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Carrier 30HXC User Manual

Carrier 30HXC
50 pages
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INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS
Screw Compressor Water-Cooled Liquid Chillers
30HXC 080-375
Original instructions
Nominal cooling capacity 30HXC: 286-1300 kW 50 Hz / 60Hz

Table of Contents

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Carrier 30HXC Specifications

General IconGeneral
BrandCarrier
Model30HXC
CategoryChiller
LanguageEnglish

Summary

Introduction to 30HXC Chillers

Installation Safety Precautions

Ensures safe installation procedures by detailing necessary precautions and personnel qualifications.

Maintenance Safety Guidelines

Outlines essential safety measures and qualifications for maintenance personnel and operations.

Refrigerant Information

Provides details on the fluorinated greenhouse gas used and its Global Warming Potential.

Repair Safety Procedures

Emphasizes personal protective equipment and safe practices during repair operations.

Preliminary Unit Checks

Equipment Receipt Inspection

Details inspection steps for received equipment, including damage, completeness, and nameplate verification.

Unit Moving and Siting

Provides guidelines for safely moving and positioning the unit, including clearance requirements.

Pre-Start-Up System Checks

Lists essential checks before system start-up, covering installation verification and safety compliance.

Physical and Electrical Data (50Hz)

30HXC Electrical Data

Presents electrical data including power supply, current, and starting current for standard 30HXC units.

30HXC High Condensing Temp Electricals (150/150A)

Lists electrical data for 30HXC units configured for high condensing temperatures.

Physical and Electrical Data (60Hz)

30HXC Electrical Data (Option 60)

Presents electrical data for 30HXC units with option 60, including power supply and current ratings.

30HXC Electrical Data (Option 60, High Condensing)

Details electrical data for 30HXC units with option 60 and high condensing temperatures.

30HXC Electrical Data (Option 61)

Presents electrical data for 30HXC units with option 61, including power supply and current ratings.

30HXC Electrical Data (Option 61, High Condensing)

Details electrical data for 30HXC units with option 61 and high condensing temperatures.

Very Low Temperature Option (Option 6)

Very Low Temp Operating Range

Specifies the operating ranges for 30HXC units with very low temperature option using ethylene and propylene glycol.

Application Data for 30HXC

30HXC Unit Operating Range

Defines the operating ranges for evaporator and condenser temperatures for 30HXC units.

Minimum Chilled Water Flow

Specifies the minimum chilled water flow rate required for proper operation, including recirculation.

Electrical Connections

30HXC Unit Electrical Connections

Details electrical connection points and diagrams for 30HXC unit control boxes.

Power Supply Requirements

Specifies power supply requirements, voltage ranges, and warnings about improper supply.

Voltage Phase Imbalance Check

Explains how to calculate and check voltage phase imbalance and permissible limits.

Recommended Wire Sections

Provides guidelines for selecting minimum and maximum wire sections based on current and length.

Field Control Wiring Safety

Highlights safety precautions and lists features for field control wiring connections.

Water Connections

System Components and Operation Data

Maintenance Procedures

General Maintenance Instructions

Provides guidelines for routine checks and preventive maintenance to ensure optimal performance and longevity.

Low Refrigerant Charge Indication

Guides on identifying low refrigerant charge through sightglass observation and EXV position.

Adding Refrigerant Charge Procedure

Provides a step-by-step procedure for adding refrigerant charge to the system.

Compressor Rotation Control

Explains the importance of correct compressor rotation and the protection schemes to prevent damage.

EXV Troubleshooting Procedure

Guides on diagnosing and correcting problems with the EXV motor operation.

30HXC Start-Up Checklist

Preliminary Equipment Checks

Checklist for verifying unit installation, power supply, wiring, and connections.

Perform TEST Function

Instructions for performing and verifying the TEST function for unit operation.

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