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Vertiv Liebert CRV - User Manual

Vertiv Liebert CRV
194 pages
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Liebert® CRV
Row-basedCoolingSystem
600-mm and 300-mm Wide
Installer/User Guide

Table of Contents

Other manuals for Vertiv Liebert CRV

Questions and Answers

  • C
    Cody RiveraAug 17, 2025
    What to do if no water enters Vertiv Liebert CRV Accessories canister?
    • S
      Sonya JohnsonAug 17, 2025
      If no water is entering the Vertiv Accessories canister, the problem could be that there's no water available to the unit. Check the external water shut-off valves. Alternatively, the fill line strainer might be clogged, so clean or replace it.
  • M
    Mr. Mark HarrisOct 31, 2025
    What to do if there is excessive arcing in Vertiv Accessories canister?
    • M
      Matthew CamposOct 31, 2025
      If you're experiencing excessive arcing in the Vertiv Accessories canister, it could be due to several reasons. First, the drain valve might be clogged or defective; verify it operates freely when activated, clean it, and replace it if needed. Flush the canister a few times, and if arcing continues, the water supply might be the issue. If you're using commercially softened water, switch back to a raw water supply. Also, make sure the humidifier is connected to a cold water supply, not hot water. Insufficient drain rate can also cause this problem, so make sure that drain valve operates freely when activated. Clean valve and replace if defective. Flush canister several times and replace if arcing persists. Finally, excessive mineral content in the water could be the culprit; in this case, a...

Summary

1 IMPORTANT SAFETY INSTRUCTIONS

2 NOMENCLATURE AND COMPONENTS

2.3 Liebert CRV Description

Describes the Liebert CRV as a precision cooling unit for high-density computing racks.

3 PRE-INSTALLATION PREPARATION AND GUIDELINES

4 EQUIPMENT INSPECTION AND HANDLING

4.2 Handling the Unit while Packaged

Details procedures for transporting and lifting the unit while it is still packaged.

5 INSTALLING IN ENCLOSURE ROW

5.1 Adjusting Base Supports;Leveling Feet

Guides on adjusting the unit's leveling feet to ensure it is stable and level.

6 PIPING AND REFRIGERANT REQUIREMENTS

6.1 Refrigerant Piping and Charging

Covers guidelines and warnings for refrigerant piping and system charging procedures.

6.2 Piping Guidelines for Liebert MC Condensers

Provides specific guidelines for connecting piping to Liebert MC condensers.

6.3 Fluid Piping for Air-cooled, Water;Glycol-cooled and Chilled-water Piping Applications

Details fluid piping requirements for various system types including air, water, and glycol.

7 ELECTRICAL CONNECTIONS

7.3 Electrical Field-connection Descriptions

Describes electrical field connections, referencing relevant submittal documents.

9 LIEBERT ICOM HARDWARE INSTALLATION

10 START-UP

10.1 Checks to Perform after Start-up

Lists essential checks to perform on the system after it has been started up.

11 MONITORING AND MANAGING THE LIEBERT CRV WITH LIEBERT iCOM

11.4 Compressor Protection

Outlines various compressor protection features and their operation.

12 TROUBLESHOOTING

Table 12.1 Unit diagnostics

Lists common unit problems, their possible causes, and corrective actions.

13 MAINTENANCE

13.1 Safety Instructions

Provides essential safety instructions to be followed during all maintenance operations.

13.5 Maintenance Schedule

Provides a schedule for monthly, quarterly, biannual, and annual maintenance tasks.

Vertiv Liebert CRV Specifications

General IconGeneral
ConfigurationSelf-contained, rack-mountable
TypeRow-based cooling
CompatibilityStandard 19-inch racks
FunctionClose-coupled cooling for data centers
MaterialMetal enclosure
InstallationRack-mounted, close to heat source

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