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Ingersoll-Rand Nirvana 5.5 User Manual

Ingersoll-Rand Nirvana 5.5
31 pages
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1
Danger
Please utilise extreme caution when performing work within the compressor. Wear appropriate PPE
(Personal Protective Equipment), follow lock out-tag out procedures, and ensure all safety procedures
.
Nirvana 5.5 - 11kW (7.5 – 15 HP)
Variable Speed Drive
Technicians
Diagnostics and
troubleshooting
Guide
T2
T1
Revision 02, July 2008
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Ingersoll-Rand Nirvana 5.5 Specifications

General IconGeneral
BrandIngersoll-Rand
ModelNirvana 5.5
CategoryInverter
LanguageEnglish

Summary

Technicians Diagnostics and Troubleshooting Guide

Safety Guidelines

Essential safety precautions and hazard warnings for operating and servicing the equipment.

Run and Monitor Procedures

Steps for monitoring system performance and checking key operational parameters.

Winding Insulation Test

Procedure for performing a winding insulation test using a megohmmeter.

Troubleshooting Specific Faults

Secure Disable Fault Troubleshooting

Diagnostic flowchart and steps to resolve the 'Secure Disable' fault.

User 1 Fault Troubleshooting

Diagnosing and resolving the 'User 1' fault related to thermal issues.

OI-AC Over Current Fault

Troubleshooting steps for 'OI-AC Over Current' fault.

Motor I²t Fault

Diagnosis and resolution for 'Motor I²t' fault indicating overcurrent.

CDC Not Working Troubleshooting

Fault tree for diagnosing issues when the CDC is not functioning.

Other Fault Codes

Reference for miscellaneous fault codes and their descriptions.

Appendix 1 & 2: Fault Information

Secure Disable Fault Information

Detailed explanation and general information regarding the 'Secure Disable' fault.

User 1 Fault General Information

General information and causes for the 'User 1' fault.

Appendix 3-5: Components and Operations

CDC Device Operation

Explanation of the CDC device, its connection, and usage for diagnostics.

Intellikey Functionality

Guide to using the Intellikey for setting compressor configurations.

Common Problems and Solutions

A list of common compressor issues and their troubleshooting steps.

Appendix 6 & 7: Parameters and Indicator

Parameter Reference (CDC)

Detailed list of drive parameters accessible via the CDC.

Indicator Display and Operation

Explanation of the compressor indicator screens and their functions.

Configuration Menu

Guide to accessing and adjusting system settings via the indicator.

Alerts

Explanation of various alert messages displayed on the indicator.

Appendix 8: Electrical Schematics

Electrical Schematic and Wiring

Wiring diagram for the compressor system, detailing electrical connections.

Wire Legend and Component Glossary

Key to wire colors and a glossary of electrical components used in the schematic.

Appendix 9 & 10: Documentation

Site Log Form

Template for logging site visit details and troubleshooting steps.

Revision History

Record of document revisions and changes made.

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