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Sumitomo HC-4A2 Zephyr User Manual

Sumitomo HC-4A2 Zephyr
72 pages
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HC-4A and HC-4A2 Zephyr
®
Air-Cooled Helium Compressors
Technical Manual
Sumitomo (SHI) Cryogenics of America, Inc.
1833 Vultee Street
Allentown, PA 18103-4783
U.S.A.
Revision C: May 2014 267825A

Table of Contents

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Sumitomo HC-4A2 Zephyr Specifications

General IconGeneral
BrandSumitomo
ModelHC-4A2 Zephyr
CategoryAir Compressor
LanguageEnglish

Summary

Safety Information

General Safety Overview

General safety information for the HC-4A Zephyr® Series Air-Cooled Helium Compressor.

Special Notices Explanation

Explains the use and purpose of WARNINGS, CAUTIONS, and NOTES in the manual.

Safety Warnings and Cautions

Critical Safety Warnings

Critical safety warnings including electric shock, injury from gas, and coolant handling.

Safety Cautions Continued

Principles of Operation

Compressor Description and Components

Compressor Description Details

Technical Specifications

Operational Specifications

Compressor Specifications and Requirements

Installation Procedures

Initial Installation Steps

Unpacking, damage inspection, and removing the shipping bolt.

Compressor Placement and Utility Connection

Positioning the compressor and connecting utilities.

Installation Steps

Shipping Bolt Removal and Sensor Check

Detailed steps for removing the shipping bolt and checking the Tip-N-Tell sensor.

Compressor Positioning Guidelines

Guidelines for placing the compressor in its final operating location.

Installation and Power Connection

Mains Power Supply Connection

Procedure for connecting the mains power supply, including voltage tap adjustments.

Power Supply Terminal Configuration

Electrical Connections

Field Wiring the Compressor

Instructions for hard-wiring the compressor to the power source.

Installation Verification and Interconnections

Compressor Checkout Procedure

Procedure for checking the compressor's operation after installation.

Connecting System Components

Tools and procedures for connecting gas lines and other system components.

Gas Line Installation

Compressor Operation

Pre-Start Checks and Configuration

Essential checks and configuration for starting the compressor.

Starting and Stopping the Compressor

Step-by-step instructions for starting and stopping the compressor.

Maintenance Safety Precautions

Critical Injury and Burn Prevention

Warnings related to handling gas lines, pressurized components, and hot surfaces.

Routine Maintenance Procedures

Adsorber Replacement and Removal

Details on replacing the adsorber and steps for its removal.

Adsorber Maintenance

Helium System Servicing

Helium Charging and Venting Procedures

Procedures for charging or venting helium when pressure is outside specifications.

Helium Charging Process

Detailed steps for charging the system with helium gas.

Helium Pressure Adjustment

Helium Venting and Gas Cleanup

Leak Detection and Repair

Helium Leak Checking Methods

Method for checking the compressor for helium leaks.

Helium Leak Repair Techniques

Procedures for repairing helium leaks at various connection types.

Component Replacement Procedures

Fuse Replacement

Troubleshooting Compressor Issues

Automatic Shutdown Causes

Conditions that cause automatic shutdown of the compressor.

Troubleshooting Guide Overview

Guide to identify problems, possible causes, and corrective actions.

Troubleshooting Common Problems

Troubleshooting Performance Issues

Troubleshooting System Performance

Electrical System Troubleshooting

Motor Electrical Diagnostics

Fan and Circulator Troubleshooting

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