HP A0554832 manual Hp and 7.5 hp Air-Cooled Portable Chillers

Page 46

5 hp and 7.5 hp Air-Cooled Portable Chillers

Nominal operating parameters for air-cooled models are 50ºF (10ºC) leaving water temperature at 2.4 gpm per ton (9.1 lpm per 3.517 kW) with 95ºF (35ºC) ambient air. For 50 Hz applications, multiply capacity by 0.83. Nominal 60 Hz capacity flow rate must be maintained.

	Nominal cooling			Water	Com-	Nom.			Power in amps f, 460/3/60 g
HP	capacity c in tons			flow	pressor	pump	Discharge air e		1 pump		2 pumps
	no pump	1 pump	2 pump	gpm d	hp	hp	openings	cfm h	rated	running	rated	running
5	4.8	4.6	4.5	11.6	5.0	1.0	1 @ 27”	3,400	14.0	11.0	14.9	11.9
7.5	6.6	6.4	6.3	15.7	7.5	1.0	1 @ 27”	5,100	18.2	14.6	19.1	15.5

cBased on 50ºF (10ºC) chilled water supply temperature and 95ºF (35ºC) ambient air. Optional additional process pump hp reduces chiller capacity by 0.2 tons per hp (0.703 kW ref. cap. per 0.746 kW pump power).

dBased on 2.4 gpm per ton (9.1 lpm per 3.517 kW), nominal 1 pump.

eCustomer use of ductwork requires optional high-pressure fan for 5 hp to 15 hp (3.73 kW to 11.20 kW) models.

fAn optional oversized process pump adds to the total rated or running chiller amperage. To find the new total chiller amperage, subtract the standard process pump amperage from the optional pump amperage (see Figure 1

on page 16), and add it to the chiller rated or running amperage.

gMultiply 460/3/60 amperage by 2.0 for 208-230/3/60 amperages; multiply by 0.8 for 575/3/60 amperages. h To convert cfm to cmh, multiply by 1.699.

5 hp and 7.5 hp air-cooled chillers come standard with 4” (101 mm) swivel casters.

Com-	Process connections, in. NPT				Dimensions				Weights
pressor	1	2	no pump,	1 pump, no	in inches c			Dry d	Ship. d	Oper. d e
hp	pump	Pumps	no tank	tank,	height	width	depth	lbs.	lbs.		lbs.
				to/from
5.0	1.5/2.0	2.0	1.5”	1.5” / 2.0”	82.3”	34.0”	54.7”	872	1,047		1,205
7.5	1.5/2.0	2.0	1.5”	1.5” / 2.0”	82.3”	34.0”	54.7”	922	1,097		1,255

cTo convert to cm, multiply by 2.54. Add to height dimension based on mounting options.

dWeight is for standard chiller. Some optional features will increase weight. Multiply lbs. by 0.454 to calculate Kg. e Operating weight is with a full 20-gallon (76 liter) reservoir tank of water.

2-40 HP Portable Chillers

Chapter 7: Appendix

46 of 78

Image 46

Contents Hp Portable Chillers Shipping Information Table of Contents Operation HP Portable Chillers How to Use This Manual SafetySafety Symbols Used in this Manual Wear Safety Glasses and Work Gloves ResponsibilityFunctional Description Models Covered in This ManualChilled Water Circuit General DescriptionRefrigeration Circuit Mechanical Features Standard FeaturesOther Mechanical Features Controller Features Electrical FeaturesRefrigeration Features Other FeaturesCrankcase Heater Safety Devices and InterlocksHigh/Low Thermostat Control High Pressure CutoutPressure Switch Oil Pressure Safety SwitchFan Cycling Switch Flow SwitchOptional Features Mounting Features Optional Pump Amperages Voltage Construction Full Load Amps Uncrating InstallationElectrical Connections Galvanic Corrosion Considerations Process Water ConnectionsBypass Valve Considerations Water Treatment ConsiderationsWater-Cooled Chiller Condensers Condenser ConsiderationsAir-Cooled Chiller Condensers Remote Air-Cooled Chiller Condensers Page Equivalent Length in Feet for Valves and Fittings Chiller Condenser Charge Field Installed Piping Charge Refrigerant Charge DeterminationWater Pumps Three-Phase CompressorsChecking Motor Direction Condenser FanWater Reservoir Part Number DescriptionEthylene Glycol and Propylene Glycol Curves Automatic Water Make-Up Option Initial Start-Up Operation Panel Buttons, Indicator Lights, and SwitchesE5CK Controller Indicator Name Description Microprocessor ControllersIndicator Name Description Sterlco 2000 Controller Indicator Name Description2000 See on Indicator Name Description Graphic PanelIndicator Name Description Typical Graphic Panels With E5CK Controller With Sterlco 2000 ControllerStart-up Setting the Process Water TemperaturesAuto-Tuning Optional CommunicationsThermostat Buttons Indicator Name Description Programming the Electronic High/Low ThermostatSelect Fahrenheit or Celsius Stage 2 High Temperature ProtectionStage 1 Freeze Protection Filter Cleaning MaintenanceLubrication Evaporator Process Piping Y-Strainer Maintaining the CondenserMaintaining the Evaporator Air- and Remote Air-Cooled ChillersPreventative Maintenance Service Troubleshooting HP Portable Chillers TroubleshootingHP Portable Chillers Troubleshooting Warranty AppendixParts Department Service DepartmentTechnical Assistance Sales DepartmentDrawings and Specifications Hp and 3 1/2 hp Air-Cooled Portable ChillersHp and 7.5 hp Air-Cooled Portable Chillers Hp and 15 hp Air-Cooled Portable Chillers 20 hp, 25 hp, and 30 hp Air-Cooled Portable Chillers Nominal Condenser water Nominal cooling Water Com Hp and 3.5 hp Water-Cooled Portable ChillersIn. NPT Height Width Depth Lbs Hp and 7.5 hp Water-Cooled Portable Chillers Hp and 15 hp Water-Cooled Portable Chillers 20 hp, 25 hp, and 30 hp Water-Cooled Portable Chillers Hp and 40 hp Water-Cooled Portable Chillers 12.8 17.3 Nominal cooling Com Refrigeration Power in amps eHp and 7.5 hp Remote Air-Cooled Portable Chillers 748Pres Nom Connections Hp and 15 hp Remote Air-Cooled Portable ChillersNominal cooling Com Refrigeration 15.0 40.9 34.0 74.7Hp through 40 hp Remote Air-Cooled Portable Chillers To/from No tank Tank, to/from Height Width Depth LbsRemote Condenser Assembly Models ‘A’in ‘B’in ‘C’in ‘D’in ODSinPump Curves, Flow, and Pressure Considerations Hertz Pump CurvesDWG. No. S0554823 Water Pressure Drop Tables Calculating Chiller Nominal Flow and Pressure to ProcessRecirc. power Flow Rate ∆ pressure Gpm Lpm Psi KPa Recirculation Pump SpecificationsFlow and Pressure Considerations Configuration a Remote Air-Cooled Chiller ConfigurationsConfiguration B Configuration C Typical Ductwork for Air-Cooled Chillers Piping Diagrams Central and Gravity Return Piping with Standpipe DiagramTypical Piping Schematic, 2 and 3 1/2 hp Models HP Portable Chillers Appendix HP Portable Chillers Appendix Typical Piping Schematic, 5 hp through 40 hp, No-Pump Models HP Portable Chillers Appendix Typical Electrical Subpanel Electrical SchematicsTime-delay Relays Disconnect Switch Optional Speed FusesTypical Electrical Schematic, 2 hp and 3 1/2 hp Models Typical Power Wiring Schematic, 5 hp through 40 hp Models A0554815HP Portable Chillers Appendix DWG A0554931 DWG A0562343 DWG A0562435 Typical Wiring Schematic, 35 hp and 40 hp Models with Pump DWG A0562434