Sterling A0544325 installation manual Ethylene Glycol Curve

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;A corrosion inhibitor suitable for the materials in the system should be added to the glycol/water solution.

;If straight water use is desired, contact the Sterlco Engineering Department.

;The six gallon (23 liter) reservoir is not designed to withstand water pressure above 5 psi (34 kPa).

;The fill opening and vent line must be vented to the atmosphere for proper operation.

Figure 5

Ethylene Glycol Curve

30%

Ethylene glycol required

for evaporator freeze protection

Ethylene glycol percent by volume

20%

10%

0%

0º

30º

40º

50º

60º

70º

Chilled water

operating temperature °F

(set point)

Normal operating range is between 30°F and 70°F

SMC Series Chillers

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Image 15

Contents SMC-050 to SMC-150 Series SMC Series Chillers Safety Considerations Table of Contents Table of Contents Charts and Figures Models Covered General InformationIntroduction Necessary DocumentsUncrating Your New Chiller Available OptionsEvent of Shipping Damages If the Shipment is Not CompleteIf the Shipment is Incorrect Returns SMC050A Process Pump CurvesSMC100A Process Pump Curves SMC150A Process Pump Curves SMC-150 25,400 16,000 12A 345 SMC Series Chiller SpecificationsChiller Installation Electrical ConnectionsProcess Water Connections Water Reservoir SMC Condenser Air SupplyEthylene Glycol Curve Overhead Piping Overhead Process ConsiderationsSequence of Operation Chilled Water CircuitRefrigeration Circuit High Pressure Cutout Low Pressure CutoutRemote Start/Stop Interlock SMC Component Identification End of unit piping Piping Schematic 1 Pump with ReservoirPiping Schematic 1 Pump without Reservoir Piping Schematic No Pump, No Reservoir SMC Startup Checklist SMC Pre-Startup ChecklistSMC Water Circuit Pressure Drop Table Setting the Process Water Temperature Setting the Alarm ValueMicroprocessor Control SP AL SMC ControlIndicator Lights SwitchesOptional Graphic Panel Optional Graphic Panel SMC SeriesTypical SMC Subpanel Routine MaintenanceCondenser Maintenance LubricationTypical SMC Wiring Schematic SMC Wiring Schematic for Chillers with No Pump or Reservoir SMC Series Chillers Problem Possible cause Solution Troubleshooting GuideProblem Possible cause Solution Description SMC Spare Parts ListService Notes Service Notes Sterling/Sterlco Milwaukee, WI5200 West Clinton Avenue 414 Fax 414