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Carrier 060, 30HW018-040 Ð Field Wiring Diagram 30HK, HL Units, FIELD POWER WIRING, 60 Hz UNITS

Models: 30HK040-060 060 30HL050 30HW018-040

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FIELD POWER WIRING, 60 Hz UNITS

FIELD POWER WIRING, 60 Hz UNITS

FIELD CONTROL WIRING, 50 Hz UNITS

	LEGEND
COM Ð Common
CR	Ð Compressor Relay
CWP	Ð Chilled Water Pump
DLS	Ð Demand Limit Switch
GCS	Ð Ground Current Sensing
NC	Ð Normally Closed
NO	Ð Normally Open
TB	Ð Terminal Block
TC	Ð Temperature Control

Field Wiring Factory Wiring Accessory

NOTE: Manual lead/lag selector switch must be disconnected when using automatic lead/ lag accessory.

FIELD ACCESSORY WIRING

Fig. 17 Ð Field Wiring Diagram; 30HK, HL Units

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Carrier 060 Ð Field Wiring Diagram 30HK, HL Units, FIELD POWER WIRING, 60 Hz UNITS, FIELD CONTROL WIRING, 50 Hz UNITS

Contents

30HK040-060 30HL050,060 30HW018-040 CONTENTSInstallation, Start-Up and Service Instructions Reciprocating Liquid Chillers 50/60 HzFig. 2 Ð 30HWA,B Unit SAFETY CONSIDERATIONSGENERAL Fig. 3 Ð 30HWC,S Unit Fig. 1 Ð 30HK,HL Unit 30HK ShownStep 2 Ð Rig and Place Unit INSTALLATIONStep 3 Ð Place the Unit FRONT VIEW Fig. 4 Ð 30HK040-060 Fluid CooledRIGHT SIDE VIEW 1. Standard unit shown with the sound en- closure accessory Fig. 5 Ð 30HL050,060 CondenserlessCLY Ð Cylinder COMP Ð Compressor CONN Ð Connection K.O. Ð Knockout REAR VIEW LEFT SIDE VIEW Fig. 6 Ð 30HWA018-040 CondenserlessRIGHT SIDE VIEW 3. Dimensions are in inches. Dimensions in are in millimeters Fig. 7 Ð 30HWB018-040 Fluid Cooled2. Denotes accessory or factory-installed option 1. Denotes center of gravityFRONT VIEW Fig. 8 Ð 30HWC,S018-040 Fluid CooledLEFT SIDE VIEW RIGHT SIDE VIEWWEIGHT DISTRIBUTION AT EACH MOUNTING HOLE, 60 HZ UNITS Fig. 9 Ð Weight Distribution and Mounting Hole Location 30HK,HL UnitsFig. 10 Ð Mounting Hole Weight Distribution 30HW Units WEIGHT DISTRIBUTION AT EACH MOUNTING HOLE, 50 HZ UNITSPage Page Table 2A Ð Physical Data 30HL, HWA Condenserless Units Ð English Table 2B Ð Physical Data 30HL, HWA Condenserless Units Ð SIFig. 11 Ð Factory-Installed Unit Wheels Fig. 12 Ð Compressor Mounting THUMB-SCREW BRAKEFig. 13 Ð Typical Piping with Fluid-Cooled 30HWB Unit Shown Page Fig. 15 Ð Installed Coupling Fastening Grooved Pipe Ends COOLER PRESSURE DROP Ð 30HW UNITS Table 3 Ð Minimum Cooler and Condenser Flow Rates Minimum Loop VolumeFig. 16 Ð Cooler and Condenser Water Pressure Drop COOLER PRESSURE DROP Ð 30HK, HL UNITS30HK UNITS Fig. 16 Ð Cooler and Condenser Water Pressure Drop contCONDENSER PRESSURE DROP Ð 30HWB UNITSPage Table 4A Ð Electrical Data Ð 30HK, HWB, HWC, HWS Fluid-Cooled Units Table 4B Ð Electrical Data Ð 30HL and HWA Condenserless Units 30HK, HL, HWA, HWBFIELD CONTROL WIRING, 50 Hz UNITS Fig. 17 Ð Field Wiring Diagram 30HK, HL UnitsFIELD POWER WIRING, 60 Hz UNITS FIELD ACCESSORY WIRINGInterrupt Field Wiring Factory Wiring Fig. 18 Ð Field Wiring Diagram 30HW UnitsR Ð Relay Fig. 19 Ð 30HK, HL Control Box Initial Check PRE-START-UPFig. 20 Ð 30HW Control Box Components Label Check Refrigerant Charge Table 6 Ð Deadband SettingTable 5 Ð Typical Deadband Requirements Operating Limitations START-UP AND OPERATIONCheck Refrigerant Feed Components Compressor and Unit Protective Devices Table 7 Ð Pressure Relief Valve SettingsCheck Unit Safeties Table 9 Ð Factory Settings, Low-Pressure Switch Fixed Table 8 Ð Factory Settings, High-Pressure Switch FixedFig. 21 Ð Temperature Controller UNIT OPERATION Capacity Control and Operating Sequence Ð Table 10 Ð Capacity Control Steps Ð 30HK, HL Standard Units SERVICE Fig. 22 Ð Thermistor Table 12A Ð Sensor Temperature F vs Resistance 11,111Table 12B Ð Sensor Temperature C vs Resistance Fig. 23 Ð Typical Tube Sheet SERVICING COOLER 30HK,HL ONLYTightening Cooler Head Bolts Table 13 Ð Plugs and TubesFig. 24 Ð Elliott Tube Plug TROUBLESHOOTINGFig. 25 Ð Typical Tube Sheet Table 14 Ð Troubleshooting Compressor cycles controling is considered abuse and is not covered by warranty Table 14 Ð Troubleshooting contmay be added to the water. Damage to chiller due to freez SERVICE TRAINING CALL FOR FREE CATALOGB. Preliminary Equipment Check YES or NO START-UP CHECKLIST FOR CHILLER SYSTEMS Remove and use for job leA. Preliminary Information EQUIPMENT Chiller MODEL #B. Preliminary Equipment Check YES or NO cont CL-2C. Unit Start-Up cont CL-3Copyright 1998 Carrier Corporation