Carrier 30HW018-040, 30HL050, 30HK040-060 specifications Field Accessory Wiring, Cwp, Dls, Gcs

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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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Contents Installation, Start-Up Service Instructions ContentsSafety Considerations GeneralPlace the Unit InstallationRig and Place Unit 30HW UnitsUnit TOP ViewLeft Side View SAE30HL050,060 Condenserless TOP View Front View Right Side ViewRear View Left Side View 30HWB018-040 Fluid Cooled 30HWBLeft Side View Front View 30HWC,SLocation of Mounting Holes Weight Distribution AT Each Mounting HOLE, 60 HZ UnitsWeight Distribution AT Each Mounting HOLE, 50 HZ Units 30HWA,B 30HWC,SCompressor HWBHWC,S CoolerRefrigerant Ð kg Ð Physical Data 30HL, HWA Condenserless Units Ð SI Ð Physical Data 30HL, HWA Condenserless Units Ð EnglishCondenser Connections Factory-Installed Unit Wheels Typical Piping with Fluid-Cooled 30HWB Unit Shown Page Installed Coupling Fastening Grooved Pipe Ends Cooler DescriptionCooler Pressure Drop Ð 30HW Units Minimum Cooler and Condenser Flow Rates Minimum Loop VolumeUnit Size Cooler Condenser Minimum Cooler Loop VOLUME² Cooler Pressure Drop Ð 30HK, HL UnitsCondenser Pressure Drop Ð Page ICF Ð Electrical Data Ð 30HK, HWB, HWC, HWS Fluid-Cooled UnitsUnit Size LRA MTAÐ Electrical Data Ð 30HL and HWA Condenserless Units DLS Field Accessory WiringCWP GCSGND COMEquip TORSEC PRIHGS HPSElectric Shock Hazard PRE-START-UPInitial Check NeutCheck Refrigerant Charge Deadband SettingTypical Deadband Requirements Check Refrigerant Feed Components START-UP and OperationOperating Limitations To ADD OILCheck Unit Safeties Pressure Relief Valve SettingsCompressor and Unit Protective Devices Crankcase HeaterFactory Settings, High-Pressure Switch Fixed Factory Settings, Low-Pressure Switch FixedCapacity Control and Operating Sequence Ð Unit OperationFREEZE-UP Protection Transfer Switch Compressor Unit Control No Position Steps Capacity Control Steps Ð 30HK, HL Standard UnitsUnit Capacity Control Operating ServiceCapacity Control Steps Ð 30HW Standard Units Steps CylindersThermistor REPLACEMENT, 30HK, HL Units ThermistorÐ Sensor Temperature F vs Resistance Temperature Resistance OhmsÐ Sensor Temperature C vs Resistance Plugs and Tubes Servicing Cooler 30HK,HL onlyTightening Cooler Head Bolts Components for Part Number PluggingChilled Fluid PROOF-OF-FLOW Switches Open TroubleshootingHead Bolt Tightening Sequence Troubleshooting Symptoms Cause RemedyCompressor Service Training Call for Free CatalogRemove and use for job le Preliminary Information START-UP Checklist for Chiller SystemsPreliminary Equipment Check YES or no LOCATE, REPAIR, and Report ANY R-22 Leaks Voltage ImbalanceFluid Leaving Cooler Unit Start-UpFluid Entering Cooler Units Rated MIN. Pressure Drop =Book Catalog No Form 30H-10SI Pg CL-4 11-98

30HK040-060, 060, 30HL050, 30HW018-040 specifications

The Carrier 30HW018-040, 30HL050, 060, and 30HK040-060 series represents a range of advanced rooftop units designed to meet the diverse heating and cooling needs of commercial buildings. Renowned for their efficiency and performance, these units incorporate cutting-edge technologies to improve operational effectiveness and reduce energy consumption.

One of the standout features of the Carrier 30HW series is its high-efficiency scroll compressors, which are engineered to provide exceptional cooling capacity while minimizing energy usage. These compressors operate quietly and ensure smooth performance across varying loads. Additionally, the units utilize advanced microprocessor controls that enhance system efficiency by enabling precise temperature regulation and optimizing energy consumption based on real-time weather conditions.

Another important aspect of the 30HL series is its ability to provide reliable heating and cooling capabilities even in extreme weather conditions. With robust heat exchangers and a range of variable-speed fans, these units can efficiently circulate air while maintaining optimal indoor comfort levels. Variable-speed technology not only enhances comfort but also improves energy savings, as the system can adjust its output based on occupancy and external temperature fluctuations.

The 30HK series, specifically designed for high-performance applications, features enhanced filtration systems which improve indoor air quality. These systems are capable of accommodating various filter types, ensuring that airborne contaminants are effectively captured. This makes the 30HK a suitable choice for environments where air quality is a priority, such as schools, hospitals, and commercial offices.

Moreover, all units in the 30HW, 30HL, and 30HK series are designed with ease of maintenance in mind. Removable panels and easy access points allow for quick servicing and reduces downtime. The compact design also ensures that installation is straightforward, making them a preferred choice for many contractors.

In summary, Carrier's 30HW018-040, 30HL050, 060, and 30HK040-060 series are integral solutions in the HVAC market, combining energy efficiency, advanced controls, and superior air quality features. These rooftop units are tailored for commercial applications, providing reliable heating and cooling solutions while prioritizing comfort and sustainability. Through continuous innovation, Carrier remains at the forefront of HVAC technology, ensuring that their products meet the evolving demands of the industry.