Carrier 30HXC310 User Manual

30HXC 080-375
30GX 082-358
Screw Compressor
Water-Cooled Liquid Chillers and
Air-Cooled Liquid Chillers
30HXC Nominal cooling capacity 290-1325 kW
30GX Nominal cooling capacity 285-1205 kW
50 Hz
Installation, operation and maintenance instructions
GLOBAL CHILLER

Carrier 30HXC310 Specifications

General

Model	30HXC310
Category	Chiller
Cooling Capacity	310 tons
Refrigerant	R-134a
Sound Level	75 dBA
Voltage	460V

Summary

Safety Considerations

General Safety Warnings

General safety precautions, hazards, and warnings for operating chillers.

Refrigerant Handling Safety

Precautions for handling refrigerants, including venting, spills, and cylinder safety.

Electrical Data 30HXC

Electrical Data for High Condensing Temperatures

Electrical Data 30GX

9. APPLICATION DATA

9. APPLICATION DATA (Cont. 9.6-9.7)

Installation and Flow Control Procedures

10.1 - Check Equipment Received

Steps for inspecting the unit upon arrival for damage or missing parts.

10.2 - Moving and Siting the Unit

Guidance on moving and properly positioning the chiller unit.

11. LIFTING INSTRUCTIONS

11.1 - 30HXC 080-190 Lifting

11. LIFTING INSTRUCTIONS (Cont. 11.2-11.3)

11.2 - 30HXC 200-285 Lifting

11.3 - 30HXC 310-375 Lifting

11. LIFTING INSTRUCTIONS (Cont. 11.4-11.5)

11.4 - 30GX 082-162 Lifting

11.5 - 30GX 182 Lifting

11. LIFTING INSTRUCTIONS (Cont. 11.6-11.7)

11.6 - 30GX 207-267 Lifting

11.7 - 30GX 298-358 Lifting

11.8. PIPING CONNECTIONS AND HYDRAULIC CIRCUITS

12. ELECTRICAL CHARACTERISTICS

13. RECOMMENDED WIRE SECTIONS

13.1. FIELD CONTROL WIRING RECOMMENDATIONS

14. MAJOR SYSTEM COMPONENTS AND OPERATION DATA

14.1 - Geared Twin Screw Compressor

Details on the 06N geared twin screw compressors used in the units.

14. MAJOR SYSTEM COMPONENTS AND OPERATION DATA (Cont.)

14.5 - Electronic Expansion Device (EXD)

15. MAINTENANCE PROCEDURES

15.1 - Refrigerant Charging and Adding Charge

Procedures for adding refrigerant charge to the units.

15.2 - Indication of Low Charge (30HXC)

How to identify and address low refrigerant charge in 30HXC systems.

15.2.1 - Adding Charge to 30HXC Systems

Step-by-step guide for adding refrigerant to 30HXC units.

15.2.2 - Indication of Low Charge (30GX)

15. MAINTENANCE PROCEDURES (Cont.)

15.4 - Oil Charging and Recharging

15.5, 15.6, 15.7 - Oil Filter Maintenance

15.8 - Compressor Replacement

15.8.2. EXD TROUBLESHOOTING PROCEDURE

16. START-UP CHECKLIST FOR 30HXC/GX LIQUID CHILLERS

Preliminary Information

Fields for job details, contractors, and personnel involved.

Preliminary Equipment Check

Checklist for verifying unit installation and electrical connections.

Check Air Handling Systems

Checklist for confirming operation of air handling and water systems.

16. START-UP CHECKLIST FOR 30HXC/GX LIQUID CHILLERS (Cont.)

Condenser System Checks (30HXC)

Checks for the condenser water system in 30HXC units.

Unit Start-Up Procedures

Essential checks before initiating unit start-up.

Cooler Water Loop Checks

Verification of cooler water loop volume, inhibitors, and protection.

16. START-UP CHECKLIST FOR 30HXC/GX LIQUID CHILLERS (Cont. 2)

Cooler Pressure Drop Checks

Procedure to check cooler pressure drop and determine flow rates.

TEST Function Execution

Instructions for performing and verifying the TEST function.

Pre-Start Chiller Checks

Final checks before starting the chiller, including valve positions.

Temperatures and Pressures Recording

Recording of key operating temperatures and pressures after stabilization.