Carrier 30HW018-040, 30HL050, 30HK040-060 specifications General, Safety Considerations

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GENERAL

These installation instructions cover the 30HK, HL, HWA, HWB, HWC, and HWS units. The HL and HWA are con- denserless units, and the HK, HWB, HWC, and HWS units are all ¯uid cooled. In addition, the 30HK and HWC units have a standard mechanically cleanable condenser and the 30HWS unit has a mechanically cleanable condenser spe- ci®cally designed for sea coast applications.

SAFETY CONSIDERATIONS

Installing, starting up, and servicing this equipment (Fig. 1-3) can be hazardous due to system pressures, elec- trical components, and equipment location (roofs, elevated structures, etc.).

Only trained, quali®ed installers and service technicians should install, start up, and service this equipment.

When working on the equipment, observe precautions in the literature and on tags, stickers, and labels attached to the equipment.

·Follow all safety codes.

·Wear safety glasses and work gloves.

·Use care in handling, rigging, and setting bulky

equipment.

Fig. 2 Ð 30HWA,B Unit

Be sure all power to equipment is shut off before per- forming maintenance or service. There may be more than one disconnect. Tag all disconnects to alert others not to turn on power until work is completed.

Fig. 3 Ð 30HWC,S Unit

Fig. 1 Ð 30HK,HL Unit (30HK Shown)

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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 Condenser Connections Ð Physical Data 30HL, HWA Condenserless Units Ð EnglishÐ Physical Data 30HL, HWA Condenserless Units Ð SI 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 NeutTypical Deadband Requirements Deadband SettingCheck Refrigerant Charge 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 FixedFREEZE-UP Protection Unit OperationCapacity Control and Operating Sequence Ð 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 PluggingHead Bolt Tightening Sequence TroubleshootingChilled Fluid PROOF-OF-FLOW Switches Open Troubleshooting Symptoms Cause RemedyCompressor Service Training Call for Free CatalogPreliminary Equipment Check YES or no START-UP Checklist for Chiller SystemsRemove and use for job le Preliminary Information 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.
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