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Sterling specifications GP Series Portable Chillers, Appendix, 39 of, G-PAC-40, G-PAC-50

Models: GP Series

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Page 39

G-PAC-40

G-PAC-40

PERFORMANCE (NOMINAL DESIGN CONDITIONS)

COOLING CAPACITY	10.11	TONS	ALTITUDE					SEA LEVEL

COOLANT SUPPLY TEMPERATURE	50	°F	COMPRESSOR POWER		9944			WATTS
AMBIENT AIR TEMPERATURE	95	°F	EER		12.21			BTU/WATT

COOLANT	WATER		CONDENSER AIR FLOW		8458			CFM

COOLANT FLOW	24	GPM	SOUND POWER LEVEL		87			dBA
UNIT PRESSURE DROP	7	PSID	SOUND PRESSURE LEVEL @ 1 METER					dBA

		OPERATING PARAMETERS

COOLANT SUPPLY TEMPERATURE	20-80	°F	COOLANT FLOW					GPM
AMBIENT AIR TEMPERATURE	60-115	°F	MINIMUM LOAD		2.022			TONS

		SPECIFICATIONS

COMPRESSOR	SCROLL		EVAPORATOR FILTER		20 MESH
COOLANT PUMP	STAINLESS STEEL		COOLANT CIRCUIT		NON-FERROUS
COOLANT PUMP	CENTRIFUGAL		COOLANT CIRCUIT		NON-FERROUS
	CENTRIFUGAL
EVAPORATOR	BRAZED PLATE		CAPACITY CONTROL		HOT GAS BYPASS

CONDENSER	ALUMINUM		REFRIGERANT		6 LBS R-410A
CONDENSER FANS	32 INCH		FRAME		GALVANIZED STEEL
CONDENSER FANS	AXIAL		FRAME		GALVANIZED STEEL
	AXIAL
CONDENSER FAN MOTOR	1 HP OAO, 1140 RPM		PANELS		POWDER COATED STEEL

RESERVOIR	40 GALLON POLYETHYLENE		WEIGHT (OPERATING)		1090			LBS
POWER	460V/3PH/60HZ		WEIGHT (SHIPPING)		760			LBS
CONTROL CIRCUIT	120	VDC	ELECTRICAL ENCLOSURE		NEMA 12

COMPRESSOR FULL LOAD AMPS	20	AMPS	CONTROL		MICROPROCESSOR

G-PAC-50

PERFORMANCE (NOMINAL DESIGN CONDITIONS)

COOLING CAPACITY	15.08	TONS	ALTITUDE					SEA LEVEL

COOLANT SUPPLY TEMPERATURE	50	°F	COMPRESSOR POWER		14871			WATTS
AMBIENT AIR TEMPERATURE	95	°F	EER		12.16			BTU/WATT

COOLANT	WATER		CONDENSER AIR FLOW		12687			CFM

COOLANT FLOW	36	GPM	SOUND POWER LEVEL		93			dBA
UNIT PRESSURE DROP	7	PSID	SOUND PRESSURE LEVEL @ 1 METER					dBA

		OPERATING PARAMETERS

COOLANT SUPPLY TEMPERATURE	20-80	°F	COOLANT FLOW					GPM
AMBIENT AIR TEMPERATURE	60-115	°F	MINIMUM LOAD		3.016			TONS

		SPECIFICATIONS

COMPRESSOR	SCROLL		EVAPORATOR FILTER		20 MESH
COOLANT PUMP	STAINLESS STEEL		COOLANT CIRCUIT		NON-FERROUS
COOLANT PUMP	CENTRIFUGAL		COOLANT CIRCUIT		NON-FERROUS
	CENTRIFUGAL
EVAPORATOR	BRAZED PLATE		CAPACITY CONTROL		HOT GAS BYPASS

CONDENSER	ALUMINUM		REFRIGERANT		8 LBS R-410A
CONDENSER FANS	32 INCH		FRAME		GALVANIZED STEEL
CONDENSER FANS	AXIAL		FRAME		GALVANIZED STEEL
	AXIAL
CONDENSER FAN MOTOR	2 HP OAO, 1140 RPM		PANELS		POWDER COATED STEEL

RESERVOIR	40 GALLON POLYETHYLENE		WEIGHT (OPERATING)		1290			LBS
POWER	460V/3PH/60HZ		WEIGHT (SHIPPING)		950			LBS
CONTROL CIRCUIT	120	VDC	ELECTRICAL ENCLOSURE		NEMA 12

COMPRESSOR FULL LOAD AMPS	30	AMPS	CONTROL		MICROPROCESSOR

GP Series Portable Chillers

Chapter 7: Appendix

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Sterling GP Series Portable Chillers, Appendix, 39 of, G-PAC-40, G-PAC-50, Performance Nominal Design Conditions

Contents

ECN No Copyright 2009 All rights reserved GP Series Portable ChillersPart Number Bulletin Number SC2-620 Effective 5/1/2009 We are committed to a continuing program of product improvementIf the Shipment is Not Complete Shipping InformationUnpacking and Inspection In the Event of Shipping DamageCHAPTER 2 FUNCTIONAL DESCRIPTION Table of ContentsCHAPTER 1 SAFETY CHAPTER 3 INSTALLATIONCHAPTER 5 MAINTENANCE CHAPTER 6 TROUBLESHOOTINGCHAPTER 7 APPENDIX Chapter 1 Safety 1-1 How to Use This ManualSafety Symbols Used in this Manual SYSTEM. This must be performed by a qualified service technician only 1-2 Warnings and Precautions9 Wear SAFETY GLASSES and WORK GLOVES 9 Use care when LOADING, UNLOADING, RIGGING, or MOVING this equipmentChilled Water Circuit Chapter 2 Functional Description2-1 Models Covered in This Manual 2-2 General DescriptionElectrical Features 2-3 Standard FeaturesMechanical Features Other Mechanical FeaturesOther Features 2-4 Safety Devices and InterlocksRefrigeration Features Controller FeaturesHigh Pressure Cutout 2-5 Optional FeaturesLow Pressure Cutout no switch but done through the transducer Flow SwitchMounting Features Full Load Amps Figure 1 Optional Pump AmperagesVoltage ConstructionChapter 3 Installation 3-1 Uncrating3-2 Electrical Connections 3-6 Water Treatment Considerations 3-3 Process Water Connections3-4 Bypass Valve Considerations 3-5 Galvanic Corrosion Considerations3-7 Condenser Considerations Water-Cooled Chiller CondensersAir-Cooled Chiller Condensers Condenser Fan Three-Phase Compressors3-8 Checking Motor Direction Water Pumps3-9 Water Reservoir Part NumberDescription Pe rce nt Glyc ol Cu rves for Free ze P rotec tion Figure 2 Ethylene Glycol and Propylene Glycol CurvesFrom Figure 28, 25F equates to 10% by volume of glycol required Example 45F set point minus 20F = 25F3-12 Finishing Setup Setting Up Passwords 3-10 Automatic Water Make-Up Option3-11 Initial Start-Up Chapter 3 Installation To set password protections1. Press the button to access the menu screen or the following screen for the Supervisor Password21 of 6. Press to accept the Password and move to the next lineChapter 3 Installation GP Series Portable ChillersFigure 3 - Controller Display 4-1 Panel Buttons, Indicator Lights, and SwitchesChapter 4 Operation Microprocessor Controller4-2 Initial Start-up Figure 4 - Main Status ScreenFigure 5 - Menu Screen Figure 6 - Operator Setpoints Screen Figure 7 - Main Status Screen 4-3 Status Screens26 of 4-4 Access LevelsGP Series Portable Chillers Chapter 4 OperationGP Series Portable Chillers Chapter 4 Operation27 of Operator Controller SetpointsFigure 8 - Menu Screen 4-6 Alarms 4-7 Optional CommunicationsFigure 9 - Operator Setpoints Screen GP Series Portable Chillers Chapter 4 Operation31 of 5-3 Maintaining the Condenser Chapter 5 Maintenance5-2 Filter Cleaning 5-1 Lubrication5-6 Preventative Maintenance Service 5-4 Maintaining the Evaporator5-5 Evaporator Process Piping Y-Strainer Chapter 6 Troubleshooting Chapter 6 Troubleshooting GP Series Portable Chillers35 of Credit Returns Warranty ReturnsChapter 7 Appendix 7-1 Returned Material PolicySales Department Service Department7-2 Technical Assistance Parts DepartmentG-PAC-30 7-3 SpecificationsAir-Cooled Portable Chillers G-PAC-20G-PAC-40 GP Series Portable ChillersChapter 7 Appendix 39 ofG-PWC-40 Water-Cooled Portable ChillersG-PWC-20 G-PWC-30G-PWC-50 GP Series Portable ChillersChapter 7 Appendix 41 ofCapacity Gal/min 7-4 Pump Curves, Flow, and Pressure Considerations60 Hertz Pump Curves Head ftCalculating Chiller Nominal Flow and Pressure to Process 7-5 Electrical Schematic