Sterling SCW Series installation manual 460/3/60 Vf

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	Model			SCWW-xxx
			115	145	165	195
	Cooling Capacity (tons) @ 50°F LWTc		116.3	146.0	166.3	193.1
	Capacity stages			Infinite	Unloading
	EER (BTUH/W)		15.5	16.2	15.9	16.2
	Nominal water flow (gpm)	Evaporatord	279	350	399	463
	Nominal water flow (gpm)	Condenserse	349	438	499	579
		Condenserse	349	438	499	579
	Condenser connection (no manifold) Flange Conn. (in.)		3		4
	Evaporator manifold connection Victaulic		4		6
	Amp draw, nameplate	Water-cooled	216	250	282	316
	(460/3/60 V)f	Water-cooled	216	250	282	316
	(460/3/60 V)f
	Dimensions (in.)	Height	77		81
	Dimensions (in.)	Width	124		137
		Depth	72		75
	Shipping weight (lbs)		5,298	8,844	9,376	9,580
	Max operating weight (lbs.)		5,584	9,428	10,102	10,364

cBased on 50ºF (10ºC) chilled water supply temperature and 85ºF (29ºC) tower water. d Based on 2.4 gpm per ton (9.1 lpm per 3.517 kW).

e Based on availability of 85ºF (29ºC) tower water at 25 psi (172.4 kPa/1.7 bars) minimum.

f Multiply 460/3/60 amperage by 2.0 for 208-230/3/60 amperages; multiply by 1.2 for 380/3/60 amperages; multiply by 0.8 for 575/3/60 amperages

SCW Series Central Chilling Stations

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Contents SCW Series Central Chilling Stations SCW Series Central Chilling Stations Wear Safety Glasses and Work Gloves Safety ConsiderationsTable of Contents Indicator Lights and Control Switches MMI Startup ChecklistsViewing and Operating Chiller Pumps Charts and Figures Necessary Documents IntroductionModels Covered Standard FeaturesAvailable Options Standard Features on Remote CondensersModel Number Nomeclature Nominal water flow gpm Typical Two-Circuit 60-195 Ton Water Cooled Chiller460/3/60 Vf 460/3/60 Typical Two-Circuit 60-195 Ton Remote Air Cooled ChillerScwr Series Remote Condenser Models Event of Shipping Damages Unpacking and InspectionIf the Shipment is Not Correct If the Shipment is Not CompleteReturns Bill of lading Packing listUncrating Your New Chiller SCW Series Central Chilling Stations Making Electrical Connections Installation Location ConsiderationsCheck Compressor Rotation Before Starting Unit Making Process Water Connections Piping ConsiderationsTo Process Making Tank Piping Connections Galvanic Corrosion Considerations Water Connection Sizing ConsiderationsWater Treatment Considerations Making Water-Cooled Condenser ConnectionsCondenser Water Installing the Remote Air-Cooled CondenserCondenser Water Out Compressor Checking Motor DirectionWater Pump Condenser Fan Staging AlarmsLead-Lag Compressors Lead-Lag PumpsRefrigeration Circuit Chilled Water CircuitFreezestat Control Percent by Freezing Protection CurveHigh pressure cutout setting Flow SwitchHigh Pressure Cutout Low Pressure CutoutControl Probe Control NozzleChilled Water Manifold Optional Condenser Water ManifoldSCW Series Central Chilling Stations Water-Cooled SCW Series Startup Checklist Startup ChecklistsSCW Series Central Chilling Stations Water-Cooled SCW Series Startup Remote Air-Cooled SCW Series Startup Checklist SCW Series Central Chilling Stations Fan Set on Set off Number Psi KPa Bars Remote Air-Cooled SCW Series StartupShutdown Determining Flow RateGraphic Panel Devices Indicator Lights and Control Switches MMISCW Series Central Chilling Stations Operator Interface Using the StandardOperator Interface Introduction SCW Series Standard Control Panel Using the SCW Series Standard Operator InterfaceViewing and Operating Chiller Pumps Viewing and Setting System Temperatures Viewing Active Alarms and Handling Alarm ConditionsSetting System Temperatures Touchscreen Interface Using the AdvancedTouchscreen Interface Introduction MMI Using the SCW Series Advanced Touchscreen Interface Main Menu Screen Viewing Compressor StatusChiller 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 Lubrication Condenser MaintenanceRemote Air-Cooled Water-CooledPump Motor Seal Evaporator MaintenanceMakeup Valve Recommended Pump Tank Spare PartsPreventive Maintenance Service SCW Series Central Chilling Stations Troubleshooting Problem Possible Cause Solution Verify proper rotation if Service Notes Determining Flow Rate IndexSCW Series Central Chilling Stations Service Notes Service Notes Service Notes Parts Department Technical Assistance