsRefrigeration Circuit Chilled Water CircuitFreezestat Control Freezing Protection Curve Percent byHigh Pressure Cutout Flow SwitchHigh pressure cutout setting Low Pressure CutoutChilled Water Manifold Control NozzleControl Probe Optional Condenser Water ManifoldSCW Series Central Chilling Stations Startup Checklists Water-Cooled SCW Series Startup ChecklistSCW Series Central Chilling Stations Water-Cooled SCW Series Startup Remote Air-Cooled SCW Series Startup Checklist SCW Series Central Chilling Stations Remote Air-Cooled SCW Series Startup Fan Set on Set off Number Psi KPa BarsDetermining Flow Rate ShutdownIndicator Lights and Control Switches MMI Graphic Panel DevicesSCW Series Central Chilling Stations Operator Interface Using the StandardOperator Interface Introduction Using the SCW Series Standard Operator Interface SCW Series Standard Control PanelViewing and Operating Chiller Pumps Viewing Active Alarms and Handling Alarm Conditions Viewing and Setting System TemperaturesSetting System Temperatures Touchscreen Interface Using the AdvancedTouchscreen Interface Introduction MMI Using the SCW Series Advanced Touchscreen Interface Viewing Compressor Status Main Menu ScreenChiller Status Screen Chiller Configuration Screen SCW Series Central Chilling Stations Compressor Run Time Display Screen Viewing Chiller Pump Status Pump Status Screen Pump Enables Screen Pump Run Time Display Screen Pumps Alarm Condition Screen Viewing and Setting System Temperatures System Status Screen Temperature Input Display Screen Remote Air-Cooled Condenser MaintenanceLubrication Water-CooledMakeup Valve Evaporator MaintenancePump Motor Seal Recommended Pump Tank Spare PartsPreventive Maintenance Service SCW Series Central Chilling Stations Troubleshooting Problem Possible Cause Solution Verify proper rotation if Service Notes Index Determining Flow RateSCW Series Central Chilling Stations Service Notes Service Notes Service Notes Technical Assistance Parts Department