Carrier 060, 30HW018-040, 30HL050 LOCATE, REPAIR, and Report ANY R-22 Leaks, Voltage Imbalance

Page 42

B. Preliminary Equipment Check (YES or NO) (cont)

HAVE POWER SIDE ELECTRICAL COMPONENT CONNECTIONS BEEN CHECKED FOR TIGHTNESS? ON 30HK,HL UNITS, IS THE PROPER CONTROL VOLTAGE SUPPLIED TO TB2-1 AND TB2-3?

ON 30HK,HL 50 HZ UNITS, IS THE BLACK WIRE GOING TO TRAN1 AND TRAN2 CONNECTED TO THE RED LEAD FROM THE TRANSFORMER?

CHECK AIR SYSTEMS (YES OR NO)

ARE ALL AIR HANDLERS OPERATING? (refer to air-handling equipment Installation and Start-Up Instructions)

ARE ALL CHILLED FLUID VALVES OPEN?

IS THE FLUID PIPING CONNECTED PROPERLY?

 

HAS ALL AIR BEEN VENTED FROM THE COOLER LOOP?

 

IS THE CHILLED WATER (FLUID) PUMP (CWP) OPERATING?

 

IS THE CWP ROTATION CORRECT?

 

 

CWP MOTOR AMPERAGE:

Rated

Actual

C.Unit Start-Up(insert check mark as each item is completed)

HAS THE CHILLER BEEN PROPERLY INTERLOCKED WITH THE AUXILIARY CONTACTS OF THE CONDENSER WATER PUMP STARTER?

ASSURE THAT UNIT IS SUPPLIED WITH CORRECT CONTROL VOLTAGE POWER.

ASSURE CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR A MINIMUM OF 24 HOURS PRIOR TO START-UP.

ASSURE COMPRESSOR OIL LEVEL IS CORRECT.

ASSURE LIQUID LINE SERVICE VALVE(S) IS BACKSEATED.

ASSURE COMPRESSOR DISCHARGE SERVICE VALVE(S) IS BACKSEATED. ASSURE COMPRESSOR SUCTION SERVICE VALVE(S) IS BACKSEATED. LOOSEN COMPRESSOR SHIPPING ISOLATOR LOCKNUTS.

OPEN GAGE PANEL SERVICE VALVES.

BE SURE TEMPERATURE CONTROLLER DEADBAND AND SAMPLE RATE SETTINGS ARE SET.

SET POINT SHOULD BE ADJUSTED TO THE DESIRED COOLER LEAVING FLUID TEMPERATURE. (refer to installation instructions)

LEAK CHECK THOROUGHLY: COMPRESSOR(S), CONDENSER FITTINGS, TXV(s), SOLENOID VALVE(S), FILTER DRIER(S), FUSIBLE PLUG(S), AND COOLER HEAD(S), WITH GENERAL ELECTRIC H-10-B ELECTRONIC LEAK DETECTOR.

LOCATE, REPAIR, AND REPORT ANY R-22 LEAKS.

CHECK VOLTAGE IMBALANCE:

AB

 

 

 

AC

 

 

BC

 

 

AB + AC + BC (divided by 3) = AVERAGE VOLTAGE =

 

 

 

 

 

 

V

MAXIMUM DEVIATION FROM AVERAGE VOLTAGE

=

 

 

 

 

 

 

 

 

 

 

(MAX. DEVIATION)

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE IMBALANCE =

 

x 100 =

 

 

 

 

 

 

% VOLTAGE IMBALANCE

AVERAGE VOLTAGE

 

 

 

 

 

 

 

 

 

 

IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START CHILLER!

CALL LOCAL POWER COMPANY FOR ASSISTANCE.

ASSURE THAT INCOMING POWER VOLTAGE TO CHILLER IS WITHIN RATED UNIT VOLTAGE RANGE.

SYSTEM FLUID VOLUME IN LOOP: TYPE SYSTEM:

 

 

 

AIR CONDITIONING Ð MINIMUM 3 GAL. (3.25 L) PER NOMINAL TON (kW) =

 

 

GAL. (L)

PROCESS COOLING Ð MINIMUM 6 GAL. (6.5 L) PER NOMINAL TON (kW) =

 

 

GAL. (L)

CL-2

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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 English Ð Physical Data 30HL, HWA Condenserless Units Ð SICondenser 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 NeutDeadband Setting Check Refrigerant ChargeTypical 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 FixedUnit Operation Capacity Control and Operating Sequence ÐFREEZE-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 PluggingTroubleshooting Chilled Fluid PROOF-OF-FLOW Switches OpenHead Bolt Tightening Sequence Troubleshooting Symptoms Cause RemedyCompressor Service Training Call for Free CatalogSTART-UP Checklist for Chiller Systems Remove and use for job le Preliminary InformationPreliminary 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.
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